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libv86.js
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function Virtio9p(a,b,c){this.fs=a;this.bus=c;this.configspace_tagname=[104,111,115,116,57,112];this.configspace_taglen=this.configspace_tagname.length;this.VERSION="9P2000.L";this.msize=this.BLOCKSIZE=8192;this.replybuffer=new Uint8Array(2*this.msize);this.replybuffersize=0;this.fids=[];this.virtio=new VirtIO(b,{name:"virtio-9p",pci_id:48,device_id:4169,subsystem_device_id:9,common:{initial_port:43008,queues:[{size_supported:32,notify_offset:0}],features:[VIRTIO_9P_F_MOUNT_TAG,VIRTIO_F_VERSION_1,
VIRTIO_F_RING_EVENT_IDX,VIRTIO_F_RING_INDIRECT_DESC],on_driver_ok:()=>{}},notification:{initial_port:43264,single_handler:!1,handlers:[d=>{if(0!==d)dbg_assert(!1,"Virtio9P Notified for non-existent queue: "+d+" (expected queue_id of 0)");else{for(;this.virtqueue.has_request();)d=this.virtqueue.pop_request(),this.ReceiveRequest(d);this.virtqueue.notify_me_after(0)}}]},isr_status:{initial_port:42752},device_specific:{initial_port:42496,struct:[{bytes:2,name:"mount tag length",read:()=>this.configspace_taglen,
write:d=>{}}].concat(v86util.range(VIRTIO_9P_MAX_TAGLEN).map(d=>({bytes:1,name:"mount tag name "+d,read:()=>this.configspace_tagname[d]||0,write:e=>{}})))}});this.virtqueue=this.virtio.queues[0]}
Virtio9p.prototype.get_state=function(){var a=[];a[0]=this.configspace_tagname;a[1]=this.configspace_taglen;a[2]=this.virtio;a[3]=this.VERSION;a[4]=this.BLOCKSIZE;a[5]=this.msize;a[6]=this.replybuffer;a[7]=this.replybuffersize;a[8]=this.fids.map(function(b){return[b.inodeid,b.type,b.uid,b.dbg_name]});a[9]=this.fs;return a};
Virtio9p.prototype.set_state=function(a){this.configspace_tagname=a[0];this.configspace_taglen=a[1];this.virtio.set_state(a[2]);this.virtqueue=this.virtio.queues[0];this.VERSION=a[3];this.BLOCKSIZE=a[4];this.msize=a[5];this.replybuffer=a[6];this.replybuffersize=a[7];this.fids=a[8].map(function(b){return{inodeid:b[0],type:b[1],uid:b[2],dbg_name:b[3]}});this.fs.set_state(a[9])};Virtio9p.prototype.Createfid=function(a,b,c,d){return{inodeid:a,type:b,uid:c,dbg_name:d}};
Virtio9p.prototype.update_dbg_name=function(a,b){for(const c of this.fids)c.inodeid===a&&(c.dbg_name=b)};Virtio9p.prototype.Reset=function(){this.fids=[]};Virtio9p.prototype.BuildReply=function(a,b,c){dbg_assert(0<=c,"9P: Negative payload size");marshall.Marshall(["w","b","h"],[c+7,a+1,b],this.replybuffer,0);c+7>=this.replybuffer.length&&message.Debug("Error in 9p: payloadsize exceeds maximum length");this.replybuffersize=c+7};
Virtio9p.prototype.SendError=function(a,b,c){b=marshall.Marshall(["w"],[c],this.replybuffer,7);this.BuildReply(6,a,b)};Virtio9p.prototype.SendReply=function(a){dbg_assert(0<=this.replybuffersize,"9P: Negative replybuffersize");a.set_next_blob(this.replybuffer.subarray(0,this.replybuffersize));this.virtqueue.push_reply(a);this.virtqueue.flush_replies()};
Virtio9p.prototype.ReceiveRequest=async function(a){var b=new Uint8Array(a.length_readable);a.get_next_blob(b);var c={offset:0},d=marshall.Unmarshall(["w","b","h"],b,c),e=d[0],f=d[1],g=d[2];switch(f){case 8:e=this.fs.GetTotalSize();b=this.fs.GetSpace();d=[16914839];d[1]=this.BLOCKSIZE;d[2]=Math.floor(b/d[1]);d[3]=d[2]-Math.floor(e/d[1]);d[4]=d[2]-Math.floor(e/d[1]);d[5]=this.fs.CountUsedInodes();d[6]=this.fs.CountFreeInodes();d[7]=0;d[8]=256;e=marshall.Marshall("wwddddddw".split(""),d,this.replybuffer,
7);this.BuildReply(f,g,e);this.SendReply(a);break;case 112:case 12:d=marshall.Unmarshall(["w","w"],b,c);var k=d[0];c=d[1];message.Debug("[open] fid="+k+", mode="+c);b=this.fids[k].inodeid;var l=this.fs.GetInode(b);message.Debug("file open "+this.fids[k].dbg_name);d=this.fs.OpenInode(b,c);this.fs.AddEvent(this.fids[k].inodeid,function(){message.Debug("file opened "+this.fids[k].dbg_name+" tag:"+g);var t=[];t[0]=l.qid;t[1]=this.msize-24;marshall.Marshall(["Q","w"],t,this.replybuffer,7);this.BuildReply(f,
g,17);this.SendReply(a)}.bind(this));break;case 70:d=marshall.Unmarshall(["w","w","s"],b,c);b=d[0];k=d[1];e=d[2];message.Debug("[link] dfid="+b+", name="+e);d=this.fs.Link(this.fids[b].inodeid,this.fids[k].inodeid,e);if(0>d){e="";d===-EPERM?e="Operation not permitted":(e="Unknown error: "+-d,dbg_assert(!1,"[link]: Unexpected error code: "+-d));this.SendError(g,e,-d);this.SendReply(a);break}this.BuildReply(f,g,0);this.SendReply(a);break;case 16:d=marshall.Unmarshall(["w","s","s","w"],b,c);k=d[0];e=
d[1];b=d[2];d=d[3];message.Debug("[symlink] fid="+k+", name="+e+", symgt="+b+", gid="+d);b=this.fs.CreateSymlink(e,this.fids[k].inodeid,b);l=this.fs.GetInode(b);l.uid=this.fids[k].uid;l.gid=d;marshall.Marshall(["Q"],[l.qid],this.replybuffer,7);this.BuildReply(f,g,13);this.SendReply(a);break;case 18:d=marshall.Unmarshall("wswwww".split(""),b,c);k=d[0];e=d[1];c=d[2];b=d[3];var m=d[4];d=d[5];message.Debug("[mknod] fid="+k+", name="+e+", major="+b+", minor="+m);b=this.fs.CreateNode(e,this.fids[k].inodeid,
b,m);l=this.fs.GetInode(b);l.mode=c;l.uid=this.fids[k].uid;l.gid=d;marshall.Marshall(["Q"],[l.qid],this.replybuffer,7);this.BuildReply(f,g,13);this.SendReply(a);break;case 22:d=marshall.Unmarshall(["w"],b,c);k=d[0];l=this.fs.GetInode(this.fids[k].inodeid);message.Debug("[readlink] fid="+k+" name="+this.fids[k].dbg_name+" target="+l.symlink);e=marshall.Marshall(["s"],[l.symlink],this.replybuffer,7);this.BuildReply(f,g,e);this.SendReply(a);break;case 72:d=marshall.Unmarshall(["w","s","w","w"],b,c);
k=d[0];e=d[1];c=d[2];d=d[3];message.Debug("[mkdir] fid="+k+", name="+e+", mode="+c+", gid="+d);b=this.fs.CreateDirectory(e,this.fids[k].inodeid);l=this.fs.GetInode(b);l.mode=c|S_IFDIR;l.uid=this.fids[k].uid;l.gid=d;marshall.Marshall(["Q"],[l.qid],this.replybuffer,7);this.BuildReply(f,g,13);this.SendReply(a);break;case 14:d=marshall.Unmarshall(["w","s","w","w","w"],b,c);k=d[0];e=d[1];b=d[2];c=d[3];d=d[4];this.bus.send("9p-create",[e,this.fids[k].inodeid]);message.Debug("[create] fid="+k+", name="+
e+", flags="+b+", mode="+c+", gid="+d);b=this.fs.CreateFile(e,this.fids[k].inodeid);this.fids[k].inodeid=b;this.fids[k].type=FID_INODE;this.fids[k].dbg_name=e;l=this.fs.GetInode(b);l.uid=this.fids[k].uid;l.gid=d;l.mode=c;marshall.Marshall(["Q","w"],[l.qid,this.msize-24],this.replybuffer,7);this.BuildReply(f,g,17);this.SendReply(a);break;case 52:d=marshall.Unmarshall("wbwddws".split(""),b,c);k=d[0];b=d[2];e=0===d[4]?Infinity:d[4];e=this.fs.DescribeLock(d[1],d[3],e,d[5],d[6]);message.Debug("[lock] fid="+
k+", type="+P9_LOCK_TYPES[e.type]+", start="+e.start+", length="+e.length+", proc_id="+e.proc_id);d=this.fs.Lock(this.fids[k].inodeid,e,b);marshall.Marshall(["b"],[d],this.replybuffer,7);this.BuildReply(f,g,1);this.SendReply(a);break;case 54:d=marshall.Unmarshall("wbddws".split(""),b,c);k=d[0];e=0===d[3]?Infinity:d[3];e=this.fs.DescribeLock(d[1],d[2],e,d[4],d[5]);message.Debug("[getlock] fid="+k+", type="+P9_LOCK_TYPES[e.type]+", start="+e.start+", length="+e.length+", proc_id="+e.proc_id);d=this.fs.GetLock(this.fids[k].inodeid,
e);d||(d=e,d.type=P9_LOCK_TYPE_UNLCK);e=marshall.Marshall(["b","d","d","w","s"],[d.type,d.start,Infinity===d.length?0:d.length,d.proc_id,d.client_id],this.replybuffer,7);this.BuildReply(f,g,e);this.SendReply(a);break;case 24:d=marshall.Unmarshall(["w","d"],b,c);k=d[0];l=this.fs.GetInode(this.fids[k].inodeid);message.Debug("[getattr]: fid="+k+" name="+this.fids[k].dbg_name+" request mask="+d[1]);if(!l||l.status===STATUS_UNLINKED){message.Debug("getattr: unlinked");this.SendError(g,"No such file or directory",
ENOENT);this.SendReply(a);break}d[0]|=4096;d[0]=d[1];d[1]=l.qid;d[2]=l.mode;d[3]=l.uid;d[4]=l.gid;d[5]=l.nlinks;d[6]=l.major<<8|l.minor;d[7]=l.size;d[8]=this.BLOCKSIZE;d[9]=Math.floor(l.size/512+1);d[10]=l.atime;d[11]=0;d[12]=l.mtime;d[13]=0;d[14]=l.ctime;d[15]=0;d[16]=0;d[17]=0;d[18]=0;d[19]=0;marshall.Marshall("dQwwwddddddddddddddd".split(""),d,this.replybuffer,7);this.BuildReply(f,g,153);this.SendReply(a);break;case 26:d=marshall.Unmarshall("wwwwwddddd".split(""),b,c);k=d[0];l=this.fs.GetInode(this.fids[k].inodeid);
message.Debug("[setattr]: fid="+k+" request mask="+d[1]+" name="+this.fids[k].dbg_name);d[1]&P9_SETATTR_MODE&&(l.mode=d[2]);d[1]&P9_SETATTR_UID&&(l.uid=d[3]);d[1]&P9_SETATTR_GID&&(l.gid=d[4]);d[1]&P9_SETATTR_ATIME&&(l.atime=Math.floor((new Date).getTime()/1E3));d[1]&P9_SETATTR_MTIME&&(l.mtime=Math.floor((new Date).getTime()/1E3));d[1]&P9_SETATTR_CTIME&&(l.ctime=Math.floor((new Date).getTime()/1E3));d[1]&P9_SETATTR_ATIME_SET&&(l.atime=d[6]);d[1]&P9_SETATTR_MTIME_SET&&(l.mtime=d[8]);d[1]&P9_SETATTR_SIZE&&
await this.fs.ChangeSize(this.fids[k].inodeid,d[5]);this.BuildReply(f,g,0);this.SendReply(a);break;case 50:d=marshall.Unmarshall(["w","d"],b,c);k=d[0];this.BuildReply(f,g,0);this.SendReply(a);break;case 40:case 116:d=marshall.Unmarshall(["w","d","w"],b,c);k=d[0];e=d[1];m=d[2];l=this.fs.GetInode(this.fids[k].inodeid);40==f&&message.Debug("[treaddir]: fid="+k+" offset="+e+" count="+m);116==f&&message.Debug("[read]: fid="+k+" ("+this.fids[k].dbg_name+") offset="+e+" count="+m+" fidtype="+this.fids[k].type);
if(!l||l.status===STATUS_UNLINKED){message.Debug("read/treaddir: unlinked");this.SendError(g,"No such file or directory",ENOENT);this.SendReply(a);break}if(this.fids[k].type==FID_XATTR)for(l.caps.length<e+m&&(m=l.caps.length-e),d=0;d<m;d++)this.replybuffer[11+d]=l.caps[e+d];else this.fs.OpenInode(this.fids[k].inodeid,void 0),d=this.fids[k].inodeid,m=Math.min(m,this.replybuffer.length-11),l.size<e+m?m=l.size-e:40==f&&(m=this.fs.RoundToDirentry(d,e+m)-e),e>l.size&&(m=0),this.bus.send("9p-read-start",
[this.fids[k].dbg_name]),d=await this.fs.Read(d,e,m),this.bus.send("9p-read-end",[this.fids[k].dbg_name,m]),d&&this.replybuffer.set(d,11);marshall.Marshall(["w"],[m],this.replybuffer,7);this.BuildReply(f,g,4+m);this.SendReply(a);break;case 118:d=marshall.Unmarshall(["w","d","w"],b,c);k=d[0];e=d[1];m=d[2];d=this.fids[k].dbg_name;message.Debug("[write]: fid="+k+" ("+d+") offset="+e+" count="+m+" fidtype="+this.fids[k].type);if(this.fids[k].type===FID_XATTR){this.SendError(g,"Setxattr not supported",
EOPNOTSUPP);this.SendReply(a);break}else await this.fs.Write(this.fids[k].inodeid,e,m,b.subarray(c.offset));this.bus.send("9p-write-end",[d,m]);marshall.Marshall(["w"],[m],this.replybuffer,7);this.BuildReply(f,g,4);this.SendReply(a);break;case 74:d=marshall.Unmarshall(["w","s","w","s"],b,c);c=d[0];m=d[1];e=d[2];b=d[3];message.Debug("[renameat]: oldname="+m+" newname="+b);d=await this.fs.Rename(this.fids[c].inodeid,m,this.fids[e].inodeid,b);if(0>d){e="";d===-ENOENT?e="No such file or directory":d===
-EPERM?e="Operation not permitted":d===-ENOTEMPTY?e="Directory not empty":(e="Unknown error: "+-d,dbg_assert(!1,"[renameat]: Unexpected error code: "+-d));this.SendError(g,e,-d);this.SendReply(a);break}TRACK_FILENAMES&&(d=this.fs.Search(this.fids[e].inodeid,b),this.update_dbg_name(d,b));this.BuildReply(f,g,0);this.SendReply(a);break;case 76:d=marshall.Unmarshall(["w","s","w"],b,c);c=d[0];e=d[1];b=d[2];message.Debug("[unlink]: dirfd="+c+" name="+e+" flags="+b);k=this.fs.Search(this.fids[c].inodeid,
e);if(-1==k){this.SendError(g,"No such file or directory",ENOENT);this.SendReply(a);break}d=this.fs.Unlink(this.fids[c].inodeid,e);if(0>d){e="";d===-ENOTEMPTY?e="Directory not empty":d===-EPERM?e="Operation not permitted":(e="Unknown error: "+-d,dbg_assert(!1,"[unlink]: Unexpected error code: "+-d));this.SendError(g,e,-d);this.SendReply(a);break}this.BuildReply(f,g,0);this.SendReply(a);break;case 100:d=marshall.Unmarshall(["w","s"],b,c);message.Debug("[version]: msize="+d[0]+" version="+d[1]);this.msize=
d[0];e=marshall.Marshall(["w","s"],[this.msize,this.VERSION],this.replybuffer,7);this.BuildReply(f,g,e);this.SendReply(a);break;case 104:d=marshall.Unmarshall(["w","w","s","s","w"],b,c);k=d[0];e=d[4];message.Debug("[attach]: fid="+k+" afid="+hex8(d[1])+" uname="+d[2]+" aname="+d[3]);this.fids[k]=this.Createfid(0,FID_INODE,e,"");l=this.fs.GetInode(this.fids[k].inodeid);marshall.Marshall(["Q"],[l.qid],this.replybuffer,7);this.BuildReply(f,g,13);this.SendReply(a);this.bus.send("9p-attach");break;case 108:d=
marshall.Unmarshall(["h"],b,c);message.Debug("[flush] "+g);this.BuildReply(f,g,0);this.SendReply(a);break;case 110:d=marshall.Unmarshall(["w","w","h"],b,c);k=d[0];m=d[1];var n=d[2];message.Debug("[walk]: fid="+d[0]+" nwfid="+d[1]+" nwname="+n);if(0==n){this.fids[m]=this.Createfid(this.fids[k].inodeid,FID_INODE,this.fids[k].uid,this.fids[k].dbg_name);marshall.Marshall(["h"],[0],this.replybuffer,7);this.BuildReply(f,g,2);this.SendReply(a);break}e=[];for(d=0;d<n;d++)e.push("s");c=marshall.Unmarshall(e,
b,c);b=this.fids[k].inodeid;e=9;var p=0;message.Debug("walk in dir "+this.fids[k].dbg_name+" to: "+c.toString());for(d=0;d<n;d++){b=this.fs.Search(b,c[d]);if(-1==b){message.Debug("Could not find: "+c[d]);break}e+=marshall.Marshall(["Q"],[this.fs.GetInode(b).qid],this.replybuffer,e);p++;this.fids[m]=this.Createfid(b,FID_INODE,this.fids[k].uid,c[d])}marshall.Marshall(["h"],[p],this.replybuffer,7);this.BuildReply(f,g,e-7);this.SendReply(a);break;case 120:d=marshall.Unmarshall(["w"],b,c);message.Debug("[clunk]: fid="+
d[0]);this.fids[d[0]]&&0<=this.fids[d[0]].inodeid&&(await this.fs.CloseInode(this.fids[d[0]].inodeid),this.fids[d[0]].inodeid=-1,this.fids[d[0]].type=FID_NONE);this.BuildReply(f,g,0);this.SendReply(a);break;case 32:d=marshall.Unmarshall(["w","s","d","w"],b,c);k=d[0];e=d[1];c=d[2];b=d[3];message.Debug("[txattrcreate]: fid="+k+" name="+e+" attr_size="+c+" flags="+b);this.fids[k].type=FID_XATTR;this.BuildReply(f,g,0);this.SendReply(a);break;case 30:d=marshall.Unmarshall(["w","w","s"],b,c);k=d[0];e=d[2];
message.Debug("[xattrwalk]: fid="+d[0]+" newfid="+d[1]+" name="+d[2]);this.SendError(g,"Setxattr not supported",EOPNOTSUPP);this.SendReply(a);break;default:message.Debug("Error in Virtio9p: Unknown id "+f+" received"),message.Abort()}};var DEBUG=!1,LOG_TO_FILE=!1,LOG_ALL_IO=!1,DUMP_GENERATED_WASM=!1,DUMP_UNCOMPILED_ASSEMBLY=!1,TRACK_FILENAMES=!1,LOG_LEVEL=LOG_ALL&~LOG_PS2&~LOG_PIT&~LOG_VIRTIO&~LOG_9P&~LOG_PIC&~LOG_DMA&~LOG_SERIAL&~LOG_NET&~LOG_FLOPPY&~LOG_DISK&~LOG_VGA&~LOG_SB16,DEBUG_SCREEN_LAYERS=DEBUG&&!1,ENABLE_HPET=DEBUG&&!1,TIME_PER_FRAME=1,TSC_RATE=1E6,APIC_TIMER_FREQ=TSC_RATE;function IO(a){this.ports=[];this.cpu=a;for(var b=0;65536>b;b++)this.ports[b]=this.create_empty_entry();var c=a.memory_size[0];for(b=0;b<<MMAP_BLOCK_BITS<c;b++)a.memory_map_read8[b]=a.memory_map_write8[b]=void 0,a.memory_map_read32[b]=a.memory_map_write32[b]=void 0;this.mmap_register(c,4294967296-c,function(d){dbg_log("Read from unmapped memory space, addr="+h(d>>>0,8),LOG_IO);return 255},function(d,e){dbg_log("Write to unmapped memory space, addr="+h(d>>>0,8)+" value="+h(e,2),LOG_IO)},function(d){dbg_log("Read from unmapped memory space, addr="+
h(d>>>0,8),LOG_IO);return-1},function(d,e){dbg_log("Write to unmapped memory space, addr="+h(d>>>0,8)+" value="+h(e>>>0,8),LOG_IO)})}IO.prototype.create_empty_entry=function(){return{read8:this.empty_port_read8,read16:this.empty_port_read16,read32:this.empty_port_read32,write8:this.empty_port_write,write16:this.empty_port_write,write32:this.empty_port_write,device:void 0}};IO.prototype.empty_port_read8=function(){return 255};IO.prototype.empty_port_read16=function(){return 65535};
IO.prototype.empty_port_read32=function(){return-1};IO.prototype.empty_port_write=function(a){};
IO.prototype.register_read=function(a,b,c,d,e){dbg_assert("number"===typeof a);dbg_assert("object"===typeof b);dbg_assert(!c||"function"===typeof c);dbg_assert(!d||"function"===typeof d);dbg_assert(!e||"function"===typeof e);dbg_assert(c||d||e);if(DEBUG){var f=function(g){dbg_assert(!1,"Overlapped read"+g+" "+h(a,4)+" ("+b.name+")");return-1>>>32-g|0};c||(c=f.bind(this,8));d||(d=f.bind(this,16));e||(e=f.bind(this,32))}c&&(this.ports[a].read8=c);d&&(this.ports[a].read16=d);e&&(this.ports[a].read32=
e);this.ports[a].device=b};
IO.prototype.register_write=function(a,b,c,d,e){dbg_assert("number"===typeof a);dbg_assert("object"===typeof b);dbg_assert(!c||"function"===typeof c);dbg_assert(!d||"function"===typeof d);dbg_assert(!e||"function"===typeof e);dbg_assert(c||d||e);if(DEBUG){var f=function(g){dbg_assert(!1,"Overlapped write"+g+" "+h(a)+" ("+b.name+")")};c||(c=f.bind(this,8));d||(d=f.bind(this,16));e||(e=f.bind(this,32))}c&&(this.ports[a].write8=c);d&&(this.ports[a].write16=d);e&&(this.ports[a].write32=e);this.ports[a].device=
b};IO.prototype.register_read_consecutive=function(a,b,c,d,e,f){function g(){return c.call(this)|d.call(this)<<8}function k(){return e.call(this)|f.call(this)<<8}function l(){return c.call(this)|d.call(this)<<8|e.call(this)<<16|f.call(this)<<24}dbg_assert(4===arguments.length||6===arguments.length);e&&f?(this.register_read(a,b,c,g,l),this.register_read(a+1,b,d),this.register_read(a+2,b,e,k),this.register_read(a+3,b,f)):(this.register_read(a,b,c,g),this.register_read(a+1,b,d))};
IO.prototype.register_write_consecutive=function(a,b,c,d,e,f){function g(m){c.call(this,m&255);d.call(this,m>>8&255)}function k(m){e.call(this,m&255);f.call(this,m>>8&255)}function l(m){c.call(this,m&255);d.call(this,m>>8&255);e.call(this,m>>16&255);f.call(this,m>>>24)}dbg_assert(4===arguments.length||6===arguments.length);e&&f?(this.register_write(a,b,c,g,l),this.register_write(a+1,b,d),this.register_write(a+2,b,e,k),this.register_write(a+3,b,f)):(this.register_write(a,b,c,g),this.register_write(a+
1,b,d))};IO.prototype.mmap_read32_shim=function(a){var b=this.cpu.memory_map_read8[a>>>MMAP_BLOCK_BITS];return b(a)|b(a+1)<<8|b(a+2)<<16|b(a+3)<<24};IO.prototype.mmap_write32_shim=function(a,b){var c=this.cpu.memory_map_write8[a>>>MMAP_BLOCK_BITS];c(a,b&255);c(a+1,b>>8&255);c(a+2,b>>16&255);c(a+3,b>>>24)};
IO.prototype.mmap_register=function(a,b,c,d,e,f){dbg_log("mmap_register addr="+h(a>>>0,8)+" size="+h(b,8),LOG_IO);dbg_assert(0===(a&MMAP_BLOCK_SIZE-1));dbg_assert(b&&0===(b&MMAP_BLOCK_SIZE-1));e||(e=this.mmap_read32_shim.bind(this));f||(f=this.mmap_write32_shim.bind(this));for(a>>>=MMAP_BLOCK_BITS;0<b;a++)this.cpu.memory_map_read8[a]=c,this.cpu.memory_map_write8[a]=d,this.cpu.memory_map_read32[a]=e,this.cpu.memory_map_write32[a]=f,b-=MMAP_BLOCK_SIZE};
IO.prototype.port_write8=function(a,b){var c=this.ports[a];(c.write8===this.empty_port_write||LOG_ALL_IO)&&dbg_log("write8 port #"+h(a,4)+" <- "+h(b,2)+this.get_port_description(a),LOG_IO);return c.write8.call(c.device,b)};IO.prototype.port_write16=function(a,b){var c=this.ports[a];(c.write16===this.empty_port_write||LOG_ALL_IO)&&dbg_log("write16 port #"+h(a,4)+" <- "+h(b,4)+this.get_port_description(a),LOG_IO);return c.write16.call(c.device,b)};
IO.prototype.port_write32=function(a,b){var c=this.ports[a];(c.write32===this.empty_port_write||LOG_ALL_IO)&&dbg_log("write32 port #"+h(a,4)+" <- "+h(b>>>0,8)+this.get_port_description(a),LOG_IO);return c.write32.call(c.device,b)};IO.prototype.port_read8=function(a){var b=this.ports[a];(b.read8===this.empty_port_read8||LOG_ALL_IO)&&dbg_log("read8 port #"+h(a,4)+this.get_port_description(a),LOG_IO);b=b.read8.call(b.device);dbg_assert(256>b,"8 bit port returned large value: "+h(a));return b};
IO.prototype.port_read16=function(a){var b=this.ports[a];(b.read16===this.empty_port_read16||LOG_ALL_IO)&&dbg_log("read16 port #"+h(a,4)+this.get_port_description(a),LOG_IO);b=b.read16.call(b.device);dbg_assert(65536>b&&0<=b,"16 bit port returned large value: "+h(a));return b};
IO.prototype.port_read32=function(a){var b=this.ports[a];(b.read32===this.empty_port_read32||LOG_ALL_IO)&&dbg_log("read32 port #"+h(a,4)+this.get_port_description(a),LOG_IO);a=b.read32.call(b.device);dbg_assert((a|0)===a);return a};
var debug_port_list={4:"PORT_DMA_ADDR_2",5:"PORT_DMA_CNT_2",10:"PORT_DMA1_MASK_REG",11:"PORT_DMA1_MODE_REG",12:"PORT_DMA1_CLEAR_FF_REG",13:"PORT_DMA1_MASTER_CLEAR",32:"PORT_PIC1_CMD",33:"PORT_PIC1_DATA",64:"PORT_PIT_COUNTER0",65:"PORT_PIT_COUNTER1",66:"PORT_PIT_COUNTER2",67:"PORT_PIT_MODE",96:"PORT_PS2_DATA",97:"PORT_PS2_CTRLB",100:"PORT_PS2_STATUS",112:"PORT_CMOS_INDEX",113:"PORT_CMOS_DATA",128:"PORT_DIAG",129:"PORT_DMA_PAGE_2",146:"PORT_A20",160:"PORT_PIC2_CMD",161:"PORT_PIC2_DATA",178:"PORT_SMI_CMD",
179:"PORT_SMI_STATUS",212:"PORT_DMA2_MASK_REG",214:"PORT_DMA2_MODE_REG",218:"PORT_DMA2_MASTER_CLEAR",240:"PORT_MATH_CLEAR",368:"PORT_ATA2_CMD_BASE",496:"PORT_ATA1_CMD_BASE",632:"PORT_LPT2",744:"PORT_SERIAL4",760:"PORT_SERIAL2",884:"PORT_ATA2_CTRL_BASE",888:"PORT_LPT1",1E3:"PORT_SERIAL3",1008:"PORT_FD_BASE",1010:"PORT_FD_DOR",1012:"PORT_FD_STATUS",1013:"PORT_FD_DATA",1014:"PORT_HD_DATA",1015:"PORT_FD_DIR",1016:"PORT_SERIAL1",3320:"PORT_PCI_CMD",3321:"PORT_PCI_REBOOT",3324:"PORT_PCI_DATA",1026:"PORT_BIOS_DEBUG",
1296:"PORT_QEMU_CFG_CTL",1297:"PORT_QEMU_CFG_DATA",45056:"PORT_ACPI_PM_BASE",45312:"PORT_SMB_BASE",35072:"PORT_BIOS_APM"};IO.prototype.get_port_description=function(a){return debug_port_list[a]?" ("+debug_port_list[a]+")":""};function v86(a,b){this.stopping=this.running=!1;this.tick_counter=0;this.worker=null;this.cpu=new CPU(a,b,()=>{this.idle&&this.next_tick(0)});this.bus=a;a.register("cpu-init",this.init,this);a.register("cpu-run",this.run,this);a.register("cpu-stop",this.stop,this);a.register("cpu-restart",this.restart,this);this.register_yield()}v86.prototype.run=function(){this.stopping=!1;this.running||(this.running=!0,this.bus.send("emulator-started"));this.next_tick(0)};
v86.prototype.do_tick=function(){if(this.stopping||!this.running)this.stopping=this.running=!1,this.bus.send("emulator-stopped");else{this.idle=!1;var a=this.cpu.main_run();this.next_tick(a)}};v86.prototype.next_tick=function(a){const b=++this.tick_counter;this.idle=!0;this.yield(a,b)};v86.prototype.yield_callback=function(a){a===this.tick_counter&&this.do_tick()};v86.prototype.stop=function(){this.running&&(this.stopping=!0)};v86.prototype.destroy=function(){this.unregister_yield()};
v86.prototype.restart=function(){this.cpu.reset_cpu();this.cpu.load_bios()};v86.prototype.init=function(a){this.cpu.init(a,this.bus);this.bus.send("emulator-ready")};
if("undefined"!==typeof process)v86.prototype.yield=function(a,b){1>a?global.setImmediate(c=>this.yield_callback(c),b):setTimeout(c=>this.yield_callback(c),a,b)},v86.prototype.register_yield=function(){},v86.prototype.unregister_yield=function(){};else if("undefined"!==typeof Worker){function a(){globalThis.onmessage=function(b){const c=b.data.t;1>c?postMessage(b.data.tick):setTimeout(()=>postMessage(b.data.tick),c)}}v86.prototype.register_yield=function(){const b=URL.createObjectURL(new Blob(["("+
a.toString()+")()"],{type:"text/javascript"}));this.worker=new Worker(b);this.worker.onmessage=c=>this.yield_callback(c.data);URL.revokeObjectURL(b)};v86.prototype.yield=function(b,c){this.worker.postMessage({t:b,tick:c})};v86.prototype.unregister_yield=function(){this.worker.terminate();this.worker=null}}else v86.prototype.yield=function(a){setTimeout(()=>{this.do_tick()},a)},v86.prototype.register_yield=function(){},v86.prototype.unregister_yield=function(){};v86.prototype.save_state=function(){return this.cpu.save_state()};
v86.prototype.restore_state=function(a){return this.cpu.restore_state(a)};if("object"===typeof performance&&performance.now)v86.microtick=performance.now.bind(performance);else if("function"===typeof require){const {performance:a}=require("perf_hooks");v86.microtick=a.now.bind(a)}else v86.microtick="object"===typeof process&&process.hrtime?function(){var a=process.hrtime();return 1E3*a[0]+a[1]/1E6}:Date.now;var goog=goog||{};goog.exportSymbol=function(){};goog.exportProperty=function(){};var v86util=v86util||{};v86util.pads=function(a,b){return(a||0===a?a+"":"").padEnd(b," ")};v86util.pad0=function(a,b){return(a||0===a?a+"":"").padStart(b,"0")};v86util.zeros=function(a){return Array(a).fill(0)};v86util.range=function(a){return Array.from(Array(a).keys())};
v86util.view=function(a,b,c,d){return new Proxy({},{get:function(e,f,g){e=new a(b.buffer,c,d);g=e[f];if("function"===typeof g)return g.bind(e);dbg_assert(/^\d+$/.test(f)||"buffer"===f||"length"===f||"BYTES_PER_ELEMENT"===f||"byteOffset"===f);return g},set:function(e,f,g,k){dbg_assert(/^\d+$/.test(f));(new a(b.buffer,c,d))[f]=g;return!0}})};function h(a,b){a=a?a.toString(16):"";return"0x"+v86util.pad0(a.toUpperCase(),b||1)}
function hex_dump(a){function b(k,l){return v86util.pad0(k.toString(16).toUpperCase(),l)}const c=[];let d=0;for(;d+15<a.length;d+=16){var e=b(d,5)+" ";for(var f=0;16>f;f++)e+=b(a[d+f],2)+" ";e+=" ";for(f=0;16>f;f++){var g=a[d+f];e+=33<=g&&34!==g&&92!==g&&126>=g?String.fromCharCode(g):"."}c.push(e)}for(e=b(d,5)+" ";d<a.length;d++)e+=b(a[d],2)+" ";f=d&15;e+=" ".repeat(16-f);e+=" ";for(g=0;g<f;g++){const k=a[d+g];e+=33<=k&&34!==k&&92!==k&&126>=k?String.fromCharCode(k):"."}c.push(e);return"\n"+
c.join("\n")+"\n"}if("undefined"!==typeof crypto&&crypto.getRandomValues){let a=new Int32Array(1);v86util.get_rand_int=function(){crypto.getRandomValues(a);return a[0]}}else if("undefined"!==typeof require){const a=require("crypto");v86util.get_rand_int=function(){return a.randomBytes(4).readInt32LE(0)}}else dbg_assert(!1,"Unsupported platform: No cryptographic random values");
function SyncBuffer(a){dbg_assert(a instanceof ArrayBuffer);this.buffer=a;this.byteLength=a.byteLength;this.onprogress=this.onload=void 0}SyncBuffer.prototype.load=function(){this.onload&&this.onload({buffer:this.buffer})};SyncBuffer.prototype.get=function(a,b,c){dbg_assert(a+b<=this.byteLength);c(new Uint8Array(this.buffer,a,b))};SyncBuffer.prototype.set=function(a,b,c){dbg_assert(a+b.byteLength<=this.byteLength);(new Uint8Array(this.buffer,a,b.byteLength)).set(b);c()};
SyncBuffer.prototype.get_buffer=function(a){a(this.buffer)};SyncBuffer.prototype.get_state=function(){const a=[];a[0]=this.byteLength;a[1]=new Uint8Array(this.buffer);return a};SyncBuffer.prototype.set_state=function(a){this.byteLength=a[0];this.buffer=a[1].slice().buffer};
(function(){if("function"===typeof Math.clz32)v86util.int_log2_byte=function(d){dbg_assert(0<d);dbg_assert(256>d);return 31-Math.clz32(d)},v86util.int_log2=function(d){dbg_assert(0<d);return 31-Math.clz32(d)};else{for(var a=new Int8Array(256),b=0,c=-2;256>b;b++)b&b-1||c++,a[b]=c;v86util.int_log2_byte=function(d){dbg_assert(0<d);dbg_assert(256>d);return a[d]};v86util.int_log2=function(d){d>>>=0;dbg_assert(0<d);var e=d>>>16;if(e){var f=e>>>8;return f?24+a[f]:16+a[e]}return(f=d>>>8)?8+a[f]:a[d]}}})();
function ByteQueue(a){var b=new Uint8Array(a),c,d;dbg_assert(0===(a&a-1));this.length=0;this.push=function(e){this.length!==a&&this.length++;b[d]=e;d=d+1&a-1};this.shift=function(){if(this.length){var e=b[c];c=c+1&a-1;this.length--;return e}return-1};this.peek=function(){return this.length?b[c]:-1};this.clear=function(){this.length=d=c=0};this.clear()}function FloatQueue(a){this.size=a;this.data=new Float32Array(a);this.length=this.end=this.start=0;dbg_assert(0===(a&a-1))}
FloatQueue.prototype.push=function(a){this.length===this.size?this.start=this.start+1&this.size-1:this.length++;this.data[this.end]=a;this.end=this.end+1&this.size-1};FloatQueue.prototype.shift=function(){if(this.length){var a=this.data[this.start];this.start=this.start+1&this.size-1;this.length--;return a}};
FloatQueue.prototype.shift_block=function(a){var b=new Float32Array(a);a>this.length&&(a=this.length);var c=this.start+a,d=this.data.subarray(this.start,c);b.set(d);c>=this.size&&(c-=this.size,b.set(this.data.subarray(0,c),d.length));this.start=c;this.length-=a;return b};FloatQueue.prototype.peek=function(){if(this.length)return this.data[this.start]};FloatQueue.prototype.clear=function(){this.length=this.end=this.start=0};function CircularQueue(a){this.data=[];this.index=0;this.size=a}
CircularQueue.prototype.add=function(a){this.data[this.index]=a;this.index=(this.index+1)%this.size};CircularQueue.prototype.toArray=function(){return[].slice.call(this.data,this.index).concat([].slice.call(this.data,0,this.index))};CircularQueue.prototype.clear=function(){this.data=[];this.index=0};CircularQueue.prototype.set=function(a){this.data=a;this.index=0};function dump_file(a,b){a instanceof Array||(a=[a]);a=new Blob(a);download(a,b)}
function download(a,b){var c=document.createElement("a");c.download=b;c.href=window.URL.createObjectURL(a);c.dataset.downloadurl=["application/octet-stream",c.download,c.href].join(":");document.createEvent?(a=document.createEvent("MouseEvent"),a.initMouseEvent("click",!0,!0,window,0,0,0,0,0,!1,!1,!1,!1,0,null),c.dispatchEvent(a)):c.click();window.URL.revokeObjectURL(c.href)}
v86util.Bitmap=function(a){"number"===typeof a?this.view=new Uint8Array(a+7>>3):a instanceof ArrayBuffer?this.view=new Uint8Array(a):console.assert(!1)};v86util.Bitmap.prototype.set=function(a,b){const c=a>>3;a=1<<(a&7);this.view[c]=b?this.view[c]|a:this.view[c]&~a};v86util.Bitmap.prototype.get=function(a){return this.view[a>>3]>>(a&7)&1};v86util.Bitmap.prototype.get_buffer=function(){return this.view.buffer};var CDROM_SECTOR_SIZE=2048,HD_SECTOR_SIZE=512;
function IDEDevice(a,b,c,d,e,f){this.master=new IDEInterface(this,a,b,d,e,0,f);this.slave=new IDEInterface(this,a,c,!1,e,1,f);this.current_interface=this.master;this.cpu=a;0===e?(this.ata_port=496,this.irq=14,this.pci_id=240):1===e?(this.ata_port=368,this.irq=15,this.pci_id=248):dbg_assert(!1,"IDE device with nr "+e+" ignored",LOG_DISK);this.ata_port_high=this.ata_port|516;this.master_port=46080;this.pci_space=[134,128,16,112,5,0,160,2,0,128,1,1,0,0,0,0,this.ata_port&255|1,this.ata_port>>8,0,0,this.ata_port_high&
255|1,this.ata_port_high>>8,0,0,0,0,0,0,0,0,0,0,this.master_port&255|1,this.master_port>>8,0,0,0,0,0,0,0,0,0,0,67,16,212,130,0,0,0,0,0,0,0,0,0,0,0,0,this.irq,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];this.pci_bars=[{size:8},{size:4},void 0,void 0,{size:16}];this.name="ide"+e;this.device_control=2;a.io.register_read(this.ata_port|7,this,function(){dbg_log("lower irq",
LOG_DISK);this.cpu.device_lower_irq(this.irq);return this.read_status()});a.io.register_read(this.ata_port_high|2,this,this.read_status);a.io.register_write(this.ata_port_high|2,this,this.write_control);a.io.register_read(this.ata_port|0,this,function(){return this.current_interface.read_data(1)},function(){return this.current_interface.read_data(2)},function(){return this.current_interface.read_data(4)});a.io.register_read(this.ata_port|1,this,function(){dbg_log("Read error: "+h(this.current_interface.error&
255)+" slave="+(this.current_interface===this.slave),LOG_DISK);return this.current_interface.error&255});a.io.register_read(this.ata_port|2,this,function(){dbg_log("Read bytecount: "+h(this.current_interface.bytecount&255),LOG_DISK);return this.current_interface.bytecount&255});a.io.register_read(this.ata_port|3,this,function(){dbg_log("Read sector: "+h(this.current_interface.sector&255),LOG_DISK);return this.current_interface.sector&255});a.io.register_read(this.ata_port|4,this,function(){dbg_log("Read 1F4: "+
h(this.current_interface.cylinder_low&255),LOG_DISK);return this.current_interface.cylinder_low&255});a.io.register_read(this.ata_port|5,this,function(){dbg_log("Read 1F5: "+h(this.current_interface.cylinder_high&255),LOG_DISK);return this.current_interface.cylinder_high&255});a.io.register_read(this.ata_port|6,this,function(){dbg_log("Read 1F6",LOG_DISK);return this.current_interface.drive_head&255});a.io.register_write(this.ata_port|0,this,function(g){this.current_interface.write_data_port8(g)},
function(g){this.current_interface.write_data_port16(g)},function(g){this.current_interface.write_data_port32(g)});a.io.register_write(this.ata_port|1,this,function(g){dbg_log("1F1/lba_count: "+h(g),LOG_DISK);this.master.lba_count=(this.master.lba_count<<8|g)&65535;this.slave.lba_count=(this.slave.lba_count<<8|g)&65535});a.io.register_write(this.ata_port|2,this,function(g){dbg_log("1F2/bytecount: "+h(g),LOG_DISK);this.master.bytecount=(this.master.bytecount<<8|g)&65535;this.slave.bytecount=(this.slave.bytecount<<
8|g)&65535});a.io.register_write(this.ata_port|3,this,function(g){dbg_log("1F3/sector: "+h(g),LOG_DISK);this.master.sector=(this.master.sector<<8|g)&65535;this.slave.sector=(this.slave.sector<<8|g)&65535});a.io.register_write(this.ata_port|4,this,function(g){dbg_log("1F4/sector low: "+h(g),LOG_DISK);this.master.cylinder_low=(this.master.cylinder_low<<8|g)&65535;this.slave.cylinder_low=(this.slave.cylinder_low<<8|g)&65535});a.io.register_write(this.ata_port|5,this,function(g){dbg_log("1F5/sector high: "+
h(g),LOG_DISK);this.master.cylinder_high=(this.master.cylinder_high<<8|g)&65535;this.slave.cylinder_high=(this.slave.cylinder_high<<8|g)&65535});a.io.register_write(this.ata_port|6,this,function(g){var k=g&16;dbg_log("1F6/drive: "+h(g,2),LOG_DISK);k?(dbg_log("Slave",LOG_DISK),this.current_interface=this.slave):this.current_interface=this.master;this.master.drive_head=g;this.slave.drive_head=g;this.master.is_lba=this.slave.is_lba=g>>6&1;this.master.head=this.slave.head=g&15});this.dma_command=this.dma_status=
this.prdt_addr=0;a.io.register_write(this.ata_port|7,this,function(g){dbg_log("lower irq",LOG_DISK);this.cpu.device_lower_irq(this.irq);this.current_interface.ata_command(g)});a.io.register_read(this.master_port|4,this,void 0,void 0,this.dma_read_addr);a.io.register_write(this.master_port|4,this,void 0,void 0,this.dma_set_addr);a.io.register_read(this.master_port,this,this.dma_read_command8,void 0,this.dma_read_command);a.io.register_write(this.master_port,this,this.dma_write_command8,void 0,this.dma_write_command);
a.io.register_read(this.master_port|2,this,this.dma_read_status);a.io.register_write(this.master_port|2,this,this.dma_write_status);a.io.register_read(this.master_port|8,this,function(){dbg_log("DMA read 0x8",LOG_DISK);return 0});a.io.register_read(this.master_port|10,this,function(){dbg_log("DMA read 0xA",LOG_DISK);return 0});a.devices.pci.register_device(this);DEBUG&&Object.seal(this)}
IDEDevice.prototype.read_status=function(){if(this.current_interface.buffer){var a=this.current_interface.status;dbg_log("ATA read status: "+h(a,2),LOG_DISK);return a}return 0};IDEDevice.prototype.write_control=function(a){dbg_log("set device control: "+h(a,2)+" interrupts "+(a&2?"disabled":"enabled"),LOG_DISK);a&4&&(dbg_log("Reset via control port",LOG_DISK),this.cpu.device_lower_irq(this.irq),this.master.device_reset(),this.slave.device_reset());this.device_control=a};
IDEDevice.prototype.dma_read_addr=function(){dbg_log("dma get address: "+h(this.prdt_addr,8),LOG_DISK);return this.prdt_addr};IDEDevice.prototype.dma_set_addr=function(a){dbg_log("dma set address: "+h(a,8),LOG_DISK);this.prdt_addr=a};IDEDevice.prototype.dma_read_status=function(){dbg_log("DMA read status: "+h(this.dma_status),LOG_DISK);return this.dma_status};IDEDevice.prototype.dma_write_status=function(a){dbg_log("DMA set status: "+h(a),LOG_DISK);this.dma_status&=~(a&6)};
IDEDevice.prototype.dma_read_command=function(){return this.dma_read_command8()|this.dma_read_status()<<16};IDEDevice.prototype.dma_read_command8=function(){dbg_log("DMA read command: "+h(this.dma_command),LOG_DISK);return this.dma_command};IDEDevice.prototype.dma_write_command=function(a){dbg_log("DMA write command: "+h(a),LOG_DISK);this.dma_write_command8(a&255);this.dma_write_status(a>>16&255)};
IDEDevice.prototype.dma_write_command8=function(a){dbg_log("DMA write command8: "+h(a),LOG_DISK);let b=this.dma_command;this.dma_command=a&9;if((b&1)!==(a&1))if(0===(a&1))this.dma_status&=-2;else switch(this.dma_status|=1,this.current_interface.current_command){case 37:case 200:this.current_interface.do_ata_read_sectors_dma();break;case 202:case 53:this.current_interface.do_ata_write_sectors_dma();break;case 160:this.current_interface.do_atapi_dma();break;default:dbg_log("Spurious dma command write, current command: "+
h(this.current_interface.current_command),LOG_DISK),dbg_assert(!1)}};IDEDevice.prototype.push_irq=function(){0===(this.device_control&2)&&(dbg_log("push irq",LOG_DISK),this.dma_status|=4,this.cpu.device_raise_irq(this.irq))};
IDEDevice.prototype.get_state=function(){var a=[];a[0]=this.master;a[1]=this.slave;a[2]=this.ata_port;a[3]=this.irq;a[4]=this.pci_id;a[5]=this.ata_port_high;a[6]=this.master_port;a[7]=this.name;a[8]=this.device_control;a[9]=this.prdt_addr;a[10]=this.dma_status;a[11]=this.current_interface===this.master;a[12]=this.dma_command;return a};
IDEDevice.prototype.set_state=function(a){this.master.set_state(a[0]);this.slave.set_state(a[1]);this.ata_port=a[2];this.irq=a[3];this.pci_id=a[4];this.ata_port_high=a[5];this.master_port=a[6];this.name=a[7];this.device_control=a[8];this.prdt_addr=a[9];this.dma_status=a[10];this.current_interface=a[11]?this.master:this.slave;this.dma_command=a[12]};
function IDEInterface(a,b,c,d,e,f,g){this.device=a;this.bus=g;this.nr=e;this.cpu=b;this.buffer=c;this.sector_size=d?CDROM_SECTOR_SIZE:HD_SECTOR_SIZE;this.is_atapi=d;this.cylinder_count=this.sectors_per_track=this.head_count=this.sector_count=0;this.buffer&&(this.sector_count=this.buffer.byteLength/this.sector_size,this.sector_count!==(this.sector_count|0)&&(dbg_log("Warning: Disk size not aligned with sector size",LOG_DISK),this.sector_count=Math.ceil(this.sector_count)),d?(this.head_count=1,this.sectors_per_track=
0):(this.head_count=16,this.sectors_per_track=63),this.cylinder_count=this.sector_count/this.head_count/this.sectors_per_track,this.cylinder_count!==(this.cylinder_count|0)&&(dbg_log("Warning: Rounding up cylinder count. Choose different head number",LOG_DISK),this.cylinder_count=Math.floor(this.cylinder_count)),a=b.devices.rtc,a.cmos_write(CMOS_BIOS_DISKTRANSFLAG,a.cmos_read(CMOS_BIOS_DISKTRANSFLAG)|1<<4*this.nr),a.cmos_write(CMOS_DISK_DATA,a.cmos_read(CMOS_DISK_DATA)&15|240),b=CMOS_DISK_DRIVE1_CYL,
a.cmos_write(b+0,this.cylinder_count&255),a.cmos_write(b+1,this.cylinder_count>>8&255),a.cmos_write(b+2,this.head_count&255),a.cmos_write(b+3,255),a.cmos_write(b+4,255),a.cmos_write(b+5,200),a.cmos_write(b+6,this.cylinder_count&255),a.cmos_write(b+7,this.cylinder_count>>8&255),a.cmos_write(b+8,this.sectors_per_track&255));this.stats={sectors_read:0,sectors_written:0,bytes_read:0,bytes_written:0,loading:!1};this.buffer=c;this.drive_head=this.head=this.cylinder_high=this.cylinder_low=this.lba_count=
this.sector=this.bytecount=this.is_lba=0;this.status=80;this.sectors_per_drq=128;this.data_pointer=this.error=0;this.data=new Uint8Array(65536);this.data16=new Uint16Array(this.data.buffer);this.data32=new Int32Array(this.data.buffer);this.data_end=this.data_length=0;this.current_atapi_command=this.current_command=-1;this.last_io_id=this.write_dest=0;this.in_progress_io_ids=new Set;this.cancelled_io_ids=new Set;Object.seal(this)}
IDEInterface.prototype.device_reset=function(){this.is_atapi?(this.status=0,this.sector=this.error=this.bytecount=1,this.cylinder_low=20,this.cylinder_high=235):(this.status=81,this.sector=this.error=this.bytecount=1,this.cylinder_high=this.cylinder_low=0);this.cancel_io_operations()};IDEInterface.prototype.push_irq=function(){this.device.push_irq()};
IDEInterface.prototype.ata_command=function(a){dbg_log("ATA Command: "+h(a)+" slave="+(this.drive_head>>4&1),LOG_DISK);if(this.buffer)switch(this.current_command=a,this.error=0,a){case 8:dbg_log("ATA device reset",LOG_DISK);this.data_length=this.data_end=this.data_pointer=0;this.device_reset();this.push_irq();break;case 16:this.status=80;this.cylinder_low=0;this.push_irq();break;case 248:this.status=80;a=this.sector_count-1;this.sector=a&255;this.cylinder_low=a>>8&255;this.cylinder_high=a>>16&255;
this.drive_head=this.drive_head&240|a>>24&15;this.push_irq();break;case 39:this.status=80;a=this.sector_count-1;this.sector=a&255;this.cylinder_low=a>>8&255;this.cylinder_high=a>>16&255;this.sector|=a>>24<<8&65280;this.push_irq();break;case 32:case 36:case 41:case 196:this.ata_read_sectors(a);break;case 48:case 52:case 57:case 197:this.ata_write_sectors(a);break;case 144:this.push_irq();this.error=257;this.status=80;break;case 145:this.status=80;this.push_irq();break;case 160:this.is_atapi&&(this.status=
88,this.data_allocate(12),this.data_end=12,this.bytecount=1,this.push_irq());break;case 161:dbg_log("ATA identify packet device",LOG_DISK);this.is_atapi?(this.create_identify_packet(),this.status=88,this.cylinder_low=20,this.cylinder_high=235):this.status=65;this.push_irq();break;case 198:dbg_log("Logical sectors per DRQ Block: "+h(this.bytecount&255),LOG_DISK);this.sectors_per_drq=this.bytecount&255;this.status=80;this.push_irq();break;case 37:case 200:this.ata_read_sectors_dma(a);break;case 53:case 202:this.ata_write_sectors_dma(a);
break;case 64:dbg_log("read verify sectors",LOG_DISK);this.status=80;this.push_irq();break;case 218:dbg_log("Unimplemented: get media status",LOG_DISK);this.status=65;this.error=4;this.push_irq();break;case 224:dbg_log("ATA standby immediate",LOG_DISK);this.status=80;this.push_irq();break;case 225:dbg_log("ATA idle immediate",LOG_DISK);this.status=80;this.push_irq();break;case 231:dbg_log("ATA flush cache",LOG_DISK);this.status=80;this.push_irq();break;case 236:dbg_log("ATA identify device",LOG_DISK);
if(this.is_atapi){this.status=65;this.error=4;this.push_irq();break}this.create_identify_packet();this.status=88;this.push_irq();break;case 234:dbg_log("flush cache ext",LOG_DISK);this.status=80;this.push_irq();break;case 239:dbg_log("set features: "+h(this.bytecount&255),LOG_DISK);this.status=80;this.push_irq();break;case 222:this.status=80;this.push_irq();break;case 245:dbg_log("security freeze lock",LOG_DISK);this.status=80;this.push_irq();break;case 249:dbg_log("Unimplemented: set max address",
LOG_DISK);this.status=65;this.error=4;break;default:dbg_assert(!1,"New ATA cmd on 1F7: "+h(a),LOG_DISK),this.status=65,this.error=4}else dbg_log("abort: No buffer",LOG_DISK),this.error=4,this.status=65,this.push_irq()};
IDEInterface.prototype.atapi_handle=function(){dbg_log("ATAPI Command: "+h(this.data[0])+" slave="+(this.drive_head>>4&1),LOG_DISK);this.data_pointer=0;this.current_atapi_command=this.data[0];switch(this.current_atapi_command){case 0:dbg_log("test unit ready",LOG_DISK);this.data_allocate(0);this.data_end=this.data_length;this.status=80;break;case 3:this.data_allocate(this.data[4]);this.data_end=this.data_length;this.status=88;this.data[0]=240;this.data[2]=5;this.data[7]=8;break;case 18:var a=this.data[4];
this.status=88;dbg_log("inquiry: "+h(this.data[1],2)+" length="+a,LOG_DISK);this.data.set([5,128,1,49,31,0,0,0,83,79,78,89,32,32,32,32,67,68,45,82,79,77,32,67,68,85,45,49,48,48,48,32,49,46,49,97]);this.data_end=this.data_length=Math.min(36,a);break;case 26:this.data_allocate(this.data[4]);this.data_end=this.data_length;this.status=88;break;case 30:this.data_allocate(0);this.data_end=this.data_length;this.status=80;break;case 37:a=this.sector_count-1;this.data_set(new Uint8Array([a>>24&255,a>>16&255,
a>>8&255,a&255,0,0,this.sector_size>>8&255,this.sector_size&255]));this.data_end=this.data_length;this.status=88;break;case 40:this.lba_count&1?this.atapi_read_dma(this.data):this.atapi_read(this.data);break;case 66:a=this.data[8];this.data_allocate(Math.min(8,a));this.data_end=this.data_length;dbg_log("read q subcode: length="+a,LOG_DISK);this.status=88;break;case 67:a=this.data[8]|this.data[7]<<8;var b=this.data[9]>>6;this.data_allocate(a);this.data_end=this.data_length;dbg_log("read toc: "+h(b,
2)+" length="+a+" "+(this.data[1]&2)+" "+h(this.data[6]),LOG_DISK);0===b?(a=this.sector_count,this.data.set(new Uint8Array([0,18,1,1,0,20,1,0,0,0,0,0,0,22,170,0,a>>24,a>>16&255,a>>8&255,a&255]))):1===b?this.data.set(new Uint8Array([0,10,1,1,0,0,0,0,0,0,0,0])):dbg_assert(!1,"Unimplemented format: "+b);this.status=88;break;case 70:a=this.data[8]|this.data[7]<<8;a=Math.min(a,32);this.data_allocate(a);this.data_end=this.data_length;this.data[0]=a-4>>24&255;this.data[1]=a-4>>16&255;this.data[2]=a-4>>8&
255;this.data[3]=a-4&255;this.data[6]=8;this.data[10]=3;this.status=88;break;case 81:this.data_allocate(0);this.data_end=this.data_length;this.status=80;break;case 82:dbg_log("Unimplemented ATAPI command: "+h(this.data[0]),LOG_DISK);this.status=81;this.data_length=0;this.error=80;break;case 90:a=this.data[8]|this.data[7]<<8;b=this.data[2];dbg_log("mode sense: "+h(b)+" length="+a,LOG_DISK);42===b&&this.data_allocate(Math.min(30,a));this.data_end=this.data_length;this.status=88;break;case 189:this.data_allocate(this.data[9]|
this.data[8]<<8);this.data_end=this.data_length;this.data[5]=1;this.status=88;break;case 74:this.status=81;this.data_length=0;this.error=80;dbg_log("Unimplemented ATAPI command: "+h(this.data[0]),LOG_DISK);break;case 190:dbg_log("Unimplemented ATAPI command: "+h(this.data[0]),LOG_DISK);this.data_allocate(0);this.data_end=this.data_length;this.status=80;break;default:this.status=81,this.data_length=0,this.error=80,dbg_log("Unimplemented ATAPI command: "+h(this.data[0]),LOG_DISK),dbg_assert(!1)}this.bytecount=
this.bytecount&-8|2;0===(this.status&128)&&this.push_irq();0===(this.status&128)&&0===this.data_length&&(this.bytecount|=1,this.status&=-9)};IDEInterface.prototype.do_write=function(){this.status=80;dbg_assert(this.data_length<=this.data.length);var a=this.data.subarray(0,this.data_length);dbg_assert(0===this.data_length%512);this.ata_advance(this.current_command,this.data_length/512);this.push_irq();this.buffer.set(this.write_dest,a,function(){});this.report_write(this.data_length)};
IDEInterface.prototype.atapi_read=function(a){var b=a[2]<<24|a[3]<<16|a[4]<<8|a[5],c=a[7]<<8|a[8];a=a[1];var d=c*this.sector_size,e=b*this.sector_size;dbg_log("CD read lba="+h(b)+" lbacount="+h(c)+" bytecount="+h(d)+" flags="+h(a),LOG_DISK);this.data_length=0;var f=this.cylinder_high<<8&65280|this.cylinder_low&255;dbg_log(h(this.cylinder_high,2)+" "+h(this.cylinder_low,2),LOG_DISK);this.cylinder_low=this.cylinder_high=0;65535===f&&f--;f>d&&(f=d);e>=this.buffer.byteLength?(dbg_assert(!1,"CD read: Outside of disk end="+
h(e+d)+" size="+h(this.buffer.byteLength),LOG_DISK),this.status=255,this.push_irq()):0===d?(this.status=80,this.data_pointer=0):(d=Math.min(d,this.buffer.byteLength-e),this.status=208,this.report_read_start(),this.read_buffer(e,d,g=>{dbg_log("cd read: data arrived",LOG_DISK);this.data_set(g);this.status=88;this.bytecount=this.bytecount&-8|2;this.push_irq();this.data_end=f&=-4;this.data_end>this.data_length&&(this.data_end=this.data_length);this.cylinder_low=this.data_end&255;this.cylinder_high=this.data_end>>
8&255;this.report_read_end(d)}))};
IDEInterface.prototype.atapi_read_dma=function(a){var b=a[2]<<24|a[3]<<16|a[4]<<8|a[5],c=a[7]<<8|a[8];a=a[1];var d=c*this.sector_size,e=b*this.sector_size;dbg_log("CD read DMA lba="+h(b)+" lbacount="+h(c)+" bytecount="+h(d)+" flags="+h(a),LOG_DISK);e>=this.buffer.byteLength?(dbg_assert(!1,"CD read: Outside of disk end="+h(e+d)+" size="+h(this.buffer.byteLength),LOG_DISK),this.status=255,this.push_irq()):(this.status=208,this.report_read_start(),this.read_buffer(e,d,f=>{dbg_log("atapi_read_dma: Data arrived");
this.report_read_end(d);this.status=88;this.bytecount=this.bytecount&-8|2;this.data_set(f);this.do_atapi_dma()}))};
IDEInterface.prototype.do_atapi_dma=function(){if(0===(this.device.dma_status&1))dbg_log("do_atapi_dma: Status not set",LOG_DISK);else if(0===(this.status&8))dbg_log("do_atapi_dma: DRQ not set",LOG_DISK);else{dbg_log("atapi dma transfer len="+this.data_length,LOG_DISK);var a=this.device.prdt_addr,b=0,c=this.data;do{var d=this.cpu.read32s(a),e=this.cpu.read16(a+4),f=this.cpu.read8(a+7)&128;e||(e=65536);dbg_log("dma read dest="+h(d)+" count="+h(e)+" datalen="+h(this.data_length),LOG_DISK);this.cpu.write_blob(c.subarray(b,
Math.min(b+e,this.data_length)),d);b+=e;a+=8;if(b>=this.data_length&&!f){dbg_log("leave early end="+ +f+" offset="+h(b)+" data_length="+h(this.data_length)+" cmd="+h(this.current_command),LOG_DISK);break}}while(!f);dbg_log("end offset="+b,LOG_DISK);this.status=80;this.device.dma_status&=-2;this.bytecount=this.bytecount&-8|3;this.push_irq()}};
IDEInterface.prototype.read_data=function(a){if(this.data_pointer<this.data_end){dbg_assert(this.data_pointer+a-1<this.data_end);dbg_assert(0===this.data_pointer%a,h(this.data_pointer)+" "+a);var b=1===a?this.data[this.data_pointer]:2===a?this.data16[this.data_pointer>>>1]:this.data32[this.data_pointer>>>2];this.data_pointer+=a;0===(this.data_pointer&(0===(this.data_end&4095)?4095:255))&&dbg_log("Read 1F0: "+h(this.data[this.data_pointer],2)+" cur="+h(this.data_pointer)+" cnt="+h(this.data_length),
LOG_DISK);this.data_pointer>=this.data_end&&this.read_end();return b}dbg_log("Read 1F0: empty",LOG_DISK);this.data_pointer+=a;return 0};
IDEInterface.prototype.read_end=function(){dbg_log("read_end cmd="+h(this.current_command)+" data_pointer="+h(this.data_pointer)+" end="+h(this.data_end)+" length="+h(this.data_length),LOG_DISK);if(160===this.current_command)if(this.data_end===this.data_length)this.status=80,this.bytecount=this.bytecount&-8|3,this.push_irq();else{this.status=88;this.bytecount=this.bytecount&-8|2;this.push_irq();var a=this.cylinder_high<<8&65280|this.cylinder_low&255;this.data_end+a>this.data_length?(this.cylinder_low=
this.data_length-this.data_end&255,this.cylinder_high=this.data_length-this.data_end>>8&255,this.data_end=this.data_length):this.data_end+=a;dbg_log("data_end="+h(this.data_end),LOG_DISK)}else this.error=0,this.data_pointer>=this.data_length?this.status=80:(196===this.current_command||41===this.current_command?(a=Math.min(this.sectors_per_drq,(this.data_length-this.data_end)/512),dbg_assert(0===a%1)):(dbg_assert(32===this.current_command||36===this.current_command),a=1),this.ata_advance(this.current_command,
a),this.data_end+=512*a,this.status=88),this.push_irq()};
IDEInterface.prototype.write_data_port=function(a,b){dbg_assert(0===this.data_pointer%b);this.data_pointer>=this.data_end?dbg_log("Redundant write to data port: "+h(a)+" count="+h(this.data_end)+" cur="+h(this.data_pointer),LOG_DISK):((0===(this.data_pointer+b&(0===(this.data_end&4095)?4095:255))||20>this.data_end)&&dbg_log("Data port: "+h(a>>>0)+" count="+h(this.data_end)+" cur="+h(this.data_pointer),LOG_DISK),1===b?this.data[this.data_pointer++]=a:2===b?(this.data16[this.data_pointer>>>1]=a,this.data_pointer+=
2):(this.data32[this.data_pointer>>>2]=a,this.data_pointer+=4),dbg_assert(this.data_pointer<=this.data_end),this.data_pointer===this.data_end&&this.write_end())};IDEInterface.prototype.write_data_port8=function(a){this.write_data_port(a,1)};IDEInterface.prototype.write_data_port16=function(a){this.write_data_port(a,2)};IDEInterface.prototype.write_data_port32=function(a){this.write_data_port(a,4)};
IDEInterface.prototype.write_end=function(){160===this.current_command?this.atapi_handle():(dbg_log("write_end data_pointer="+h(this.data_pointer)+" data_length="+h(this.data_length),LOG_DISK),this.data_pointer>=this.data_length?this.do_write():(dbg_assert(48===this.current_command||52===this.current_command||197===this.current_command,"Unexpected command: "+h(this.current_command)),this.status=88,this.data_end+=512,this.push_irq()))};
IDEInterface.prototype.ata_advance=function(a,b){dbg_log("Advance sectors="+b+" old_bytecount="+this.bytecount,LOG_DISK);this.bytecount-=b;36===a||41===a||52===a||57===a||37===a||53===a?(a=b+this.get_lba48(),this.sector=a&255|a>>16&65280,this.cylinder_low=a>>8&255,this.cylinder_high=a>>16&255):this.is_lba?(a=b+this.get_lba28(),this.sector=a&255,this.cylinder_low=a>>8&255,this.cylinder_high=a>>16&255,this.head=this.head&-16|a&15):(a=b+this.get_chs(),b=a/(this.head_count*this.sectors_per_track)|0,this.cylinder_low=
b&255,this.cylinder_high=b>>8&255,this.head=(a/this.sectors_per_track|0)%this.head_count&15,this.sector=a%this.sectors_per_track+1&255,dbg_assert(a===this.get_chs()))};
IDEInterface.prototype.ata_read_sectors=function(a){var b=36===a||41===a,c=this.get_count(b);b=this.get_lba(b);var d=32===a||36===a,e=c*this.sector_size,f=b*this.sector_size;dbg_log("ATA read cmd="+h(a)+" mode="+(this.is_lba?"lba":"chs")+" lba="+h(b)+" lbacount="+h(c)+" bytecount="+h(e),LOG_DISK);f+e>this.buffer.byteLength?(dbg_assert(!1,"ATA read: Outside of disk",LOG_DISK),this.status=255,this.push_irq()):(this.status=192,this.report_read_start(),this.read_buffer(f,e,g=>{dbg_log("ata_read: Data arrived",
LOG_DISK);this.data_set(g);this.status=88;this.data_end=d?512:Math.min(e,512*this.sectors_per_drq);this.ata_advance(a,d?1:Math.min(c,this.sectors_per_track));this.push_irq();this.report_read_end(e)}))};
IDEInterface.prototype.ata_read_sectors_dma=function(a){var b=37===a;a=this.get_count(b);b=this.get_lba(b);var c=a*this.sector_size,d=b*this.sector_size;dbg_log("ATA DMA read lba="+h(b)+" lbacount="+h(a)+" bytecount="+h(c),LOG_DISK);d+c>this.buffer.byteLength?(dbg_assert(!1,"ATA read: Outside of disk",LOG_DISK),this.status=255,this.push_irq()):(this.status=88,this.device.dma_status|=1)};
IDEInterface.prototype.do_ata_read_sectors_dma=function(){var a=37===this.current_command,b=this.get_count(a);a=this.get_lba(a);var c=b*this.sector_size,d=a*this.sector_size;dbg_assert(a<this.buffer.byteLength);this.report_read_start();var e=this.device.prdt_addr;this.read_buffer(d,c,f=>{dbg_log("do_ata_read_sectors_dma: Data arrived",LOG_DISK);var g=this.device.prdt_addr,k=0;dbg_assert(e===g);do{var l=this.cpu.read32s(g),m=this.cpu.read16(g+4),n=this.cpu.read8(g+7)&128;m||(m=65536,dbg_log("dma: prd count was 0",
LOG_DISK));dbg_log("dma read transfer dest="+h(l)+" prd_count="+h(m),LOG_DISK);this.cpu.write_blob(f.subarray(k,k+m),l);k+=m;g+=8}while(!n);dbg_assert(k===c);this.ata_advance(this.current_command,b);this.status=80;this.device.dma_status&=-2;this.current_command=-1;this.push_irq();this.report_read_end(c)})};
IDEInterface.prototype.ata_write_sectors=function(a){var b=52===a||57===a,c=this.get_count(b);b=this.get_lba(b);a=48===a||52===a;var d=c*this.sector_size,e=b*this.sector_size;dbg_log("ATA write lba="+h(b)+" mode="+(this.is_lba?"lba":"chs")+" lbacount="+h(c)+" bytecount="+h(d),LOG_DISK);e+d>this.buffer.byteLength?(dbg_assert(!1,"ATA write: Outside of disk",LOG_DISK),this.status=255,this.push_irq()):(this.status=88,this.data_allocate_noclear(d),this.data_end=a?512:Math.min(d,512*this.sectors_per_drq),
this.write_dest=e)};IDEInterface.prototype.ata_write_sectors_dma=function(a){var b=53===a;a=this.get_count(b);b=this.get_lba(b);var c=a*this.sector_size,d=b*this.sector_size;dbg_log("ATA DMA write lba="+h(b)+" lbacount="+h(a)+" bytecount="+h(c),LOG_DISK);d+c>this.buffer.byteLength?(dbg_assert(!1,"ATA DMA write: Outside of disk",LOG_DISK),this.status=255,this.push_irq()):(this.status=88,this.device.dma_status|=1)};
IDEInterface.prototype.do_ata_write_sectors_dma=function(){var a=53===this.current_command,b=this.get_count(a),c=this.get_lba(a);a=b*this.sector_size;c*=this.sector_size;var d=this.device.prdt_addr,e=0;dbg_log("prdt addr: "+h(d,8),LOG_DISK);const f=new Uint8Array(a);do{var g=this.cpu.read32s(d),k=this.cpu.read16(d+4),l=this.cpu.read8(d+7)&128;k||(k=65536,dbg_log("dma: prd count was 0",LOG_DISK));dbg_log("dma write transfer dest="+h(g)+" prd_count="+h(k),LOG_DISK);g=this.cpu.mem8.subarray(g,g+k);dbg_assert(g.length===
k);f.set(g,e);e+=k;d+=8}while(!l);dbg_assert(e===f.length);this.buffer.set(c,f,()=>{dbg_log("dma write completed",LOG_DISK);this.ata_advance(this.current_command,b);this.status=80;this.push_irq();this.device.dma_status&=-2;this.current_command=-1});this.report_write(a)};
IDEInterface.prototype.get_chs=function(){var a=this.cylinder_low&255|this.cylinder_high<<8&65280,b=this.head,c=this.sector&255;dbg_log("get_chs: c="+a+" h="+b+" s="+c,LOG_DISK);return(a*this.head_count+b)*this.sectors_per_track+c-1};IDEInterface.prototype.get_lba28=function(){return this.sector&255|this.cylinder_low<<8&65280|this.cylinder_high<<16&16711680|(this.head&15)<<24};
IDEInterface.prototype.get_lba48=function(){return(this.sector&255|this.cylinder_low<<8&65280|this.cylinder_high<<16&16711680|this.sector>>8<<24&4278190080)>>>0};IDEInterface.prototype.get_lba=function(a){return a?this.get_lba48():this.is_lba?this.get_lba28():this.get_chs()};IDEInterface.prototype.get_count=function(a){a?(a=this.bytecount,0===a&&(a=65536)):(a=this.bytecount&255,0===a&&(a=256));return a};
IDEInterface.prototype.create_identify_packet=function(){if(this.drive_head&16)this.data_allocate(0);else{for(var a=0;512>a;a++)this.data[a]=0;a=Math.min(16383,this.cylinder_count);this.data_set([64,this.is_atapi?133:0,a,a>>8,0,0,this.head_count,this.head_count>>8,this.sectors_per_track/512,this.sectors_per_track/512>>8,0,2,this.sectors_per_track,this.sectors_per_track>>8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,2,4,0,0,0,0,0,0,0,0,0,56,118,32,54,68,72,32,32,32,32,32,32,32,32,32,
32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,128,0,1,0,0,2,0,0,0,2,0,2,7,0,a,a>>8,this.head_count,this.head_count>>8,this.sectors_per_track,0,this.sector_count&255,this.sector_count>>8&255,this.sector_count>>16&255,this.sector_count>>24&255,0,0,this.sector_count&255,this.sector_count>>8&255,this.sector_count>>16&255,this.sector_count>>24&255,0,0,160===this.current_command?0:7,160===this.current_command?0:4,0,0,30,0,30,0,30,0,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,126,0,0,0,0,0,0,116,0,64,0,64,0,116,0,64,0,0,0,0,0,0,0,0,0,0,1,96,0,0,0,0,0,0,0,0,0,0,0,0,this.sector_count&255,this.sector_count>>8&255,this.sector_count>>16&255,this.sector_count>>24&255]);this.data_end=this.data_length=512}};IDEInterface.prototype.data_allocate=function(a){this.data_allocate_noclear(a);for(var b=0;b<a+3>>2;b++)this.data32[b]=0};
IDEInterface.prototype.data_allocate_noclear=function(a){this.data.length<a&&(this.data=new Uint8Array(a+3&-4),this.data16=new Uint16Array(this.data.buffer),this.data32=new Int32Array(this.data.buffer));this.data_length=a;this.data_pointer=0};IDEInterface.prototype.data_set=function(a){this.data_allocate_noclear(a.length);this.data.set(a)};IDEInterface.prototype.report_read_start=function(){this.stats.loading=!0;this.bus.send("ide-read-start")};
IDEInterface.prototype.report_read_end=function(a){this.stats.loading=!1;var b=a/this.sector_size|0;this.stats.sectors_read+=b;this.stats.bytes_read+=a;this.bus.send("ide-read-end",[this.nr,a,b])};IDEInterface.prototype.report_write=function(a){var b=a/this.sector_size|0;this.stats.sectors_written+=b;this.stats.bytes_written+=a;this.bus.send("ide-write-end",[this.nr,a,b])};
IDEInterface.prototype.read_buffer=function(a,b,c){const d=this.last_io_id++;this.in_progress_io_ids.add(d);this.buffer.get(a,b,e=>{if(this.cancelled_io_ids.delete(d))dbg_assert(!this.in_progress_io_ids.has(d));else{var f=this.in_progress_io_ids.delete(d);dbg_assert(f);c(e)}})};IDEInterface.prototype.cancel_io_operations=function(){for(const a of this.in_progress_io_ids)this.cancelled_io_ids.add(a);this.in_progress_io_ids.clear()};
IDEInterface.prototype.get_state=function(){var a=[];a[0]=this.bytecount;a[1]=this.cylinder_count;a[2]=this.cylinder_high;a[3]=this.cylinder_low;a[4]=this.data_pointer;a[5]=0;a[6]=0;a[7]=0;a[8]=0;a[9]=this.drive_head;a[10]=this.error;a[11]=this.head;a[12]=this.head_count;a[13]=this.is_atapi;a[14]=this.is_lba;a[15]=this.lba_count;a[16]=this.data;a[17]=this.data_length;a[18]=this.sector;a[19]=this.sector_count;a[20]=this.sector_size;a[21]=this.sectors_per_drq;a[22]=this.sectors_per_track;a[23]=this.status;
a[24]=this.write_dest;a[25]=this.current_command;a[26]=this.data_end;a[27]=this.current_atapi_command;a[28]=this.buffer;return a};
IDEInterface.prototype.set_state=function(a){this.bytecount=a[0];this.cylinder_count=a[1];this.cylinder_high=a[2];this.cylinder_low=a[3];this.data_pointer=a[4];this.drive_head=a[9];this.error=a[10];this.head=a[11];this.head_count=a[12];this.is_atapi=a[13];this.is_lba=a[14];this.lba_count=a[15];this.data=a[16];this.data_length=a[17];this.sector=a[18];this.sector_count=a[19];this.sector_size=a[20];this.sectors_per_drq=a[21];this.sectors_per_track=a[22];this.status=a[23];this.write_dest=a[24];this.current_command=
a[25];this.data_end=a[26];this.current_atapi_command=a[27];this.data16=new Uint16Array(this.data.buffer);this.data32=new Int32Array(this.data.buffer);this.buffer&&this.buffer.set_state(a[28])};var PCI_CONFIG_ADDRESS=3320,PCI_CONFIG_DATA=3324;
function PCI(a){this.pci_addr=new Uint8Array(4);this.pci_value=new Uint8Array(4);this.pci_response=new Uint8Array(4);this.pci_status=new Uint8Array(4);this.pci_addr32=new Int32Array(this.pci_addr.buffer);this.pci_value32=new Int32Array(this.pci_value.buffer);this.pci_response32=new Int32Array(this.pci_response.buffer);this.pci_status32=new Int32Array(this.pci_status.buffer);this.device_spaces=[];this.devices=[];this.cpu=a;for(var b=0;256>b;b++)this.device_spaces[b]=void 0,this.devices[b]=void 0;this.io=
a.io;a.io.register_write(PCI_CONFIG_DATA,this,function(c){this.pci_write8(this.pci_addr32[0],c)},function(c){this.pci_write16(this.pci_addr32[0],c)},function(c){this.pci_write32(this.pci_addr32[0],c)});a.io.register_write(PCI_CONFIG_DATA+1,this,function(c){this.pci_write8(this.pci_addr32[0]+1|0,c)});a.io.register_write(PCI_CONFIG_DATA+2,this,function(c){this.pci_write8(this.pci_addr32[0]+2|0,c)},function(c){this.pci_write16(this.pci_addr32[0]+2|0,c)});a.io.register_write(PCI_CONFIG_DATA+3,this,function(c){this.pci_write8(this.pci_addr32[0]+
3|0,c)});a.io.register_read_consecutive(PCI_CONFIG_DATA,this,function(){return this.pci_response[0]},function(){return this.pci_response[1]},function(){return this.pci_response[2]},function(){return this.pci_response[3]});a.io.register_read_consecutive(PCI_CONFIG_ADDRESS,this,function(){return this.pci_status[0]},function(){return this.pci_status[1]},function(){return this.pci_status[2]},function(){return this.pci_status[3]});a.io.register_write_consecutive(PCI_CONFIG_ADDRESS,this,function(c){this.pci_addr[0]=
c&252},function(c){2===(this.pci_addr[1]&6)&&6===(c&6)?(dbg_log("CPU reboot via PCI"),a.reboot_internal()):this.pci_addr[1]=c},function(c){this.pci_addr[2]=c},function(c){this.pci_addr[3]=c;this.pci_query()});this.register_device({pci_id:0,pci_space:[134,128,55,18,0,0,0,0,2,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0],pci_bars:[],name:"82441FX PMC"});this.isa_bridge={pci_id:8,
pci_space:[134,128,0,112,7,0,0,2,0,0,1,6,0,0,128,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],pci_bars:[],name:"82371SB PIIX3 ISA"};this.isa_bridge_space=this.register_device(this.isa_bridge);this.isa_bridge_space8=new Uint8Array(this.isa_bridge_space.buffer)}PCI.prototype.get_state=function(){for(var a=[],b=0;256>b;b++)a[b]=this.device_spaces[b];a[256]=this.pci_addr;a[257]=this.pci_value;a[258]=this.pci_response;a[259]=this.pci_status;return a};
PCI.prototype.set_state=function(a){for(var b=0;256>b;b++){var c=this.devices[b],d=a[b];if(c&&d){for(var e=0;e<c.pci_bars.length;e++){var f=d[4+e];if(f&1){var g=c.pci_bars[e];this.set_io_bars(g,g.original_bar&65534,f&65534)}}this.device_spaces[b].set(d)}else c&&dbg_log("Warning: While restoring PCI device: Device exists in current configuration but not in snapshot ("+c.name+")"),d&&dbg_log("Warning: While restoring PCI device: Device doesn't exist in current configuration but does in snapshot (device "+
h(b,2)+")")}this.pci_addr.set(a[256]);this.pci_value.set(a[257]);this.pci_response.set(a[258]);this.pci_status.set(a[259])};
PCI.prototype.pci_query=function(){var a=this.pci_addr[2]<<8|this.pci_addr[1],b=this.pci_addr[0]&252,c=a>>3&31;var d="query enabled="+(this.pci_addr[3]>>7)+(" bdf="+h(a,4));d+=" dev="+h(c,2);d+=" addr="+h(b,2);c=this.device_spaces[a];void 0!==c?(this.pci_status32[0]=-2147483648,this.pci_response32[0]=b<c.byteLength?c[b>>2]:0,d+=" "+h(this.pci_addr32[0]>>>0,8)+" -> "+h(this.pci_response32[0]>>>0,8),b>=c.byteLength&&(d+=" (undef)"),d+=" ("+this.devices[a].name+")",dbg_log(d,LOG_PCI)):(this.pci_response32[0]=
-1,this.pci_status32[0]=0)};PCI.prototype.pci_write8=function(a,b){var c=a>>8&65535;a&=255;var d=new Uint8Array(this.device_spaces[c].buffer),e=this.devices[c];d&&(dbg_assert(!(16<=a&&44>a||48<=a&&52>a),"PCI: Expected 32-bit write, got 8-bit (addr: "+h(a)+")"),dbg_log("PCI write8 dev="+h(c>>3,2)+" ("+e.name+") addr="+h(a,4)+" value="+h(b,2),LOG_PCI),d[a]=b)};
PCI.prototype.pci_write16=function(a,b){dbg_assert(0===(a&1));var c=a>>8&65535;a&=255;var d=new Uint16Array(this.device_spaces[c].buffer),e=this.devices[c];d&&(16<=a&&44>a?dbg_log("Warning: PCI: Expected 32-bit write, got 16-bit (addr: "+h(a)+")"):(dbg_assert(!(48<=a&&52>a),"PCI: Expected 32-bit write, got 16-bit (addr: "+h(a)+")"),dbg_log("PCI writ16 dev="+h(c>>3,2)+" ("+e.name+") addr="+h(a,4)+" value="+h(b,4),LOG_PCI),d[a>>>1]=b))};
PCI.prototype.pci_write32=function(a,b){dbg_assert(0===(a&3));var c=a>>8&65535;a&=255;var d=this.device_spaces[c],e=this.devices[c];if(d)if(16<=a&&40>a){var f=a-16>>2,g=e.pci_bars[f];dbg_log("BAR"+f+" exists="+(g?"y":"n")+" changed to "+h(b>>>0)+" dev="+h(c>>3,2)+" ("+e.name+") ",LOG_PCI);g?(dbg_assert(!(g.size&g.size-1),"bar size should be power of 2"),c=a>>2,e=d[c]&1,-1===(b|3|g.size-1)?(b=~(g.size-1)|e,0===e&&(d[c]=b)):0===e&&(f=g.original_bar,(b&-16)!==(f&-16)&&dbg_log("Warning: Changing memory bar not supported, ignored",
LOG_PCI),d[c]=f),1===e&&(dbg_assert(1===e),e=d[c]&65534,f=b&65534,dbg_log("io bar changed from "+h(e>>>0,8)+" to "+h(f>>>0,8)+" size="+g.size,LOG_PCI),this.set_io_bars(g,e,f),d[c]=b|1)):d[a>>2]=0;dbg_log("BAR effective value: "+h(d[a>>2]>>>0),LOG_PCI)}else 48===a?(dbg_log("PCI write rom address dev="+h(c>>3,2)+" ("+e.name+") value="+h(b>>>0,8),LOG_PCI),d[a>>2]=e.pci_rom_size?-1===(b|2047)?-e.pci_rom_size|0:e.pci_rom_address|0:0):4===a?dbg_log("PCI write dev="+h(c>>3,2)+" ("+e.name+") addr="+h(a,4)+
" value="+h(b>>>0,8),LOG_PCI):(dbg_log("PCI write dev="+h(c>>3,2)+" ("+e.name+") addr="+h(a,4)+" value="+h(b>>>0,8),LOG_PCI),d[a>>>2]=b)};
PCI.prototype.register_device=function(a){dbg_assert(void 0!==a.pci_id);dbg_assert(void 0!==a.pci_space);dbg_assert(void 0!==a.pci_bars);var b=a.pci_id;dbg_log("PCI register bdf="+h(b)+" ("+a.name+")",LOG_PCI);dbg_assert(!this.devices[b]);dbg_assert(64<=a.pci_space.length);dbg_assert(b<this.devices.length);var c=new Int32Array(64);c.set(new Int32Array((new Uint8Array(a.pci_space)).buffer));this.device_spaces[b]=c;this.devices[b]=a;b=c.slice(4,10);for(var d=0;d<a.pci_bars.length;d++){var e=a.pci_bars[d];
if(e){var f=b[d],g=f&1;e.original_bar=f;e.entries=[];if(0!==g)for(dbg_assert(1===g),f&=-2,g=0;g<e.size;g++)e.entries[g]=this.io.ports[f+g]}}return c};
PCI.prototype.set_io_bars=function(a,b,c){var d=a.size;dbg_log("Move io bars: from="+h(b)+" to="+h(c)+" count="+d,LOG_PCI);for(var e=this.io.ports,f=0;f<d;f++){var g=e[b+f];4096<=b+f&&(e[b+f]=this.io.create_empty_entry());g.read8===this.io.empty_port_read8&&g.read16===this.io.empty_port_read16&&g.read32===this.io.empty_port_read32&&g.write8===this.io.empty_port_write&&g.write16===this.io.empty_port_write&&g.write32===this.io.empty_port_write&&dbg_log("Warning: Bad IO bar: Source not mapped, port="+
h(b+f,4),LOG_PCI);g=a.entries[f];var k=e[c+f];dbg_assert(g&&k);4096<=c+f&&(e[c+f]=g);k.read8!==this.io.empty_port_read8&&k.read16!==this.io.empty_port_read16&&k.read32!==this.io.empty_port_read32&&k.write8!==this.io.empty_port_write&&k.write16!==this.io.empty_port_write&&k.write32!==this.io.empty_port_write||dbg_log("Warning: Bad IO bar: Target already mapped, port="+h(c+f,4),LOG_PCI)}};
PCI.prototype.raise_irq=function(a){var b=this.device_spaces[a];dbg_assert(b);this.cpu.device_raise_irq(this.isa_bridge_space8[96+((b[15]>>8&255)-1+((a>>3)-1&255)&3)])};PCI.prototype.lower_irq=function(a){var b=this.device_spaces[a];dbg_assert(b);this.cpu.device_lower_irq(this.isa_bridge_space8[96+((b[15]>>8&255)+(a>>3&255)-2&3)])};function FloppyController(a,b,c){this.io=a.io;this.cpu=a;this.dma=a.devices.dma;this.bytes_expecting=0;this.receiving_command=new Uint8Array(10);this.receiving_index=0;this.next_command=null;this.response_data=new Uint8Array(10);this.response_length=this.response_index=0;this.fda_image=b;this.fdb_image=c;this.last_head=this.last_cylinder=this.drive=this.status_reg2=this.status_reg1=this.status_reg0=0;this.last_sector=1;this.dor=0;if(b){var d={[163840]:{type:1,tracks:40,sectors:8,heads:1},[184320]:{type:1,
tracks:40,sectors:9,heads:1},[204800]:{type:1,tracks:40,sectors:10,heads:1},[327680]:{type:1,tracks:40,sectors:8,heads:2},[368640]:{type:1,tracks:40,sectors:9,heads:2},[409600]:{type:1,tracks:40,sectors:10,heads:2},[737280]:{type:3,tracks:80,sectors:9,heads:2},[1228800]:{type:2,tracks:80,sectors:15,heads:2},[1474560]:{type:4,tracks:80,sectors:18,heads:2},[1763328]:{type:5,tracks:82,sectors:21,heads:2},[2949120]:{type:5,tracks:80,sectors:36,heads:2},512:{type:1,tracks:1,sectors:1,heads:1}};let e=b.byteLength;
c=d[e];c||(e=1474560<b.byteLength?2949120:1474560,c=d[e],dbg_log("Warning: Unkown floppy size: "+b.byteLength+", assuming "+e));a.devices.rtc.cmos_write(CMOS_FLOPPY_DRIVE_TYPE,c.type<<4);a=c.sectors;b=c.heads;c=c.tracks;this.sectors_per_track=a;this.number_of_heads=b;this.number_of_cylinders=c}else a.devices.rtc.cmos_write(CMOS_FLOPPY_DRIVE_TYPE,64),this.number_of_cylinders=this.number_of_heads=this.sectors_per_track=0;this.io.register_read(1008,this,this.port3F0_read);this.io.register_read(1010,
this,this.port3F2_read);this.io.register_read(1012,this,this.port3F4_read);this.io.register_read(1013,this,this.port3F5_read);this.io.register_read(1015,this,this.port3F7_read);this.io.register_write(1010,this,this.port3F2_write);this.io.register_write(1013,this,this.port3F5_write)}
FloppyController.prototype.get_state=function(){var a=[];a[0]=this.bytes_expecting;a[1]=this.receiving_command;a[2]=this.receiving_index;a[4]=this.response_data;a[5]=this.response_index;a[6]=this.response_length;a[8]=this.status_reg0;a[9]=this.status_reg1;a[10]=this.status_reg2;a[11]=this.drive;a[12]=this.last_cylinder;a[13]=this.last_head;a[14]=this.last_sector;a[15]=this.dor;a[16]=this.sectors_per_track;a[17]=this.number_of_heads;a[18]=this.number_of_cylinders;return a};
FloppyController.prototype.set_state=function(a){this.bytes_expecting=a[0];this.receiving_command=a[1];this.receiving_index=a[2];this.next_command=a[3];this.response_data=a[4];this.response_index=a[5];this.response_length=a[6];this.status_reg0=a[8];this.status_reg1=a[9];this.status_reg2=a[10];this.drive=a[11];this.last_cylinder=a[12];this.last_head=a[13];this.last_sector=a[14];this.dor=a[15];this.sectors_per_track=a[16];this.number_of_heads=a[17];this.number_of_cylinders=a[18]};
FloppyController.prototype.port3F0_read=function(){dbg_log("3F0 read",LOG_FLOPPY);return 0};FloppyController.prototype.port3F4_read=function(){dbg_log("3F4 read",LOG_FLOPPY);var a=128;this.response_index<this.response_length&&(a|=80);0===(this.dor&8)&&(a|=32);return a};FloppyController.prototype.port3F7_read=function(){dbg_log("3F7 read",LOG_FLOPPY);return 0};
FloppyController.prototype.port3F5_read=function(){if(this.response_index<this.response_length)return dbg_log("3F5 read: "+this.response_data[this.response_index],LOG_FLOPPY),this.cpu.device_lower_irq(6),this.response_data[this.response_index++];dbg_log("3F5 read, empty",LOG_FLOPPY);return 255};
FloppyController.prototype.port3F5_write=function(a){if(this.fda_image)if(dbg_log("3F5 write "+h(a),LOG_FLOPPY),0<this.bytes_expecting){if(this.receiving_command[this.receiving_index++]=a,this.bytes_expecting--,0===this.bytes_expecting){if(DEBUG){a="3F5 command received: ";for(var b=0;b<this.receiving_index;b++)a+=h(this.receiving_command[b])+" ";dbg_log(a,LOG_FLOPPY)}this.next_command.call(this,this.receiving_command)}}else{switch(a){case 3:this.next_command=this.fix_drive_data;this.bytes_expecting=
2;break;case 4:this.next_command=this.check_drive_status;this.bytes_expecting=1;break;case 5:case 69:case 197:this.next_command=function(c){this.do_sector(!0,c)};this.bytes_expecting=8;break;case 230:this.next_command=function(c){this.do_sector(!1,c)};this.bytes_expecting=8;break;case 7:this.next_command=this.calibrate;this.bytes_expecting=1;break;case 8:this.check_interrupt_status();break;case 74:this.next_command=this.read_sector_id;this.bytes_expecting=1;break;case 15:this.bytes_expecting=2;this.next_command=
this.seek;break;case 14:dbg_log("dump registers",LOG_FLOPPY);this.response_data[0]=128;this.response_index=0;this.response_length=1;this.bytes_expecting=0;break;default:dbg_assert(!1,"Unimplemented floppy command call "+h(a))}this.receiving_index=0}};FloppyController.prototype.port3F2_read=function(){dbg_log("read 3F2: DOR",LOG_FLOPPY);return this.dor};
FloppyController.prototype.port3F2_write=function(a){4===(a&4)&&0===(this.dor&4)&&this.cpu.device_raise_irq(6);dbg_log("start motors: "+h(a>>4),LOG_FLOPPY);dbg_log("enable dma: "+!!(a&8),LOG_FLOPPY);dbg_log("reset fdc: "+!!(a&4),LOG_FLOPPY);dbg_log("drive select: "+(a&3),LOG_FLOPPY);dbg_log("DOR = "+h(a),LOG_FLOPPY);this.dor=a};FloppyController.prototype.check_drive_status=function(a){dbg_log("check drive status",LOG_FLOPPY);this.response_index=0;this.response_length=1;this.response_data[0]=32};
FloppyController.prototype.seek=function(a){dbg_log("seek",LOG_FLOPPY);dbg_assert(0===(a[0]&3),"Unhandled seek drive");this.last_cylinder=a[1];this.last_head=a[0]>>2&1;this.raise_irq()};FloppyController.prototype.calibrate=function(a){dbg_log("floppy calibrate",LOG_FLOPPY);this.raise_irq()};FloppyController.prototype.check_interrupt_status=function(){dbg_log("floppy check interrupt status",LOG_FLOPPY);this.response_index=0;this.response_length=2;this.response_data[0]=32;this.response_data[1]=this.last_cylinder};
FloppyController.prototype.do_sector=function(a,b){var c=b[2],d=b[1],e=b[3],f=128<<b[4],g=b[5]-b[3]+1,k=((c+this.number_of_heads*d)*this.sectors_per_track+e-1)*f;dbg_log("Floppy "+(a?"Write":"Read"),LOG_FLOPPY);dbg_log("from "+h(k)+" length "+h(g*f),LOG_FLOPPY);dbg_log(d+" / "+c+" / "+e,LOG_FLOPPY);b[4]||dbg_log("FDC: sector count is zero, use data length instead",LOG_FLOPPY);this.fda_image&&(a?this.dma.do_write(this.fda_image,k,g*f,2,this.done.bind(this,b,d,c,e)):this.dma.do_read(this.fda_image,
k,g*f,2,this.done.bind(this,b,d,c,e)))};FloppyController.prototype.done=function(a,b,c,d,e){e||(d++,d>this.sectors_per_track&&(d=1,c++,c>=this.number_of_heads&&(c=0,b++)),this.last_cylinder=b,this.last_head=c,this.last_sector=d,this.response_index=0,this.response_length=7,this.response_data[0]=c<<2|32,this.response_data[1]=0,this.response_data[2]=0,this.response_data[3]=b,this.response_data[4]=c,this.response_data[5]=d,this.response_data[6]=a[4],this.raise_irq())};
FloppyController.prototype.fix_drive_data=function(a){dbg_log("floppy fix drive data "+a,LOG_FLOPPY)};FloppyController.prototype.read_sector_id=function(a){dbg_log("floppy read sector id "+a,LOG_FLOPPY);this.response_index=0;this.response_length=7;this.response_data[0]=0;this.response_data[1]=0;this.response_data[2]=0;this.response_data[3]=0;this.response_data[4]=0;this.response_data[5]=0;this.response_data[6]=0;this.raise_irq()};FloppyController.prototype.raise_irq=function(){this.dor&8&&this.cpu.device_raise_irq(6)};CPU.prototype.mmap_read8=function(a){a=this.memory_map_read8[a>>>MMAP_BLOCK_BITS](a);dbg_assert(0<=a&&255>=a);return a};CPU.prototype.mmap_write8=function(a,b){dbg_assert(0<=b&&255>=b);this.memory_map_write8[a>>>MMAP_BLOCK_BITS](a,b)};CPU.prototype.mmap_read16=function(a){var b=this.memory_map_read8[a>>>MMAP_BLOCK_BITS];a=b(a)|b(a+1|0)<<8;dbg_assert(0<=a&&65535>=a);return a};
CPU.prototype.mmap_write16=function(a,b){var c=this.memory_map_write8[a>>>MMAP_BLOCK_BITS];dbg_assert(0<=b&&65535>=b);c(a,b&255);c(a+1|0,b>>8)};CPU.prototype.mmap_read32=function(a){return this.memory_map_read32[a>>>MMAP_BLOCK_BITS](a)};CPU.prototype.mmap_write32=function(a,b){this.memory_map_write32[a>>>MMAP_BLOCK_BITS](a,b)};CPU.prototype.mmap_write64=function(a,b,c){var d=a>>>MMAP_BLOCK_BITS;dbg_assert(d===a+7>>>MMAP_BLOCK_BITS);d=this.memory_map_write32[d];d(a,b);d(a+4,c)};
CPU.prototype.mmap_write128=function(a,b,c,d,e){var f=a>>>MMAP_BLOCK_BITS;dbg_assert(f===a+12>>>MMAP_BLOCK_BITS);f=this.memory_map_write32[f];f(a,b);f(a+4,c);f(a+8,d);f(a+12,e)};CPU.prototype.write_blob=function(a,b){dbg_assert(a&&0<=a.length);a.length&&(dbg_assert(!this.in_mapped_range(b)),dbg_assert(!this.in_mapped_range(b+a.length-1)),this.jit_dirty_cache(b,b+a.length),this.mem8.set(a,b))};
CPU.prototype.read_blob=function(a,b){b&&(dbg_assert(!this.in_mapped_range(a)),dbg_assert(!this.in_mapped_range(a+b-1)));return this.mem8.subarray(a,a+b)};function DMA(a){this.cpu=a;this.channel_page=new Uint8Array(8);this.channel_pagehi=new Uint8Array(8);this.channel_addr=new Uint16Array(8);this.channel_addr_init=new Uint16Array(8);this.channel_count=new Uint16Array(8);this.channel_count_init=new Uint16Array(8);this.channel_mask=new Uint8Array(8);this.channel_mode=new Uint8Array(8);this.unmask_listeners=[];this.lsb_msb_flipflop=0;a=a.io;a.register_write(0,this,this.port_addr_write.bind(this,0));a.register_write(2,this,this.port_addr_write.bind(this,
1));a.register_write(4,this,this.port_addr_write.bind(this,2));a.register_write(6,this,this.port_addr_write.bind(this,3));a.register_write(1,this,this.port_count_write.bind(this,0));a.register_write(3,this,this.port_count_write.bind(this,1));a.register_write(5,this,this.port_count_write.bind(this,2));a.register_write(7,this,this.port_count_write.bind(this,3));a.register_read(0,this,this.port_addr_read.bind(this,0));a.register_read(2,this,this.port_addr_read.bind(this,1));a.register_read(4,this,this.port_addr_read.bind(this,
2));a.register_read(6,this,this.port_addr_read.bind(this,3));a.register_read(1,this,this.port_count_read.bind(this,0));a.register_read(3,this,this.port_count_read.bind(this,1));a.register_read(5,this,this.port_count_read.bind(this,2));a.register_read(7,this,this.port_count_read.bind(this,3));a.register_write(192,this,this.port_addr_write.bind(this,4));a.register_write(196,this,this.port_addr_write.bind(this,5));a.register_write(200,this,this.port_addr_write.bind(this,6));a.register_write(204,this,
this.port_addr_write.bind(this,7));a.register_write(194,this,this.port_count_write.bind(this,4));a.register_write(198,this,this.port_count_write.bind(this,5));a.register_write(202,this,this.port_count_write.bind(this,6));a.register_write(206,this,this.port_count_write.bind(this,7));a.register_read(192,this,this.port_addr_read.bind(this,4));a.register_read(196,this,this.port_addr_read.bind(this,5));a.register_read(200,this,this.port_addr_read.bind(this,6));a.register_read(204,this,this.port_addr_read.bind(this,
7));a.register_read(194,this,this.port_count_read.bind(this,4));a.register_read(198,this,this.port_count_read.bind(this,5));a.register_read(202,this,this.port_count_read.bind(this,6));a.register_read(206,this,this.port_count_read.bind(this,7));a.register_write(135,this,this.port_page_write.bind(this,0));a.register_write(131,this,this.port_page_write.bind(this,1));a.register_write(129,this,this.port_page_write.bind(this,2));a.register_write(130,this,this.port_page_write.bind(this,3));a.register_write(143,
this,this.port_page_write.bind(this,4));a.register_write(139,this,this.port_page_write.bind(this,5));a.register_write(137,this,this.port_page_write.bind(this,6));a.register_write(138,this,this.port_page_write.bind(this,7));a.register_read(135,this,this.port_page_read.bind(this,0));a.register_read(131,this,this.port_page_read.bind(this,1));a.register_read(129,this,this.port_page_read.bind(this,2));a.register_read(130,this,this.port_page_read.bind(this,3));a.register_read(143,this,this.port_page_read.bind(this,
4));a.register_read(139,this,this.port_page_read.bind(this,5));a.register_read(137,this,this.port_page_read.bind(this,6));a.register_read(138,this,this.port_page_read.bind(this,7));a.register_write(1159,this,this.port_pagehi_write.bind(this,0));a.register_write(1155,this,this.port_pagehi_write.bind(this,1));a.register_write(1153,this,this.port_pagehi_write.bind(this,2));a.register_write(1154,this,this.port_pagehi_write.bind(this,3));a.register_write(1163,this,this.port_pagehi_write.bind(this,5));
a.register_write(1161,this,this.port_pagehi_write.bind(this,6));a.register_write(1162,this,this.port_pagehi_write.bind(this,7));a.register_read(1159,this,this.port_pagehi_read.bind(this,0));a.register_read(1155,this,this.port_pagehi_read.bind(this,1));a.register_read(1153,this,this.port_pagehi_read.bind(this,2));a.register_read(1154,this,this.port_pagehi_read.bind(this,3));a.register_read(1163,this,this.port_pagehi_read.bind(this,5));a.register_read(1161,this,this.port_pagehi_read.bind(this,6));a.register_read(1162,
this,this.port_pagehi_read.bind(this,7));a.register_write(10,this,this.port_singlemask_write.bind(this,0));a.register_write(212,this,this.port_singlemask_write.bind(this,4));a.register_write(15,this,this.port_multimask_write.bind(this,0));a.register_write(222,this,this.port_multimask_write.bind(this,4));a.register_read(15,this,this.port_multimask_read.bind(this,0));a.register_read(222,this,this.port_multimask_read.bind(this,4));a.register_write(11,this,this.port_mode_write.bind(this,0));a.register_write(214,
this,this.port_mode_write.bind(this,4));a.register_write(12,this,this.portC_write);a.register_write(216,this,this.portC_write)}DMA.prototype.get_state=function(){return[this.channel_page,this.channel_pagehi,this.channel_addr,this.channel_addr_init,this.channel_count,this.channel_count_init,this.channel_mask,this.channel_mode,this.lsb_msb_flipflop]};
DMA.prototype.set_state=function(a){this.channel_page=a[0];this.channel_pagehi=a[1];this.channel_addr=a[2];this.channel_addr_init=a[3];this.channel_count=a[4];this.channel_count_init=a[5];this.channel_mask=a[6];this.channel_mode=a[7];this.lsb_msb_flipflop=a[8]};DMA.prototype.port_count_write=function(a,b){dbg_log("count write ["+a+"] = "+h(b),LOG_DMA);this.channel_count[a]=this.flipflop_get(this.channel_count[a],b,!1);this.channel_count_init[a]=this.flipflop_get(this.channel_count_init[a],b,!0)};
DMA.prototype.port_count_read=function(a){dbg_log("count read ["+a+"] -> "+h(this.channel_count[a]),LOG_DMA);return this.flipflop_read(this.channel_count[a])};DMA.prototype.port_addr_write=function(a,b){dbg_log("addr write ["+a+"] = "+h(b),LOG_DMA);this.channel_addr[a]=this.flipflop_get(this.channel_addr[a],b,!1);this.channel_addr_init[a]=this.flipflop_get(this.channel_addr_init[a],b,!0)};DMA.prototype.port_addr_read=function(a){dbg_log("addr read ["+a+"] -> "+h(this.channel_addr[a]),LOG_DMA);return this.flipflop_read(this.channel_addr[a])};
DMA.prototype.port_pagehi_write=function(a,b){dbg_log("pagehi write ["+a+"] = "+h(b),LOG_DMA);this.channel_pagehi[a]=b};DMA.prototype.port_pagehi_read=function(a){dbg_log("pagehi read ["+a+"]",LOG_DMA);return this.channel_pagehi[a]};DMA.prototype.port_page_write=function(a,b){dbg_log("page write ["+a+"] = "+h(b),LOG_DMA);this.channel_page[a]=b};DMA.prototype.port_page_read=function(a){dbg_log("page read ["+a+"]",LOG_DMA);return this.channel_page[a]};
DMA.prototype.port_singlemask_write=function(a,b){a=(b&3)+a;b=b&4?1:0;dbg_log("singlechannel mask write ["+a+"] = "+b,LOG_DMA);this.update_mask(a,b)};DMA.prototype.port_multimask_write=function(a,b){dbg_log("multichannel mask write: "+h(b),LOG_DMA);for(var c=0;4>c;c++)this.update_mask(a+c,b&1<<c)};
DMA.prototype.port_multimask_read=function(a){var b=0|this.channel_mask[a+0];b|=this.channel_mask[a+1]<<1;b|=this.channel_mask[a+2]<<2;b|=this.channel_mask[a+3]<<3;dbg_log("multichannel mask read: "+h(b),LOG_DMA);return b};DMA.prototype.port_mode_write=function(a,b){a=(b&3)+a;dbg_log("mode write ["+a+"] = "+h(b),LOG_DMA);this.channel_mode[a]=b};DMA.prototype.portC_write=function(a){dbg_log("flipflop reset",LOG_DMA);this.lsb_msb_flipflop=0};
DMA.prototype.on_unmask=function(a,b){this.unmask_listeners.push({fn:a,this_value:b})};DMA.prototype.update_mask=function(a,b){if(this.channel_mask[a]!==b&&(this.channel_mask[a]=b,!b))for(dbg_log("firing on_unmask("+a+")",LOG_DMA),b=0;b<this.unmask_listeners.length;b++)this.unmask_listeners[b].fn.call(this.unmask_listeners[b].this_value,a)};
DMA.prototype.do_read=function(a,b,c,d,e){var f=this.count_get_8bit(d),g=this.address_get_8bit(d);dbg_log("DMA write channel "+d,LOG_DMA);dbg_log("to "+h(g)+" len "+h(f),LOG_DMA);c<f&&dbg_log("DMA should read more than provided: "+h(c)+" "+h(f),LOG_DMA);if(b+f>a.byteLength)dbg_log("DMA read outside of buffer",LOG_DMA),e(!0);else{var k=this.cpu;this.channel_addr[d]+=f;a.get(b,f,function(l){k.write_blob(l,g);e(!1)})}};
DMA.prototype.do_write=function(a,b,c,d,e){var f=this.channel_count[d]+1&65535,g=5<=d?2:1,k=f*g,l=this.address_get_8bit(d),m=!1,n=!1,p=this.channel_mode[d]&16;dbg_log("DMA write channel "+d,LOG_DMA);dbg_log("to "+h(l)+" len "+h(k),LOG_DMA);c<k?(dbg_log("DMA should read more than provided",LOG_DMA),f=Math.floor(c/g),k=f*g,m=!0):c>k&&(dbg_log("DMA attempted to read more than provided",LOG_DMA),n=!0);b+k>a.byteLength?(dbg_log("DMA write outside of buffer",LOG_DMA),e(!0)):(this.channel_addr[d]+=f,this.channel_count[d]-=
f,!m&&p&&(dbg_log("DMA autoinit",LOG_DMA),this.channel_addr[d]=this.channel_addr_init[d],this.channel_count[d]=this.channel_count_init[d]),a.set(b,this.cpu.mem8.subarray(l,l+k),()=>{n&&p?(dbg_log("DMA continuing from start",LOG_DMA),this.do_write(a,b+k,c-k,d,e)):e(!1)}))};DMA.prototype.address_get_8bit=function(a){var b=this.channel_addr[a];5<=a&&(b<<=1);b=b&65535|this.channel_page[a]<<16;return b|=this.channel_pagehi[a]<<24};
DMA.prototype.count_get_8bit=function(a){var b=this.channel_count[a]+1;5<=a&&(b*=2);return b};DMA.prototype.flipflop_get=function(a,b,c){c||(this.lsb_msb_flipflop^=1);return this.lsb_msb_flipflop?a&-256|b:a&-65281|b<<8};DMA.prototype.flipflop_read=function(a){return(this.lsb_msb_flipflop^=1)?a&255:a>>8&255};var OSCILLATOR_FREQ=1193.1816666;
function PIT(a,b){this.cpu=a;this.bus=b;this.counter_start_time=new Float64Array(3);this.counter_start_value=new Uint16Array(3);this.counter_next_low=new Uint8Array(4);this.counter_enabled=new Uint8Array(4);this.counter_mode=new Uint8Array(4);this.counter_read_mode=new Uint8Array(4);this.counter_latch=new Uint8Array(4);this.counter_latch_value=new Uint16Array(3);this.counter_reload=new Uint16Array(3);a.io.register_read(97,this,function(){var c=v86.microtick(),d=66.66666666666667*c&1;c=this.did_rollover(2,
c);return d<<4|c<<5});a.io.register_write(97,this,function(c){c&1?this.bus.send("pcspeaker-enable"):this.bus.send("pcspeaker-disable")});a.io.register_read(64,this,function(){return this.counter_read(0)});a.io.register_read(65,this,function(){return this.counter_read(1)});a.io.register_read(66,this,function(){return this.counter_read(2)});a.io.register_write(64,this,function(c){this.counter_write(0,c)});a.io.register_write(65,this,function(c){this.counter_write(1,c)});a.io.register_write(66,this,
function(c){this.counter_write(2,c);this.bus.send("pcspeaker-update",[this.counter_mode[2],this.counter_reload[2]])});a.io.register_write(67,this,this.port43_write)}PIT.prototype.get_state=function(){var a=[];a[0]=this.counter_next_low;a[1]=this.counter_enabled;a[2]=this.counter_mode;a[3]=this.counter_read_mode;a[4]=this.counter_latch;a[5]=this.counter_latch_value;a[6]=this.counter_reload;a[7]=this.counter_start_time;a[8]=this.counter_start_value;return a};
PIT.prototype.set_state=function(a){this.counter_next_low=a[0];this.counter_enabled=a[1];this.counter_mode=a[2];this.counter_read_mode=a[3];this.counter_latch=a[4];this.counter_latch_value=a[5];this.counter_reload=a[6];this.counter_start_time=a[7];this.counter_start_value=a[8]};
PIT.prototype.timer=function(a,b){var c=100;b||(this.counter_enabled[0]&&this.did_rollover(0,a)?(this.counter_start_value[0]=this.get_counter_value(0,a),this.counter_start_time[0]=a,dbg_log("pit interrupt. new value: "+this.counter_start_value[0],LOG_PIT),this.cpu.device_lower_irq(0),this.cpu.device_raise_irq(0),0===this.counter_mode[0]&&(this.counter_enabled[0]=0)):this.cpu.device_lower_irq(0),this.counter_enabled[0]&&(c=(this.counter_start_value[0]-Math.floor((a-this.counter_start_time[0])*OSCILLATOR_FREQ))/
OSCILLATOR_FREQ));return c};PIT.prototype.get_counter_value=function(a,b){if(!this.counter_enabled[a])return 0;var c=b-this.counter_start_time[a],d=Math.floor(c*OSCILLATOR_FREQ);b=this.counter_start_value[a]-d;dbg_log("diff="+c+" dticks="+d+" value="+b+" reload="+this.counter_reload[a],LOG_PIT);c=this.counter_reload[a];b>=c?(dbg_log("Warning: Counter"+a+" value "+b+" is larger than reload "+c,LOG_PIT),b%=c):0>b&&(b=b%c+c);return b};
PIT.prototype.did_rollover=function(a,b){b-=this.counter_start_time[a];return 0>b?(dbg_log("Warning: PIT timer difference is negative, resetting (timer "+a+")"),!0):this.counter_start_value[a]<Math.floor(b*OSCILLATOR_FREQ)};
PIT.prototype.counter_read=function(a){var b=this.counter_latch[a];if(b)return this.counter_latch[a]--,2===b?this.counter_latch_value[a]&255:this.counter_latch_value[a]>>8;b=this.counter_next_low[a];3===this.counter_mode[a]&&(this.counter_next_low[a]^=1);a=this.get_counter_value(a,v86.microtick());return b?a&255:a>>8};
PIT.prototype.counter_write=function(a,b){this.counter_reload[a]=this.counter_next_low[a]?this.counter_reload[a]&-256|b:this.counter_reload[a]&255|b<<8;3===this.counter_read_mode[a]&&this.counter_next_low[a]||(this.counter_reload[a]||(this.counter_reload[a]=65535),this.counter_start_value[a]=this.counter_reload[a],this.counter_enabled[a]=!0,this.counter_start_time[a]=v86.microtick(),dbg_log("counter"+a+" reload="+h(this.counter_reload[a])+" tick="+(this.counter_reload[a]||65536)/OSCILLATOR_FREQ+"ms",
LOG_PIT));3===this.counter_read_mode[a]&&(this.counter_next_low[a]^=1)};
PIT.prototype.port43_write=function(a){var b=a>>1&7,c=a&1,d=a>>6&3;a=a>>4&3;1===d&&dbg_log("Unimplemented timer1",LOG_PIT);3===d?dbg_log("Unimplemented read back",LOG_PIT):0===a?(this.counter_latch[d]=2,b=this.get_counter_value(d,v86.microtick()),dbg_log("latch: "+b,LOG_PIT),this.counter_latch_value[d]=b?b-1:0):(6<=b&&(b&=-5),dbg_log("Control: mode="+b+" ctr="+d+" read_mode="+a+" bcd="+c,LOG_PIT),this.counter_next_low[d]=1===a?0:1,0===d&&this.cpu.device_lower_irq(0),0!==b&&3!==b&&2!==b&&dbg_log("Unimplemented counter mode: "+
h(b),LOG_PIT),this.counter_mode[d]=b,this.counter_read_mode[d]=a,2===d&&this.bus.send("pcspeaker-update",[this.counter_mode[2],this.counter_reload[2]]))};PIT.prototype.dump=function(){const a=this.counter_reload[0];dbg_log("counter0 ticks every "+(a||65536)/OSCILLATOR_FREQ+"ms (reload="+a+")")};var VGA_BANK_SIZE=65536,MAX_XRES=2560,MAX_YRES=1600,MAX_BPP=32,VGA_LFB_ADDRESS=3758096384,VGA_PIXEL_BUFFER_SIZE=8*VGA_BANK_SIZE,VGA_MIN_MEMORY_SIZE=4*VGA_BANK_SIZE,VGA_HOST_MEMORY_SPACE_START=Uint32Array.from([655360,655360,720896,753664]),VGA_HOST_MEMORY_SPACE_SIZE=Uint32Array.from([131072,65536,32768,32768]);
function VGAScreen(a,b,c){this.cpu=a;this.bus=b;this.vga_memory_size=c;this.cursor_address=0;this.cursor_scanline_start=14;this.cursor_scanline_end=15;this.max_cols=80;this.max_rows=25;this.virtual_height=this.virtual_width=this.screen_height=this.screen_width=0;this.layers=[];this.start_address_latched=this.start_address=0;this.crtc=new Uint8Array(25);this.line_compare=this.offset_register=this.preset_row_scan=this.underline_location_register=this.vertical_blank_start=this.vertical_display_enable_end=
this.horizontal_blank_start=this.horizontal_display_enable_end=this.crtc_mode=0;this.graphical_mode_is_linear=!0;this.graphical_mode=!1;setTimeout(()=>{b.send("screen-set-mode",this.graphical_mode)},0);this.vga256_palette=new Int32Array(256);this.svga_height=this.svga_width=this.latch_dword=0;this.svga_enabled=!1;this.svga_bpp=32;this.svga_offset=this.svga_bank_offset=0;this.pci_space=[52,18,17,17,3,1,0,0,0,0,0,3,0,0,0,0,8,VGA_LFB_ADDRESS>>>8,VGA_LFB_ADDRESS>>>16,VGA_LFB_ADDRESS>>>24,0,0,0,0,0,0,
191,254,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,244,26,0,17,0,0,190,254,0,0,0,0,0,0,0,0,0,0,0,0];this.pci_id=144;this.pci_bars=[{size:c}];this.pci_rom_size=65536;this.pci_rom_address=4272947200;this.name="vga";this.stats={is_graphical:!1,res_x:0,res_y:0,bpp:0};this.dac_state=this.dac_color_index_read=this.dac_color_index_write=this.index_crtc=0;this.dac_mask=255;this.dac_map=new Uint8Array(16);this.attribute_controller_index=-1;this.palette_source=32;this.color_select=this.horizontal_panning=this.color_plane_enable=
this.attribute_mode=0;this.sequencer_index=-1;this.plane_write_bm=15;this.clocking_mode=this.sequencer_memory_mode=0;this.graphics_index=-1;this.planar_rotate_reg=this.planar_mode=this.plane_read=0;this.planar_bitmap=255;this.max_scan_line=this.color_dont_care=this.color_compare=this.miscellaneous_graphics_register=this.planar_setreset_enable=this.planar_setreset=0;this.port_3DA_value=this.miscellaneous_output_register=255;c=a.io;c.register_write(960,this,this.port3C0_write);c.register_read(960,this,
this.port3C0_read,this.port3C0_read16);c.register_read(961,this,this.port3C1_read);c.register_write(962,this,this.port3C2_write);c.register_write_consecutive(964,this,this.port3C4_write,this.port3C5_write);c.register_read(964,this,this.port3C4_read);c.register_read(965,this,this.port3C5_read);c.register_write_consecutive(974,this,this.port3CE_write,this.port3CF_write);c.register_read(974,this,this.port3CE_read);c.register_read(975,this,this.port3CF_read);c.register_read(966,this,this.port3C6_read);
c.register_write(966,this,this.port3C6_write);c.register_write(967,this,this.port3C7_write);c.register_read(967,this,this.port3C7_read);c.register_write(968,this,this.port3C8_write);c.register_read(968,this,this.port3C8_read);c.register_write(969,this,this.port3C9_write);c.register_read(969,this,this.port3C9_read);c.register_read(972,this,this.port3CC_read);c.register_write_consecutive(980,this,this.port3D4_write,this.port3D5_write);c.register_read(980,this,this.port3D4_read);c.register_read(981,
this,this.port3D5_read,()=>{dbg_log("Warning: 16-bit read from 3D5",LOG_VGA);return this.port3D5_read()});c.register_read(970,this,function(){dbg_log("3CA read",LOG_VGA);return 0});c.register_read(986,this,this.port3DA_read);c.register_read(954,this,this.port3DA_read);this.dispi_index=-1;this.dispi_enable_value=0;c.register_write(462,this,void 0,this.port1CE_write);c.register_write(463,this,void 0,this.port1CF_write);c.register_read(463,this,void 0,this.port1CF_read);void 0===this.vga_memory_size||
this.vga_memory_size<VGA_MIN_MEMORY_SIZE?(this.vga_memory_size=VGA_MIN_MEMORY_SIZE,dbg_log("vga memory size rounded up to "+this.vga_memory_size,LOG_VGA)):this.vga_memory_size&VGA_BANK_SIZE-1&&(this.vga_memory_size|=VGA_BANK_SIZE-1,this.vga_memory_size++);const d=a.svga_allocate_memory(this.vga_memory_size);this.svga_memory=v86util.view(Uint8Array,a.wasm_memory,d,this.vga_memory_size);this.diff_addr_min=this.vga_memory_size;this.diff_addr_max=0;this.diff_plot_min=this.vga_memory_size;this.diff_plot_max=
0;this.image_data=null;b.register("screen-fill-buffer",function(){this.screen_fill_buffer()},this);this.vga_memory=new Uint8Array(4*VGA_BANK_SIZE);this.plane0=new Uint8Array(this.vga_memory.buffer,0*VGA_BANK_SIZE,VGA_BANK_SIZE);this.plane1=new Uint8Array(this.vga_memory.buffer,1*VGA_BANK_SIZE,VGA_BANK_SIZE);this.plane2=new Uint8Array(this.vga_memory.buffer,2*VGA_BANK_SIZE,VGA_BANK_SIZE);this.plane3=new Uint8Array(this.vga_memory.buffer,3*VGA_BANK_SIZE,VGA_BANK_SIZE);this.pixel_buffer=new Uint8Array(VGA_PIXEL_BUFFER_SIZE);
var e=this;c.mmap_register(655360,131072,function(f){return e.vga_memory_read(f)},function(f,g){e.vga_memory_write(f,g)});a.devices.pci.register_device(this)}
VGAScreen.prototype.get_state=function(){var a=[];a[0]=this.vga_memory_size;a[1]=this.cursor_address;a[2]=this.cursor_scanline_start;a[3]=this.cursor_scanline_end;a[4]=this.max_cols;a[5]=this.max_rows;a[6]=this.vga_memory;a[7]=this.dac_state;a[8]=this.start_address;a[9]=this.graphical_mode;a[10]=this.vga256_palette;a[11]=this.latch_dword;a[12]=this.color_compare;a[13]=this.color_dont_care;a[14]=this.miscellaneous_graphics_register;a[15]=this.svga_width;a[16]=this.svga_height;a[17]=this.crtc_mode;
a[18]=this.svga_enabled;a[19]=this.svga_bpp;a[20]=this.svga_bank_offset;a[21]=this.svga_offset;a[22]=this.index_crtc;a[23]=this.dac_color_index_write;a[24]=this.dac_color_index_read;a[25]=this.dac_map;a[26]=this.sequencer_index;a[27]=this.plane_write_bm;a[28]=this.sequencer_memory_mode;a[29]=this.graphics_index;a[30]=this.plane_read;a[31]=this.planar_mode;a[32]=this.planar_rotate_reg;a[33]=this.planar_bitmap;a[34]=this.max_scan_line;a[35]=this.miscellaneous_output_register;a[36]=this.port_3DA_value;
a[37]=this.dispi_index;a[38]=this.dispi_enable_value;a[39]=this.svga_memory;a[40]=this.graphical_mode_is_linear;a[41]=this.attribute_controller_index;a[42]=this.offset_register;a[43]=this.planar_setreset;a[44]=this.planar_setreset_enable;a[45]=this.start_address_latched;a[46]=this.crtc;a[47]=this.horizontal_display_enable_end;a[48]=this.horizontal_blank_start;a[49]=this.vertical_display_enable_end;a[50]=this.vertical_blank_start;a[51]=this.underline_location_register;a[52]=this.preset_row_scan;a[53]=
this.offset_register;a[54]=this.palette_source;a[55]=this.attribute_mode;a[56]=this.color_plane_enable;a[57]=this.horizontal_panning;a[58]=this.color_select;a[59]=this.clocking_mode;a[60]=this.line_compare;a[61]=this.pixel_buffer;a[62]=this.dac_mask;return a};
VGAScreen.prototype.set_state=function(a){this.vga_memory_size=a[0];this.cursor_address=a[1];this.cursor_scanline_start=a[2];this.cursor_scanline_end=a[3];this.max_cols=a[4];this.max_rows=a[5];a[6]&&this.vga_memory.set(a[6]);this.dac_state=a[7];this.start_address=a[8];this.graphical_mode=a[9];this.vga256_palette=a[10];this.latch_dword=a[11];this.color_compare=a[12];this.color_dont_care=a[13];this.miscellaneous_graphics_register=a[14];this.svga_width=a[15];this.svga_height=a[16];this.crtc_mode=a[17];
this.svga_enabled=a[18];this.svga_bpp=a[19];this.svga_bank_offset=a[20];this.svga_offset=a[21];this.index_crtc=a[22];this.dac_color_index_write=a[23];this.dac_color_index_read=a[24];this.dac_map=a[25];this.sequencer_index=a[26];this.plane_write_bm=a[27];this.sequencer_memory_mode=a[28];this.graphics_index=a[29];this.plane_read=a[30];this.planar_mode=a[31];this.planar_rotate_reg=a[32];this.planar_bitmap=a[33];this.max_scan_line=a[34];this.miscellaneous_output_register=a[35];this.port_3DA_value=a[36];
this.dispi_index=a[37];this.dispi_enable_value=a[38];this.svga_memory.set(a[39]);this.graphical_mode_is_linear=a[40];this.attribute_controller_index=a[41];this.offset_register=a[42];this.planar_setreset=a[43];this.planar_setreset_enable=a[44];this.start_address_latched=a[45];this.crtc.set(a[46]);this.horizontal_display_enable_end=a[47];this.horizontal_blank_start=a[48];this.vertical_display_enable_end=a[49];this.vertical_blank_start=a[50];this.underline_location_register=a[51];this.preset_row_scan=
a[52];this.offset_register=a[53];this.palette_source=a[54];this.attribute_mode=a[55];this.color_plane_enable=a[56];this.horizontal_panning=a[57];this.color_select=a[58];this.clocking_mode=a[59];this.line_compare=a[60];a[61]&&this.pixel_buffer.set(a[61]);this.dac_mask=void 0===a[62]?255:a[62];this.bus.send("screen-set-mode",this.graphical_mode);this.graphical_mode?(this.screen_height=this.screen_width=0,this.svga_enabled?(this.set_size_graphical(this.svga_width,this.svga_height,this.svga_bpp,this.svga_width,
this.svga_height),this.update_layers()):(this.update_vga_size(),this.update_layers(),this.complete_replot())):(this.set_size_text(this.max_cols,this.max_rows),this.update_cursor_scanline(),this.update_cursor());this.complete_redraw()};
VGAScreen.prototype.vga_memory_read=function(a){if(this.svga_enabled&&this.graphical_mode_is_linear)return this.cpu.read8((a-655360|this.svga_bank_offset)+VGA_LFB_ADDRESS|0);var b=this.miscellaneous_graphics_register>>2&3;a-=VGA_HOST_MEMORY_SPACE_START[b];if(0>a||a>=VGA_HOST_MEMORY_SPACE_SIZE[b])return dbg_log("vga read outside memory space: addr:"+h(a),LOG_VGA),0;this.latch_dword=this.plane0[a];this.latch_dword|=this.plane1[a]<<8;this.latch_dword|=this.plane2[a]<<16;this.latch_dword|=this.plane3[a]<<
24;if(this.planar_mode&8)return b=255,this.color_dont_care&1&&(b&=this.plane0[a]^~(this.color_compare&1?255:0)),this.color_dont_care&2&&(b&=this.plane1[a]^~(this.color_compare&2?255:0)),this.color_dont_care&4&&(b&=this.plane2[a]^~(this.color_compare&4?255:0)),this.color_dont_care&8&&(b&=this.plane3[a]^~(this.color_compare&8?255:0)),b;b=this.plane_read;this.graphical_mode?this.sequencer_memory_mode&8?(b=a&3,a&=-4):this.planar_mode&16&&(b=a&1,a&=-2):b=0;return this.vga_memory[b<<16|a]};
VGAScreen.prototype.vga_memory_write=function(a,b){if(this.svga_enabled&&this.graphical_mode&&this.graphical_mode_is_linear)this.cpu.write8((a-655360|this.svga_bank_offset)+VGA_LFB_ADDRESS|0,b);else{var c=this.miscellaneous_graphics_register>>2&3;a-=VGA_HOST_MEMORY_SPACE_START[c];0>a||a>=VGA_HOST_MEMORY_SPACE_SIZE[c]?dbg_log("vga write outside memory space: addr:"+h(a)+", value:"+h(b),LOG_VGA):this.graphical_mode?this.vga_memory_write_graphical(a,b):this.plane_write_bm&3&&this.vga_memory_write_text_mode(a,
b)}};
VGAScreen.prototype.vga_memory_write_graphical=function(a,b){var c=this.planar_mode&3,d=this.apply_feed(this.planar_bitmap),e=this.apply_expand(this.planar_setreset),f=this.apply_expand(this.planar_setreset_enable);switch(c){case 0:b=this.apply_rotate(b);var g=this.apply_feed(b);g=this.apply_setreset(g,f);g=this.apply_logical(g,this.latch_dword);g=this.apply_bitmask(g,d);break;case 1:g=this.latch_dword;break;case 2:g=this.apply_expand(b);g=this.apply_logical(g,this.latch_dword);g=this.apply_bitmask(g,d);
break;case 3:b=this.apply_rotate(b),d&=this.apply_feed(b),g=this.apply_bitmask(e,d)}b=15;switch(this.sequencer_memory_mode&12){case 0:b=5<<(a&1);a&=-2;break;case 8:case 12:b=1<<(a&3),a&=-4}b&=this.plane_write_bm;b&1&&(this.plane0[a]=g>>0&255);b&2&&(this.plane1[a]=g>>8&255);b&4&&(this.plane2[a]=g>>16&255);b&8&&(this.plane3[a]=g>>24&255);a=this.vga_addr_to_pixel(a);this.partial_replot(a,a+7)};VGAScreen.prototype.apply_feed=function(a){return a|a<<8|a<<16|a<<24};
VGAScreen.prototype.apply_expand=function(a){return(a&1?255:0)|(a&2?255:0)<<8|(a&4?255:0)<<16|(a&8?255:0)<<24};VGAScreen.prototype.apply_rotate=function(a){return(a|a<<8)>>>(this.planar_rotate_reg&7)&255};VGAScreen.prototype.apply_setreset=function(a,b){var c=this.apply_expand(this.planar_setreset);return(a|b&c)&(~b|c)};VGAScreen.prototype.apply_logical=function(a,b){switch(this.planar_rotate_reg&24){case 8:return a&b;case 16:return a|b;case 24:return a^b}return a};
VGAScreen.prototype.apply_bitmask=function(a,b){return b&a|~b&this.latch_dword};VGAScreen.prototype.text_mode_redraw=function(){for(var a=this.start_address<<1,b,c,d=0;d<this.max_rows;d++)for(var e=0;e<this.max_cols;e++)b=this.vga_memory[a],c=this.vga_memory[a|1],this.bus.send("screen-put-char",[d,e,b,this.vga256_palette[this.dac_mask&this.dac_map[c>>4&15]],this.vga256_palette[this.dac_mask&this.dac_map[c&15]]]),a+=2};
VGAScreen.prototype.vga_memory_write_text_mode=function(a,b){var c=(a>>1)-this.start_address,d=c/this.max_cols|0;c%=this.max_cols;if(a&1){var e=b;var f=this.vga_memory[a&-2]}else f=b,e=this.vga_memory[a|1];this.bus.send("screen-put-char",[d,c,f,this.vga256_palette[this.dac_mask&this.dac_map[e>>4&15]],this.vga256_palette[this.dac_mask&this.dac_map[e&15]]]);this.vga_memory[a]=b};
VGAScreen.prototype.update_cursor=function(){var a=(this.cursor_address-this.start_address)/this.max_cols|0,b=(this.cursor_address-this.start_address)%this.max_cols;a=Math.min(this.max_rows-1,a);this.bus.send("screen-update-cursor",[a,b])};VGAScreen.prototype.complete_redraw=function(){dbg_log("complete redraw",LOG_VGA);this.graphical_mode?this.svga_enabled?this.cpu.svga_mark_dirty():(this.diff_addr_min=0,this.diff_addr_max=VGA_PIXEL_BUFFER_SIZE):this.text_mode_redraw()};
VGAScreen.prototype.complete_replot=function(){dbg_log("complete replot",LOG_VGA);this.graphical_mode&&!this.svga_enabled&&(this.diff_plot_min=0,this.diff_plot_max=VGA_PIXEL_BUFFER_SIZE,this.complete_redraw())};VGAScreen.prototype.partial_redraw=function(a,b){a<this.diff_addr_min&&(this.diff_addr_min=a);b>this.diff_addr_max&&(this.diff_addr_max=b)};
VGAScreen.prototype.partial_replot=function(a,b){a<this.diff_plot_min&&(this.diff_plot_min=a);b>this.diff_plot_max&&(this.diff_plot_max=b);this.partial_redraw(a,b)};VGAScreen.prototype.reset_diffs=function(){this.diff_addr_min=this.vga_memory_size;this.diff_addr_max=0;this.diff_plot_min=this.vga_memory_size;this.diff_plot_max=0};VGAScreen.prototype.destroy=function(){};
VGAScreen.prototype.vga_bytes_per_line=function(){var a=this.offset_register<<2;this.underline_location_register&64?a<<=1:this.crtc_mode&64&&(a>>>=1);return a};VGAScreen.prototype.vga_addr_shift_count=function(){var a=128+(~this.underline_location_register&this.crtc_mode&64);a-=this.underline_location_register&64;a-=this.attribute_mode&64;return a>>>6};
VGAScreen.prototype.vga_addr_to_pixel=function(a){var b=this.vga_addr_shift_count();if(~this.crtc_mode&3){var c=a-this.start_address;c&=this.crtc_mode<<13|-24577;c<<=b;var d=c/this.virtual_width|0;c%=this.virtual_width;switch(this.crtc_mode&3){case 2:d=d<<1|a>>13&1;break;case 1:d=d<<1|a>>14&1;break;case 0:d=d<<2|a>>13&3}return d*this.virtual_width+c+(this.start_address<<b)}return a<<b};
VGAScreen.prototype.scan_line_to_screen_row=function(a){this.max_scan_line&128&&(a>>>=1);a=Math.ceil(a/(1+(this.max_scan_line&31)));this.crtc_mode&1||(a<<=1);this.crtc_mode&2||(a<<=1);return a};VGAScreen.prototype.set_size_text=function(a,b){this.max_cols=a;this.max_rows=b;this.bus.send("screen-set-size-text",[a,b])};
VGAScreen.prototype.set_size_graphical=function(a,b,c,d,e){if(!this.stats.is_graphical||this.stats.bpp!==c||this.screen_width!==a||this.screen_height!==b||this.virtual_width!==d||this.virtual_height!==e){this.screen_width=a;this.screen_height=b;this.virtual_width=d;this.virtual_height=e;this.stats.bpp=c;this.stats.is_graphical=!0;this.stats.res_x=a;this.stats.res_y=b;if("undefined"!==typeof ImageData){const f=d*e,g=this.cpu.svga_allocate_dest_buffer(f)>>>0;this.dest_buffet_offset=g;this.image_data=
new ImageData(new Uint8ClampedArray(this.cpu.wasm_memory.buffer,g,4*f),d,e);this.cpu.svga_mark_dirty()}this.bus.send("screen-set-size-graphical",[a,b,d,e,c])}};
VGAScreen.prototype.update_vga_size=function(){if(!this.svga_enabled){var a=Math.min(1+this.horizontal_display_enable_end,this.horizontal_blank_start),b=Math.min(1+this.vertical_display_enable_end,this.vertical_blank_start);if(a&&b)if(this.graphical_mode){a<<=3;var c=this.offset_register<<4;this.attribute_mode&64&&(a>>>=1,c>>>=1);b=this.scan_line_to_screen_row(b);var d=Math.ceil(VGA_HOST_MEMORY_SPACE_SIZE[0]/this.vga_bytes_per_line());this.set_size_graphical(a,b,8,c,d);this.update_vertical_retrace();
this.update_layers()}else this.max_scan_line&128&&(b>>>=1),c=b/(1+(this.max_scan_line&31))|0,a&&c&&this.set_size_text(a,c)}};
VGAScreen.prototype.update_layers=function(){this.graphical_mode||this.text_mode_redraw();if(this.svga_enabled)this.layers=[];else if(this.virtual_width&&this.screen_width)if(!this.palette_source||this.clocking_mode&32)this.layers=[],this.bus.send("screen-clear");else{var a=this.start_address_latched,b=this.horizontal_panning;this.attribute_mode&64&&(b>>>=1);var c=this.preset_row_scan>>5&3,d=this.vga_addr_to_pixel(a+c);a=d/this.virtual_width|0;var e=d%this.virtual_width+b;d=this.scan_line_to_screen_row(1+
this.line_compare);d=Math.min(d,this.screen_height);var f=this.screen_height-d;this.layers=[];e=-e;for(var g=0;e<this.screen_width;e+=this.virtual_width,g++)this.layers.push({image_data:this.image_data,screen_x:e,screen_y:0,buffer_x:0,buffer_y:a+g,buffer_width:this.virtual_width,buffer_height:d});a=0;this.attribute_mode&32||(a=this.vga_addr_to_pixel(c)+b);e=-a;for(g=0;e<this.screen_width;e+=this.virtual_width,g++)this.layers.push({image_data:this.image_data,screen_x:e,screen_y:d,buffer_x:0,buffer_y:g,
buffer_width:this.virtual_width,buffer_height:f})}};VGAScreen.prototype.update_vertical_retrace=function(){this.port_3DA_value|=8;this.start_address_latched!==this.start_address&&(this.start_address_latched=this.start_address,this.update_layers())};VGAScreen.prototype.update_cursor_scanline=function(){this.bus.send("screen-update-cursor-scanline",[this.cursor_scanline_start,this.cursor_scanline_end])};
VGAScreen.prototype.port3C0_write=function(a){if(-1===this.attribute_controller_index)dbg_log("attribute controller index register: "+h(a),LOG_VGA),this.attribute_controller_index=a&31,dbg_log("attribute actual index: "+h(this.attribute_controller_index),LOG_VGA),this.palette_source!==(a&32)&&(this.palette_source=a&32,this.update_layers());else{if(16>this.attribute_controller_index)dbg_log("internal palette: "+h(this.attribute_controller_index)+" -> "+h(a),LOG_VGA),this.dac_map[this.attribute_controller_index]=
a,this.attribute_mode&64||this.complete_redraw();else switch(this.attribute_controller_index){case 16:dbg_log("3C0 / attribute mode control: "+h(a),LOG_VGA);if(this.attribute_mode!==a){var b=this.attribute_mode;this.attribute_mode=a;var c=0<(a&1);this.svga_enabled||this.graphical_mode===c||(this.graphical_mode=c,this.bus.send("screen-set-mode",this.graphical_mode));(b^a)&64&&this.complete_replot();this.update_vga_size();this.complete_redraw()}break;case 18:dbg_log("3C0 / color plane enable: "+h(a),
LOG_VGA);this.color_plane_enable!==a&&(this.color_plane_enable=a,this.complete_redraw());break;case 19:dbg_log("3C0 / horizontal panning: "+h(a),LOG_VGA);this.horizontal_panning!==a&&(this.horizontal_panning=a&15,this.update_layers());break;case 20:dbg_log("3C0 / color select: "+h(a),LOG_VGA);this.color_select!==a&&(this.color_select=a,this.complete_redraw());break;default:dbg_log("3C0 / attribute controller write "+h(this.attribute_controller_index)+": "+h(a),LOG_VGA)}this.attribute_controller_index=
-1}};VGAScreen.prototype.port3C0_read=function(){dbg_log("3C0 read",LOG_VGA);return this.attribute_controller_index|this.palette_source};VGAScreen.prototype.port3C0_read16=function(){dbg_log("3C0 read16",LOG_VGA);return this.port3C0_read()&255|this.port3C1_read()<<8&65280};
VGAScreen.prototype.port3C1_read=function(){if(16>this.attribute_controller_index)return dbg_log("3C1 / internal palette read: "+h(this.attribute_controller_index)+" -> "+h(this.dac_map[this.attribute_controller_index]),LOG_VGA),this.dac_map[this.attribute_controller_index]&255;switch(this.attribute_controller_index){case 16:return dbg_log("3C1 / attribute mode read: "+h(this.attribute_mode),LOG_VGA),this.attribute_mode;case 18:return dbg_log("3C1 / color plane enable read: "+h(this.color_plane_enable),
LOG_VGA),this.color_plane_enable;case 19:return dbg_log("3C1 / horizontal panning read: "+h(this.horizontal_panning),LOG_VGA),this.horizontal_panning;case 20:return dbg_log("3C1 / color select read: "+h(this.color_select),LOG_VGA),this.color_select;default:dbg_log("3C1 / attribute controller read "+h(this.attribute_controller_index),LOG_VGA)}return 255};VGAScreen.prototype.port3C2_write=function(a){dbg_log("3C2 / miscellaneous output register = "+h(a),LOG_VGA);this.miscellaneous_output_register=a};
VGAScreen.prototype.port3C4_write=function(a){this.sequencer_index=a};VGAScreen.prototype.port3C4_read=function(){return this.sequencer_index};
VGAScreen.prototype.port3C5_write=function(a){switch(this.sequencer_index){case 1:dbg_log("clocking mode: "+h(a),LOG_VGA);var b=this.clocking_mode;this.clocking_mode=a;(b^a)&32&&this.update_layers();break;case 2:dbg_log("plane write mask: "+h(a),LOG_VGA);this.plane_write_bm=a;break;case 4:dbg_log("sequencer memory mode: "+h(a),LOG_VGA);this.sequencer_memory_mode=a;break;default:dbg_log("3C5 / sequencer write "+h(this.sequencer_index)+": "+h(a),LOG_VGA)}};
VGAScreen.prototype.port3C5_read=function(){dbg_log("3C5 / sequencer read "+h(this.sequencer_index),LOG_VGA);switch(this.sequencer_index){case 1:return this.clocking_mode;case 2:return this.plane_write_bm;case 4:return this.sequencer_memory_mode;case 6:return 18}return 0};VGAScreen.prototype.port3C6_write=function(a){this.dac_mask=a};VGAScreen.prototype.port3C6_read=function(){return this.dac_mask};
VGAScreen.prototype.port3C7_write=function(a){dbg_log("3C7 write: "+h(a),LOG_VGA);this.dac_color_index_read=3*a;this.dac_state&=0};VGAScreen.prototype.port3C7_read=function(){return this.dac_state};VGAScreen.prototype.port3C8_write=function(a){this.dac_color_index_write=3*a;this.dac_state|=3};VGAScreen.prototype.port3C8_read=function(){return this.dac_color_index_write/3&255};
VGAScreen.prototype.port3C9_write=function(a){var b=this.dac_color_index_write/3|0,c=this.dac_color_index_write%3,d=this.vga256_palette[b];if(0===(this.dispi_enable_value&32)){a&=63;const e=a&1;a=a<<2|e<<1|e}0===c?d=d&-16711681|a<<16:1===c?d=d&-65281|a<<8:(d=d&-256|a,dbg_log("dac set color, index="+h(b)+" value="+h(d),LOG_VGA));this.vga256_palette[b]!==d&&(this.vga256_palette[b]=d,this.complete_redraw());this.dac_color_index_write++};
VGAScreen.prototype.port3C9_read=function(){dbg_log("3C9 read",LOG_VGA);var a=this.vga256_palette[this.dac_color_index_read/3|0]>>8*(2-this.dac_color_index_read%3)&255;this.dac_color_index_read++;return this.dispi_enable_value&32?a:a>>2};VGAScreen.prototype.port3CC_read=function(){dbg_log("3CC read",LOG_VGA);return this.miscellaneous_output_register};VGAScreen.prototype.port3CE_write=function(a){this.graphics_index=a};VGAScreen.prototype.port3CE_read=function(){return this.graphics_index};
VGAScreen.prototype.port3CF_write=function(a){switch(this.graphics_index){case 0:this.planar_setreset=a;dbg_log("plane set/reset: "+h(a),LOG_VGA);break;case 1:this.planar_setreset_enable=a;dbg_log("plane set/reset enable: "+h(a),LOG_VGA);break;case 2:this.color_compare=a;dbg_log("color compare: "+h(a),LOG_VGA);break;case 3:this.planar_rotate_reg=a;dbg_log("plane rotate: "+h(a),LOG_VGA);break;case 4:this.plane_read=a;dbg_log("plane read: "+h(a),LOG_VGA);break;case 5:var b=this.planar_mode;this.planar_mode=
a;dbg_log("planar mode: "+h(a),LOG_VGA);(b^a)&96&&this.complete_replot();break;case 6:dbg_log("miscellaneous graphics register: "+h(a),LOG_VGA);this.miscellaneous_graphics_register!==a&&(this.miscellaneous_graphics_register=a,this.update_vga_size());break;case 7:this.color_dont_care=a;dbg_log("color don't care: "+h(a),LOG_VGA);break;case 8:this.planar_bitmap=a;dbg_log("planar bitmap: "+h(a),LOG_VGA);break;default:dbg_log("3CF / graphics write "+h(this.graphics_index)+": "+h(a),LOG_VGA)}};
VGAScreen.prototype.port3CF_read=function(){dbg_log("3CF / graphics read "+h(this.graphics_index),LOG_VGA);switch(this.graphics_index){case 0:return this.planar_setreset;case 1:return this.planar_setreset_enable;case 2:return this.color_compare;case 3:return this.planar_rotate_reg;case 4:return this.plane_read;case 5:return this.planar_mode;case 6:return this.miscellaneous_graphics_register;case 7:return this.color_dont_care;case 8:return this.planar_bitmap}return 0};
VGAScreen.prototype.port3D4_write=function(a){dbg_log("3D4 / crtc index: "+a,LOG_VGA);this.index_crtc=a};VGAScreen.prototype.port3D4_read=function(){dbg_log("3D4 read / crtc index: "+this.index_crtc,LOG_VGA);return this.index_crtc};
VGAScreen.prototype.port3D5_write=function(a){switch(this.index_crtc){case 1:dbg_log("3D5 / hdisp enable end write: "+h(a),LOG_VGA);this.horizontal_display_enable_end!==a&&(this.horizontal_display_enable_end=a,this.update_vga_size());break;case 2:this.horizontal_blank_start!==a&&(this.horizontal_blank_start=a,this.update_vga_size());break;case 7:dbg_log("3D5 / overflow register write: "+h(a),LOG_VGA);var b=this.vertical_display_enable_end;this.vertical_display_enable_end&=255;this.vertical_display_enable_end=
this.vertical_display_enable_end|a<<3&512|a<<7&256;b!=this.vertical_display_enable_end&&this.update_vga_size();this.line_compare=this.line_compare&767|a<<4&256;b=this.vertical_blank_start;this.vertical_blank_start=this.vertical_blank_start&767|a<<5&256;b!==this.vertical_blank_start&&this.update_vga_size();this.update_layers();break;case 8:dbg_log("3D5 / preset row scan write: "+h(a),LOG_VGA);this.preset_row_scan=a;this.update_layers();break;case 9:dbg_log("3D5 / max scan line write: "+h(a),LOG_VGA);
this.max_scan_line=a;this.line_compare=this.line_compare&511|a<<3&512;b=this.vertical_blank_start;this.vertical_blank_start=this.vertical_blank_start&511|a<<4&512;b!==this.vertical_blank_start&&this.update_vga_size();this.update_layers();break;case 10:dbg_log("3D5 / cursor scanline start write: "+h(a),LOG_VGA);this.cursor_scanline_start=a;this.update_cursor_scanline();break;case 11:dbg_log("3D5 / cursor scanline end write: "+h(a),LOG_VGA);this.cursor_scanline_end=a;this.update_cursor_scanline();break;
case 12:(this.start_address>>8&255)!==a&&(this.start_address=this.start_address&255|a<<8,this.update_layers(),~this.crtc_mode&3&&this.complete_replot());dbg_log("3D5 / start addr hi write: "+h(a)+" -> "+h(this.start_address,4),LOG_VGA);break;case 13:(this.start_address&255)!==a&&(this.start_address=this.start_address&65280|a,this.update_layers(),~this.crtc_mode&3&&this.complete_replot());dbg_log("3D5 / start addr lo write: "+h(a)+" -> "+h(this.start_address,4),LOG_VGA);break;case 14:dbg_log("3D5 / cursor address hi write: "+
h(a),LOG_VGA);this.cursor_address=this.cursor_address&255|a<<8;this.update_cursor();break;case 15:dbg_log("3D5 / cursor address lo write: "+h(a),LOG_VGA);this.cursor_address=this.cursor_address&65280|a;this.update_cursor();break;case 18:dbg_log("3D5 / vdisp enable end write: "+h(a),LOG_VGA);(this.vertical_display_enable_end&255)!==a&&(this.vertical_display_enable_end=this.vertical_display_enable_end&768|a,this.update_vga_size());break;case 19:dbg_log("3D5 / offset register write: "+h(a),LOG_VGA);
this.offset_register!==a&&(this.offset_register=a,this.update_vga_size(),~this.crtc_mode&3&&this.complete_replot());break;case 20:dbg_log("3D5 / underline location write: "+h(a),LOG_VGA);this.underline_location_register!==a&&(b=this.underline_location_register,this.underline_location_register=a,this.update_vga_size(),(b^a)&64&&this.complete_replot());break;case 21:dbg_log("3D5 / vertical blank start write: "+h(a),LOG_VGA);(this.vertical_blank_start&255)!==a&&(this.vertical_blank_start=this.vertical_blank_start&
768|a,this.update_vga_size());break;case 23:dbg_log("3D5 / crtc mode write: "+h(a),LOG_VGA);this.crtc_mode!==a&&(b=this.crtc_mode,this.crtc_mode=a,this.update_vga_size(),(b^a)&67&&this.complete_replot());break;case 24:dbg_log("3D5 / line compare write: "+h(a),LOG_VGA);this.line_compare=this.line_compare&768|a;this.update_layers();break;default:this.index_crtc<this.crtc.length&&(this.crtc[this.index_crtc]=a),dbg_log("3D5 / CRTC write "+h(this.index_crtc)+": "+h(a),LOG_VGA)}};
VGAScreen.prototype.port3D5_read=function(){dbg_log("3D5 read "+h(this.index_crtc),LOG_VGA);switch(this.index_crtc){case 1:return this.horizontal_display_enable_end;case 2:return this.horizontal_blank_start;case 7:return this.vertical_display_enable_end>>7&2|this.vertical_blank_start>>5&8|this.line_compare>>4&16|this.vertical_display_enable_end>>3&64;case 8:return this.preset_row_scan;case 9:return this.max_scan_line;case 10:return this.cursor_scanline_start;case 11:return this.cursor_scanline_end;
case 12:return this.start_address&255;case 13:return this.start_address>>8;case 14:return this.cursor_address>>8;case 15:return this.cursor_address&255;case 18:return this.vertical_display_enable_end&255;case 19:return this.offset_register;case 20:return this.underline_location_register;case 21:return this.vertical_blank_start&255;case 23:return this.crtc_mode;case 24:return this.line_compare&255}return this.index_crtc<this.crtc.length?this.crtc[this.index_crtc]:0};
VGAScreen.prototype.port3DA_read=function(){dbg_log("3DA read - status 1 and clear attr index",LOG_VGA);var a=this.port_3DA_value;this.graphical_mode?(this.port_3DA_value^=1,this.port_3DA_value&=1):(this.port_3DA_value&1&&(this.port_3DA_value^=8),this.port_3DA_value^=1);this.attribute_controller_index=-1;return a};VGAScreen.prototype.port1CE_write=function(a){this.dispi_index=a};
VGAScreen.prototype.port1CF_write=function(a){dbg_log("1CF / dispi write "+h(this.dispi_index)+": "+h(a),LOG_VGA);switch(this.dispi_index){case 1:this.svga_width=a;this.svga_width>MAX_XRES&&(dbg_log("svga_width reduced from "+this.svga_width+" to "+MAX_XRES,LOG_VGA),this.svga_width=MAX_XRES);break;case 2:this.svga_height=a;this.svga_height>MAX_YRES&&(dbg_log("svga_height reduced from "+this.svga_height+" to "+MAX_YRES,LOG_VGA),this.svga_height=MAX_YRES);break;case 3:this.svga_bpp=a;break;case 4:this.svga_enabled=
1===(a&1);this.dispi_enable_value=a;break;case 5:dbg_log("SVGA bank offset: "+h(a<<16),LOG_VGA);this.svga_bank_offset=a<<16;break;case 9:const b=a*this.svga_width;dbg_log("SVGA offset: "+h(b)+" y="+h(a),LOG_VGA);this.svga_offset!==b&&(this.svga_offset=b,this.complete_redraw())}!this.svga_enabled||this.svga_width&&this.svga_height||(dbg_log("SVGA: disabled because of invalid width/height: "+this.svga_width+"x"+this.svga_height,LOG_VGA),this.svga_enabled=!1);dbg_assert(4!==this.svga_bpp,"unimplemented svga bpp: 4");
dbg_assert(4===this.svga_bpp||8===this.svga_bpp||15===this.svga_bpp||16===this.svga_bpp||24===this.svga_bpp||32===this.svga_bpp,"unexpected svga bpp: "+this.svga_bpp);dbg_log("SVGA: enabled="+this.svga_enabled+", "+this.svga_width+"x"+this.svga_height+"x"+this.svga_bpp,LOG_VGA);this.svga_enabled&&4===this.dispi_index&&(this.set_size_graphical(this.svga_width,this.svga_height,this.svga_bpp,this.svga_width,this.svga_height),this.bus.send("screen-set-mode",!0),this.graphical_mode_is_linear=this.graphical_mode=
!0);this.svga_enabled||(this.svga_bank_offset=0);this.update_layers()};VGAScreen.prototype.port1CF_read=function(){dbg_log("1CF / dispi read "+h(this.dispi_index),LOG_VGA);return this.svga_register_read(this.dispi_index)};
VGAScreen.prototype.svga_register_read=function(a){switch(a){case 0:return 45248;case 1:return this.dispi_enable_value&2?MAX_XRES:this.svga_width;case 2:return this.dispi_enable_value&2?MAX_YRES:this.svga_height;case 3:return this.dispi_enable_value&2?MAX_BPP:this.svga_bpp;case 4:return this.dispi_enable_value;case 5:return this.svga_bank_offset>>>16;case 6:return this.screen_width?this.screen_width:1;case 8:return 0;case 10:return this.vga_memory_size/VGA_BANK_SIZE|0}return 255};
VGAScreen.prototype.vga_replot=function(){for(var a=this.diff_plot_min&-16,b=Math.min(this.diff_plot_max|15,VGA_PIXEL_BUFFER_SIZE-1),c=this.vga_addr_shift_count(),d=~this.crtc_mode&3,e=this.planar_mode&96,f=this.attribute_mode&64;a<=b;){var g=a>>>c;if(d){var k=a/this.virtual_width|0,l=a-this.virtual_width*k;switch(d){case 1:g=(k&1)<<13;k>>>=1;break;case 2:g=(k&1)<<14;k>>>=1;break;case 3:g=(k&3)<<13,k>>>=2}g|=(k*this.virtual_width+l>>>c)+this.start_address}k=this.plane0[g];l=this.plane1[g];var m=this.plane2[g],
n=this.plane3[g];g=new Uint8Array(8);switch(e){case 0:k<<=0;l<<=1;m<<=2;n<<=3;for(var p=7;0<=p;p--)g[7-p]=k>>p&1|l>>p&2|m>>p&4|n>>p&8;break;case 32:g[0]=k>>6&3|m>>4&12;g[1]=k>>4&3|m>>2&12;g[2]=k>>2&3|m>>0&12;g[3]=k>>0&3|m<<2&12;g[4]=l>>6&3|n>>4&12;g[5]=l>>4&3|n>>2&12;g[6]=l>>2&3|n>>0&12;g[7]=l>>0&3|n<<2&12;break;case 64:case 96:g[0]=k>>4&15,g[1]=k>>0&15,g[2]=l>>4&15,g[3]=l>>0&15,g[4]=m>>4&15,g[5]=m>>0&15,g[6]=n>>4&15,g[7]=n>>0&15}if(f)for(k=p=0;4>p;p++,a++,k+=2)this.pixel_buffer[a]=g[k]<<4|g[k+1];
else for(p=0;8>p;p++,a++)this.pixel_buffer[a]=g[p]}};
VGAScreen.prototype.vga_redraw=function(){var a=this.diff_addr_min,b=Math.min(this.diff_addr_max,VGA_PIXEL_BUFFER_SIZE-1);const c=new Int32Array(this.cpu.wasm_memory.buffer,this.dest_buffet_offset,this.virtual_width*this.virtual_height);var d=255,e=0;this.attribute_mode&128&&(d&=207,e|=this.color_select<<4&48);if(this.attribute_mode&64)for(;a<=b;a++){var f=this.pixel_buffer[a]&d|e;f=this.vga256_palette[f];c[a]=f&65280|f<<16|f>>16|4278190080}else for(d&=63,e|=this.color_select<<4&192;a<=b;a++)f=this.dac_map[this.pixel_buffer[a]&
this.color_plane_enable]&d|e,f=this.vga256_palette[f],c[a]=f&65280|f<<16|f>>16|4278190080};
VGAScreen.prototype.screen_fill_buffer=function(){if(this.graphical_mode){if(0===this.image_data.data.byteLength){var a=new Uint8ClampedArray(this.cpu.wasm_memory.buffer,this.dest_buffet_offset,4*this.virtual_width*this.virtual_height);this.image_data=new ImageData(a,this.virtual_width,this.virtual_height);this.update_layers()}if(this.svga_enabled){a=0;let d=this.svga_height;if(8===this.svga_bpp){const e=new Int32Array(this.cpu.wasm_memory.buffer,this.dest_buffet_offset,this.screen_width*this.screen_height),
f=new Uint8Array(this.cpu.wasm_memory.buffer,this.svga_memory.byteOffset,this.vga_memory_size);for(var b=0;b<e.length;b++){var c=this.vga256_palette[f[b]];e[b]=c&65280|c<<16|c>>16|4278190080}}else this.cpu.svga_fill_pixel_buffer(this.svga_bpp,this.svga_offset),b=15===this.svga_bpp?2:this.svga_bpp/8,a=((this.cpu.svga_dirty_bitmap_min_offset[0]/b|0)-this.svga_offset)/this.svga_width|0,d=(((this.cpu.svga_dirty_bitmap_max_offset[0]/b|0)-this.svga_offset)/this.svga_width|0)+1;a<d&&(a=Math.max(a,0),d=Math.min(d,
this.svga_height),this.bus.send("screen-fill-buffer-end",[{image_data:this.image_data,screen_x:0,screen_y:a,buffer_x:0,buffer_y:a,buffer_width:this.svga_width,buffer_height:d-a}]))}else this.vga_replot(),this.vga_redraw(),this.bus.send("screen-fill-buffer-end",this.layers);this.reset_diffs()}this.update_vertical_retrace()};let PS2_LOG_VERBOSE=!1;
function PS2(a,b){this.cpu=a;this.bus=b;this.use_mouse=this.enable_mouse_stream=!1;this.have_mouse=!0;this.mouse_clicks=this.mouse_delta_y=this.mouse_delta_x=0;this.have_keyboard=!0;this.next_read_resolution=this.next_read_rate=this.next_handle_scan_code_set=this.next_read_led=this.next_read_sample=this.next_is_mouse_command=this.enable_keyboard_stream=!1;this.kbd_buffer=new ByteQueue(1024);this.last_port60_byte=0;this.sample_rate=100;this.mouse_id=this.mouse_detect_state=0;this.mouse_reset_workaround=
!1;this.wheel_movement=0;this.resolution=4;this.scaling2=!1;this.last_mouse_packet=-1;this.mouse_buffer=new ByteQueue(1024);this.next_byte_is_aux=this.next_byte_is_ready=!1;this.bus.register("keyboard-code",function(c){this.kbd_send_code(c)},this);this.bus.register("mouse-click",function(c){this.mouse_send_click(c[0],c[1],c[2])},this);this.bus.register("mouse-delta",function(c){this.mouse_send_delta(c[0],c[1])},this);this.bus.register("mouse-wheel",function(c){this.wheel_movement-=c[0];this.wheel_movement-=
2*c[1];this.wheel_movement=Math.min(7,Math.max(-8,this.wheel_movement));this.send_mouse_packet(0,0)},this);this.command_register=5;this.controller_output_port=0;this.read_controller_output_port=this.read_command_register=this.read_output_register=!1;a.io.register_read(96,this,this.port60_read);a.io.register_read(100,this,this.port64_read);a.io.register_write(96,this,this.port60_write);a.io.register_write(100,this,this.port64_write)}
PS2.prototype.get_state=function(){var a=[];a[0]=this.enable_mouse_stream;a[1]=this.use_mouse;a[2]=this.have_mouse;a[3]=this.mouse_delta_x;a[4]=this.mouse_delta_y;a[5]=this.mouse_clicks;a[6]=this.have_keyboard;a[7]=this.enable_keyboard_stream;a[8]=this.next_is_mouse_command;a[9]=this.next_read_sample;a[10]=this.next_read_led;a[11]=this.next_handle_scan_code_set;a[12]=this.next_read_rate;a[13]=this.next_read_resolution;a[15]=this.last_port60_byte;a[16]=this.sample_rate;a[17]=this.resolution;a[18]=
this.scaling2;a[20]=this.command_register;a[21]=this.read_output_register;a[22]=this.read_command_register;a[23]=this.controller_output_port;a[24]=this.read_controller_output_port;a[25]=this.mouse_id;a[26]=this.mouse_detect_state;a[27]=this.mouse_reset_workaround;return a};
PS2.prototype.set_state=function(a){this.enable_mouse_stream=a[0];this.use_mouse=a[1];this.have_mouse=a[2];this.mouse_delta_x=a[3];this.mouse_delta_y=a[4];this.mouse_clicks=a[5];this.have_keyboard=a[6];this.enable_keyboard_stream=a[7];this.next_is_mouse_command=a[8];this.next_read_sample=a[9];this.next_read_led=a[10];this.next_handle_scan_code_set=a[11];this.next_read_rate=a[12];this.next_read_resolution=a[13];this.last_port60_byte=a[15];this.sample_rate=a[16];this.resolution=a[17];this.scaling2=
a[18];this.command_register=a[20];this.read_output_register=a[21];this.read_command_register=a[22];this.controller_output_port=a[23];this.read_controller_output_port=a[24];this.mouse_id=a[25]||0;this.mouse_detect_state=a[26]||0;this.mouse_reset_workaround=a[27]||!1;this.next_byte_is_aux=this.next_byte_is_ready=!1;this.kbd_buffer.clear();this.mouse_buffer.clear();this.bus.send("mouse-enable",this.use_mouse)};
PS2.prototype.raise_irq=function(){this.next_byte_is_ready||(this.kbd_buffer.length?this.kbd_irq():this.mouse_buffer.length&&this.mouse_irq())};PS2.prototype.mouse_irq=function(){this.next_byte_is_aux=this.next_byte_is_ready=!0;this.command_register&2&&(dbg_log("Mouse irq",LOG_PS2),this.cpu.device_lower_irq(12),this.cpu.device_raise_irq(12))};
PS2.prototype.kbd_irq=function(){this.next_byte_is_ready=!0;this.next_byte_is_aux=!1;this.command_register&1&&(dbg_log("Keyboard irq",LOG_PS2),this.cpu.device_lower_irq(1),this.cpu.device_raise_irq(1))};PS2.prototype.kbd_send_code=function(a){this.enable_keyboard_stream&&(dbg_log("adding kbd code: "+h(a),LOG_PS2),this.kbd_buffer.push(a),this.raise_irq())};
PS2.prototype.mouse_send_delta=function(a,b){if(this.have_mouse&&this.use_mouse){var c=this.resolution*this.sample_rate/80;this.mouse_delta_x+=a*c;this.mouse_delta_y+=b*c;this.enable_mouse_stream&&(a=this.mouse_delta_x|0,b=this.mouse_delta_y|0,a||b)&&(Date.now(),this.mouse_delta_x-=a,this.mouse_delta_y-=b,this.send_mouse_packet(a,b))}};PS2.prototype.mouse_send_click=function(a,b,c){this.have_mouse&&this.use_mouse&&(this.mouse_clicks=a|c<<1|b<<2,this.enable_mouse_stream&&this.send_mouse_packet(0,0))};
PS2.prototype.send_mouse_packet=function(a,b){var c=(0>b)<<5|(0>a)<<4|8|this.mouse_clicks;this.last_mouse_packet=Date.now();this.mouse_buffer.push(c);this.mouse_buffer.push(a);this.mouse_buffer.push(b);4===this.mouse_id?(this.mouse_buffer.push(0|this.wheel_movement&15),this.wheel_movement=0):3===this.mouse_id&&(this.mouse_buffer.push(this.wheel_movement&255),this.wheel_movement=0);PS2_LOG_VERBOSE&&dbg_log("adding mouse packets: "+[c,a,b],LOG_PS2);this.raise_irq()};
PS2.prototype.apply_scaling2=function(a){var b=a>>31;switch(Math.abs(a)){case 0:case 1:case 3:return a;case 2:return b;case 4:return 6*b;case 5:return 9*b;default:return a<<1}};
PS2.prototype.port60_read=function(){this.next_byte_is_ready=!1;if(!this.kbd_buffer.length&&!this.mouse_buffer.length)return dbg_log("Port 60 read: Empty",LOG_PS2),this.last_port60_byte;this.next_byte_is_aux?(this.cpu.device_lower_irq(12),this.last_port60_byte=this.mouse_buffer.shift(),dbg_log("Port 60 read (mouse): "+h(this.last_port60_byte),LOG_PS2)):(this.cpu.device_lower_irq(1),this.last_port60_byte=this.kbd_buffer.shift(),dbg_log("Port 60 read (kbd) : "+h(this.last_port60_byte),LOG_PS2));(this.kbd_buffer.length||
this.mouse_buffer.length)&&this.raise_irq();return this.last_port60_byte};PS2.prototype.port64_read=function(){var a=16;this.next_byte_is_ready&&(a|=1);this.next_byte_is_aux&&(a|=32);dbg_log("port 64 read: "+h(a),LOG_PS2);return a};
PS2.prototype.port60_write=function(a){dbg_log("port 60 write: "+h(a),LOG_PS2);if(this.read_command_register)this.command_register=a,this.read_command_register=!1,dbg_log("Keyboard command register = "+h(this.command_register),LOG_PS2);else if(this.read_output_register)this.read_output_register=!1,this.mouse_buffer.clear(),this.mouse_buffer.push(a),this.mouse_irq();else if(this.next_read_sample){this.next_read_sample=!1;this.mouse_buffer.clear();this.mouse_buffer.push(250);this.sample_rate=a;switch(this.mouse_detect_state){case -1:60===
a?(this.mouse_reset_workaround=!0,this.mouse_detect_state=0):(this.mouse_reset_workaround=!1,this.mouse_detect_state=200===a?1:0);break;case 0:200===a&&(this.mouse_detect_state=1);break;case 1:this.mouse_detect_state=100===a?2:200===a?3:0;break;case 2:80===a&&(this.mouse_id=3);this.mouse_detect_state=-1;break;case 3:80===a&&(this.mouse_id=4),this.mouse_detect_state=-1}dbg_log("mouse sample rate: "+h(a)+", mouse id: "+h(this.mouse_id),LOG_PS2);this.sample_rate||(dbg_log("invalid sample rate, reset to 100",
LOG_PS2),this.sample_rate=100);this.mouse_irq()}else if(this.next_read_resolution)this.next_read_resolution=!1,this.mouse_buffer.clear(),this.mouse_buffer.push(250),3<a?(this.resolution=4,dbg_log("invalid resolution, resetting to 4",LOG_PS2)):(this.resolution=1<<a,dbg_log("resolution: "+this.resolution,LOG_PS2)),this.mouse_irq();else if(this.next_read_led)this.next_read_led=!1,this.kbd_buffer.push(250),this.kbd_irq();else if(this.next_handle_scan_code_set)this.next_handle_scan_code_set=!1,this.kbd_buffer.push(250),
this.kbd_irq(),a||this.kbd_buffer.push(2);else if(this.next_read_rate)this.next_read_rate=!1,this.kbd_buffer.push(250),this.kbd_irq();else if(this.next_is_mouse_command){if(this.next_is_mouse_command=!1,dbg_log("Port 60 data register write: "+h(a),LOG_PS2),this.have_mouse){this.kbd_buffer.clear();this.mouse_buffer.clear();this.mouse_buffer.push(250);switch(a){case 230:dbg_log("Scaling 1:1",LOG_PS2);this.scaling2=!1;break;case 231:dbg_log("Scaling 2:1",LOG_PS2);this.scaling2=!0;break;case 232:this.next_read_resolution=
!0;break;case 233:this.send_mouse_packet(0,0);break;case 235:dbg_log("unimplemented request single packet",LOG_PS2);this.send_mouse_packet(0,0);break;case 242:dbg_log("required id: "+h(this.mouse_id),LOG_PS2);this.mouse_buffer.push(this.mouse_id);this.mouse_clicks=this.mouse_delta_x=this.mouse_delta_y=0;this.raise_irq();break;case 243:this.next_read_sample=!0;break;case 244:this.use_mouse=this.enable_mouse_stream=!0;this.bus.send("mouse-enable",!0);this.mouse_clicks=this.mouse_delta_x=this.mouse_delta_y=
0;break;case 245:this.enable_mouse_stream=!1;break;case 246:this.enable_mouse_stream=!1;this.sample_rate=100;this.scaling2=!1;this.resolution=4;break;case 255:dbg_log("Mouse reset",LOG_PS2);this.mouse_buffer.push(170);this.mouse_buffer.push(0);this.use_mouse=!0;this.bus.send("mouse-enable",!0);this.enable_mouse_stream=!1;this.sample_rate=100;this.scaling2=!1;this.resolution=4;this.mouse_reset_workaround||(this.mouse_id=0);this.mouse_clicks=this.mouse_delta_x=this.mouse_delta_y=0;break;default:dbg_log("Unimplemented mouse command: "+
h(a),LOG_PS2)}this.mouse_irq()}}else if(this.read_controller_output_port)this.read_controller_output_port=!1,this.controller_output_port=a;else{dbg_log("Port 60 data register write: "+h(a),LOG_PS2);this.mouse_buffer.clear();this.kbd_buffer.clear();this.kbd_buffer.push(250);switch(a){case 237:this.next_read_led=!0;break;case 240:this.next_handle_scan_code_set=!0;break;case 242:this.kbd_buffer.push(171);this.kbd_buffer.push(83);break;case 243:this.next_read_rate=!0;break;case 244:dbg_log("kbd enable scanning",
LOG_PS2);this.enable_keyboard_stream=!0;break;case 245:dbg_log("kbd disable scanning",LOG_PS2);this.enable_keyboard_stream=!1;break;case 246:break;case 255:this.kbd_buffer.clear();this.kbd_buffer.push(250);this.kbd_buffer.push(170);this.kbd_buffer.push(0);break;default:dbg_log("Unimplemented keyboard command: "+h(a),LOG_PS2)}this.kbd_irq()}};
PS2.prototype.port64_write=function(a){dbg_log("port 64 write: "+h(a),LOG_PS2);switch(a){case 32:this.kbd_buffer.clear();this.mouse_buffer.clear();this.kbd_buffer.push(this.command_register);this.kbd_irq();break;case 96:this.read_command_register=!0;break;case 209:this.read_controller_output_port=!0;break;case 211:this.read_output_register=!0;break;case 212:this.next_is_mouse_command=!0;break;case 167:dbg_log("Disable second port",LOG_PS2);this.command_register|=32;break;case 168:dbg_log("Enable second port",
LOG_PS2);this.command_register&=-33;break;case 169:this.kbd_buffer.clear();this.mouse_buffer.clear();this.kbd_buffer.push(0);this.kbd_irq();break;case 170:this.kbd_buffer.clear();this.mouse_buffer.clear();this.kbd_buffer.push(85);this.kbd_irq();break;case 171:this.kbd_buffer.clear();this.mouse_buffer.clear();this.kbd_buffer.push(0);this.kbd_irq();break;case 173:dbg_log("Disable Keyboard",LOG_PS2);this.command_register|=16;break;case 174:dbg_log("Enable Keyboard",LOG_PS2);this.command_register&=-17;
break;case 254:dbg_log("CPU reboot via PS2");this.cpu.reboot_internal();break;default:dbg_log("port 64: Unimplemented command byte: "+h(a),LOG_PS2)}};var PIC_LOG_VERBOSE=!1;
function PIC(a,b){this.irq_value=this.irr=this.isr=this.irq_map=this.irq_mask=0;this.requested_irq=-1;this.master=b;this.is_master=void 0===this.master;this.slave=void 0;this.name=this.is_master?"master":"slave ";this.expect_icw4=!1;this.read_isr=this.state=0;this.auto_eoi=1;this.elcr=this.special_mask_mode=0;this.cpu=a;this.is_master?(this.slave=new PIC(this.cpu,this),this.check_irqs=function(){if(0<=this.requested_irq)PIC_LOG_VERBOSE&&dbg_log("master> Already requested irq: "+this.requested_irq,
LOG_PIC),this.cpu.handle_irqs();else{var c=this.irr&this.irq_mask;if(c){c&=-c;var d=this.special_mask_mode?this.irq_mask:-1;this.isr&&(this.isr&-this.isr&d)<=c?dbg_log("master> higher prio: isr="+h(this.isr,2)+" mask="+h(this.irq_mask&255,2)+" irq="+h(c,2),LOG_PIC):(dbg_assert(0!==c),d=v86util.int_log2_byte(c),dbg_assert(c===1<<d),PIC_LOG_VERBOSE&&dbg_log("master> request irq "+d,LOG_PIC),this.requested_irq=d,this.cpu.handle_irqs())}else PIC_LOG_VERBOSE&&dbg_log("master> no unmasked irrs. irr="+h(this.irr,
2)+" mask="+h(this.irq_mask&255,2)+" isr="+h(this.isr,2),LOG_PIC)}},this.acknowledge_irq=function(){if(-1!==this.requested_irq)if(0===this.irr)PIC_LOG_VERBOSE&&dbg_log("master> spurious requested="+this.requested_irq,LOG_PIC),this.requested_irq=-1;else{dbg_assert(this.irr);dbg_assert(0<=this.requested_irq);var c=1<<this.requested_irq;0===(this.elcr&c)&&(this.irr&=~c);this.auto_eoi||(this.isr|=c);PIC_LOG_VERBOSE&&dbg_log("master> acknowledge "+this.requested_irq,LOG_PIC);2===this.requested_irq?this.slave.acknowledge_irq():
this.cpu.pic_call_irq(this.irq_map|this.requested_irq);this.requested_irq=-1;this.check_irqs()}}):(this.check_irqs=function(){if(0<=this.requested_irq)PIC_LOG_VERBOSE&&dbg_log("slave > Already requested irq: "+this.requested_irq,LOG_PIC),this.cpu.handle_irqs();else{var c=this.irr&this.irq_mask;if(c){c&=-c;var d=this.special_mask_mode?this.irq_mask:-1;this.isr&&(this.isr&-this.isr&d)<=c?PIC_LOG_VERBOSE&&dbg_log("slave > higher prio: isr="+h(this.isr,2)+" irq="+h(c,2),LOG_PIC):(dbg_assert(0!==c),d=
v86util.int_log2_byte(c),dbg_assert(c===1<<d),PIC_LOG_VERBOSE&&dbg_log("slave > request irq "+d,LOG_PIC),this.requested_irq=d,this.master.set_irq(2))}else PIC_LOG_VERBOSE&&dbg_log("slave > no unmasked irrs. irr="+h(this.irr,2)+" mask="+h(this.irq_mask&255,2)+" isr="+h(this.isr,2),LOG_PIC)}},this.acknowledge_irq=function(){if(-1!==this.requested_irq)if(0===this.irr)PIC_LOG_VERBOSE&&dbg_log("slave > spurious requested="+this.requested_irq,LOG_PIC),this.requested_irq=-1,this.master.irq_value&=-5,this.cpu.pic_call_irq(this.irq_map|
7);else{dbg_assert(this.irr);dbg_assert(0<=this.requested_irq);var c=1<<this.requested_irq;0===(this.elcr&c)&&(this.irr&=~c);this.auto_eoi||(this.isr|=c);this.master.irq_value&=-5;PIC_LOG_VERBOSE&&dbg_log("slave > acknowledge "+this.requested_irq,LOG_PIC);this.cpu.pic_call_irq(this.irq_map|this.requested_irq);this.requested_irq=-1;this.check_irqs()}});this.dump=function(){dbg_log("mask: "+h(this.irq_mask&255),LOG_PIC);dbg_log("base: "+h(this.irq_map),LOG_PIC);dbg_log("requested: "+h(this.irr),LOG_PIC);
dbg_log("serviced: "+h(this.isr),LOG_PIC);this.is_master&&this.slave.dump()};this.is_master?(a=32,b=1232):(a=160,b=1233);this.cpu.io.register_write(a,this,this.port20_write);this.cpu.io.register_read(a,this,this.port20_read);this.cpu.io.register_write(a|1,this,this.port21_write);this.cpu.io.register_read(a|1,this,this.port21_read);this.cpu.io.register_write(b,this,this.port4D0_write);this.cpu.io.register_read(b,this,this.port4D0_read);this.is_master?(this.set_irq=function(c){dbg_assert(0<=c&&16>c);
if(8<=c)this.slave.set_irq(c-8);else{var d=1<<c;0===(this.irq_value&d)?(PIC_LOG_VERBOSE&&dbg_log("master> set irq "+c,LOG_PIC),this.irr|=d,this.irq_value|=d,this.check_irqs()):PIC_LOG_VERBOSE&&dbg_log("master> set irq "+c+": already set!",LOG_PIC)}},this.clear_irq=function(c){dbg_assert(0<=c&&16>c);PIC_LOG_VERBOSE&&dbg_log("master> clear irq "+c,LOG_PIC);8<=c?this.slave.clear_irq(c-8):(c=1<<c,this.irq_value&c&&(this.irq_value&=~c,this.irr&=~c,this.check_irqs()))}):(this.set_irq=function(c){dbg_assert(0<=
c&&8>c);var d=1<<c;0===(this.irq_value&d)?(PIC_LOG_VERBOSE&&dbg_log("slave > set irq "+c,LOG_PIC),this.irr|=d,this.irq_value|=d,this.check_irqs()):PIC_LOG_VERBOSE&&dbg_log("slave > set irq "+c+": already set!",LOG_PIC)},this.clear_irq=function(c){dbg_assert(0<=c&&8>c);PIC_LOG_VERBOSE&&dbg_log("slave > clear irq "+c,LOG_PIC);c=1<<c;this.irq_value&c&&(this.irq_value&=~c,this.irr&=~c,this.check_irqs())});this.get_isr=function(){return this.isr}}
PIC.prototype.get_state=function(){var a=[];a[0]=this.irq_mask;a[1]=this.irq_map;a[2]=this.isr;a[3]=this.irr;a[4]=this.is_master;a[5]=this.slave;a[6]=this.expect_icw4;a[7]=this.state;a[8]=this.read_isr;a[9]=this.auto_eoi;a[10]=this.elcr;return a};PIC.prototype.set_state=function(a){this.irq_mask=a[0];this.irq_map=a[1];this.isr=a[2];this.irr=a[3];this.is_master=a[4];this.slave&&this.slave.set_state(a[5]);this.expect_icw4=a[6];this.state=a[7];this.read_isr=a[8];this.auto_eoi=a[9];this.elcr=a[10]};
PIC.prototype.port20_write=function(a){if(a&16)dbg_log("icw1 = "+h(a),LOG_PIC),this.irq_value=this.irq_mask=this.irr=this.isr=0,this.auto_eoi=1,this.requested_irq=-1,this.expect_icw4=a&1,this.state=1;else if(a&8)dbg_log("ocw3: "+h(a),LOG_PIC),a&2&&(this.read_isr=a&1),a&4&&dbg_assert(!1,"unimplemented: polling",LOG_PIC),a&64&&(this.special_mask_mode=32===(a&32),dbg_log("special mask mode: "+this.special_mask_mode,LOG_PIC));else{dbg_log("eoi: "+h(a)+" ("+this.name+")",LOG_PIC);var b=a>>5;1===b?(this.isr&=
this.isr-1,dbg_log("new isr: "+h(this.isr,2),LOG_PIC)):3===b?this.isr&=~(1<<(a&7)):192===(a&200)?dbg_log("lowest priority: "+h(a&7),LOG_PIC):(dbg_log("Unknown eoi: "+h(a),LOG_PIC),dbg_assert(!1),this.isr&=this.isr-1);this.check_irqs()}};PIC.prototype.port20_read=function(){if(this.read_isr)return dbg_log("read port 20h (isr): "+h(this.isr),LOG_PIC),this.isr;dbg_log("read port 20h (irr): "+h(this.irr),LOG_PIC);return this.irr};
PIC.prototype.port21_write=function(a){0===this.state?this.expect_icw4?(this.expect_icw4=!1,this.auto_eoi=a&2,dbg_log("icw4: "+h(a)+" autoeoi="+this.auto_eoi,LOG_PIC),0===(a&1)&&dbg_assert(!1,"unimplemented: not 8086 mode",LOG_PIC)):(this.irq_mask=~a,PIC_LOG_VERBOSE&&dbg_log("interrupt mask: "+(this.irq_mask&255).toString(2)+" ("+this.name+")",LOG_PIC),this.check_irqs()):1===this.state?(this.irq_map=a,dbg_log("interrupts are mapped to "+h(this.irq_map)+" ("+this.name+")",LOG_PIC),this.state++):2===
this.state&&(this.state=0,dbg_log("icw3: "+h(a),LOG_PIC))};PIC.prototype.port21_read=function(){dbg_log("21h read "+h(~this.irq_mask&255),LOG_PIC);return~this.irq_mask&255};PIC.prototype.port4D0_read=function(){dbg_log("elcr read: "+h(this.elcr,2),LOG_PIC);return this.elcr};PIC.prototype.port4D0_write=function(a){dbg_log("elcr write: "+h(a,2),LOG_PIC);this.elcr=a};var CMOS_RTC_SECONDS=0,CMOS_RTC_SECONDS_ALARM=1,CMOS_RTC_MINUTES=2,CMOS_RTC_MINUTES_ALARM=3,CMOS_RTC_HOURS=4,CMOS_RTC_HOURS_ALARM=5,CMOS_RTC_DAY_WEEK=6,CMOS_RTC_DAY_MONTH=7,CMOS_RTC_MONTH=8,CMOS_RTC_YEAR=9,CMOS_STATUS_A=10,CMOS_STATUS_B=11,CMOS_STATUS_C=12,CMOS_STATUS_D=13,CMOS_RESET_CODE=15,CMOS_FLOPPY_DRIVE_TYPE=16,CMOS_DISK_DATA=18,CMOS_EQUIPMENT_INFO=20,CMOS_MEM_BASE_LOW=21,CMOS_MEM_BASE_HIGH=22,CMOS_MEM_OLD_EXT_LOW=23,CMOS_MEM_OLD_EXT_HIGH=24,CMOS_DISK_DRIVE1_TYPE=25,CMOS_DISK_DRIVE2_TYPE=26,
CMOS_DISK_DRIVE1_CYL=27,CMOS_DISK_DRIVE2_CYL=36,CMOS_MEM_EXTMEM_LOW=48,CMOS_MEM_EXTMEM_HIGH=49,CMOS_CENTURY=50,CMOS_MEM_EXTMEM2_LOW=52,CMOS_MEM_EXTMEM2_HIGH=53,CMOS_BIOS_BOOTFLAG1=56,CMOS_BIOS_DISKTRANSFLAG=57,CMOS_BIOS_BOOTFLAG2=61,CMOS_MEM_HIGHMEM_LOW=91,CMOS_MEM_HIGHMEM_MID=92,CMOS_MEM_HIGHMEM_HIGH=93,CMOS_BIOS_SMP_COUNT=95;
function RTC(a){this.cpu=a;this.cmos_index=0;this.cmos_data=new Uint8Array(128);this.last_update=this.rtc_time=Date.now();this.next_interrupt_alarm=this.next_interrupt=0;this.periodic_interrupt=!1;this.periodic_interrupt_time=.9765625;this.cmos_a=38;this.cmos_b=2;this.nmi_disabled=this.cmos_c=0;a.io.register_write(112,this,function(b){this.cmos_index=b&127;this.nmi_disabled=b>>7});a.io.register_write(113,this,this.cmos_port_write);a.io.register_read(113,this,this.cmos_port_read)}
RTC.prototype.get_state=function(){var a=[];a[0]=this.cmos_index;a[1]=this.cmos_data;a[2]=this.rtc_time;a[3]=this.last_update;a[4]=this.next_interrupt;a[5]=this.next_interrupt_alarm;a[6]=this.periodic_interrupt;a[7]=this.periodic_interrupt_time;a[8]=this.cmos_a;a[9]=this.cmos_b;a[10]=this.cmos_c;a[11]=this.nmi_disabled;return a};
RTC.prototype.set_state=function(a){this.cmos_index=a[0];this.cmos_data=a[1];this.rtc_time=a[2];this.last_update=a[3];this.next_interrupt=a[4];this.next_interrupt_alarm=a[5];this.periodic_interrupt=a[6];this.periodic_interrupt_time=a[7];this.cmos_a=a[8];this.cmos_b=a[9];this.cmos_c=a[10];this.nmi_disabled=a[11]};
RTC.prototype.timer=function(a,b){a=Date.now();this.rtc_time+=a-this.last_update;this.last_update=a;this.periodic_interrupt&&this.next_interrupt<a?(this.cpu.device_raise_irq(8),this.cmos_c|=192,this.next_interrupt+=this.periodic_interrupt_time*Math.ceil((a-this.next_interrupt)/this.periodic_interrupt_time)):this.next_interrupt_alarm&&this.next_interrupt_alarm<a&&(this.cpu.device_raise_irq(8),this.cmos_c|=160,this.next_interrupt_alarm=0);b=100;this.periodic_interrupt&&this.next_interrupt&&(b=Math.min(b,
Math.max(0,this.next_interrupt-a)));this.next_interrupt_alarm&&(b=Math.min(b,Math.max(0,this.next_interrupt_alarm-a)));return b};RTC.prototype.bcd_pack=function(a){for(var b=0,c=0,d;a;)d=a%10,c|=d<<4*b,b++,a=(a-d)/10;return c};RTC.prototype.bcd_unpack=function(a){const b=a&15,c=a>>4&15;dbg_assert(256>a);dbg_assert(10>b);dbg_assert(10>c);return b+10*c};RTC.prototype.encode_time=function(a){return this.cmos_b&4?a:this.bcd_pack(a)};RTC.prototype.decode_time=function(a){return this.cmos_b&4?a:this.bcd_unpack(a)};
RTC.prototype.cmos_port_read=function(){var a=this.cmos_index;switch(a){case CMOS_RTC_SECONDS:return this.encode_time((new Date(this.rtc_time)).getUTCSeconds());case CMOS_RTC_MINUTES:return this.encode_time((new Date(this.rtc_time)).getUTCMinutes());case CMOS_RTC_HOURS:return this.encode_time((new Date(this.rtc_time)).getUTCHours());case CMOS_RTC_DAY_MONTH:return this.encode_time((new Date(this.rtc_time)).getUTCDate());case CMOS_RTC_MONTH:return this.encode_time((new Date(this.rtc_time)).getUTCMonth()+
1);case CMOS_RTC_YEAR:return this.encode_time((new Date(this.rtc_time)).getUTCFullYear()%100);case CMOS_STATUS_A:return this.cmos_a;case CMOS_STATUS_B:return this.cmos_b;case CMOS_STATUS_C:return this.cpu.device_lower_irq(8),dbg_log("cmos reg C read",LOG_RTC),a=this.cmos_c,this.cmos_c&=-241,a;case CMOS_STATUS_D:return 0;case CMOS_CENTURY:return this.encode_time((new Date(this.rtc_time)).getUTCFullYear()/100|0);default:return dbg_log("cmos read from index "+h(a),LOG_RTC),this.cmos_data[this.cmos_index]}};
RTC.prototype.cmos_port_write=function(a){switch(this.cmos_index){case 10:this.cmos_a=a&127;this.periodic_interrupt_time=1E3/(32768>>(this.cmos_a&15)-1);dbg_log("Periodic interrupt, a="+h(this.cmos_a,2)+" t="+this.periodic_interrupt_time,LOG_RTC);break;case 11:this.cmos_b=a;this.cmos_b&64&&(this.next_interrupt=Date.now());if(this.cmos_b&32){a=new Date;const b=this.decode_time(this.cmos_data[CMOS_RTC_SECONDS_ALARM]),c=this.decode_time(this.cmos_data[CMOS_RTC_MINUTES_ALARM]),d=this.decode_time(this.cmos_data[CMOS_RTC_HOURS_ALARM]),
e=new Date(Date.UTC(a.getUTCFullYear(),a.getUTCMonth(),a.getUTCDate(),d,c,b));dbg_log("RTC alarm scheduled for "+e+" hh:mm:ss="+d+":"+c+":"+b+" ms_from_now="+(e-a),LOG_RTC);this.next_interrupt_alarm=+e}this.cmos_b&16&&dbg_log("Unimplemented: updated interrupt",LOG_RTC);dbg_log("cmos b="+h(this.cmos_b,2),LOG_RTC);break;case CMOS_RTC_SECONDS_ALARM:case CMOS_RTC_MINUTES_ALARM:case CMOS_RTC_HOURS_ALARM:this.cmos_write(this.cmos_index,a);break;default:dbg_log("cmos write index "+h(this.cmos_index)+": "+
h(a),LOG_RTC)}this.periodic_interrupt=64===(this.cmos_b&64)&&0<(this.cmos_a&15)};RTC.prototype.cmos_read=function(a){dbg_assert(128>a);return this.cmos_data[a]};RTC.prototype.cmos_write=function(a,b){dbg_log("cmos "+h(a)+" <- "+h(b),LOG_RTC);dbg_assert(128>a);this.cmos_data[a]=b};var DLAB=128,UART_IER_MSI=8,UART_IER_THRI=2,UART_IER_RDI=1,UART_IIR_MSI=0,UART_IIR_NO_INT=1,UART_IIR_THRI=2,UART_IIR_RDI=4,UART_IIR_RLSI=6,UART_IIR_CTI=12,UART_LSR_DATA_READY=1,UART_LSR_TX_EMPTY=32,UART_LSR_TRANSMITTER_EMPTY=64;
function UART(a,b,c){this.bus=c;this.cpu=a;this.ints=1<<UART_IIR_THRI;this.line_control=this.baud_rate=0;this.lsr=UART_LSR_TRANSMITTER_EMPTY|UART_LSR_TX_EMPTY;this.ier=this.fifo_control=0;this.iir=UART_IIR_NO_INT;this.irq=this.scratch_register=this.modem_status=this.modem_control=0;this.input=new ByteQueue(4096);this.current_line=[];switch(b){case 1016:this.com=0;this.irq=4;break;case 760:this.com=1;this.irq=3;break;case 1E3:this.com=2;this.irq=4;break;case 744:this.irq=this.com=3;break;default:dbg_log("Invalid serial port: "+
h(b),LOG_SERIAL),this.com=0,this.irq=4}this.bus.register("serial"+this.com+"-input",function(d){this.data_received(d)},this);a=a.io;a.register_write(b,this,function(d){this.write_data(d)},function(d){this.write_data(d&255);this.write_data(d>>8)});a.register_write(b|1,this,function(d){this.line_control&DLAB?(this.baud_rate=this.baud_rate&255|d<<8,dbg_log("baud rate: "+h(this.baud_rate),LOG_SERIAL)):(0===(this.ier&UART_IIR_THRI)&&d&UART_IIR_THRI&&this.ThrowInterrupt(UART_IIR_THRI),this.ier=d&15,dbg_log("interrupt enable: "+
h(d),LOG_SERIAL),this.CheckInterrupt())});a.register_read(b,this,function(){if(this.line_control&DLAB)return this.baud_rate&255;var d=this.input.shift();-1===d?dbg_log("Read input empty",LOG_SERIAL):dbg_log("Read input: "+h(d),LOG_SERIAL);0===this.input.length&&(this.lsr&=~UART_LSR_DATA_READY,this.ClearInterrupt(UART_IIR_CTI),this.ClearInterrupt(UART_IIR_RDI));return d});a.register_read(b|1,this,function(){return this.line_control&DLAB?this.baud_rate>>8:this.ier&15});a.register_read(b|2,this,function(){var d=
this.iir&15;dbg_log("read interrupt identification: "+h(this.iir),LOG_SERIAL);this.iir==UART_IIR_THRI&&this.ClearInterrupt(UART_IIR_THRI);this.fifo_control&1&&(d|=192);return d});a.register_write(b|2,this,function(d){dbg_log("fifo control: "+h(d),LOG_SERIAL);this.fifo_control=d});a.register_read(b|3,this,function(){dbg_log("read line control: "+h(this.line_control),LOG_SERIAL);return this.line_control});a.register_write(b|3,this,function(d){dbg_log("line control: "+h(d),LOG_SERIAL);this.line_control=
d});a.register_read(b|4,this,function(){return this.modem_control});a.register_write(b|4,this,function(d){dbg_log("modem control: "+h(d),LOG_SERIAL);this.modem_control=d});a.register_read(b|5,this,function(){dbg_log("read line status: "+h(this.lsr),LOG_SERIAL);return this.lsr});a.register_write(b|5,this,function(d){dbg_log("Factory test write",LOG_SERIAL)});a.register_read(b|6,this,function(){dbg_log("read modem status: "+h(this.modem_status),LOG_SERIAL);return this.modem_status});a.register_write(b|
6,this,function(d){dbg_log("Unkown register write (base+6)",LOG_SERIAL)});a.register_read(b|7,this,function(){return this.scratch_register});a.register_write(b|7,this,function(d){this.scratch_register=d})}UART.prototype.get_state=function(){var a=[];a[0]=this.ints;a[1]=this.baud_rate;a[2]=this.line_control;a[3]=this.lsr;a[4]=this.fifo_control;a[5]=this.ier;a[6]=this.iir;a[7]=this.modem_control;a[8]=this.modem_status;a[9]=this.scratch_register;a[10]=this.irq;return a};
UART.prototype.set_state=function(a){this.ints=a[0];this.baud_rate=a[1];this.line_control=a[2];this.lsr=a[3];this.fifo_control=a[4];this.ier=a[5];this.iir=a[6];this.modem_control=a[7];this.modem_status=a[8];this.scratch_register=a[9];this.irq=a[10]};
UART.prototype.CheckInterrupt=function(){this.ints&1<<UART_IIR_CTI&&this.ier&UART_IER_RDI?(this.iir=UART_IIR_CTI,this.cpu.device_raise_irq(this.irq)):this.ints&1<<UART_IIR_RDI&&this.ier&UART_IER_RDI?(this.iir=UART_IIR_RDI,this.cpu.device_raise_irq(this.irq)):this.ints&1<<UART_IIR_THRI&&this.ier&UART_IER_THRI?(this.iir=UART_IIR_THRI,this.cpu.device_raise_irq(this.irq)):this.ints&1<<UART_IIR_MSI&&this.ier&UART_IER_MSI?(this.iir=UART_IIR_MSI,this.cpu.device_raise_irq(this.irq)):(this.iir=UART_IIR_NO_INT,
this.cpu.device_lower_irq(this.irq))};UART.prototype.ThrowInterrupt=function(a){this.ints|=1<<a;this.CheckInterrupt()};UART.prototype.ClearInterrupt=function(a){this.ints&=~(1<<a);this.CheckInterrupt()};UART.prototype.data_received=function(a){dbg_log("input: "+h(a),LOG_SERIAL);this.input.push(a);this.lsr|=UART_LSR_DATA_READY;this.fifo_control&1?this.ThrowInterrupt(UART_IIR_CTI):this.ThrowInterrupt(UART_IIR_RDI)};
UART.prototype.write_data=function(a){if(this.line_control&DLAB)this.baud_rate=this.baud_rate&-256|a;else if(dbg_log("data: "+h(a),LOG_SERIAL),this.ThrowInterrupt(UART_IIR_THRI),255!==a){var b=String.fromCharCode(a);this.bus.send("serial"+this.com+"-output-char",b);this.current_line.push(a);"\n"===b&&(a=String.fromCharCode.apply("",this.current_line).trimRight().replace(/[\x00-\x08\x0b-\x1f\x7f\x80-\xff]/g,""),dbg_log("SERIAL: "+a),this.bus.send("serial"+this.com+"-output-line",String.fromCharCode.apply("",
this.current_line)),this.current_line=[])}};var HPET_ADDR=4275044352,HPET_PERIOD=1E8,HPET_FREQ_MS=1E12/HPET_PERIOD,HPET_SUPPORT_64=0,HPET_COUNTER_CONFIG=16|HPET_SUPPORT_64<<5,HPET_COUNTER_CONFIG_MASK=32816,HPET_NUM_COUNTERS=4;
function HPET(a){function b(){return e?(Date.now()-f)*HPET_FREQ_MS+g|0:g}function c(){return HPET_SUPPORT_64?e?(Date.now()-f)*(HPET_FREQ_MS/4294967296)+k|0:k:0}var d=this,e=!1,f=Date.now(),g=0,k=0,l=!1,m=0,n=new Int32Array(HPET_NUM_COUNTERS<<1),p=new Int32Array(HPET_NUM_COUNTERS<<1),t=new Int32Array(HPET_NUM_COUNTERS<<1),q=0;this.legacy_mode=!1;this.timer=function(r){if(!e)return 100;r=b()>>>0;for(var v,u,x=0;x<HPET_NUM_COUNTERS;x++)if(v=n[x<<1],u=p[x<<1]>>>0,q<=r?u>q&&u<=r:u>q||u<=r)u=v&4,v&2?(u=
u&&!(m&1<<x),m|=1<<x):m&=~(1<<x),v&8&&(p[x<<1]+=t[x<<1]),u&&a.device_raise_irq(0);q=r;return 100};a.io.mmap_register(HPET_ADDR,16384,function(r){dbg_log("Read "+h(r,4)+" (ctr="+h(b()>>>0)+")",LOG_HPET);switch(r){case 0:return HPET_NUM_COUNTERS-1<<8|98305|HPET_SUPPORT_64<<13;case 4:return HPET_PERIOD;case 16:return d.legacy_mode<<1|e;case 240:return b();case 244:return c()}var v=r>>2&7,u=r-256>>5;if(256>r||u>=HPET_NUM_COUNTERS||5<v)return dbg_log("Read reserved address: "+h(r),LOG_HPET),0;dbg_log("Read counter: addr="+
h(r)+" counter="+h(u,2)+" reg="+h(v),LOG_HPET);switch(v){case 0:return n[u<<1]&~HPET_COUNTER_CONFIG_MASK|HPET_COUNTER_CONFIG;case 1:return n[u<<1|1];case 2:return p[u<<1];case 3:return p[u<<1|1];case 4:case 5:return 0}},function(r,v){dbg_log("Write "+h(r,4)+": "+h(v,2),LOG_HPET);switch(r){case 16:dbg_log("conf: enabled="+(v&1)+" legacy="+(v>>1&1),LOG_HPET);(e^v)&1&&(v&1?f=Date.now():(g=b(),k=c()));e=1===(v&1);d.legacy_mode=2===(v&2);return;case 32:m&=~v;return;case 240:g=v;return;case 244:k=v;return}var u=
r>>2&7,x=r-256>>5;if(256>r||x>=HPET_NUM_COUNTERS||2<u)dbg_log("Write reserved address: "+h(r)+" data="+h(v),LOG_HPET);else switch(dbg_log("Write counter: addr="+h(r)+" counter="+h(x,2)+" reg="+h(u)+" data="+h(v,2),LOG_HPET),u){case 0:n[x<<1]=v;break;case 2:l?(t[x<<1]=v,l=!1,dbg_log("Accumulator acc="+h(v>>>0,8)+" ctr="+h(x,2),LOG_HPET)):(p[x<<1]=v,n[x<<1]&64&&(l=!0,n[x<<1]&=-65));break;case 3:p[x<<1|1]=v}})};var PMTIMER_FREQ_SECONDS=3579545;
function ACPI(a){this.cpu=a;var b=a.io;a.devices.pci.register_device({pci_id:56,pci_space:[134,128,19,113,7,0,128,2,8,0,128,6,0,0,128,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,1,0,0],pci_bars:[],name:"acpi"});this.timer_imprecision_offset=this.timer_last_value=0;this.status=1;this.pm1_enable=this.pm1_status=0;this.last_timer=this.get_timer(v86.microtick());this.gpe=new Uint8Array(4);b.register_read(45056,this,void 0,function(){dbg_log("ACPI pm1_status read",
LOG_ACPI);return this.pm1_status});b.register_write(45056,this,void 0,function(c){dbg_log("ACPI pm1_status write: "+h(c,4),LOG_ACPI);this.pm1_status&=~c});b.register_read(45058,this,void 0,function(){dbg_log("ACPI pm1_enable read",LOG_ACPI);return this.pm1_enable});b.register_write(45058,this,void 0,function(c){dbg_log("ACPI pm1_enable write: "+h(c),LOG_ACPI);this.pm1_enable=c});b.register_read(45060,this,void 0,function(){dbg_log("ACPI status read",LOG_ACPI);return this.status});b.register_write(45060,
this,void 0,function(c){dbg_log("ACPI status write: "+h(c),LOG_ACPI);this.status=c});b.register_read(45064,this,void 0,void 0,function(){return this.get_timer(v86.microtick())&16777215});b.register_read(45024,this,function(){dbg_log("Read gpe#0",LOG_ACPI);return this.gpe[0]});b.register_read(45025,this,function(){dbg_log("Read gpe#1",LOG_ACPI);return this.gpe[1]});b.register_read(45026,this,function(){dbg_log("Read gpe#2",LOG_ACPI);return this.gpe[2]});b.register_read(45027,this,function(){dbg_log("Read gpe#3",
LOG_ACPI);return this.gpe[3]});b.register_write(45024,this,function(c){dbg_log("Write gpe#0: "+h(c),LOG_ACPI);this.gpe[0]=c});b.register_write(45025,this,function(c){dbg_log("Write gpe#1: "+h(c),LOG_ACPI);this.gpe[1]=c});b.register_write(45026,this,function(c){dbg_log("Write gpe#2: "+h(c),LOG_ACPI);this.gpe[2]=c});b.register_write(45027,this,function(c){dbg_log("Write gpe#3: "+h(c),LOG_ACPI);this.gpe[3]=c})}
ACPI.prototype.timer=function(a){a=this.get_timer(a);var b=0!==((a^this.last_timer)&8388608);this.pm1_enable&1&&b?(dbg_log("ACPI raise irq",LOG_ACPI),this.pm1_status|=1,this.cpu.device_raise_irq(9)):this.cpu.device_lower_irq(9);this.last_timer=a;return 100};
ACPI.prototype.get_timer=function(a){a=Math.round(PMTIMER_FREQ_SECONDS/1E3*a);a===this.timer_last_value?this.timer_imprecision_offset<PMTIMER_FREQ_SECONDS/1E3&&this.timer_imprecision_offset++:(dbg_assert(a>this.timer_last_value),this.timer_last_value+this.timer_imprecision_offset<=a?(this.timer_imprecision_offset=0,this.timer_last_value=a):dbg_log("Warning: Overshot pmtimer, waiting; current="+a+" last="+this.timer_last_value+" offset="+this.timer_imprecision_offset,LOG_ACPI));return this.timer_last_value+
this.timer_imprecision_offset};ACPI.prototype.get_state=function(){var a=[];a[0]=this.status;a[1]=this.pm1_status;a[2]=this.pm1_enable;a[3]=this.gpe;return a};ACPI.prototype.set_state=function(a){this.status=a[0];this.pm1_status=a[1];this.pm1_enable=a[2];this.gpe=a[3]};var APIC_LOG_VERBOSE=!1,APIC_ADDRESS=4276092928,APIC_TIMER_MODE_MASK=393216,APIC_TIMER_MODE_ONE_SHOT=0,APIC_TIMER_MODE_PERIODIC=131072,APIC_TIMER_MODE_TSC=262144,DELIVERY_MODES="Fixed (0);Lowest Prio (1);SMI (2);Reserved (3);NMI (4);INIT (5);Reserved (6);ExtINT (7)".split(";"),DESTINATION_MODES=["physical","logical"];
function APIC(a){this.cpu=a;this.timer_divider=this.apic_id=0;this.timer_divider_shift=1;this.timer_current_count=this.timer_initial_count=0;this.next_tick=v86.microtick();this.lvt_error=this.lvt_int1=this.lvt_int0=this.lvt_perf_counter=this.lvt_timer=IOAPIC_CONFIG_MASKED;this.icr1=this.icr0=this.tpr=0;this.irr=new Int32Array(8);this.isr=new Int32Array(8);this.tmr=new Int32Array(8);this.spurious_vector=254;this.destination_format=-1;this.read_error=this.error=this.local_destination=0;a.io.mmap_register(APIC_ADDRESS,
1048576,b=>{dbg_log("Unsupported read8 from apic: "+h(b>>>0),LOG_APIC);var c=b&3;return this.read32(b&-4)>>8*c&255},(b,c)=>{dbg_log("Unsupported write8 from apic: "+h(b)+" <- "+h(c),LOG_APIC);dbg_trace();dbg_assert(!1)},b=>this.read32(b),(b,c)=>this.write32(b,c))}
APIC.prototype.read32=function(a){a=a-APIC_ADDRESS|0;switch(a){case 32:return dbg_log("APIC read id",LOG_APIC),this.apic_id;case 48:return dbg_log("APIC read version",LOG_APIC),327700;case 128:return APIC_LOG_VERBOSE&&dbg_log("APIC read tpr",LOG_APIC),this.tpr;case 208:return dbg_log("Read local destination",LOG_APIC),this.local_destination;case 224:return dbg_log("Read destination format",LOG_APIC),this.destination_format;case 240:return this.spurious_vector;case 256:case 272:case 288:case 304:case 320:case 336:case 352:case 368:return a=
a-256>>4,dbg_log("Read isr "+a+": "+h(this.isr[a]>>>0,8),LOG_APIC),this.isr[a];case 384:case 400:case 416:case 432:case 448:case 464:case 480:case 496:return a=a-384>>4,dbg_log("Read tmr "+a+": "+h(this.tmr[a]>>>0,8),LOG_APIC),this.tmr[a];case 512:case 528:case 544:case 560:case 576:case 592:case 608:case 624:return a=a-512>>4,dbg_log("Read irr "+a+": "+h(this.irr[a]>>>0,8),LOG_APIC),this.irr[a];case 640:return dbg_log("Read error: "+h(this.read_error>>>0,8),LOG_APIC),this.read_error;case 768:return APIC_LOG_VERBOSE&&
dbg_log("APIC read icr0",LOG_APIC),this.icr0;case 784:return dbg_log("APIC read icr1",LOG_APIC),this.icr1;case 800:return dbg_log("read timer lvt",LOG_APIC),this.lvt_timer;case 832:return dbg_log("read lvt perf counter",LOG_APIC),this.lvt_perf_counter;case 848:return dbg_log("read lvt int0",LOG_APIC),this.lvt_int0;case 864:return dbg_log("read lvt int1",LOG_APIC),this.lvt_int1;case 880:return dbg_log("read lvt error",LOG_APIC),this.lvt_error;case 992:return dbg_log("read timer divider",LOG_APIC),
this.timer_divider;case 896:return dbg_log("read timer initial count",LOG_APIC),this.timer_initial_count;case 912:return dbg_log("read timer current count: "+h(this.timer_current_count>>>0,8),LOG_APIC),this.timer_current_count;default:return dbg_log("APIC read "+h(a),LOG_APIC),dbg_assert(!1),0}};
APIC.prototype.write32=function(a,b){a=a-APIC_ADDRESS|0;switch(a){case 48:dbg_log("APIC write version: "+h(b>>>0,8)+", ignored",LOG_APIC);break;case 128:APIC_LOG_VERBOSE&&dbg_log("Set tpr: "+h(b&255,2),LOG_APIC);this.tpr=b&255;this.check_vector();break;case 176:a=this.highest_isr();-1!==a?(APIC_LOG_VERBOSE&&dbg_log("eoi: "+h(b>>>0,8)+" for vector "+h(a),LOG_APIC),this.register_clear_bit(this.isr,a),this.register_get_bit(this.tmr,a)&&this.cpu.devices.ioapic.remote_eoi(a),this.check_vector()):dbg_log("Bad eoi: No isr set",
LOG_APIC);break;case 208:dbg_log("Set local destination: "+h(b>>>0,8),LOG_APIC);this.local_destination=b&4278190080;break;case 224:dbg_log("Set destination format: "+h(b>>>0,8),LOG_APIC);this.destination_format=b|16777215;break;case 240:dbg_log("Set spurious vector: "+h(b>>>0,8),LOG_APIC);this.spurious_vector=b;break;case 640:dbg_log("Write error: "+h(b>>>0,8),LOG_APIC);this.read_error=this.error;this.error=0;break;case 768:a=b&255;var c=b>>8&7,d=b>>11&1,e=b>>15&1,f=b>>18&3,g=this.icr1>>>24;dbg_log("APIC write icr0: "+
h(b,8)+" vector="+h(a,2)+" destination_mode="+DESTINATION_MODES[d]+" delivery_mode="+DELIVERY_MODES[c]+" destination_shorthand="+["no","self","all with self","all without self"][f],LOG_APIC);this.icr0=b&-4097;0===f?this.route(a,c,e,g,d):1===f?this.deliver(a,IOAPIC_DELIVERY_FIXED,e):2===f?this.deliver(a,c,e):3!==f&&dbg_assert(!1);break;case 784:dbg_log("APIC write icr1: "+h(b>>>0,8),LOG_APIC);this.icr1=b;break;case 800:dbg_log("timer lvt: "+h(b>>>0,8),LOG_APIC);this.lvt_timer=b;break;case 832:dbg_log("lvt perf counter: "+
h(b>>>0,8),LOG_APIC);this.lvt_perf_counter=b;break;case 848:dbg_log("lvt int0: "+h(b>>>0,8),LOG_APIC);this.lvt_int0=b;break;case 864:dbg_log("lvt int1: "+h(b>>>0,8),LOG_APIC);this.lvt_int1=b;break;case 880:dbg_log("lvt error: "+h(b>>>0,8),LOG_APIC);this.lvt_error=b;break;case 992:dbg_log("timer divider: "+h(b>>>0,8),LOG_APIC);this.timer_divider=b;b=b&3|(b&8)>>1;this.timer_divider_shift=7===b?0:b+1;break;case 896:dbg_log("timer initial: "+h(b>>>0,8),LOG_APIC);this.timer_initial_count=b>>>0;this.timer_current_count=
b>>>0;this.next_tick=v86.microtick();this.timer_active=!0;break;case 912:dbg_log("timer current: "+h(b>>>0,8),LOG_APIC);dbg_assert(!1,"read-only register");break;default:dbg_log("APIC write32 "+h(a)+" <- "+h(b>>>0,8),LOG_APIC),dbg_assert(!1)}};
APIC.prototype.timer=function(a){if(0===this.timer_current_count)return 100;const b=TSC_RATE/(1<<this.timer_divider_shift);a=(a-this.next_tick)*b>>>0;this.next_tick+=a/b;this.timer_current_count-=a;0>=this.timer_current_count&&(a=this.lvt_timer&APIC_TIMER_MODE_MASK,a===APIC_TIMER_MODE_PERIODIC?(this.timer_current_count%=this.timer_initial_count,0>=this.timer_current_count&&(this.timer_current_count+=this.timer_initial_count),dbg_assert(0!==this.timer_current_count),0===(this.lvt_timer&IOAPIC_CONFIG_MASKED)&&
this.deliver(this.lvt_timer&255,IOAPIC_DELIVERY_FIXED,!1)):a===APIC_TIMER_MODE_ONE_SHOT&&(this.timer_current_count=0,dbg_log("APIC timer one shot end",LOG_APIC),0===(this.lvt_timer&IOAPIC_CONFIG_MASKED)&&this.deliver(this.lvt_timer&255,IOAPIC_DELIVERY_FIXED,!1)));return Math.max(0,this.timer_current_count/b)};APIC.prototype.route=function(a,b,c,d,e){this.deliver(a,b,c)};
APIC.prototype.deliver=function(a,b,c){APIC_LOG_VERBOSE&&dbg_log("Deliver "+h(a,2)+" mode="+b+" level="+c,LOG_APIC);b!==IOAPIC_DELIVERY_INIT&&b!==IOAPIC_DELIVERY_NMI&&((16>a||255===a)&&dbg_assert(!1,"TODO: Invalid vector"),this.register_get_bit(this.irr,a)?dbg_log("Not delivered: irr already set, vector="+h(a,2),LOG_APIC):(this.register_set_bit(this.irr,a),c?this.register_set_bit(this.tmr,a):this.register_clear_bit(this.tmr,a),this.check_vector()))};
APIC.prototype.highest_irr=function(){var a=this.register_get_highest_bit(this.irr);dbg_assert(255!==a);dbg_assert(16<=a||-1===a);return a};APIC.prototype.highest_isr=function(){var a=this.register_get_highest_bit(this.isr);dbg_assert(255!==a);dbg_assert(16<=a||-1===a);return a};
APIC.prototype.check_vector=function(){var a=this.highest_irr();if(-1!==a){var b=this.highest_isr();b>=a?APIC_LOG_VERBOSE&&dbg_log("Higher isr, isr="+h(b)+" irr="+h(a),LOG_APIC):(a&240)<=(this.tpr&240)?APIC_LOG_VERBOSE&&dbg_log("Higher tpr, tpr="+h(this.tpr&240)+" irr="+h(a),LOG_APIC):this.cpu.handle_irqs()}};
APIC.prototype.acknowledge_irq=function(){var a=this.highest_irr();if(-1!==a){var b=this.highest_isr();b>=a?APIC_LOG_VERBOSE&&dbg_log("Higher isr, isr="+h(b)+" irr="+h(a),LOG_APIC):(a&240)<=(this.tpr&240)?APIC_LOG_VERBOSE&&dbg_log("Higher tpr, tpr="+h(this.tpr&240)+" irr="+h(a),LOG_APIC):(this.register_clear_bit(this.irr,a),this.register_set_bit(this.isr,a),APIC_LOG_VERBOSE&&dbg_log("Calling vector "+h(a),LOG_APIC),this.cpu.pic_call_irq(a),this.check_vector())}};
APIC.prototype.get_state=function(){var a=[];a[0]=this.apic_id;a[1]=this.timer_divider;a[2]=this.timer_divider_shift;a[3]=this.timer_initial_count;a[4]=this.timer_current_count;a[5]=this.next_tick;a[6]=this.lvt_timer;a[7]=this.lvt_perf_counter;a[8]=this.lvt_int0;a[9]=this.lvt_int1;a[10]=this.lvt_error;a[11]=this.tpr;a[12]=this.icr0;a[13]=this.icr1;a[14]=this.irr;a[15]=this.isr;a[16]=this.tmr;a[17]=this.spurious_vector;a[18]=this.destination_format;a[19]=this.local_destination;a[20]=this.error;a[21]=
this.read_error;return a};
APIC.prototype.set_state=function(a){this.apic_id=a[0];this.timer_divider=a[1];this.timer_divider_shift=a[2];this.timer_initial_count=a[3];this.timer_current_count=a[4];this.next_tick=a[5];this.lvt_timer=a[6];this.lvt_perf_counter=a[7];this.lvt_int0=a[8];this.lvt_int1=a[9];this.lvt_error=a[10];this.tpr=a[11];this.icr0=a[12];this.icr1=a[13];this.irr=a[14];this.isr=a[15];this.tmr=a[16];this.spurious_vector=a[17];this.destination_format=a[18];this.local_destination=a[19];this.error=a[20];this.read_error=
a[21]};APIC.prototype.register_get_bit=function(a,b){dbg_assert(0<=b&&256>b);return a[b>>5]>>(b&31)&1};APIC.prototype.register_set_bit=function(a,b){dbg_assert(0<=b&&256>b);a[b>>5]|=1<<(b&31)};APIC.prototype.register_clear_bit=function(a,b){dbg_assert(0<=b&&256>b);a[b>>5]&=~(1<<(b&31))};APIC.prototype.register_get_highest_bit=function(a){for(var b=7;0<=b;b--){var c=a[b];if(c)return v86util.int_log2(c>>>0)|b<<5}return-1};var IOAPIC_ADDRESS=4273995776,IOREGSEL=0,IOWIN=16,IOAPIC_IRQ_COUNT=24,IOAPIC_ID=0,IOAPIC_CONFIG_TRIGGER_MODE_LEVEL=32768,IOAPIC_CONFIG_MASKED=65536,IOAPIC_CONFIG_DELIVS=4096,IOAPIC_CONFIG_REMOTE_IRR=16384,IOAPIC_CONFIG_READONLY_MASK=IOAPIC_CONFIG_REMOTE_IRR|IOAPIC_CONFIG_DELIVS|4294836224,IOAPIC_DELIVERY_FIXED=0,IOAPIC_DELIVERY_LOWEST_PRIORITY=1,IOAPIC_DELIVERY_NMI=4,IOAPIC_DELIVERY_INIT=5;
function IOAPIC(a){this.cpu=a;this.ioredtbl_config=new Int32Array(IOAPIC_IRQ_COUNT);this.ioredtbl_destination=new Int32Array(IOAPIC_IRQ_COUNT);for(var b=0;b<this.ioredtbl_config.length;b++)this.ioredtbl_config[b]=IOAPIC_CONFIG_MASKED;this.ioregsel=0;this.ioapic_id=IOAPIC_ID;this.irq_value=this.irr=0;dbg_assert(32<=MMAP_BLOCK_SIZE);a.io.mmap_register(IOAPIC_ADDRESS,MMAP_BLOCK_SIZE,c=>{c=c-IOAPIC_ADDRESS|0;if(c>=IOWIN&&c<IOWIN+4)return c-=IOWIN,dbg_log("ioapic read8 byte "+c+" "+h(this.ioregsel),LOG_APIC),
this.read(this.ioregsel)>>8*c&255;dbg_log("Unexpected IOAPIC register read: "+h(c>>>0),LOG_APIC);dbg_assert(!1);return 0},(c,d)=>{dbg_assert(!1,"unsupported write8 from ioapic: "+h(c>>>0))},c=>{c=c-IOAPIC_ADDRESS|0;if(c===IOREGSEL)return this.ioregsel;if(c===IOWIN)return this.read(this.ioregsel);dbg_log("Unexpected IOAPIC register read: "+h(c>>>0),LOG_APIC);dbg_assert(!1);return 0},(c,d)=>{c=c-IOAPIC_ADDRESS|0;c===IOREGSEL?this.ioregsel=d:c===IOWIN?this.write(this.ioregsel,d):(dbg_log("Unexpected IOAPIC register write: "+
h(c>>>0)+" <- "+h(d>>>0,8),LOG_APIC),dbg_assert(!1))})}IOAPIC.prototype.remote_eoi=function(a){for(var b=0;b<IOAPIC_IRQ_COUNT;b++){var c=this.ioredtbl_config[b];(c&255)===a&&c&IOAPIC_CONFIG_REMOTE_IRR&&(dbg_log("Clear remote IRR for irq="+h(b),LOG_APIC),this.ioredtbl_config[b]&=~IOAPIC_CONFIG_REMOTE_IRR,this.check_irq(b))}};
IOAPIC.prototype.check_irq=function(a){var b=1<<a;if(0!==(this.irr&b)){var c=this.ioredtbl_config[a];if(0===(c&IOAPIC_CONFIG_MASKED)){var d=c>>8&7,e=c>>11&1,f=c&255,g=this.ioredtbl_destination[a]>>>24,k=(c&IOAPIC_CONFIG_TRIGGER_MODE_LEVEL)===IOAPIC_CONFIG_TRIGGER_MODE_LEVEL;if(0===(c&IOAPIC_CONFIG_TRIGGER_MODE_LEVEL))this.irr&=~b;else if(this.ioredtbl_config[a]|=IOAPIC_CONFIG_REMOTE_IRR,c&IOAPIC_CONFIG_REMOTE_IRR){dbg_log("No route: level interrupt and remote IRR still set",LOG_APIC);return}d===IOAPIC_DELIVERY_FIXED||
d===IOAPIC_DELIVERY_LOWEST_PRIORITY?this.cpu.devices.apic.route(f,d,k,g,e):dbg_assert(!1,"TODO");this.ioredtbl_config[a]&=~IOAPIC_CONFIG_DELIVS}}};IOAPIC.prototype.set_irq=function(a){if(a>=IOAPIC_IRQ_COUNT)dbg_assert(!1,"Bad irq: "+a,LOG_APIC);else{var b=1<<a;0===(this.irq_value&b)&&(APIC_LOG_VERBOSE&&dbg_log("apic set irq "+a,LOG_APIC),this.irq_value|=b,(this.ioredtbl_config[a]&(IOAPIC_CONFIG_TRIGGER_MODE_LEVEL|IOAPIC_CONFIG_MASKED))!==IOAPIC_CONFIG_MASKED&&(this.irr|=b,this.check_irq(a)))}};
IOAPIC.prototype.clear_irq=function(a){if(a>=IOAPIC_IRQ_COUNT)dbg_assert(!1,"Bad irq: "+a,LOG_APIC);else{var b=1<<a;(this.irq_value&b)===b&&(this.irq_value&=~b,this.ioredtbl_config[a]&IOAPIC_CONFIG_TRIGGER_MODE_LEVEL&&(this.irr&=~b))}};
IOAPIC.prototype.read=function(a){if(0===a)return dbg_log("IOAPIC Read id",LOG_APIC),this.ioapic_id<<24;if(1===a)return dbg_log("IOAPIC Read version",LOG_APIC),17|IOAPIC_IRQ_COUNT-1<<16;if(2===a)return dbg_log("IOAPIC Read arbitration id",LOG_APIC),this.ioapic_id<<24;if(16<=a&&a<16+2*IOAPIC_IRQ_COUNT){var b=a-16>>1;a&1?(a=this.ioredtbl_destination[b],dbg_log("IOAPIC Read destination irq="+h(b)+" -> "+h(a,8),LOG_APIC)):(a=this.ioredtbl_config[b],dbg_log("IOAPIC Read config irq="+h(b)+" -> "+h(a,8),
LOG_APIC));return a}dbg_log("IOAPIC register read outside of range "+h(a),LOG_APIC);dbg_assert(!1);return 0};
IOAPIC.prototype.write=function(a,b){if(0===a)this.ioapic_id=b>>>24&15;else if(1===a||2===a)dbg_log("Invalid write: "+a,LOG_APIC);else if(16<=a&&a<16+2*IOAPIC_IRQ_COUNT){var c=a-16>>1;if(a&1)this.ioredtbl_destination[c]=b&4278190080,dbg_log("Write destination "+h(b>>>0,8)+" irq="+h(c)+" dest="+h(b>>>24,2),LOG_APIC);else{this.ioredtbl_config[c]=b&~IOAPIC_CONFIG_READONLY_MASK|this.ioredtbl_config[c]&IOAPIC_CONFIG_READONLY_MASK;a=b&255;var d=b>>8&7,e=b>>11&1,f=b>>15&1,g=b>>16&1;dbg_log("Write config "+
h(b>>>0,8)+" irq="+h(c)+" vector="+h(a,2)+" deliverymode="+DELIVERY_MODES[d]+" destmode="+DESTINATION_MODES[e]+" is_level="+f+" disabled="+g,LOG_APIC);this.check_irq(c)}}else dbg_log("IOAPIC register write outside of range "+h(a)+": "+h(b>>>0,8),LOG_APIC),dbg_assert(!1)};IOAPIC.prototype.get_state=function(){var a=[];a[0]=this.ioredtbl_config;a[1]=this.ioredtbl_destination;a[2]=this.ioregsel;a[3]=this.ioapic_id;a[4]=this.irr;a[5]=this.irq_value;return a};
IOAPIC.prototype.set_state=function(a){this.ioredtbl_config=a[0];this.ioredtbl_destination=a[1];this.ioregsel=a[2];this.ioapic_id=a[3];this.irr=a[4];this.irq_value=a[5]};var STATE_VERSION=6,STATE_MAGIC=-2039052682,STATE_INDEX_MAGIC=0,STATE_INDEX_VERSION=1,STATE_INDEX_TOTAL_LEN=2,STATE_INDEX_INFO_LEN=3,STATE_INFO_BLOCK_START=16;const ZSTD_MAGIC=4247762216;function StateLoadError(a){this.message=a}StateLoadError.prototype=Error();const CONSTRUCTOR_TABLE={Uint8Array,Int8Array,Uint16Array,Int16Array,Uint32Array,Int32Array,Float32Array,Float64Array};
function save_object(a,b){if("object"!==typeof a||null===a)return dbg_assert("function"!==typeof a),a;if(a instanceof Array)return a.map(f=>save_object(f,b));a.constructor===Object&&(console.log(a),dbg_assert(a.constructor!==Object,"Expected non-object"));if(a.BYTES_PER_ELEMENT){var c=new Uint8Array(a.buffer,a.byteOffset,a.length*a.BYTES_PER_ELEMENT);a=a.constructor.name.replace("bound ","");dbg_assert(CONSTRUCTOR_TABLE[a]);return{__state_type__:a,buffer_id:b.push(c)-1}}DEBUG&&!a.get_state&&console.log("Object without get_state: ",
a);c=a.get_state();a=[];for(var d=0;d<c.length;d++){var e=c[d];dbg_assert("function"!==typeof e);a[d]=save_object(e,b)}return a}function restore_buffers(a,b){if("object"!==typeof a||null===a)return dbg_assert("function"!==typeof a),a;if(a instanceof Array){for(var c=0;c<a.length;c++)a[c]=restore_buffers(a[c],b);return a}c=a.__state_type__;dbg_assert(void 0!==c);const d=CONSTRUCTOR_TABLE[c];dbg_assert(d,"Unkown type: "+c);return new d(b[a.buffer_id])}
CPU.prototype.save_state=function(){for(var a=[],b=save_object(this,a),c=[],d=0,e=0;e<a.length;e++){var f=a[e].byteLength;c[e]={offset:d,length:f};d+=f;d=d+3&-4}b=JSON.stringify({buffer_infos:c,state:b});b=(new TextEncoder).encode(b);e=STATE_INFO_BLOCK_START+b.length;e=e+3&-4;var g=e+d;d=new ArrayBuffer(g);var k=new Int32Array(d,0,STATE_INFO_BLOCK_START/4);(new Uint8Array(d,STATE_INFO_BLOCK_START,b.length)).set(b);f=new Uint8Array(d,e);k[STATE_INDEX_MAGIC]=STATE_MAGIC;k[STATE_INDEX_VERSION]=STATE_VERSION;
k[STATE_INDEX_TOTAL_LEN]=g;k[STATE_INDEX_INFO_LEN]=b.length;for(e=0;e<a.length;e++)g=a[e],dbg_assert(g.constructor===Uint8Array),f.set(g,c[e].offset);dbg_log("State: json size "+(b.byteLength>>10)+"k");dbg_log("State: Total buffers size "+(f.byteLength>>10)+"k");return d};
CPU.prototype.restore_state=function(a){function b(t,q){const r=t.length;if(r<STATE_INFO_BLOCK_START)throw new StateLoadError("Invalid length: "+r);t=new Int32Array(t.buffer,t.byteOffset,4);if(t[STATE_INDEX_MAGIC]!==STATE_MAGIC)throw new StateLoadError("Invalid header: "+h(t[STATE_INDEX_MAGIC]>>>0));if(t[STATE_INDEX_VERSION]!==STATE_VERSION)throw new StateLoadError("Version mismatch: dump="+t[STATE_INDEX_VERSION]+" we="+STATE_VERSION);if(q&&t[STATE_INDEX_TOTAL_LEN]!==r)throw new StateLoadError("Length doesn't match header: real="+
r+" header="+t[STATE_INDEX_TOTAL_LEN]);return t[STATE_INDEX_INFO_LEN]}function c(t){t=(new TextDecoder).decode(t);return JSON.parse(t)}a=new Uint8Array(a);if((new Uint32Array(a.buffer,0,1))[0]===ZSTD_MAGIC){var d=this.zstd_create_ctx(a.length);(new Uint8Array(this.wasm_memory.buffer,this.zstd_get_src_ptr(d),a.length)).set(a);var e=this.zstd_read(d,16),f=new Uint8Array(this.wasm_memory.buffer,e,16),g=b(f,!1);this.zstd_read_free(e,16);e=this.zstd_read(d,g);f=new Uint8Array(this.wasm_memory.buffer,e,
g);f=c(f);this.zstd_read_free(e,g);e=f.state;var k=f.buffer_infos;f=[];g=STATE_INFO_BLOCK_START+g;for(var l of k){k=(g+3&-4)-g;if(1048576<l.length){var m=this.zstd_read(d,k);this.zstd_read_free(m,k);m=new Uint8Array(l.length);f.push(m.buffer);for(var n=0;n<l.length;){var p=l.length-n;dbg_assert(0<=p);p=Math.min(p,1048576);const t=this.zstd_read(d,p);m.set(new Uint8Array(this.wasm_memory.buffer,t,p),n);this.zstd_read_free(t,p);n+=p}}else m=this.zstd_read(d,k+l.length),n=m+k,f.push(this.wasm_memory.buffer.slice(n,
n+l.length)),this.zstd_read_free(m,k+l.length);g+=k+l.length}e=restore_buffers(e,f);this.set_state(e);this.zstd_free_ctx(d)}else{d=b(a,!0);if(0>d||d+12>=a.length)throw new StateLoadError("Invalid info block length: "+d);l=a.subarray(STATE_INFO_BLOCK_START,STATE_INFO_BLOCK_START+d);e=c(l);l=e.state;e=e.buffer_infos;let t=STATE_INFO_BLOCK_START+d;t=t+3&-4;d=e.map(q=>{const r=t+q.offset;return a.buffer.slice(r,r+q.length)});l=restore_buffers(l,d);this.set_state(l)}};const NE2K_LOG_VERBOSE=!1,NE2K_LOG_PACKETS=!1;
var E8390_CMD=0,EN0_CLDALO=1,EN0_STARTPG=1,EN0_CLDAHI=2,EN0_STOPPG=2,EN0_BOUNDARY=3,EN0_TSR=4,EN0_TPSR=4,EN0_NCR=5,EN0_TCNTLO=5,EN0_FIFO=6,EN0_TCNTHI=6,EN0_ISR=7,EN0_CRDALO=8,EN0_RSARLO=8,EN0_CRDAHI=9,EN0_RSARHI=9,EN0_RCNTLO=10,EN0_RCNTHI=11,EN0_RSR=12,EN0_RXCR=12,EN0_TXCR=13,EN0_COUNTER0=13,EN0_DCFG=14,EN0_COUNTER1=14,EN0_IMR=15,EN0_COUNTER2=15,NE_DATAPORT=16,NE_RESET=31,ENISR_RX=1,ENISR_TX=2,ENISR_RX_ERR=4,ENISR_TX_ERR=8,ENISR_OVER=16,ENISR_COUNTERS=32,ENISR_RDC=64,ENISR_RESET=128,ENISR_ALL=63,
ENRSR_RXOK=1,START_PAGE=64,START_RX_PAGE=76,STOP_PAGE=128;
function translate_mac_address(a,b,c){a[0]===b[0]&&a[1]===b[1]&&a[2]===b[2]&&a[3]===b[3]&&a[4]===b[4]&&a[5]===b[5]&&(dbg_log("Replace mac in eth destination field",LOG_NET),a[0]=c[0],a[1]=c[1],a[2]=c[2],a[3]=c[3],a[4]=c[4],a[5]=c[5]);a[6]===b[0]&&a[7]===b[1]&&a[8]===b[2]&&a[9]===b[3]&&a[10]===b[4]&&a[11]===b[5]&&(dbg_log("Replace mac in eth source field",LOG_NET),a[6]=c[0],a[7]=c[1],a[8]=c[2],a[9]=c[3],a[10]=c[4],a[11]=c[5]);var d=a[12]<<8|a[13];if(2048===d)if(a=a.subarray(14),d=a[0]>>4,4!==d)dbg_log("Expected ipv4.version==4 but got: "+
d,LOG_NET);else{if(dbg_assert(5===(a[0]&15),"TODO: ihl!=5"),17===a[9]){a=a.subarray(20);d=a[0]<<8|a[1];var e=a[2]<<8|a[3];dbg_log("udp srcport="+d+" dstport="+e+" checksum="+h(a[6]<<8|a[7],4),LOG_NET);if(67===d||67===e)if(d=a.subarray(8),e=d[236]<<24|d[237]<<16|d[238]<<8|d[239],1669485411!==e)dbg_log("dhcp packet didn't match magic: "+h(e,8));else for(d[28]===b[0]&&d[29]===b[1]&&d[30]===b[2]&&d[31]===b[3]&&d[32]===b[4]&&d[33]===b[5]&&(dbg_log("Replace mac in dhcp.chaddr",LOG_NET),d[28]=c[0],d[29]=
c[1],d[30]=c[2],d[31]=c[3],d[32]=c[4],d[33]=c[5],a[6]=a[7]=0),e=240;e<d.length;){const f=d[e++];if(255===f)break;const g=d[e++];61===f&&1===d[e+0]&&d[e+1]===b[0]&&d[e+2]===b[1]&&d[e+3]===b[2]&&d[e+4]===b[3]&&d[e+5]===b[4]&&d[e+6]===b[5]&&(dbg_log("Replace mac in dhcp.clientidentifier",LOG_NET),d[e+1]=c[0],d[e+2]=c[1],d[e+3]=c[2],d[e+4]=c[3],d[e+5]=c[4],d[e+6]=c[5],a[6]=a[7]=0);e+=g}}}else 2054===d&&(a=a.subarray(14),dbg_log("arp oper="+a[7]+" "+format_mac(a.subarray(8,14))+" "+format_mac(a.subarray(18,
24)),LOG_NET),a[8]===b[0]&&a[9]===b[1]&&a[10]===b[2]&&a[11]===b[3]&&a[12]===b[4]&&a[13]===b[5]&&(dbg_log("Replace mac in arp.sha",LOG_NET),a[8]=c[0],a[9]=c[1],a[10]=c[2],a[11]=c[3],a[12]=c[4],a[13]=c[5]))}function format_mac(a){return[a[0].toString(16).padStart(2,"0"),a[1].toString(16).padStart(2,"0"),a[2].toString(16).padStart(2,"0"),a[3].toString(16).padStart(2,"0"),a[4].toString(16).padStart(2,"0"),a[5].toString(16).padStart(2,"0")].join(":")}
function dump_packet(a,b){const c=a[12]<<8|a[13]<<0;if(2048===c){var d=a.subarray(14);const g=d[2]<<8|d[3];var e=d[9];if(17===e){var f=d.subarray(20);d=f[0]<<8|f[1];e=f[2]<<8|f[3];const k=f[6]<<8|f[7];67===d||67===e?(f=f.subarray(8).subarray(28,34),dbg_log(b+" len="+a.length+" ethertype="+h(c)+" ipv4.len="+g+" ipv4.proto="+h(a[23])+" udp.srcport="+d+" udp.dstport="+e+" udp.chksum="+h(k,4)+" dhcp.chaddr="+format_mac(f))):dbg_log(b+" len="+a.length+" ethertype="+h(c)+" ipv4.len="+g+" ipv4.proto="+h(a[23])+
" udp.srcport="+d+" udp.dstport="+e+" udp.chksum="+h(k,4))}else 1!==e&&dbg_log(b+" len="+a.length+" ethertype="+h(c)+" ipv4.len="+g+" ipv4.proto="+h(a[23]))}else a.subarray(14),dbg_log(b+" len="+a.length+" ethertype="+h(c)+" arp");dbg_log(hex_dump(a))}
function Ne2k(a,b,c,d){this.cpu=a;this.pci=a.devices.pci;this.preserve_mac_from_state_image=c;this.mac_address_translation=d;this.bus=b;this.bus.register("net0-receive",function(e){this.receive(e)},this);this.port=768;this.name="ne2k";this.pci_space=[236,16,41,128,3,1,0,0,0,0,0,2,0,0,0,0,this.port&255|1,this.port>>8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,244,26,0,17,0,0,184,254,0,0,0,0,0,0,0,0,0,1,0,0];this.pci_id=40;this.pci_bars=[{size:32}];this.imr=this.isr=0;this.cr=1;this.tpsr=this.tcnt=
this.rcnt=this.dcfg=0;this.memory=new Uint8Array(32768);this.txcr=this.rxcr=0;this.tsr=1;this.mac=new Uint8Array([0,34,21,255*Math.random()|0,255*Math.random()|0,255*Math.random()|0]);this.mac_address_in_state=null;for(b=0;6>b;b++)this.memory[b<<1]=this.memory[b<<1|1]=this.mac[b];this.memory[28]=this.memory[29]=87;this.memory[30]=this.memory[31]=87;dbg_log("Mac: "+format_mac(this.mac),LOG_NET);this.rsar=0;this.pstart=START_PAGE;this.pstop=STOP_PAGE;this.boundary=this.curpg=START_RX_PAGE;b=a.io;b.register_read(this.port|
E8390_CMD,this,function(){dbg_log("Read cmd",LOG_NET);return this.cr});b.register_write(this.port|E8390_CMD,this,function(e){this.cr=e;dbg_log("Write command: "+h(e,2)+" newpg="+(this.cr>>6)+" txcr="+h(this.txcr,2),LOG_NET);this.cr&1||(e&24&&0===this.rcnt&&this.do_interrupt(ENISR_RDC),e&4&&(e=this.tpsr<<8,e=this.memory.subarray(e,e+this.tcnt),NE2K_LOG_PACKETS&&dump_packet(e,"send"),this.mac_address_in_state&&(e=new Uint8Array(e),translate_mac_address(e,this.mac_address_in_state,this.mac)),this.bus.send("net0-send",
e),this.bus.send("eth-transmit-end",[e.length]),this.cr&=-5,this.do_interrupt(ENISR_TX),dbg_log("Command: Transfer. length="+h(e.byteLength),LOG_NET)))});b.register_read(this.port|EN0_COUNTER0,this,function(){dbg_log("Read counter0",LOG_NET);return 0});b.register_read(this.port|EN0_COUNTER1,this,function(){dbg_log("Read8 counter1",LOG_NET);return 0},function(){dbg_log("Read16 counter1",LOG_NET);return 0});b.register_read(this.port|EN0_COUNTER2,this,function(){dbg_log("Read counter2",LOG_NET);return 0});
b.register_read(this.port|NE_RESET,this,function(){this.get_page();dbg_log("Read reset",LOG_NET);this.do_interrupt(ENISR_RESET);return 0});b.register_write(this.port|NE_RESET,this,function(e){this.get_page();dbg_log("Write reset: "+h(e,2),LOG_NET)});b.register_read(this.port|EN0_STARTPG,this,function(){var e=this.get_page();if(0===e)return this.pstart;if(1===e)return dbg_log("Read pg1/01 (mac[0])",LOG_NET),this.mac[0];if(2===e)return this.pstart;dbg_log("Read pg"+e+"/01");dbg_assert(!1);return 0});
b.register_write(this.port|EN0_STARTPG,this,function(e){var f=this.get_page();0===f?(dbg_log("start page: "+h(e,2),LOG_NET),this.pstart=e):1===f?(dbg_log("mac[0] = "+h(e),LOG_NET),this.mac[0]=e):3===f?dbg_log("Unimplemented: Write pg3/01 (9346CR): "+h(e),LOG_NET):(dbg_log("Write pg"+f+"/01: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_STOPPG,this,function(){var e=this.get_page();if(0===e)return this.pstop;if(1===e)return dbg_log("Read pg1/02 (mac[1])",LOG_NET),this.mac[1];if(2===
e)return this.pstop;dbg_log("Read pg"+e+"/02",LOG_NET);dbg_assert(!1);return 0});b.register_write(this.port|EN0_STOPPG,this,function(e){var f=this.get_page();0===f?(dbg_log("stop page: "+h(e,2),LOG_NET),e>this.memory.length>>8&&(e=this.memory.length>>8,dbg_log("XXX: Adjusting stop page to "+h(e),LOG_NET)),this.pstop=e):1===f?(dbg_log("mac[1] = "+h(e),LOG_NET),this.mac[1]=e):(dbg_log("Write pg"+f+"/02: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_ISR,this,function(){var e=this.get_page();
if(0===e)return dbg_log("Read isr: "+h(this.isr,2),LOG_NET),this.isr;if(1===e)return dbg_log("Read curpg: "+h(this.curpg,2),LOG_NET),this.curpg;dbg_assert(!1)});b.register_write(this.port|EN0_ISR,this,function(e){var f=this.get_page();0===f?(dbg_log("Write isr: "+h(e,2),LOG_NET),this.isr&=~e,this.update_irq()):1===f?(dbg_log("Write curpg: "+h(e,2),LOG_NET),this.curpg=e):dbg_assert(!1)});b.register_write(this.port|EN0_TXCR,this,function(e){var f=this.get_page();0===f?(this.txcr=e,dbg_log("Write tx config: "+
h(e,2),LOG_NET)):dbg_log("Unimplemented: Write pg"+f+"/0d "+h(e,2),LOG_NET)});b.register_write(this.port|EN0_DCFG,this,function(e){var f=this.get_page();0===f?(dbg_log("Write data configuration: "+h(e,2),LOG_NET),this.dcfg=e):dbg_log("Unimplemented: Write pg"+f+"/0e "+h(e,2),LOG_NET)});b.register_read(this.port|EN0_RCNTLO,this,function(){if(0===this.get_page())return dbg_log("Read pg0/0a",LOG_NET),80;dbg_assert(!1,"TODO");return 0});b.register_write(this.port|EN0_RCNTLO,this,function(e){var f=this.get_page();
0===f?(dbg_log("Write remote byte count low: "+h(e,2),LOG_NET),this.rcnt=this.rcnt&65280|e&255):dbg_log("Unimplemented: Write pg"+f+"/0a "+h(e,2),LOG_NET)});b.register_read(this.port|EN0_RCNTHI,this,function(){if(0===this.get_page())return dbg_log("Read pg0/0b",LOG_NET),67;dbg_assert(!1,"TODO");return 0});b.register_write(this.port|EN0_RCNTHI,this,function(e){var f=this.get_page();0===f?(dbg_log("Write remote byte count high: "+h(e,2),LOG_NET),this.rcnt=this.rcnt&255|e<<8&65280):dbg_log("Unimplemented: Write pg"+
f+"/0b "+h(e,2),LOG_NET)});b.register_read(this.port|EN0_RSARLO,this,function(){var e=this.get_page();if(0===e)return dbg_log("Read remote start address low",LOG_NET),this.rsar&255;dbg_log("Unimplemented: Read pg"+e+"/08",LOG_NET);dbg_assert(!1)});b.register_write(this.port|EN0_RSARLO,this,function(e){var f=this.get_page();0===f?(dbg_log("Write remote start address low: "+h(e,2),LOG_NET),this.rsar=this.rsar&65280|e&255):dbg_log("Unimplemented: Write pg"+f+"/08 "+h(e,2),LOG_NET)});b.register_read(this.port|
EN0_RSARHI,this,function(){var e=this.get_page();if(0===e)return dbg_log("Read remote start address high",LOG_NET),this.rsar>>8&255;dbg_log("Unimplemented: Read pg"+e+"/09",LOG_NET);dbg_assert(!1)});b.register_write(this.port|EN0_RSARHI,this,function(e){var f=this.get_page();0===f?(dbg_log("Write remote start address low: "+h(e,2),LOG_NET),this.rsar=this.rsar&255|e<<8&65280):dbg_log("Unimplemented: Write pg"+f+"/09 "+h(e,2),LOG_NET)});b.register_write(this.port|EN0_IMR,this,function(e){var f=this.get_page();
0===f?(dbg_log("Write interrupt mask register: "+h(e,2)+" isr="+h(this.isr,2),LOG_NET),this.imr=e,this.update_irq()):dbg_log("Unimplemented: Write pg"+f+"/0f "+h(e,2),LOG_NET)});b.register_read(this.port|EN0_BOUNDARY,this,function(){var e=this.get_page();if(0===e)return dbg_log("Read boundary: "+h(this.boundary,2),LOG_NET),this.boundary;if(1===e)return dbg_log("Read pg1/03 (mac[2])",LOG_NET),this.mac[2];3===e?dbg_log("Unimplemented: Read pg3/03 (CONFIG0)",LOG_NET):(dbg_log("Read pg"+e+"/03",LOG_NET),
dbg_assert(!1));return 0});b.register_write(this.port|EN0_BOUNDARY,this,function(e){var f=this.get_page();0===f?(dbg_log("Write boundary: "+h(e,2),LOG_NET),this.boundary=e):1===f?(dbg_log("mac[2] = "+h(e),LOG_NET),this.mac[2]=e):(dbg_log("Write pg"+f+"/03: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_TSR,this,function(){var e=this.get_page();if(0===e)return this.tsr;if(1===e)return dbg_log("Read pg1/04 (mac[3])",LOG_NET),this.mac[3];dbg_log("Read pg"+e+"/04",LOG_NET);dbg_assert(!1);
return 0});b.register_write(this.port|EN0_TPSR,this,function(e){var f=this.get_page();0===f?(dbg_log("Write tpsr: "+h(e,2),LOG_NET),this.tpsr=e):1===f?(dbg_log("mac[3] = "+h(e),LOG_NET),this.mac[3]=e):(dbg_log("Write pg"+f+"/04: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_TCNTLO,this,function(){var e=this.get_page();if(0===e)return dbg_log("Unimplemented: Read pg0/05 (NCR: Number of Collisions Register)",LOG_NET),0;if(1===e)return dbg_log("Read pg1/05 (mac[4])",LOG_NET),this.mac[4];
3===e?dbg_log("Unimplemented: Read pg3/05 (CONFIG2)",LOG_NET):(dbg_log("Read pg"+e+"/05",LOG_NET),dbg_assert(!1));return 0});b.register_write(this.port|EN0_TCNTLO,this,function(e){var f=this.get_page();0===f?(dbg_log("Write tcnt low: "+h(e,2),LOG_NET),this.tcnt=this.tcnt&-256|e):1===f?(dbg_log("mac[4] = "+h(e),LOG_NET),this.mac[4]=e):3===f?dbg_log("Unimplemented: Write pg3/05 (CONFIG2): "+h(e),LOG_NET):(dbg_log("Write pg"+f+"/05: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_TCNTHI,
this,function(){var e=this.get_page();if(0===e)return dbg_assert(!1,"TODO"),0;if(1===e)return dbg_log("Read pg1/06 (mac[5])",LOG_NET),this.mac[5];3===e?dbg_log("Unimplemented: Read pg3/06 (CONFIG3)",LOG_NET):(dbg_log("Read pg"+e+"/06",LOG_NET),dbg_assert(!1));return 0});b.register_write(this.port|EN0_TCNTHI,this,function(e){var f=this.get_page();0===f?(dbg_log("Write tcnt high: "+h(e,2),LOG_NET),this.tcnt=this.tcnt&255|e<<8):1===f?(dbg_log("mac[5] = "+h(e),LOG_NET),this.mac[5]=e):3===f?dbg_log("Unimplemented: Write pg3/06 (CONFIG3): "+
h(e),LOG_NET):(dbg_log("Write pg"+f+"/06: "+h(e),LOG_NET),dbg_assert(!1))});b.register_read(this.port|EN0_RSR,this,function(){var e=this.get_page();if(0===e)return 9;dbg_log("Unimplemented: Read pg"+e+"/0c",LOG_NET);dbg_assert(!1);return 0});b.register_write(this.port|EN0_RXCR,this,function(e){var f=this.get_page();0===f?(dbg_log("RX configuration reg write: "+h(e,2),LOG_NET),this.rxcr=e):dbg_log("Unimplemented: Write pg"+f+"/0c: "+h(e),LOG_NET)});b.register_read(this.port|NE_DATAPORT|0,this,this.data_port_read8,
this.data_port_read16,this.data_port_read32);b.register_write(this.port|NE_DATAPORT|0,this,this.data_port_write16,this.data_port_write16,this.data_port_write32);a.devices.pci.register_device(this)}
Ne2k.prototype.get_state=function(){var a=[];a[0]=this.isr;a[1]=this.imr;a[2]=this.cr;a[3]=this.dcfg;a[4]=this.rcnt;a[5]=this.tcnt;a[6]=this.tpsr;a[7]=this.rsar;a[8]=this.pstart;a[9]=this.curpg;a[10]=this.boundary;a[11]=this.pstop;a[12]=this.rxcr;a[13]=this.txcr;a[14]=this.tsr;a[15]=this.mac;a[16]=this.memory;return a};
Ne2k.prototype.set_state=function(a){this.isr=a[0];this.imr=a[1];this.cr=a[2];this.dcfg=a[3];this.rcnt=a[4];this.tcnt=a[5];this.tpsr=a[6];this.rsar=a[7];this.pstart=a[8];this.curpg=a[9];this.boundary=a[10];this.pstop=a[11];this.rxcr=a[12];this.txcr=a[13];this.tsr=a[14];this.preserve_mac_from_state_image?(this.mac=a[15],this.memory=a[16]):this.mac_address_translation&&(this.mac_address_in_state=a[15],this.memory=a[16],dbg_log("Using mac address translation guest_os_mac="+format_mac(this.mac_address_in_state)+
" real_mac="+format_mac(this.mac),LOG_NET))};Ne2k.prototype.do_interrupt=function(a){dbg_log("Do interrupt "+h(a,2),LOG_NET);this.isr|=a;this.update_irq()};Ne2k.prototype.update_irq=function(){this.imr&this.isr?this.pci.raise_irq(this.pci_id):this.pci.lower_irq(this.pci_id)};
Ne2k.prototype.data_port_write=function(a){NE2K_LOG_VERBOSE&&dbg_log("Write data port: data="+h(a&255,2)+" rsar="+h(this.rsar,4)+" rcnt="+h(this.rcnt,4),LOG_NET);if(16>=this.rsar||this.rsar>=START_PAGE<<8&&this.rsar<STOP_PAGE<<8)this.memory[this.rsar]=a;this.rsar++;this.rcnt--;this.rsar>=this.pstop<<8&&(this.rsar+=this.pstart-this.pstop<<8);0===this.rcnt&&this.do_interrupt(ENISR_RDC)};Ne2k.prototype.data_port_write16=function(a){this.data_port_write(a);this.dcfg&1&&this.data_port_write(a>>8)};
Ne2k.prototype.data_port_write32=function(a){this.data_port_write(a);this.data_port_write(a>>8);this.data_port_write(a>>16);this.data_port_write(a>>24)};Ne2k.prototype.data_port_read=function(){let a=0;this.rsar<STOP_PAGE<<8&&(a=this.memory[this.rsar]);NE2K_LOG_VERBOSE&&dbg_log("Read data port: data="+h(a,2)+" rsar="+h(this.rsar,4)+" rcnt="+h(this.rcnt,4),LOG_NET);this.rsar++;this.rcnt--;this.rsar>=this.pstop<<8&&(this.rsar+=this.pstart-this.pstop<<8);0===this.rcnt&&this.do_interrupt(ENISR_RDC);return a};
Ne2k.prototype.data_port_read8=function(){return this.data_port_read16()&255};Ne2k.prototype.data_port_read16=function(){return this.dcfg&1?this.data_port_read()|this.data_port_read()<<8:this.data_port_read()};Ne2k.prototype.data_port_read32=function(){return this.data_port_read()|this.data_port_read()<<8|this.data_port_read()<<16|this.data_port_read()<<24};
Ne2k.prototype.receive=function(a){if(!(this.cr&1)&&(NE2K_LOG_PACKETS&&dump_packet(a,"receive"),this.bus.send("eth-receive-end",[a.length]),this.rxcr&16||this.rxcr&4&&255===a[0]&&255===a[1]&&255===a[2]&&255===a[3]&&255===a[4]&&255===a[5]||!(this.rxcr&8&&1===(a[0]&1)||a[0]!==this.mac[0]||a[1]!==this.mac[1]||a[2]!==this.mac[2]||a[3]!==this.mac[3]||a[4]!==this.mac[4]||a[5]!==this.mac[5]))){this.mac_address_in_state&&(a=new Uint8Array(a),translate_mac_address(a,this.mac,this.mac_address_in_state));var b=
this.curpg<<8,c=Math.max(60,a.length)+4,d=b+4,e=this.curpg+1+(c>>8),f=b+c,g=1+(c>>8),k=this.boundary>this.curpg?this.boundary-this.curpg:this.pstop-this.curpg+this.boundary-this.pstart;k<g&&0!==this.boundary?dbg_log("Buffer full, dropping packet pstart="+h(this.pstart)+" pstop="+h(this.pstop)+" curpg="+h(this.curpg)+" needed="+h(g)+" boundary="+h(this.boundary)+" available="+h(k),LOG_NET):(f>this.pstop<<8?(dbg_assert(60<=a.length),f=(this.pstop<<8)-d,dbg_assert(0<=f),this.memory.set(a.subarray(0,
f),d),this.memory.set(a.subarray(f),this.pstart<<8),dbg_log("rcv cut="+h(f),LOG_NET)):(this.memory.set(a,d),60>a.length&&this.memory.fill(0,d+a.length,d+60)),e>=this.pstop&&(e+=this.pstart-this.pstop),this.memory[b]=ENRSR_RXOK,this.memory[b+1]=e,this.memory[b+2]=c,this.memory[b+3]=c>>8,this.curpg=e,dbg_log("rcv offset="+h(b)+" len="+h(c)+" next="+h(e),LOG_NET),this.do_interrupt(ENISR_RX))}};Ne2k.prototype.get_page=function(){return this.cr>>6&3};var DSP_COPYRIGHT="COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.",DSP_NO_COMMAND=0,DSP_BUFSIZE=64,DSP_DACSIZE=65536,SB_DMA_BUFSIZE=65536,SB_DMA_BLOCK_SAMPLES=1024,SB_DMA0=0,SB_DMA1=1,SB_DMA3=3,SB_DMA5=5,SB_DMA6=6,SB_DMA7=7,SB_DMA_CHANNEL_8BIT=SB_DMA1,SB_DMA_CHANNEL_16BIT=SB_DMA5,SB_IRQ2=2,SB_IRQ5=5,SB_IRQ7=7,SB_IRQ10=10,SB_IRQ=SB_IRQ5,SB_IRQ_8BIT=1,SB_IRQ_16BIT=2,SB_IRQ_MIDI=1,SB_IRQ_MPU=4,DSP_COMMAND_SIZES=new Uint8Array(256),DSP_COMMAND_HANDLERS=[],MIXER_READ_HANDLERS=[],MIXER_WRITE_HANDLERS=[],
MIXER_REGISTER_IS_LEGACY=new Uint8Array(256),FM_HANDLERS=[];
function SB16(a,b){this.cpu=a;this.bus=b;this.write_buffer=new ByteQueue(DSP_BUFSIZE);this.read_buffer=new ByteQueue(DSP_BUFSIZE);this.read_buffer_lastvalue=0;this.command=DSP_NO_COMMAND;this.mixer_current_address=this.command_size=0;this.mixer_registers=new Uint8Array(256);this.mixer_reset();this.dummy_speaker_enabled=!1;this.test_register=0;this.dsp_signed=this.dsp_16bit=this.dsp_stereo=this.dsp_highspeed=!1;this.dac_buffers=[new FloatQueue(DSP_DACSIZE),new FloatQueue(DSP_DACSIZE)];this.dma=a.devices.dma;
this.dma_channel=this.dma_irq=this.dma_bytes_block=this.dma_bytes_left=this.dma_bytes_count=this.dma_sample_count=0;this.dma_channel_8bit=SB_DMA1;this.dma_channel_16bit=SB_DMA5;this.dma_autoinit=!1;this.dma_buffer=new ArrayBuffer(SB_DMA_BUFSIZE);this.dma_buffer_int8=new Int8Array(this.dma_buffer);this.dma_buffer_uint8=new Uint8Array(this.dma_buffer);this.dma_buffer_int16=new Int16Array(this.dma_buffer);this.dma_buffer_uint16=new Uint16Array(this.dma_buffer);this.dma_syncbuffer=new SyncBuffer(this.dma_buffer);
this.dma_paused=this.dma_waiting_transfer=!1;this.sampling_rate=22050;b.send("dac-tell-sampling-rate",this.sampling_rate);this.bytes_per_sample=1;this.e2_value=170;this.e2_count=0;this.asp_registers=new Uint8Array(256);this.mpu_read_buffer=new ByteQueue(DSP_BUFSIZE);this.fm_current_address1=this.fm_current_address0=this.mpu_read_buffer_lastvalue=0;this.fm_waveform_select_enable=!1;this.irq=SB_IRQ5;this.irq_triggered=new Uint8Array(16);a.io.register_read_consecutive(544,this,this.port2x0_read,this.port2x1_read,
this.port2x2_read,this.port2x3_read);a.io.register_read_consecutive(904,this,this.port2x0_read,this.port2x1_read);a.io.register_read_consecutive(548,this,this.port2x4_read,this.port2x5_read);a.io.register_read(550,this,this.port2x6_read);a.io.register_read(551,this,this.port2x7_read);a.io.register_read(552,this,this.port2x8_read);a.io.register_read(553,this,this.port2x9_read);a.io.register_read(554,this,this.port2xA_read);a.io.register_read(555,this,this.port2xB_read);a.io.register_read(556,this,
this.port2xC_read);a.io.register_read(557,this,this.port2xD_read);a.io.register_read_consecutive(558,this,this.port2xE_read,this.port2xF_read);a.io.register_write_consecutive(544,this,this.port2x0_write,this.port2x1_write,this.port2x2_write,this.port2x3_write);a.io.register_write_consecutive(904,this,this.port2x0_write,this.port2x1_write);a.io.register_write_consecutive(548,this,this.port2x4_write,this.port2x5_write);a.io.register_write(550,this,this.port2x6_write);a.io.register_write(551,this,this.port2x7_write);
a.io.register_write_consecutive(552,this,this.port2x8_write,this.port2x9_write);a.io.register_write(554,this,this.port2xA_write);a.io.register_write(555,this,this.port2xB_write);a.io.register_write(556,this,this.port2xC_write);a.io.register_write(557,this,this.port2xD_write);a.io.register_write(558,this,this.port2xE_write);a.io.register_write(559,this,this.port2xF_write);a.io.register_read_consecutive(816,this,this.port3x0_read,this.port3x1_read);a.io.register_write_consecutive(816,this,this.port3x0_write,
this.port3x1_write);this.dma.on_unmask(this.dma_on_unmask,this);b.register("dac-request-data",function(){this.dac_handle_request()},this);b.register("speaker-has-initialized",function(){this.mixer_reset()},this);b.send("speaker-confirm-initialized");this.dsp_reset()}
SB16.prototype.dsp_reset=function(){this.write_buffer.clear();this.read_buffer.clear();this.command=DSP_NO_COMMAND;this.command_size=0;this.dummy_speaker_enabled=!1;this.test_register=0;this.dsp_signed=this.dsp_16bit=this.dsp_stereo=this.dsp_highspeed=!1;this.dac_buffers[0].clear();this.dac_buffers[1].clear();this.dma_channel=this.dma_irq=this.dma_bytes_block=this.dma_bytes_left=this.dma_bytes_count=this.dma_sample_count=0;this.dma_autoinit=!1;this.dma_buffer_uint8.fill(0);this.dma_paused=this.dma_waiting_transfer=
!1;this.e2_value=170;this.e2_count=0;this.sampling_rate=22050;this.bytes_per_sample=1;this.lower_irq(SB_IRQ_8BIT);this.irq_triggered.fill(0);this.asp_registers.fill(0);this.asp_registers[5]=1;this.asp_registers[9]=248};
SB16.prototype.get_state=function(){var a=[];a[2]=this.read_buffer_lastvalue;a[3]=this.command;a[4]=this.command_size;a[5]=this.mixer_current_address;a[6]=this.mixer_registers;a[7]=this.dummy_speaker_enabled;a[8]=this.test_register;a[9]=this.dsp_highspeed;a[10]=this.dsp_stereo;a[11]=this.dsp_16bit;a[12]=this.dsp_signed;a[15]=this.dma_sample_count;a[16]=this.dma_bytes_count;a[17]=this.dma_bytes_left;a[18]=this.dma_bytes_block;a[19]=this.dma_irq;a[20]=this.dma_channel;a[21]=this.dma_channel_8bit;a[22]=
this.dma_channel_16bit;a[23]=this.dma_autoinit;a[24]=this.dma_buffer_uint8;a[25]=this.dma_waiting_transfer;a[26]=this.dma_paused;a[27]=this.sampling_rate;a[28]=this.bytes_per_sample;a[29]=this.e2_value;a[30]=this.e2_count;a[31]=this.asp_registers;a[33]=this.mpu_read_buffer_last_value;a[34]=this.irq;a[35]=this.irq_triggered;return a};
SB16.prototype.set_state=function(a){this.read_buffer_lastvalue=a[2];this.command=a[3];this.command_size=a[4];this.mixer_current_address=a[5];this.mixer_registers=a[6];this.mixer_full_update();this.dummy_speaker_enabled=a[7];this.test_register=a[8];this.dsp_highspeed=a[9];this.dsp_stereo=a[10];this.dsp_16bit=a[11];this.dsp_signed=a[12];this.dma_sample_count=a[15];this.dma_bytes_count=a[16];this.dma_bytes_left=a[17];this.dma_bytes_block=a[18];this.dma_irq=a[19];this.dma_channel=a[20];this.dma_channel_8bit=
a[21];this.dma_channel_16bit=a[22];this.dma_autoinit=a[23];this.dma_buffer_uint8=a[24];this.dma_waiting_transfer=a[25];this.dma_paused=a[26];this.sampling_rate=a[27];this.bytes_per_sample=a[28];this.e2_value=a[29];this.e2_count=a[30];this.asp_registers=a[31];this.mpu_read_buffer_last_value=a[33];this.irq=a[34];this.irq_triggered=a[35];this.dma_buffer=this.dma_buffer_uint8.buffer;this.dma_buffer_int8=new Int8Array(this.dma_buffer);this.dma_buffer_int16=new Int16Array(this.dma_buffer);this.dma_buffer_uint16=
new Uint16Array(this.dma_buffer);this.dma_syncbuffer=new SyncBuffer(this.dma_buffer);this.dma_paused?this.bus.send("dac-disable"):this.bus.send("dac-enable")};SB16.prototype.port2x0_read=function(){dbg_log("220 read: fm music status port (unimplemented)",LOG_SB16);return 255};SB16.prototype.port2x1_read=function(){dbg_log("221 read: fm music data port (write only)",LOG_SB16);return 255};
SB16.prototype.port2x2_read=function(){dbg_log("222 read: advanced fm music status port (unimplemented)",LOG_SB16);return 255};SB16.prototype.port2x3_read=function(){dbg_log("223 read: advanced music data port (write only)",LOG_SB16);return 255};SB16.prototype.port2x4_read=function(){dbg_log("224 read: mixer address port",LOG_SB16);return this.mixer_current_address};SB16.prototype.port2x5_read=function(){dbg_log("225 read: mixer data port",LOG_SB16);return this.mixer_read(this.mixer_current_address)};
SB16.prototype.port2x6_read=function(){dbg_log("226 read: (write only)",LOG_SB16);return 255};SB16.prototype.port2x7_read=function(){dbg_log("227 read: undocumented",LOG_SB16);return 255};SB16.prototype.port2x8_read=function(){dbg_log("228 read: fm music status port (unimplemented)",LOG_SB16);return 255};SB16.prototype.port2x9_read=function(){dbg_log("229 read: fm music data port (write only)",LOG_SB16);return 255};
SB16.prototype.port2xA_read=function(){dbg_log("22A read: read data",LOG_SB16);this.read_buffer.length&&(this.read_buffer_lastvalue=this.read_buffer.shift());dbg_log(" <- "+this.read_buffer_lastvalue+" "+h(this.read_buffer_lastvalue)+" '"+String.fromCharCode(this.read_buffer_lastvalue)+"'",LOG_SB16);return this.read_buffer_lastvalue};SB16.prototype.port2xB_read=function(){dbg_log("22B read: undocumented",LOG_SB16);return 255};
SB16.prototype.port2xC_read=function(){dbg_log("22C read: write-buffer status",LOG_SB16);return 127};SB16.prototype.port2xD_read=function(){dbg_log("22D read: undocumented",LOG_SB16);return 255};SB16.prototype.port2xE_read=function(){dbg_log("22E read: read-buffer status / irq 8bit ack.",LOG_SB16);this.irq_triggered[SB_IRQ_8BIT]&&this.lower_irq(SB_IRQ_8BIT);return(this.read_buffer.length&&!this.dsp_highspeed)<<7|127};
SB16.prototype.port2xF_read=function(){dbg_log("22F read: irq 16bit ack",LOG_SB16);this.lower_irq(SB_IRQ_16BIT);return 0};SB16.prototype.port2x0_write=function(a){dbg_log("220 write: (unimplemented) fm register 0 address = "+h(a),LOG_SB16);this.fm_current_address0=0};SB16.prototype.port2x1_write=function(a){dbg_log("221 write: (unimplemented) fm register 0 data = "+h(a),LOG_SB16);var b=FM_HANDLERS[this.fm_current_address0];b||(b=this.fm_default_write);b.call(this,a,0,this.fm_current_address0)};
SB16.prototype.port2x2_write=function(a){dbg_log("222 write: (unimplemented) fm register 1 address = "+h(a),LOG_SB16);this.fm_current_address1=0};SB16.prototype.port2x3_write=function(a){dbg_log("223 write: (unimplemented) fm register 1 data ="+h(a),LOG_SB16);var b=FM_HANDLERS[this.fm_current_address1];b||(b=this.fm_default_write);b.call(this,a,1,this.fm_current_address1)};SB16.prototype.port2x4_write=function(a){dbg_log("224 write: mixer address = "+h(a),LOG_SB16);this.mixer_current_address=a};
SB16.prototype.port2x5_write=function(a){dbg_log("225 write: mixer data = "+h(a),LOG_SB16);this.mixer_write(this.mixer_current_address,a)};SB16.prototype.port2x6_write=function(a){dbg_log("226 write: reset = "+h(a),LOG_SB16);this.dsp_highspeed?(dbg_log(" -> exit highspeed",LOG_SB16),this.dsp_highspeed=!1):a&&(dbg_log(" -> reset",LOG_SB16),this.dsp_reset());this.read_buffer.clear();this.read_buffer.push(170)};SB16.prototype.port2x7_write=function(a){dbg_log("227 write: undocumented",LOG_SB16)};
SB16.prototype.port2x8_write=function(a){dbg_log("228 write: fm music register port (unimplemented)",LOG_SB16)};SB16.prototype.port2x9_write=function(a){dbg_log("229 write: fm music data port (unimplemented)",LOG_SB16)};SB16.prototype.port2xA_write=function(a){dbg_log("22A write: dsp read data port (read only)",LOG_SB16)};SB16.prototype.port2xB_write=function(a){dbg_log("22B write: undocumented",LOG_SB16)};
SB16.prototype.port2xC_write=function(a){dbg_log("22C write: write command/data",LOG_SB16);this.command===DSP_NO_COMMAND?(dbg_log("22C write: command = "+h(a),LOG_SB16),this.command=a,this.write_buffer.clear(),this.command_size=DSP_COMMAND_SIZES[a]):(dbg_log("22C write: data: "+h(a),LOG_SB16),this.write_buffer.push(a));this.write_buffer.length>=this.command_size&&this.command_do()};SB16.prototype.port2xD_write=function(a){dbg_log("22D write: undocumented",LOG_SB16)};
SB16.prototype.port2xE_write=function(a){dbg_log("22E write: dsp read buffer status (read only)",LOG_SB16)};SB16.prototype.port2xF_write=function(a){dbg_log("22F write: undocumented",LOG_SB16)};SB16.prototype.port3x0_read=function(){dbg_log("330 read: mpu data",LOG_SB16);this.mpu_read_buffer.length&&(this.mpu_read_buffer_lastvalue=this.mpu_read_buffer.shift());dbg_log(" <- "+h(this.mpu_read_buffer_lastvalue),LOG_SB16);return this.mpu_read_buffer_lastvalue};
SB16.prototype.port3x0_write=function(a){dbg_log("330 write: mpu data (unimplemented) : "+h(a),LOG_SB16)};SB16.prototype.port3x1_read=function(){dbg_log("331 read: mpu status",LOG_SB16);return 0|128*!this.mpu_read_buffer.length};SB16.prototype.port3x1_write=function(a){dbg_log("331 write: mpu command: "+h(a),LOG_SB16);255==a&&(this.mpu_read_buffer.clear(),this.mpu_read_buffer.push(254))};
SB16.prototype.command_do=function(){var a=DSP_COMMAND_HANDLERS[this.command];a||(a=this.dsp_default_handler);a.call(this);this.command=DSP_NO_COMMAND;this.command_size=0;this.write_buffer.clear()};SB16.prototype.dsp_default_handler=function(){dbg_log("Unhandled command: "+h(this.command),LOG_SB16)};function register_dsp_command(a,b,c){c||(c=SB16.prototype.dsp_default_handler);for(var d=0;d<a.length;d++)DSP_COMMAND_SIZES[a[d]]=b,DSP_COMMAND_HANDLERS[a[d]]=c}
function any_first_digit(a){for(var b=[],c=0;16>c;c++)b.push(a+c);return b}register_dsp_command([14],2,function(){this.asp_registers[this.write_buffer.shift()]=this.write_buffer.shift()});register_dsp_command([15],1,function(){this.read_buffer.clear();this.read_buffer.push(this.asp_registers[this.write_buffer.shift()])});register_dsp_command([16],1,function(){var a=audio_normalize(this.write_buffer.shift(),127.5,-1);this.dac_buffers[0].push(a);this.dac_buffers[1].push(a);this.bus.send("dac-enable")});
register_dsp_command([20,21],2,function(){this.dma_irq=SB_IRQ_8BIT;this.dma_channel=this.dma_channel_8bit;this.dsp_highspeed=this.dsp_16bit=this.dsp_signed=this.dma_autoinit=!1;this.dma_transfer_size_set();this.dma_transfer_start()});register_dsp_command([22],2);register_dsp_command([23],2);register_dsp_command([28],0,function(){this.dma_irq=SB_IRQ_8BIT;this.dma_channel=this.dma_channel_8bit;this.dma_autoinit=!0;this.dsp_highspeed=this.dsp_16bit=this.dsp_signed=!1;this.dma_transfer_start()});
register_dsp_command([31],0);register_dsp_command([32],0,function(){this.read_buffer.clear();this.read_buffer.push(127)});register_dsp_command([36],2);register_dsp_command([44],0);register_dsp_command([48],0);register_dsp_command([49],0);register_dsp_command([52],0);register_dsp_command([53],0);register_dsp_command([54],0);register_dsp_command([55],0);register_dsp_command([56],0);register_dsp_command([64],1,function(){this.sampling_rate_change(1E6/(256-this.write_buffer.shift())/this.get_channel_count())});
register_dsp_command([65,66],2,function(){this.sampling_rate_change(this.write_buffer.shift()<<8|this.write_buffer.shift())});register_dsp_command([72],2,function(){this.dma_transfer_size_set()});register_dsp_command([116],2);register_dsp_command([117],2);register_dsp_command([118],2);register_dsp_command([119],2);register_dsp_command([125],0);register_dsp_command([127],0);register_dsp_command([128],2);
register_dsp_command([144],0,function(){this.dma_irq=SB_IRQ_8BIT;this.dma_channel=this.dma_channel_8bit;this.dma_autoinit=!0;this.dsp_signed=!1;this.dsp_highspeed=!0;this.dsp_16bit=!1;this.dma_transfer_start()});register_dsp_command([145],0);register_dsp_command([152],0);register_dsp_command([153],0);register_dsp_command([160],0);register_dsp_command([168],0);
register_dsp_command(any_first_digit(176),3,function(){if(this.command&8)this.dsp_default_handler();else{var a=this.write_buffer.shift();this.dma_irq=SB_IRQ_16BIT;this.dma_channel=this.dma_channel_16bit;this.dma_autoinit=!!(this.command&4);this.dsp_signed=!!(a&16);this.dsp_stereo=!!(a&32);this.dsp_16bit=!0;this.dma_transfer_size_set();this.dma_transfer_start()}});
register_dsp_command(any_first_digit(192),3,function(){if(this.command&8)this.dsp_default_handler();else{var a=this.write_buffer.shift();this.dma_irq=SB_IRQ_8BIT;this.dma_channel=this.dma_channel_8bit;this.dma_autoinit=!!(this.command&4);this.dsp_signed=!!(a&16);this.dsp_stereo=!!(a&32);this.dsp_16bit=!1;this.dma_transfer_size_set();this.dma_transfer_start()}});register_dsp_command([208],0,function(){this.dma_paused=!0;this.bus.send("dac-disable")});
register_dsp_command([209],0,function(){this.dummy_speaker_enabled=!0});register_dsp_command([211],0,function(){this.dummy_speaker_enabled=!1});register_dsp_command([212],0,function(){this.dma_paused=!1;this.bus.send("dac-enable")});register_dsp_command([213],0,function(){this.dma_paused=!0;this.bus.send("dac-disable")});register_dsp_command([214],0,function(){this.dma_paused=!1;this.bus.send("dac-enable")});
register_dsp_command([216],0,function(){this.read_buffer.clear();this.read_buffer.push(255*this.dummy_speaker_enabled)});register_dsp_command([217,218],0,function(){this.dma_autoinit=!1});register_dsp_command([224],1,function(){this.read_buffer.clear();this.read_buffer.push(~this.write_buffer.shift())});register_dsp_command([225],0,function(){this.read_buffer.clear();this.read_buffer.push(4);this.read_buffer.push(5)});register_dsp_command([226],1);
register_dsp_command([227],0,function(){this.read_buffer.clear();for(var a=0;a<DSP_COPYRIGHT.length;a++)this.read_buffer.push(DSP_COPYRIGHT.charCodeAt(a));this.read_buffer.push(0)});register_dsp_command([228],1,function(){this.test_register=this.write_buffer.shift()});register_dsp_command([232],0,function(){this.read_buffer.clear();this.read_buffer.push(this.test_register)});register_dsp_command([242,243],0,function(){this.raise_irq()});var SB_F9=new Uint8Array(256);SB_F9[14]=255;SB_F9[15]=7;
SB_F9[55]=56;register_dsp_command([249],1,function(){var a=this.write_buffer.shift();dbg_log("dsp 0xf9: unknown function. input: "+a,LOG_SB16);this.read_buffer.clear();this.read_buffer.push(SB_F9[a])});SB16.prototype.mixer_read=function(a){var b=MIXER_READ_HANDLERS[a];b?b=b.call(this):(b=this.mixer_registers[a],dbg_log("unhandled mixer register read. addr:"+h(a)+" data:"+h(b),LOG_SB16));return b};
SB16.prototype.mixer_write=function(a,b){var c=MIXER_WRITE_HANDLERS[a];c?c.call(this,b):dbg_log("unhandled mixer register write. addr:"+h(a)+" data:"+h(b),LOG_SB16)};SB16.prototype.mixer_default_read=function(){dbg_log("mixer register read. addr:"+h(this.mixer_current_address),LOG_SB16);return this.mixer_registers[this.mixer_current_address]};
SB16.prototype.mixer_default_write=function(a){dbg_log("mixer register write. addr:"+h(this.mixer_current_address)+" data:"+h(a),LOG_SB16);this.mixer_registers[this.mixer_current_address]=a};
SB16.prototype.mixer_reset=function(){this.mixer_registers[4]=204;this.mixer_registers[34]=204;this.mixer_registers[38]=204;this.mixer_registers[40]=0;this.mixer_registers[46]=0;this.mixer_registers[10]=0;this.mixer_registers[48]=192;this.mixer_registers[49]=192;this.mixer_registers[50]=192;this.mixer_registers[51]=192;this.mixer_registers[52]=192;this.mixer_registers[53]=192;this.mixer_registers[54]=0;this.mixer_registers[55]=0;this.mixer_registers[56]=0;this.mixer_registers[57]=0;this.mixer_registers[59]=
0;this.mixer_registers[60]=31;this.mixer_registers[61]=21;this.mixer_registers[62]=11;this.mixer_registers[63]=0;this.mixer_registers[64]=0;this.mixer_registers[65]=0;this.mixer_registers[66]=0;this.mixer_registers[67]=0;this.mixer_registers[68]=128;this.mixer_registers[69]=128;this.mixer_registers[70]=128;this.mixer_registers[71]=128;this.mixer_full_update()};
SB16.prototype.mixer_full_update=function(){for(var a=1;a<this.mixer_registers.length;a++)MIXER_REGISTER_IS_LEGACY[a]||this.mixer_write(a,this.mixer_registers[a])};function register_mixer_read(a,b){b||(b=SB16.prototype.mixer_default_read);MIXER_READ_HANDLERS[a]=b}function register_mixer_write(a,b){b||(b=SB16.prototype.mixer_default_write);MIXER_WRITE_HANDLERS[a]=b}
function register_mixer_legacy(a,b,c){MIXER_REGISTER_IS_LEGACY[a]=1;MIXER_READ_HANDLERS[a]=function(){return this.mixer_registers[b]&240|this.mixer_registers[c]>>>4};MIXER_WRITE_HANDLERS[a]=function(d){this.mixer_registers[a]=d;var e=d<<4&240|this.mixer_registers[c]&15;this.mixer_write(b,d&240|this.mixer_registers[b]&15);this.mixer_write(c,e)}}
function register_mixer_volume(a,b,c){MIXER_READ_HANDLERS[a]=SB16.prototype.mixer_default_read;MIXER_WRITE_HANDLERS[a]=function(d){this.mixer_registers[a]=d;this.bus.send("mixer-volume",[b,c,(d>>>2)-62])}}register_mixer_read(0,function(){this.mixer_reset();return 0});register_mixer_write(0);register_mixer_legacy(4,50,51);register_mixer_legacy(34,48,49);register_mixer_legacy(38,52,53);register_mixer_legacy(40,54,55);register_mixer_legacy(46,56,57);register_mixer_volume(48,MIXER_SRC_MASTER,MIXER_CHANNEL_LEFT);
register_mixer_volume(49,MIXER_SRC_MASTER,MIXER_CHANNEL_RIGHT);register_mixer_volume(50,MIXER_SRC_DAC,MIXER_CHANNEL_LEFT);register_mixer_volume(51,MIXER_SRC_DAC,MIXER_CHANNEL_RIGHT);register_mixer_read(59);register_mixer_write(59,function(a){this.mixer_registers[59]=a;this.bus.send("mixer-volume",[MIXER_SRC_PCSPEAKER,MIXER_CHANNEL_BOTH,6*(a>>>6)-18])});register_mixer_read(65);register_mixer_write(65,function(a){this.mixer_registers[65]=a;this.bus.send("mixer-gain-left",6*(a>>>6))});register_mixer_read(66);
register_mixer_write(66,function(a){this.mixer_registers[66]=a;this.bus.send("mixer-gain-right",6*(a>>>6))});register_mixer_read(68);register_mixer_write(68,function(a){this.mixer_registers[68]=a;a>>>=3;this.bus.send("mixer-treble-left",a-(16>a?14:16))});register_mixer_read(69);register_mixer_write(69,function(a){this.mixer_registers[69]=a;a>>>=3;this.bus.send("mixer-treble-right",a-(16>a?14:16))});register_mixer_read(70);
register_mixer_write(70,function(a){this.mixer_registers[70]=a;a>>>=3;this.bus.send("mixer-bass-right",a-(16>a?14:16))});register_mixer_read(71);register_mixer_write(71,function(a){this.mixer_registers[71]=a;a>>>=3;this.bus.send("mixer-bass-right",a-(16>a?14:16))});register_mixer_read(128,function(){switch(this.irq){case SB_IRQ2:return 1;case SB_IRQ5:return 2;case SB_IRQ7:return 4;case SB_IRQ10:return 8;default:return 0}});
register_mixer_write(128,function(a){a&1&&(this.irq=SB_IRQ2);a&2&&(this.irq=SB_IRQ5);a&4&&(this.irq=SB_IRQ7);a&8&&(this.irq=SB_IRQ10)});register_mixer_read(129,function(){var a=0;switch(this.dma_channel_8bit){case SB_DMA0:a|=1;break;case SB_DMA1:a|=2;break;case SB_DMA3:a|=8}switch(this.dma_channel_16bit){case SB_DMA5:a|=32;break;case SB_DMA6:a|=64;break;case SB_DMA7:a|=128}return a});
register_mixer_write(129,function(a){a&1&&(this.dma_channel_8bit=SB_DMA0);a&2&&(this.dma_channel_8bit=SB_DMA1);a&8&&(this.dma_channel_8bit=SB_DMA3);a&32&&(this.dma_channel_16bit=SB_DMA5);a&64&&(this.dma_channel_16bit=SB_DMA6);a&128&&(this.dma_channel_16bit=SB_DMA7)});register_mixer_read(130,function(){for(var a=32,b=0;16>b;b++)a|=b*this.irq_triggered[b];return a});SB16.prototype.fm_default_write=function(a,b,c){dbg_log("unhandled fm register write. addr:"+b+"|"+h(c)+" data:"+h(a),LOG_SB16)};
function register_fm_write(a,b){b||(b=SB16.prototype.fm_default_write);for(var c=0;c<a.length;c++)FM_HANDLERS[a[c]]=b}function between(a,b){for(var c=[];a<=b;a++)c.push(a);return c}var SB_FM_OPERATORS_BY_OFFSET=new Uint8Array(32);SB_FM_OPERATORS_BY_OFFSET[0]=0;SB_FM_OPERATORS_BY_OFFSET[1]=1;SB_FM_OPERATORS_BY_OFFSET[2]=2;SB_FM_OPERATORS_BY_OFFSET[3]=3;SB_FM_OPERATORS_BY_OFFSET[4]=4;SB_FM_OPERATORS_BY_OFFSET[5]=5;SB_FM_OPERATORS_BY_OFFSET[8]=6;SB_FM_OPERATORS_BY_OFFSET[9]=7;
SB_FM_OPERATORS_BY_OFFSET[10]=8;SB_FM_OPERATORS_BY_OFFSET[11]=9;SB_FM_OPERATORS_BY_OFFSET[12]=10;SB_FM_OPERATORS_BY_OFFSET[13]=11;SB_FM_OPERATORS_BY_OFFSET[16]=12;SB_FM_OPERATORS_BY_OFFSET[17]=13;SB_FM_OPERATORS_BY_OFFSET[18]=14;SB_FM_OPERATORS_BY_OFFSET[19]=15;SB_FM_OPERATORS_BY_OFFSET[20]=16;SB_FM_OPERATORS_BY_OFFSET[21]=17;function get_fm_operator(a,b){return 18*a+SB_FM_OPERATORS_BY_OFFSET[b]}register_fm_write([1],function(a,b,c){this.fm_waveform_select_enable[b]=a&1;this.fm_update_waveforms()});
register_fm_write([2]);register_fm_write([3]);register_fm_write([4],function(a,b,c){});register_fm_write([5],function(a,b,c){0===b&&this.fm_default_write(a,b,c)});register_fm_write([8],function(a,b,c){});register_fm_write(between(32,53),function(a,b,c){get_fm_operator(b,c-32)});register_fm_write(between(64,85),function(a,b,c){get_fm_operator(b,c-64)});register_fm_write(between(96,117),function(a,b,c){get_fm_operator(b,c-96)});
register_fm_write(between(128,149),function(a,b,c){get_fm_operator(b,c-128)});register_fm_write(between(160,168),function(a,b,c){});register_fm_write(between(176,184),function(a,b,c){});register_fm_write([189],function(a,b,c){});register_fm_write(between(192,200),function(a,b,c){});register_fm_write(between(224,245),function(a,b,c){get_fm_operator(b,c-224)});SB16.prototype.fm_update_waveforms=function(){};
SB16.prototype.sampling_rate_change=function(a){this.sampling_rate=a;this.bus.send("dac-tell-sampling-rate",a)};SB16.prototype.get_channel_count=function(){return this.dsp_stereo?2:1};SB16.prototype.dma_transfer_size_set=function(){this.dma_sample_count=1+(this.write_buffer.shift()<<0)+(this.write_buffer.shift()<<8)};
SB16.prototype.dma_transfer_start=function(){dbg_log("begin dma transfer",LOG_SB16);this.bytes_per_sample=1;this.dsp_16bit&&(this.bytes_per_sample*=2);this.dma_bytes_count=this.dma_sample_count*this.bytes_per_sample;this.dma_bytes_block=SB_DMA_BLOCK_SAMPLES*this.bytes_per_sample;this.dma_bytes_block=Math.min(Math.max(this.dma_bytes_count>>2&-4,32),this.dma_bytes_block);this.dma_waiting_transfer=!0;this.dma.channel_mask[this.dma_channel]||this.dma_on_unmask(this.dma_channel)};
SB16.prototype.dma_on_unmask=function(a){a===this.dma_channel&&this.dma_waiting_transfer&&(this.dma_waiting_transfer=!1,this.dma_bytes_left=this.dma_bytes_count,this.dma_paused=!1,this.bus.send("dac-enable"))};
SB16.prototype.dma_transfer_next=function(){dbg_log("dma transfering next block",LOG_SB16);var a=Math.min(this.dma_bytes_left,this.dma_bytes_block),b=Math.floor(a/this.bytes_per_sample);this.dma.do_write(this.dma_syncbuffer,0,a,this.dma_channel,c=>{dbg_log("dma block transfer "+(c?"unsuccessful":"successful"),LOG_SB16);c||(this.dma_to_dac(b),this.dma_bytes_left-=a,this.dma_bytes_left||(this.raise_irq(this.dma_irq),this.dma_autoinit&&(this.dma_bytes_left=this.dma_bytes_count)))})};
SB16.prototype.dma_to_dac=function(a){var b=this.dsp_16bit?32767.5:127.5,c=this.dsp_signed?0:-1,d=this.dsp_stereo?1:2;var e=this.dsp_16bit?this.dsp_signed?this.dma_buffer_int16:this.dma_buffer_uint16:this.dsp_signed?this.dma_buffer_int8:this.dma_buffer_uint8;for(var f=0,g=0;g<a;g++)for(var k=audio_normalize(e[g],b,c),l=0;l<d;l++)this.dac_buffers[f].push(k),f^=1;this.dac_send()};SB16.prototype.dac_handle_request=function(){!this.dma_bytes_left||this.dma_paused?this.dac_send():this.dma_transfer_next()};
SB16.prototype.dac_send=function(){if(this.dac_buffers[0].length){var a=this.dac_buffers[0].shift_block(this.dac_buffers[0].length),b=this.dac_buffers[1].shift_block(this.dac_buffers[1].length);this.bus.send("dac-send-data",[a,b],[a.buffer,b.buffer])}};SB16.prototype.raise_irq=function(a){dbg_log("raise irq",LOG_SB16);this.irq_triggered[a]=1;this.cpu.device_raise_irq(this.irq)};SB16.prototype.lower_irq=function(a){dbg_log("lower irq",LOG_SB16);this.irq_triggered[a]=0;this.cpu.device_lower_irq(this.irq)};
function audio_normalize(a,b,c){return audio_clip(a/b+c,-1,1)}function audio_clip(a,b,c){return(a<b)*b+(a>c)*c+(b<=a&&a<=c)*a};const VIRTIO_PCI_VENDOR_ID=6900,VIRTIO_PCI_CAP_VENDOR=9,VIRTIO_PCI_CAP_LENGTH=16,VIRTIO_PCI_CAP_COMMON_CFG=1,VIRTIO_PCI_CAP_NOTIFY_CFG=2,VIRTIO_PCI_CAP_ISR_CFG=3,VIRTIO_PCI_CAP_DEVICE_CFG=4,VIRTIO_PCI_CAP_PCI_CFG=5,VIRTIO_STATUS_ACKNOWLEDGE=1,VIRTIO_STATUS_DRIVER=2,VIRTIO_STATUS_DRIVER_OK=4,VIRTIO_STATUS_FEATURES_OK=8,VIRTIO_STATUS_DEVICE_NEEDS_RESET=64,VIRTIO_STATUS_FAILED=128,VIRTIO_ISR_QUEUE=1,VIRTIO_ISR_DEVICE_CFG=2,VIRTIO_F_RING_INDIRECT_DESC=28,VIRTIO_F_RING_EVENT_IDX=29,VIRTIO_F_VERSION_1=
32,VIRTQ_DESC_ENTRYSIZE=16,VIRTQ_AVAIL_BASESIZE=6,VIRTQ_AVAIL_ENTRYSIZE=2,VIRTQ_USED_BASESIZE=6,VIRTQ_USED_ENTRYSIZE=8,VIRTQ_IDX_MASK=65535,VIRTQ_DESC_F_NEXT=1,VIRTQ_DESC_F_WRITE=2,VIRTQ_DESC_F_INDIRECT=4,VIRTQ_AVAIL_F_NO_INTERRUPT=1,VIRTQ_USED_F_NO_NOTIFY=1;var VirtIO_CapabilityStruct,VirtIO_CapabilityInfo,VirtQueue_Options,VirtIO_CommonCapabilityOptions,VirtIO_NotificationCapabilityOptions,VirtIO_ISRCapabilityOptions,VirtIO_DeviceSpecificCapabilityOptions,VirtIO_Options;
function VirtIO(a,b){this.cpu=a;this.pci=a.devices.pci;this.device_id=b.device_id;this.pci_space=[VIRTIO_PCI_VENDOR_ID&255,VIRTIO_PCI_VENDOR_ID>>8,b.device_id&255,b.device_id>>8,7,5,16,0,1,0,2,0,0,0,0,0,1,168,0,0,0,16,191,254,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,VIRTIO_PCI_VENDOR_ID&255,VIRTIO_PCI_VENDOR_ID>>8,b.subsystem_device_id&255,b.subsystem_device_id>>8,0,0,0,0,64,0,0,0,0,0,0,0,0,1,0,0];this.pci_space=this.pci_space.concat(v86util.zeros(256-this.pci_space.length));this.pci_id=b.pci_id;this.pci_bars=
[];this.name=b.name;this.driver_feature_select=this.device_feature_select=0;this.device_feature=new Uint32Array(4);this.driver_feature=new Uint32Array(4);for(var c of b.common.features)dbg_assert(0<=c,"VirtIO device<"+this.name+"> feature bit numbers must be non-negative"),dbg_assert(128>c,"VirtIO device<"+this.name+"> feature bit numbers assumed less than 128 in implementation"),this.device_feature[c>>>5]|=1<<(c&31),this.driver_feature[c>>>5]|=1<<(c&31);dbg_assert(b.common.features.includes(VIRTIO_F_VERSION_1),
"VirtIO device<"+this.name+"> only non-transitional devices are supported");this.features_ok=!0;this.device_status=0;this.config_has_changed=!1;this.config_generation=0;this.queues=[];for(var d of b.common.queues)this.queues.push(new VirtQueue(a,this,d));this.queue_select=0;this.queue_selected=this.queues[0];this.isr_status=0;if(DEBUG){c=new Set;for(var e of this.queues.map(f=>f.notify_offset))d=b.notification.single_handler?0:e,c.add(d),dbg_assert(b.notification.handlers[d],"VirtIO device<"+this.name+
"> every queue's notifier must exist");for(const [f,g]of b.notification.handlers.entries())dbg_assert(!g||c.has(f),"VirtIO device<"+this.name+"> no defined notify handler should be unused")}e=[];e.push(this.create_common_capability(b.common));e.push(this.create_notification_capability(b.notification));e.push(this.create_isr_capability(b.isr_status));b.device_specific&&e.push(this.create_device_specific_capability(b.device_specific));this.init_capabilities(e);a.devices.pci.register_device(this);this.reset()}
VirtIO.prototype.create_common_capability=function(a){return{type:VIRTIO_PCI_CAP_COMMON_CFG,bar:0,port:a.initial_port,use_mmio:!1,offset:0,extra:new Uint8Array(0),struct:[{bytes:4,name:"device_feature_select",read:()=>this.device_feature_select,write:b=>{this.device_feature_select=b}},{bytes:4,name:"device_feature",read:()=>this.device_feature[this.device_feature_select]||0,write:b=>{}},{bytes:4,name:"driver_feature_select",read:()=>this.driver_feature_select,write:b=>{this.driver_feature_select=
b}},{bytes:4,name:"driver_feature",read:()=>this.driver_feature[this.driver_feature_select]||0,write:b=>{const c=this.device_feature[this.driver_feature_select];this.driver_feature_select<this.driver_feature.length&&(this.driver_feature[this.driver_feature_select]=b&c);this.features_ok=this.features_ok&&!(b&~c)}},{bytes:2,name:"msix_config",read:()=>{dbg_log("No msi-x capability supported.",LOG_VIRTIO);return 65535},write:b=>{dbg_log("No msi-x capability supported.",LOG_VIRTIO)}},{bytes:2,name:"num_queues",
read:()=>this.queues.length,write:b=>{}},{bytes:1,name:"device_status",read:()=>this.device_status,write:b=>{0===b?(dbg_log("Reset device<"+this.name+">",LOG_VIRTIO),this.reset()):b&VIRTIO_STATUS_FAILED?dbg_log("Warning: Device<"+this.name+"> status failed",LOG_VIRTIO):dbg_log("Device<"+this.name+"> status: "+(b&VIRTIO_STATUS_ACKNOWLEDGE?"ACKNOWLEDGE ":"")+(b&VIRTIO_STATUS_DRIVER?"DRIVER ":"")+(b&VIRTIO_STATUS_DRIVER_OK?"DRIVER_OK":"")+(b&VIRTIO_STATUS_FEATURES_OK?"FEATURES_OK ":"")+(b&VIRTIO_STATUS_DEVICE_NEEDS_RESET?
"DEVICE_NEEDS_RESET":""),LOG_VIRTIO);b&~this.device_status&VIRTIO_STATUS_DRIVER_OK&&this.device_status&VIRTIO_STATUS_DEVICE_NEEDS_RESET&&this.notify_config_changes();this.features_ok||(DEBUG&&b&VIRTIO_STATUS_FEATURES_OK&&dbg_log("Removing FEATURES_OK",LOG_VIRTIO),b&=~VIRTIO_STATUS_FEATURES_OK);this.device_status=b;if(b&~this.device_status&VIRTIO_STATUS_DRIVER_OK)a.on_driver_ok()}},{bytes:1,name:"config_generation",read:()=>this.config_generation,write:b=>{}},{bytes:2,name:"queue_select",read:()=>
this.queue_select,write:b=>{this.queue_select=b;this.queue_select<this.queues.length?this.queues_selected=this.queues[this.queue_select]:this.queue_selected=null}},{bytes:2,name:"queue_size",read:()=>this.queue_selected?this.queue_selected.size:0,write:b=>{this.queue_selected&&(b&b-1&&(dbg_log("Warning: dev<"+this.name+"> Given queue size was not a power of 2. Rounding up to next power of 2.",LOG_VIRTIO),b=1<<v86util.int_log2(b-1)+1),b>this.queue_selected.size_supported&&(dbg_log("Warning: dev<"+
this.name+"> Trying to set queue size greater than supported. Clamping to supported size.",LOG_VIRTIO),b=this.queue_selected.size_supported),this.queue_selected.set_size(b))}},{bytes:2,name:"queue_msix_vector",read:()=>{dbg_log("No msi-x capability supported.",LOG_VIRTIO);return 65535},write:b=>{dbg_log("No msi-x capability supported.",LOG_VIRTIO)}},{bytes:2,name:"queue_enable",read:()=>this.queue_selected?this.queue_selected.enabled|0:0,write:b=>{this.queue_selected&&(1===b?this.queue_selected.is_configured()?
this.queue_selected.enable():dbg_log("Driver bug: tried enabling unconfigured queue",LOG_VIRTIO):0===b&&dbg_log("Driver bug: tried writing 0 to queue_enable",LOG_VIRTIO))}},{bytes:2,name:"queue_notify_off",read:()=>this.queue_selected?this.queue_selected.notify_offset:0,write:b=>{}},{bytes:4,name:"queue_desc (low dword)",read:()=>this.queue_selected?this.queue_selected.desc_addr:0,write:b=>{this.queue_selected&&(this.queue_selected.desc_addr=b)}},{bytes:4,name:"queue_desc (high dword)",read:()=>0,
write:b=>{dbg_log("Warning: High dword of 64 bit queue_desc ignored",LOG_VIRTIO)}},{bytes:4,name:"queue_avail (low dword)",read:()=>this.queue_selected?this.queue_selected.avail_addr:0,write:b=>{this.queue_selected&&(this.queue_selected.avail_addr=b)}},{bytes:4,name:"queue_avail (high dword)",read:()=>0,write:b=>{dbg_log("Warning: High dword of 64 bit queue_avail ignored",LOG_VIRTIO)}},{bytes:4,name:"queue_used (low dword)",read:()=>this.queue_selected?this.queue_selected.used_addr:0,write:b=>{this.queue_selected&&
(this.queue_selected.used_addr=b)}},{bytes:4,name:"queue_used (high dword)",read:()=>0,write:b=>{dbg_log("Warning: High dword of 64 bit queue_used ignored",LOG_VIRTIO)}}]}};
VirtIO.prototype.create_notification_capability=function(a){const b=[];let c;a.single_handler?(dbg_assert(1===a.handlers.length,"VirtIO device<"+this.name+"> too many notify handlers specified: expected single handler"),c=0):c=2;for(const [d,e]of a.handlers.entries())b.push({bytes:2,name:"notify"+d,read:()=>65535,write:e||(f=>{})});return{type:VIRTIO_PCI_CAP_NOTIFY_CFG,bar:1,port:a.initial_port,use_mmio:!1,offset:0,extra:new Uint8Array([c&255,c>>8&255,c>>16&255,c>>24]),struct:b}};
VirtIO.prototype.create_isr_capability=function(a){return{type:VIRTIO_PCI_CAP_ISR_CFG,bar:2,port:a.initial_port,use_mmio:!1,offset:0,extra:new Uint8Array(0),struct:[{bytes:1,name:"isr_status",read:()=>{const b=this.isr_status;this.lower_irq();return b},write:b=>{}}]}};
VirtIO.prototype.create_device_specific_capability=function(a){dbg_assert(~a.offset&3,"VirtIO device<"+this.name+"> device specific cap offset must be 4-byte aligned");return{type:VIRTIO_PCI_CAP_DEVICE_CFG,bar:3,port:a.initial_port,use_mmio:!1,offset:0,extra:new Uint8Array(0),struct:a.struct}};
VirtIO.prototype.init_capabilities=function(a){let b=this.pci_space[52]=64;var c=b;for(const e of a){a=VIRTIO_PCI_CAP_LENGTH+e.extra.length;c=b;b=c+a;dbg_assert(256>=b,"VirtIO device<"+this.name+"> can't fit all capabilities into 256byte configspace");dbg_assert(0<=e.bar&&6>e.bar,"VirtIO device<"+this.name+"> capability invalid bar number");var d=e.struct.reduce((f,g)=>f+g.bytes,0);d+=e.offset;d=16>d?16:1<<v86util.int_log2(d-1)+1;dbg_assert(0===(e.port&d-1),"VirtIO device<"+this.name+"> capability port should be aligned to pci bar size");
this.pci_bars[e.bar]={size:d};this.pci_space[c]=VIRTIO_PCI_CAP_VENDOR;this.pci_space[c+1]=b;this.pci_space[c+2]=a;this.pci_space[c+3]=e.type;this.pci_space[c+4]=e.bar;this.pci_space[c+5]=0;this.pci_space[c+6]=0;this.pci_space[c+7]=0;this.pci_space[c+8]=e.offset&255;this.pci_space[c+9]=e.offset>>>8&255;this.pci_space[c+10]=e.offset>>>16&255;this.pci_space[c+11]=e.offset>>>24;this.pci_space[c+12]=d&255;this.pci_space[c+13]=d>>>8&255;this.pci_space[c+14]=d>>>16&255;this.pci_space[c+15]=d>>>24;for(const [f,
g]of e.extra.entries())this.pci_space[c+16+f]=g;c=16+4*e.bar;this.pci_space[c]=e.port&254|!e.use_mmio;this.pci_space[c+1]=e.port>>>8&255;this.pci_space[c+2]=e.port>>>16&255;this.pci_space[c+3]=e.port>>>24&255;c=e.port+e.offset;for(const f of e.struct){let g=f.read;a=f.write;DEBUG&&(g=()=>{const k=f.read();dbg_log("Device<"+this.name+"> cap["+e.type+"] read["+f.name+"] => "+h(k,8*f.bytes),LOG_VIRTIO);return k},a=k=>{dbg_log("Device<"+this.name+"> cap["+e.type+"] write["+f.name+"] <= "+h(k,8*f.bytes),
LOG_VIRTIO);f.write(k)});if(e.use_mmio)dbg_assert(!1,"VirtIO device <"+this.name+"> mmio capability not implemented.");else{d=function(l){dbg_log("Warning: 8-bit read from 16-bit virtio port",LOG_VIRTIO);return g(l&-2)>>((l&1)<<3)&255};const k=function(l){dbg_log("Warning: 8-bit read from 32-bit virtio port",LOG_VIRTIO);return g(l&-4)>>((l&3)<<3)&255};switch(f.bytes){case 4:this.cpu.io.register_read(c,this,k,void 0,g);this.cpu.io.register_write(c,this,void 0,void 0,a);break;case 2:this.cpu.io.register_read(c,
this,d,g);this.cpu.io.register_write(c,this,void 0,a);break;case 1:this.cpu.io.register_read(c,this,g);this.cpu.io.register_write(c,this,a);break;default:dbg_assert(!1,"VirtIO device <"+this.name+"> invalid capability field width of "+f.bytes+" bytes")}}c+=f.bytes}}c=VIRTIO_PCI_CAP_LENGTH+4;dbg_assert(256>=b+c,"VirtIO device<"+this.name+"> can't fit all capabilities into 256byte configspace");this.pci_space[b]=VIRTIO_PCI_CAP_VENDOR;this.pci_space[b+1]=0;this.pci_space[b+2]=c;this.pci_space[b+3]=VIRTIO_PCI_CAP_PCI_CFG;
this.pci_space[b+4]=0;this.pci_space[b+5]=0;this.pci_space[b+6]=0;this.pci_space[b+7]=0;this.pci_space[b+8]=0;this.pci_space[b+9]=0;this.pci_space[b+10]=0;this.pci_space[b+11]=0;this.pci_space[b+12]=0;this.pci_space[b+13]=0;this.pci_space[b+14]=0;this.pci_space[b+15]=0;this.pci_space[b+16]=0;this.pci_space[b+17]=0;this.pci_space[b+18]=0;this.pci_space[b+19]=0};
VirtIO.prototype.get_state=function(){let a=[];a[0]=this.device_feature_select;a[1]=this.driver_feature_select;a[2]=this.device_feature;a[3]=this.driver_feature;a[4]=this.features_ok;a[5]=this.device_status;a[6]=this.config_has_changed;a[7]=this.config_generation;a[8]=this.isr_status;a[9]=this.queue_select;return a=a.concat(this.queues)};
VirtIO.prototype.set_state=function(a){this.device_feature_select=a[0];this.driver_feature_select=a[1];this.device_feature=a[2];this.driver_feature=a[3];this.features_ok=a[4];this.device_status=a[5];this.config_has_changed=a[6];this.config_generation=a[7];this.isr_status=a[8];this.queue_select=a[9];let b=0;for(let c of a.slice(10))this.queues[b].set_state(c),b++;this.queue_selected=this.queues[this.queue_select]||null};
VirtIO.prototype.reset=function(){this.driver_feature_select=this.device_feature_select=0;this.driver_feature.set(this.device_feature);this.features_ok=!0;this.queue_select=this.device_status=0;this.queue_selected=this.queues[0];for(const a of this.queues)a.reset();this.config_has_changed=!1;this.config_generation=0;this.lower_irq()};
VirtIO.prototype.notify_config_changes=function(){this.config_has_changed=!0;this.device_status&VIRTIO_STATUS_DRIVER_OK?this.raise_irq(VIRTIO_ISR_DEVICE_CFG):dbg_assert(!1,"VirtIO device<"+this.name+"> attempted to notify driver before DRIVER_OK")};VirtIO.prototype.update_config_generation=function(){this.config_has_changed&&(this.config_generation++,this.config_generation&=255,this.config_has_changed=!1)};
VirtIO.prototype.is_feature_negotiated=function(a){return 0<(this.driver_feature[a>>>5]&1<<(a&31))};VirtIO.prototype.needs_reset=function(){dbg_log("Device<"+this.name+"> experienced error - requires reset",LOG_VIRTIO);this.device_status|=VIRTIO_STATUS_DEVICE_NEEDS_RESET;this.device_status&VIRTIO_STATUS_DRIVER_OK&&this.notify_config_changes()};VirtIO.prototype.raise_irq=function(a){dbg_log("Raise irq "+h(a),LOG_VIRTIO);this.isr_status|=a;this.pci.raise_irq(this.pci_id)};
VirtIO.prototype.lower_irq=function(){dbg_log("Lower irq ",LOG_VIRTIO);this.isr_status=0;this.pci.lower_irq(this.pci_id)};function VirtQueue(a,b,c){this.cpu=a;this.virtio=b;this.size_supported=this.size=c.size_supported;this.mask=this.size-1;this.enabled=!1;this.notify_offset=c.notify_offset;this.num_staged_replies=this.used_addr=this.avail_last_idx=this.avail_addr=this.desc_addr=0;this.reset()}
VirtQueue.prototype.get_state=function(){const a=[];a[0]=this.size;a[1]=this.size_supported;a[2]=this.enabled;a[3]=this.notify_offset;a[4]=this.desc_addr;a[5]=this.avail_addr;a[6]=this.avail_last_idx;a[7]=this.used_addr;a[8]=this.num_staged_replies;return a};
VirtQueue.prototype.set_state=function(a){this.size=a[0];this.size_supported=a[1];this.enabled=a[2];this.notify_offset=a[3];this.desc_addr=a[4];this.avail_addr=a[5];this.avail_last_idx=a[6];this.used_addr=a[7];this.num_staged_replies=a[8];this.mask=this.size-1};VirtQueue.prototype.reset=function(){this.enabled=!1;this.num_staged_replies=this.used_addr=this.avail_last_idx=this.avail_addr=this.desc_addr=0;this.set_size(this.size_supported)};
VirtQueue.prototype.is_configured=function(){return this.desc_addr&&this.avail_addr&&this.used_addr};VirtQueue.prototype.enable=function(){dbg_assert(this.is_configured(),"VirtQueue must be configured before enabled");this.enabled=!0};VirtQueue.prototype.set_size=function(a){dbg_assert(0===(a&a-1),"VirtQueue size must be power of 2 or zero");dbg_assert(a<=this.size_supported,"VirtQueue size must be within supported size");this.size=a;this.mask=a-1};
VirtQueue.prototype.count_requests=function(){dbg_assert(this.avail_addr,"VirtQueue addresses must be configured before use");return this.avail_get_idx()-this.avail_last_idx&this.mask};VirtQueue.prototype.has_request=function(){dbg_assert(this.avail_addr,"VirtQueue addresses must be configured before use");return(this.avail_get_idx()&this.mask)!==this.avail_last_idx};
VirtQueue.prototype.pop_request=function(){dbg_assert(this.avail_addr,"VirtQueue addresses must be configured before use");dbg_assert(this.has_request(),"VirtQueue must not pop nonexistent request");var a=this.avail_get_entry(this.avail_last_idx);dbg_log("Pop request: avail_last_idx="+this.avail_last_idx+" desc_idx="+a,LOG_VIRTIO);a=new VirtQueueBufferChain(this,a);this.avail_last_idx=this.avail_last_idx+1&this.mask;return a};
VirtQueue.prototype.push_reply=function(a){dbg_assert(this.used_addr,"VirtQueue addresses must be configured before use");dbg_assert(this.num_staged_replies<this.size,"VirtQueue replies must not exceed queue size");const b=this.used_get_idx()+this.num_staged_replies&this.mask;dbg_log("Push reply: used_idx="+b+" desc_idx="+a.head_idx,LOG_VIRTIO);this.used_set_entry(b,a.head_idx,a.length_written);this.num_staged_replies++};
VirtQueue.prototype.flush_replies=function(){dbg_assert(this.used_addr,"VirtQueue addresses must be configured before use");if(0===this.num_staged_replies)dbg_log("flush_replies: Nothing to flush",LOG_VIRTIO);else{dbg_log("Flushing "+this.num_staged_replies+" replies",LOG_VIRTIO);var a=this.used_get_idx()+this.num_staged_replies&VIRTQ_IDX_MASK;this.used_set_idx(a);this.num_staged_replies=0;this.virtio.is_feature_negotiated(VIRTIO_F_RING_EVENT_IDX)?(this.avail_get_used_event(),this.virtio.raise_irq(VIRTIO_ISR_QUEUE)):
~this.avail_get_flags()&VIRTQ_AVAIL_F_NO_INTERRUPT&&this.virtio.raise_irq(VIRTIO_ISR_QUEUE)}};VirtQueue.prototype.notify_me_after=function(a){dbg_assert(0<=a,"Must skip a non-negative number of requests");a=this.avail_get_idx()+a&65535;this.used_set_avail_event(a)};
VirtQueue.prototype.get_descriptor=function(a,b){return{addr_low:this.cpu.read32s(a+b*VIRTQ_DESC_ENTRYSIZE),addr_high:this.cpu.read32s(a+b*VIRTQ_DESC_ENTRYSIZE+4),len:this.cpu.read32s(a+b*VIRTQ_DESC_ENTRYSIZE+8),flags:this.cpu.read16(a+b*VIRTQ_DESC_ENTRYSIZE+12),next:this.cpu.read16(a+b*VIRTQ_DESC_ENTRYSIZE+14)}};VirtQueue.prototype.avail_get_flags=function(){return this.cpu.read16(this.avail_addr)};VirtQueue.prototype.avail_get_idx=function(){return this.cpu.read16(this.avail_addr+2)};
VirtQueue.prototype.avail_get_entry=function(a){return this.cpu.read16(this.avail_addr+4+VIRTQ_AVAIL_ENTRYSIZE*a)};VirtQueue.prototype.avail_get_used_event=function(){return this.cpu.read16(this.avail_addr+4+VIRTQ_AVAIL_ENTRYSIZE*this.size)};VirtQueue.prototype.used_get_flags=function(){return this.cpu.read16(this.used_addr)};VirtQueue.prototype.used_set_flags=function(a){this.cpu.write16(this.used_addr,a)};VirtQueue.prototype.used_get_idx=function(){return this.cpu.read16(this.used_addr+2)};
VirtQueue.prototype.used_set_idx=function(a){this.cpu.write16(this.used_addr+2,a)};VirtQueue.prototype.used_set_entry=function(a,b,c){this.cpu.write32(this.used_addr+4+VIRTQ_USED_ENTRYSIZE*a,b);this.cpu.write32(this.used_addr+8+VIRTQ_USED_ENTRYSIZE*a,c)};VirtQueue.prototype.used_set_avail_event=function(a){this.cpu.write16(this.used_addr+4+VIRTQ_USED_ENTRYSIZE*this.size,a)};
function VirtQueueBufferChain(a,b){this.cpu=a.cpu;this.virtio=a.virtio;this.head_idx=b;this.read_buffers=[];this.length_readable=this.read_buffer_offset=this.read_buffer_idx=0;this.write_buffers=[];this.length_writable=this.length_written=this.write_buffer_offset=this.write_buffer_idx=0;let c=a.desc_addr,d=0,e=a.size,f=!1;const g=this.virtio.is_feature_negotiated(VIRTIO_F_RING_INDIRECT_DESC);dbg_log("<<< Descriptor chain start",LOG_VIRTIO);do{const k=a.get_descriptor(c,b);dbg_log("descriptor: idx="+
b+" addr="+h(k.addr_high,8)+":"+h(k.addr_low,8)+" len="+h(k.len,8)+" flags="+h(k.flags,4)+" next="+h(k.next,4),LOG_VIRTIO);if(g&&k.flags&VIRTQ_DESC_F_INDIRECT)DEBUG&&k.flags&VIRTQ_DESC_F_NEXT&&dbg_log("Driver bug: has set VIRTQ_DESC_F_NEXT flag in an indirect table descriptor",LOG_VIRTIO),c=k.addr_low,d=b=0,e=k.len/VIRTQ_DESC_ENTRYSIZE,dbg_log("start indirect",LOG_VIRTIO);else{if(k.flags&VIRTQ_DESC_F_WRITE)f=!0,this.write_buffers.push(k),this.length_writable+=k.len;else{if(f){dbg_log("Driver bug: readonly buffer after writeonly buffer within chain",
LOG_VIRTIO);break}this.read_buffers.push(k);this.length_readable+=k.len}d++;if(d>e){dbg_log("Driver bug: descriptor chain cycle detected",LOG_VIRTIO);break}if(k.flags&VIRTQ_DESC_F_NEXT)b=k.next;else break}}while(1);dbg_log("Descriptor chain end >>>",LOG_VIRTIO)}
VirtQueueBufferChain.prototype.get_next_blob=function(a){let b=0,c=a.length;for(;c;){if(this.read_buffer_idx===this.read_buffers.length){dbg_log("Device<"+this.virtio.name+"> Read more than device-readable buffers has",LOG_VIRTIO);break}var d=this.read_buffers[this.read_buffer_idx];const e=d.addr_low+this.read_buffer_offset;d=d.len-this.read_buffer_offset;d>c?(d=c,this.read_buffer_offset+=c):(this.read_buffer_idx++,this.read_buffer_offset=0);a.set(this.cpu.read_blob(e,d),b);b+=d;c-=d}return b};
VirtQueueBufferChain.prototype.set_next_blob=function(a){let b=0,c=a.length;for(;c;){if(this.write_buffer_idx===this.write_buffers.length){dbg_log("Device<"+this.virtio.name+"> Write more than device-writable capacity",LOG_VIRTIO);break}var d=this.write_buffers[this.write_buffer_idx];const e=d.addr_low+this.write_buffer_offset;d=d.len-this.write_buffer_offset;d>c?(d=c,this.write_buffer_offset+=c):(this.write_buffer_idx++,this.write_buffer_offset=0);this.cpu.write_blob(a.subarray(b,b+d),e);b+=d;c-=
d}this.length_written+=b;return b};var Bus={};function BusConnector(){this.listeners={};this.pair=void 0}BusConnector.prototype.register=function(a,b,c){var d=this.listeners[a];void 0===d&&(d=this.listeners[a]=[]);d.push({fn:b,this_value:c})};BusConnector.prototype.unregister=function(a,b){var c=this.listeners[a];void 0!==c&&(this.listeners[a]=c.filter(function(d){return d.fn!==b}))};
BusConnector.prototype.send=function(a,b,c){if(this.pair&&(a=this.pair.listeners[a],void 0!==a))for(c=0;c<a.length;c++){var d=a[c];d.fn.call(d.this_value,b)}};BusConnector.prototype.send_async=function(a,b){dbg_assert(1===arguments.length||2===arguments.length);setTimeout(this.send.bind(this,a,b),0)};Bus.create=function(){var a=new BusConnector,b=new BusConnector;a.pair=b;b.pair=a;return[a,b]};var log_data=[];function do_the_log(a){LOG_TO_FILE?log_data.push(a,"\n"):console.log(a)}
var dbg_log=function(){if(!DEBUG)return function(){};var a=LOG_NAMES.reduce(function(d,e){d[e[0]]=e[1];return d},{}),b="",c=0;return function(d,e){if(DEBUG&&(e=e||1,e&LOG_LEVEL)){d="["+v86util.pads(a[e]||"",4)+"] "+d;if(d===b&&(c++,2048>c))return;e=new Date;e=v86util.pad0(e.getHours(),2)+":"+v86util.pad0(e.getMinutes(),2)+":"+v86util.pad0(e.getSeconds(),2)+"+"+v86util.pad0(e.getMilliseconds(),3)+" ";c&&(1===c?do_the_log(e+b):do_the_log("Previous message repeated "+c+" times"),c=0);do_the_log(e+d);
b=d}}}();function dbg_trace(a){DEBUG&&dbg_log(Error().stack,a)}function dbg_assert(a,b,c){DEBUG&&(a||dbg_assert_failed(b))}function dbg_assert_failed(a){debugger;console.trace();if(a)throw"Assert failed: "+a;throw"Assert failed";};var CPU_LOG_VERBOSE=!1;
function CPU(a,b,c){this.next_tick_immediately=c;this.wm=b;this.wasm_patch();this.create_jit_imports();this.wasm_memory=b=this.wm.exports.memory;this.memory_size=v86util.view(Uint32Array,b,812,1);this.mem8=new Uint8Array(0);this.mem32s=new Int32Array(this.mem8.buffer);this.segment_is_null=v86util.view(Uint8Array,b,724,8);this.segment_offsets=v86util.view(Int32Array,b,736,8);this.segment_limits=v86util.view(Uint32Array,b,768,8);this.protected_mode=v86util.view(Int32Array,b,800,1);this.idtr_size=v86util.view(Int32Array,
b,564,1);this.idtr_offset=v86util.view(Int32Array,b,568,1);this.gdtr_size=v86util.view(Int32Array,b,572,1);this.gdtr_offset=v86util.view(Int32Array,b,576,1);this.tss_size_32=v86util.view(Int32Array,b,1128,1);this.page_fault=v86util.view(Uint32Array,b,540,8);this.cr=v86util.view(Int32Array,b,580,8);this.cpl=v86util.view(Uint8Array,b,612,1);this.is_32=v86util.view(Int32Array,b,804,1);this.stack_size_32=v86util.view(Int32Array,b,808,1);this.in_hlt=v86util.view(Uint8Array,b,616,1);this.last_virt_eip=
v86util.view(Int32Array,b,620,1);this.eip_phys=v86util.view(Int32Array,b,624,1);this.sysenter_cs=v86util.view(Int32Array,b,636,1);this.sysenter_esp=v86util.view(Int32Array,b,640,1);this.sysenter_eip=v86util.view(Int32Array,b,644,1);this.prefixes=v86util.view(Int32Array,b,648,1);this.flags=v86util.view(Int32Array,b,120,1);this.flags_changed=v86util.view(Int32Array,b,116,1);this.last_op1=v86util.view(Int32Array,b,96,1);this.last_op_size=v86util.view(Int32Array,b,104,1);this.last_result=v86util.view(Int32Array,
b,112,1);this.current_tsc=v86util.view(Uint32Array,b,960,2);this.devices={};this.instruction_pointer=v86util.view(Int32Array,b,556,1);this.previous_ip=v86util.view(Int32Array,b,560,1);this.apic_enabled=v86util.view(Uint8Array,b,548,1);this.acpi_enabled=v86util.view(Uint8Array,b,552,1);this.memory_map_read8=[];this.memory_map_write8=[];this.memory_map_read32=[];this.memory_map_write32=[];this.bios={main:null,vga:null};this.instruction_counter=v86util.view(Uint32Array,b,664,1);this.reg32=v86util.view(Int32Array,
b,64,8);this.fpu_st=v86util.view(Int32Array,b,1152,32);this.fpu_stack_empty=v86util.view(Uint8Array,b,816,1);this.fpu_stack_empty[0]=255;this.fpu_stack_ptr=v86util.view(Uint8Array,b,1032,1);this.fpu_stack_ptr[0]=0;this.fpu_control_word=v86util.view(Uint16Array,b,1036,1);this.fpu_control_word[0]=895;this.fpu_status_word=v86util.view(Uint16Array,b,1040,1);this.fpu_status_word[0]=0;this.fpu_ip=v86util.view(Int32Array,b,1048,1);this.fpu_ip[0]=0;this.fpu_ip_selector=v86util.view(Int32Array,b,1052,1);this.fpu_ip_selector[0]=
0;this.fpu_opcode=v86util.view(Int32Array,b,1044,1);this.fpu_opcode[0]=0;this.fpu_dp=v86util.view(Int32Array,b,1056,1);this.fpu_dp[0]=0;this.fpu_dp_selector=v86util.view(Int32Array,b,1060,1);this.fpu_dp_selector[0]=0;this.reg_xmm32s=v86util.view(Int32Array,b,832,32);this.mxcsr=v86util.view(Int32Array,b,824,1);this.sreg=v86util.view(Uint16Array,b,668,8);this.dreg=v86util.view(Int32Array,b,684,8);this.reg_pdpte=v86util.view(Int32Array,b,968,8);this.svga_dirty_bitmap_min_offset=v86util.view(Uint32Array,
b,716,1);this.svga_dirty_bitmap_max_offset=v86util.view(Uint32Array,b,720,1);this.fw_value=[];this.fw_pointer=0;this.option_roms=[];this.io=void 0;this.bus=a;this.set_tsc(0,0);this.debug_init();DEBUG&&(this.do_many_cycles_total=this.do_many_cycles_count=0,this.seen_code={},this.seen_code_uncompiled={})}CPU.prototype.clear_opstats=function(){(new Uint8Array(this.wasm_memory.buffer,32768,131072)).fill(0);this.wm.exports.profiler_init()};
CPU.prototype.create_jit_imports=function(){const a=Object.create(null);a.m=this.wm.exports.memory;for(let b of Object.keys(this.wm.exports))b.startsWith("_")||b.startsWith("zstd")||b.endsWith("_js")||(a[b]=this.wm.exports[b]);this.jit_imports=a};
CPU.prototype.wasm_patch=function(){const a=c=>this.wm.exports[c],b=c=>{const d=a(c);console.assert(d,"Missing import: "+c);return d};this.reset_cpu=b("reset_cpu");this.getiopl=b("getiopl");this.get_eflags=b("get_eflags");this.get_eflags_no_arith=b("get_eflags_no_arith");this.pic_call_irq=b("pic_call_irq");this.do_many_cycles_native=b("do_many_cycles_native");this.cycle_internal=b("cycle_internal");this.read8=b("read8");this.read16=b("read16");this.read32s=b("read32s");this.write8=b("write8");this.write16=
b("write16");this.write32=b("write32");this.in_mapped_range=b("in_mapped_range");this.fpu_load_tag_word=b("fpu_load_tag_word");this.fpu_load_status_word=b("fpu_load_status_word");this.fpu_get_sti_f64=b("fpu_get_sti_f64");this.translate_address_system_read=b("translate_address_system_read_js");this.get_seg_cs=b("get_seg_cs");this.get_real_eip=b("get_real_eip");this.clear_tlb=b("clear_tlb");this.full_clear_tlb=b("full_clear_tlb");this.set_tsc=b("set_tsc");this.store_current_tsc=b("store_current_tsc");
DEBUG&&(this.jit_force_generate_unsafe=a("jit_force_generate_unsafe"));this.jit_clear_cache=b("jit_clear_cache_js");this.jit_dirty_cache=b("jit_dirty_cache");this.codegen_finalize_finished=b("codegen_finalize_finished");this.allocate_memory=b("allocate_memory");this.zero_memory=b("zero_memory");this.svga_allocate_memory=b("svga_allocate_memory");this.svga_allocate_dest_buffer=b("svga_allocate_dest_buffer");this.svga_fill_pixel_buffer=b("svga_fill_pixel_buffer");this.svga_mark_dirty=b("svga_mark_dirty");
this.zstd_create_ctx=b("zstd_create_ctx");this.zstd_get_src_ptr=b("zstd_get_src_ptr");this.zstd_free_ctx=b("zstd_free_ctx");this.zstd_read=b("zstd_read");this.zstd_read_free=b("zstd_read_free")};CPU.prototype.jit_force_generate=function(a){this.jit_force_generate_unsafe?this.jit_force_generate_unsafe(a):dbg_assert(!1,"Not supported in this wasm build: jit_force_generate_unsafe")};
CPU.prototype.jit_clear_func=function(a){dbg_assert(0<=a&&a<WASM_TABLE_SIZE);this.wm.wasm_table.set(a+WASM_TABLE_OFFSET,null)};CPU.prototype.jit_clear_all_funcs=function(){const a=this.wm.wasm_table;for(let b=0;b<WASM_TABLE_SIZE;b++)a.set(WASM_TABLE_OFFSET+b,null)};
CPU.prototype.get_state=function(){var a=[];a[0]=this.memory_size[0];a[1]=this.segment_is_null;a[2]=this.segment_offsets;a[3]=this.segment_limits;a[4]=this.protected_mode[0];a[5]=this.idtr_offset[0];a[6]=this.idtr_size[0];a[7]=this.gdtr_offset[0];a[8]=this.gdtr_size[0];a[9]=this.page_fault[0];a[10]=this.cr;a[11]=this.cpl[0];a[13]=this.is_32[0];a[16]=this.stack_size_32[0];a[17]=this.in_hlt[0];a[18]=this.last_virt_eip[0];a[19]=this.eip_phys[0];a[22]=this.sysenter_cs[0];a[23]=this.sysenter_eip[0];a[24]=
this.sysenter_esp[0];a[25]=this.prefixes[0];a[26]=this.flags[0];a[27]=this.flags_changed[0];a[28]=this.last_op1[0];a[30]=this.last_op_size[0];a[37]=this.instruction_pointer[0];a[38]=this.previous_ip[0];a[39]=this.reg32;a[40]=this.sreg;a[41]=this.dreg;a[42]=this.reg_pdpte;this.store_current_tsc();a[43]=this.current_tsc;a[45]=this.devices.virtio_9p;a[46]=this.devices.apic;a[47]=this.devices.rtc;a[48]=this.devices.pci;a[49]=this.devices.dma;a[50]=this.devices.acpi;a[51]=this.devices.hpet;a[52]=this.devices.vga;
a[53]=this.devices.ps2;a[54]=this.devices.uart0;a[55]=this.devices.fdc;a[56]=this.devices.cdrom;a[57]=this.devices.hda;a[58]=this.devices.pit;a[59]=this.devices.net;a[60]=this.devices.pic;a[61]=this.devices.sb16;a[62]=this.fw_value;a[63]=this.devices.ioapic;a[64]=this.tss_size_32[0];a[66]=this.reg_xmm32s;a[67]=this.fpu_st;a[68]=this.fpu_stack_empty[0];a[69]=this.fpu_stack_ptr[0];a[70]=this.fpu_control_word[0];a[71]=this.fpu_ip[0];a[72]=this.fpu_ip_selector[0];a[73]=this.fpu_dp[0];a[74]=this.fpu_dp_selector[0];
a[75]=this.fpu_opcode[0];const {packed_memory:b,bitmap:c}=this.pack_memory();a[77]=b;a[78]=new Uint8Array(c.get_buffer());a[79]=this.devices.uart1;a[80]=this.devices.uart2;a[81]=this.devices.uart3;return a};
CPU.prototype.set_state=function(a){this.memory_size[0]=a[0];this.mem8.length!==this.memory_size[0]&&console.warn("Note: Memory size mismatch. we="+this.mem8.length+" state="+this.memory_size[0]);this.segment_is_null.set(a[1]);this.segment_offsets.set(a[2]);this.segment_limits.set(a[3]);this.protected_mode[0]=a[4];this.idtr_offset[0]=a[5];this.idtr_size[0]=a[6];this.gdtr_offset[0]=a[7];this.gdtr_size[0]=a[8];this.page_fault[0]=a[9];this.cr.set(a[10]);this.cpl[0]=a[11];this.is_32[0]=a[13];this.stack_size_32[0]=
a[16];this.in_hlt[0]=a[17];this.last_virt_eip[0]=a[18];this.eip_phys[0]=a[19];this.sysenter_cs[0]=a[22];this.sysenter_eip[0]=a[23];this.sysenter_esp[0]=a[24];this.prefixes[0]=a[25];this.flags[0]=a[26];this.flags_changed[0]=a[27];this.last_op1[0]=a[28];this.last_op_size[0]=a[30];this.instruction_pointer[0]=a[37];this.previous_ip[0]=a[38];this.reg32.set(a[39]);this.sreg.set(a[40]);this.dreg.set(a[41]);a[42]&&this.reg_pdpte.set(a[42]);this.set_tsc(a[43][0],a[43][1]);this.devices.virtio_9p&&this.devices.virtio_9p.set_state(a[45]);
this.devices.apic&&this.devices.apic.set_state(a[46]);this.devices.rtc&&this.devices.rtc.set_state(a[47]);this.devices.pci&&this.devices.pci.set_state(a[48]);this.devices.dma&&this.devices.dma.set_state(a[49]);this.devices.acpi&&this.devices.acpi.set_state(a[50]);this.devices.hpet&&this.devices.hpet.set_state(a[51]);this.devices.vga&&this.devices.vga.set_state(a[52]);this.devices.ps2&&this.devices.ps2.set_state(a[53]);this.devices.uart0&&this.devices.uart0.set_state(a[54]);this.devices.fdc&&this.devices.fdc.set_state(a[55]);
this.devices.cdrom&&this.devices.cdrom.set_state(a[56]);this.devices.hda&&this.devices.hda.set_state(a[57]);this.devices.pit&&this.devices.pit.set_state(a[58]);this.devices.net&&this.devices.net.set_state(a[59]);this.devices.pic&&this.devices.pic.set_state(a[60]);this.devices.sb16&&this.devices.sb16.set_state(a[61]);this.devices.uart1&&this.devices.uart1.set_state(a[79]);this.devices.uart2&&this.devices.uart2.set_state(a[80]);this.devices.uart3&&this.devices.uart3.set_state(a[81]);this.fw_value=a[62];
this.devices.ioapic&&this.devices.ioapic.set_state(a[63]);this.tss_size_32[0]=a[64];this.reg_xmm32s.set(a[66]);this.fpu_st.set(a[67]);this.fpu_stack_empty[0]=a[68];this.fpu_stack_ptr[0]=a[69];this.fpu_control_word[0]=a[70];this.fpu_ip[0]=a[71];this.fpu_ip_selector[0]=a[72];this.fpu_dp[0]=a[73];this.fpu_dp_selector[0]=a[74];this.fpu_opcode[0]=a[75];const b=new v86util.Bitmap(a[78].buffer);this.unpack_memory(b,a[77]);this.full_clear_tlb();this.jit_clear_cache()};
CPU.prototype.pack_memory=function(){dbg_assert(0===(this.mem8.length&4095));var a=this.mem8.length>>12,b=[];for(var c=0;c<a;c++){var d=c<<12;d=this.mem32s.subarray(d>>2,d+4096>>2);let e=!0;for(let f=0;f<d.length;f++)if(0!==d[f]){e=!1;break}e||b.push(c)}a=new v86util.Bitmap(a);c=new Uint8Array(b.length<<12);for(let [e,f]of b.entries())a.set(f,1),b=f<<12,b=this.mem8.subarray(b,b+4096),c.set(b,e<<12);return{bitmap:a,packed_memory:c}};
CPU.prototype.unpack_memory=function(a,b){this.zero_memory(this.memory_size[0]);const c=this.memory_size[0]>>12;let d=0;for(let f=0;f<c;f++)if(a.get(f)){var e=d<<12;e=b.subarray(e,e+4096);this.mem8.set(e,f<<12);d++}};CPU.prototype.main_run=function(){if(this.in_hlt[0]){var a=this.hlt_loop();if(this.in_hlt[0])return a}let b=a=v86.microtick();for(;b-a<TIME_PER_FRAME;){this.do_many_cycles();b=v86.microtick();const c=this.run_hardware_timers(b);this.handle_irqs();if(this.in_hlt[0])return c}return 0};
CPU.prototype.reboot_internal=function(){this.reset_cpu();this.fw_value=[];this.devices.virtio&&this.devices.virtio.reset();this.load_bios()};CPU.prototype.reset_memory=function(){this.mem8.fill(0)};
CPU.prototype.create_memory=function(a){1048576>a?a=1048576:0>(a|0)&&(a=Math.pow(2,31)-MMAP_BLOCK_SIZE);a=(a-1|MMAP_BLOCK_SIZE-1)+1|0;dbg_assert(0<(a|0));dbg_assert(0===(a&MMAP_BLOCK_SIZE-1));console.assert(0===this.memory_size[0],"Expected uninitialised memory");this.memory_size[0]=a;const b=this.allocate_memory(a);this.mem8=v86util.view(Uint8Array,this.wasm_memory,b,a);this.mem32s=v86util.view(Uint32Array,this.wasm_memory,b,a>>2)};goog.exportProperty(CPU.prototype,"create_memory",CPU.prototype.create_memory);
CPU.prototype.init=function(a,b){"number"===typeof a.log_level&&(LOG_LEVEL=a.log_level);this.create_memory("number"===typeof a.memory_size?a.memory_size:67108864);this.acpi_enabled[0]=+a.acpi;this.reset_cpu();var c=new IO(this);this.io=c;this.bios.main=a.bios;this.bios.vga=a.vga_bios;this.load_bios();if(a.bzimage){const {option_rom:e}=load_kernel(this.mem8,a.bzimage,a.initrd,a.cmdline||"");e&&this.option_roms.push(e)}c.register_read(179,this,function(){dbg_log("port 0xB3 read");return 0});var d=0;
c.register_read(146,this,function(){return d});c.register_write(146,this,function(e){d=e});c.register_read(1297,this,function(){if(this.fw_pointer<this.fw_value.length)return this.fw_value[this.fw_pointer++];dbg_assert(!1,"config port: Read past value");return 0});c.register_write(1296,this,void 0,function(e){function f(l){return new Uint8Array((new Int32Array([l])).buffer)}function g(l){return l>>8|l<<8&65280}function k(l){return l<<24|l<<8&16711680|l>>8&65280|l>>>24}dbg_log("bios config port, index="+
h(e));this.fw_pointer=0;if(e===FW_CFG_SIGNATURE)this.fw_value=f(FW_CFG_SIGNATURE_QEMU);else if(e===FW_CFG_ID)this.fw_value=f(0);else if(e===FW_CFG_RAM_SIZE)this.fw_value=f(this.memory_size[0]);else if(e===FW_CFG_NB_CPUS)this.fw_value=f(1);else if(e===FW_CFG_MAX_CPUS)this.fw_value=f(1);else if(e===FW_CFG_NUMA)this.fw_value=new Uint8Array(16);else if(e===FW_CFG_FILE_DIR){e=new Int32Array(4+64*this.option_roms.length);const l=new Uint8Array(e.buffer);e[0]=k(this.option_roms.length);for(let m=0;m<this.option_roms.length;m++){const {name:n,
data:p}=this.option_roms[m],t=4+64*m;dbg_assert(65536>FW_CFG_FILE_START+m);e[t+0>>2]=k(p.length);e[t+4>>2]=g(FW_CFG_FILE_START+m);dbg_assert(56>n.length);for(let q=0;q<n.length;q++)l[t+8+q]=n.charCodeAt(q)}this.fw_value=l}else e>=FW_CFG_CUSTOM_START&&e<FW_CFG_FILE_START?this.fw_value=f(0):e>=FW_CFG_FILE_START&&e-FW_CFG_FILE_START<this.option_roms.length?this.fw_value=this.option_roms[e-FW_CFG_FILE_START].data:(dbg_log("Warning: Unimplemented fw index: "+h(e)),this.fw_value=f(0))});DEBUG&&(c.register_write(128,
this,function(e){}),c.register_read(128,this,function(){return 255}),c.register_write(233,this,function(e){}));this.devices={};a.load_devices&&(this.devices.pic=new PIC(this),this.devices.pci=new PCI(this),this.acpi_enabled[0]&&(this.devices.ioapic=new IOAPIC(this),this.devices.apic=new APIC(this),this.devices.acpi=new ACPI(this)),this.devices.rtc=new RTC(this),this.fill_cmos(this.devices.rtc,a),this.devices.dma=new DMA(this),ENABLE_HPET&&(this.devices.hpet=new HPET(this)),this.devices.vga=new VGAScreen(this,
b,a.vga_memory_size||8388608),this.devices.ps2=new PS2(this,b),this.devices.uart0=new UART(this,1016,b),a.uart1&&(this.devices.uart1=new UART(this,760,b)),a.uart2&&(this.devices.uart2=new UART(this,1E3,b)),a.uart3&&(this.devices.uart3=new UART(this,744,b)),this.devices.fdc=new FloppyController(this,a.fda,a.fdb),c=0,a.hda&&(this.devices.hda=new IDEDevice(this,a.hda,a.hdb,!1,c++,b)),a.cdrom&&(this.devices.cdrom=new IDEDevice(this,a.cdrom,void 0,!0,c++,b)),this.devices.pit=new PIT(this,b),a.enable_ne2k&&
(this.devices.net=new Ne2k(this,b,a.preserve_mac_from_state_image,a.mac_address_translation)),a.fs9p&&(this.devices.virtio_9p=new Virtio9p(a.fs9p,this,b)),this.devices.sb16=new SB16(this,b));a.multiboot&&this.load_multiboot(a.multiboot);DEBUG&&this.debug.init()};
CPU.prototype.load_multiboot=function(a){dbg_log("Trying multiboot from buffer of size "+a.byteLength,LOG_CPU);if(8192>a.byteLength){var b=new Int32Array(2048);(new Uint8Array(b.buffer)).set(new Uint8Array(a))}else b=new Int32Array(a,0,2048);for(var c=0;8192>c;c+=4)if(464367618===b[c>>2]){var d=b[c+4>>2];if(464367618+d+b[c+8>>2]|0)dbg_log("Multiboot checksum check failed",LOG_CPU);else{dbg_log("Multiboot magic found, flags: "+h(d>>>0,8),LOG_CPU);dbg_assert(0===(d&-65537),"TODO");this.reg32[REG_EAX]=
732803074;this.reg32[REG_EBX]=31744;this.write32(31744,0);this.cr[0]=1;this.protected_mode[0]=1;this.flags[0]=FLAGS_DEFAULT;this.is_32[0]=1;this.stack_size_32[0]=1;for(var e=0;6>e;e++)this.segment_is_null[e]=0,this.segment_offsets[e]=0,this.segment_limits[e]=4294967295,this.sreg[e]=45058;if(d&65536){dbg_log("Multiboot specifies its own address table",LOG_CPU);e=b[c+12>>2];var f=b[c+16>>2];d=b[c+20>>2];var g=b[c+24>>2];b=b[c+28>>2];dbg_log("header="+h(e,8)+" load="+h(f,8)+" load_end="+h(d,8)+" bss_end="+
h(g,8)+" entry="+h(b,8));dbg_assert(f<=e);c-=e-f;0===d?d=void 0:(dbg_assert(d>=f),d-=f);a=new Uint8Array(a,c,d);this.write_blob(a,f);this.instruction_pointer[0]=this.get_seg_cs()+b|0}else if(1179403647===b[0]){dbg_log("Multiboot image is in elf format",LOG_CPU);c=read_elf(a);this.instruction_pointer[0]=this.get_seg_cs()+c.header.entry|0;for(f of c.program_headers)0!==f.type&&(1===f.type?(dbg_assert(f.paddr===f.vaddr),dbg_assert(f.filesz<=f.memsz),f.paddr+f.memsz<this.memory_size[0]?f.filesz&&(c=new Uint8Array(a,
f.offset,f.filesz),this.write_blob(c,f.paddr)):dbg_log("Warning: Skipped loading section, paddr="+h(f.paddr)+" memsz="+f.memsz,LOG_CPU)):2!==f.type&&3!==f.type&&4!==f.type&&6!==f.type&&1685382480!==f.type&&1685382481!==f.type&&1685382483!==f.type&&dbg_assert(!1,"unimplemented elf section type: "+h(f.type)))}else dbg_assert(!1,"Not a bootable multiboot format");this.io.register_write_consecutive(244,this,function(k){console.log("Test exited with code "+h(k,2));throw"HALT";},function(){},function(){},
function(){});for(let k=14;15>=k;k++)this.io.register_write(8192+k,this,function(l){dbg_log("kvm-unit-test: Set irq "+h(k)+" to "+h(l,2));l?this.device_raise_irq(k):this.device_lower_irq(k)});dbg_log("Starting multiboot kernel at:",LOG_CPU);this.debug.dump_state();this.debug.dump_regs();break}}};
CPU.prototype.fill_cmos=function(a,b){var c=b.boot_order||531;a.cmos_write(CMOS_BIOS_BOOTFLAG1,1|c>>4&240);a.cmos_write(CMOS_BIOS_BOOTFLAG2,c&255);a.cmos_write(CMOS_MEM_BASE_LOW,128);a.cmos_write(CMOS_MEM_BASE_HIGH,2);c=0;1048576<=this.memory_size[0]&&(c=this.memory_size[0]-1048576>>10,c=Math.min(c,65535));a.cmos_write(CMOS_MEM_OLD_EXT_LOW,c&255);a.cmos_write(CMOS_MEM_OLD_EXT_HIGH,c>>8&255);a.cmos_write(CMOS_MEM_EXTMEM_LOW,c&255);a.cmos_write(CMOS_MEM_EXTMEM_HIGH,c>>8&255);c=0;16777216<=this.memory_size[0]&&
(c=this.memory_size[0]-16777216>>16,c=Math.min(c,65535));a.cmos_write(CMOS_MEM_EXTMEM2_LOW,c&255);a.cmos_write(CMOS_MEM_EXTMEM2_HIGH,c>>8&255);a.cmos_write(CMOS_MEM_HIGHMEM_LOW,0);a.cmos_write(CMOS_MEM_HIGHMEM_MID,0);a.cmos_write(CMOS_MEM_HIGHMEM_HIGH,0);a.cmos_write(CMOS_EQUIPMENT_INFO,47);a.cmos_write(CMOS_BIOS_SMP_COUNT,0);b.fastboot&&a.cmos_write(63,1)};
CPU.prototype.load_bios=function(){var a=this.bios.main,b=this.bios.vga;if(a){var c=new Uint8Array(a);this.write_blob(c,1048576-a.byteLength);if(b){var d=new Uint8Array(b);this.write_blob(d,786432);this.io.mmap_register(4272947200,1048576,function(e){e=e-4272947200|0;return e<d.length?d[e]:0},function(e,f){dbg_assert(!1,"Unexpected write to VGA rom")})}else dbg_log("Warning: No VGA BIOS");this.io.mmap_register(4293918720,1048576,function(e){return this.mem8[e&1048575]}.bind(this),function(e,f){this.mem8[e&
1048575]=f}.bind(this))}else dbg_log("Warning: No BIOS")};CPU.prototype.do_many_cycles=function(){if(DEBUG)var a=v86.microtick();this.do_many_cycles_native();DEBUG&&(this.do_many_cycles_total+=v86.microtick()-a,this.do_many_cycles_count++)};CPU.prototype.cycle=function(){this.cycle_internal()};goog.exportProperty(CPU.prototype,"cycle",CPU.prototype.cycle);
CPU.prototype.codegen_finalize=function(a,b,c,d,e){d>>>=0;e>>>=0;dbg_assert(0<=a&&a<WASM_TABLE_SIZE);const f=new Uint8Array(this.wasm_memory.buffer,d,e);DEBUG&&(DUMP_GENERATED_WASM&&!this.seen_code[b]&&this.debug.dump_wasm(f),this.seen_code[b]=(this.seen_code[b]||0)+1,this.test_hook_did_generate_wasm&&this.test_hook_did_generate_wasm(f));d=WebAssembly.instantiate(f,{e:this.jit_imports}).then(g=>{g=g.instance.exports.f;this.codegen_finalize_finished(a,b,c);this.wm.wasm_table.set(a+WASM_TABLE_OFFSET,
g);this.test_hook_did_finalize_wasm&&this.test_hook_did_finalize_wasm(f)});DEBUG&&d.catch(g=>{console.log(g);debugger;throw g;})};
CPU.prototype.log_uncompiled_code=function(a,b){if(DEBUG&&DUMP_UNCOMPILED_ASSEMBLY&&100>(this.seen_code_uncompiled[a]||0)){this.seen_code_uncompiled[a]=(this.seen_code_uncompiled[a]||0)+1;b+=8;(a^b)&-4096&&(dbg_log("truncated disassembly start="+h(a>>>0)+" end="+h(b>>>0)),b=(a|4095)+1);b<a&&(b=a);dbg_assert(b>=a);const c=new Uint8Array(b-a);for(let d=a;d<b;d++)c[d-a]=this.read8(d);dbg_log("Uncompiled code:");this.debug.dump_code(this.is_32[0]?1:0,c,a)}};
CPU.prototype.dump_function_code=function(a,b){if(DEBUG&&DUMP_GENERATED_WASM){var c=new Int32Array(this.wasm_memory.buffer);dbg_assert(0===(a&3));var d=this.is_32[0];for(let f=0;f<b;f++){var e=(a>>2)+7*f;const g=c[e+0],k=c[e+1];e=c[e+6]&65280;const l=new Uint8Array(k-g);for(let m=g;m<k;m++)l[m-g]=this.read8(this.translate_address_system_read(m));dbg_log("---"+(e?" entry":""));this.debug.dump_code(d?1:0,l,g)}}};
CPU.prototype.hlt_loop=function(){if(this.get_eflags_no_arith()&FLAG_INTERRUPT){const a=this.run_hardware_timers(v86.microtick());this.handle_irqs();return a}return 100};
CPU.prototype.run_hardware_timers=function(a){if(ENABLE_HPET)var b=this.devices.pit.timer(a,this.devices.hpet.legacy_mode),c=this.devices.rtc.timer(a,this.devices.hpet.legacy_mode),d=this.devices.hpet.timer(a);else b=this.devices.pit.timer(a,!1),c=this.devices.rtc.timer(a,!1),d=100;let e=100,f=100;this.acpi_enabled[0]&&(e=this.devices.acpi.timer(a),f=this.devices.apic.timer(a));return Math.min(b,c,d,e,f)};
CPU.prototype.hlt_op=function(){0===(this.get_eflags_no_arith()&FLAG_INTERRUPT)&&this.bus.send("cpu-event-halt");this.in_hlt[0]=1;this.hlt_loop()};CPU.prototype.handle_irqs=function(){this.get_eflags_no_arith()&FLAG_INTERRUPT&&(this.pic_acknowledge(),this.next_tick_immediately())};CPU.prototype.pic_acknowledge=function(){dbg_assert(this.get_eflags_no_arith()&FLAG_INTERRUPT);this.devices.pic&&this.devices.pic.acknowledge_irq();this.devices.apic&&this.devices.apic.acknowledge_irq()};
CPU.prototype.device_raise_irq=function(a){dbg_assert(1===arguments.length);this.devices.pic&&this.devices.pic.set_irq(a);this.devices.ioapic&&this.devices.ioapic.set_irq(a)};CPU.prototype.device_lower_irq=function(a){this.devices.pic&&this.devices.pic.clear_irq(a);this.devices.ioapic&&this.devices.ioapic.clear_irq(a)};"undefined"!==typeof window?window.CPU=CPU:"undefined"!==typeof module&&"undefined"!==typeof module.exports?module.exports.CPU=CPU:"function"===typeof importScripts&&(self.CPU=CPU);CPU.prototype.debug_init=function(){function a(m){if(DEBUG){for(var n=e.protected_mode[0]?"prot":"real",p=e.get_eflags(),t=e.getiopl(),q=e.cpl[0],r=h(e.sreg[REG_CS],4)+":"+h(e.get_real_eip()>>>0,8),v=h(e.sreg[REG_SS],4)+":"+h(e.reg32[REG_ES]>>>0,8),u=e.is_32[0]?"32":"16",x=e.flags[0]&FLAG_INTERRUPT?1:0,z={[FLAG_CARRY]:"c",[FLAG_PARITY]:"p",[FLAG_ADJUST]:"a",[FLAG_ZERO]:"z",[FLAG_SIGN]:"s",[FLAG_TRAP]:"t",[FLAG_INTERRUPT]:"i",[FLAG_DIRECTION]:"d",[FLAG_OVERFLOW]:"o"},A="",D=0;16>D;D++)z[1<<D]&&(A=
p&1<<D?A+z[1<<D]:A+" ");return"mode="+n+"/"+u+" paging="+ +(0!==(e.cr[0]&CR0_PG))+" pae="+ +(0!==(e.cr[4]&CR4_PAE))+" iopl="+t+" cpl="+q+" if="+x+" cs:eip="+r+" cs_off="+h(e.get_seg_cs()>>>0,8)+" flgs="+h(e.get_eflags()>>>0,6)+" ("+A+") ss:esp="+v+" ssize="+ +e.stack_size_32[0]+(m?" in "+m:"")}}function b(){if(DEBUG){for(var m={eax:REG_EAX,ecx:REG_ECX,edx:REG_EDX,ebx:REG_EBX,esp:REG_ESP,ebp:REG_EBP,esi:REG_ESI,edi:REG_EDI},n="eax ecx edx ebx esp ebp esi edi".split(" "),p="",t="",q=0;4>q;q++)p+=n[q]+
"="+h(e.reg32[m[n[q]]]>>>0,8)+" ",t+=n[q+4]+"="+h(e.reg32[m[n[q+4]]]>>>0,8)+" ";p+=" ds="+h(e.sreg[REG_DS],4)+" es="+h(e.sreg[REG_ES],4)+" fs="+h(e.sreg[REG_FS],4);t+=" gs="+h(e.sreg[REG_GS],4)+" cs="+h(e.sreg[REG_CS],4)+" ss="+h(e.sreg[REG_SS],4);return[p,t]}}function c(m,n,p){if(DEBUG){if(!(m&1))return!1;var t=128===(m&128);return{size:t,global:256===(m&256),accessed:32===(m&32),dirty:64===(m&64),cache_disable:16===(m&16),user:4===(m&4),read_write:2===(m&2),address:(t&&!p?m&(n?4292870144:4290772992):
m&4294963200)>>>0}}}function d(m,n,p){if(DEBUG)for(var t=n?512:1024,q=n?8:4,r=n?21:22,v=0;v<t;v++){var u=e.read32s(m+v*q),x=c(u,n,!0);if(x)if(u="",u+=x.size?"S ":" ",u+=x.accessed?"A ":" ",u+=x.cache_disable?"Cd ":" ",u+=x.user?"U ":" ",u+=x.read_write?"Rw ":" ",x.size)dbg_log("=== "+h(p+(v<<r)>>>0,8)+" -> "+h(x.address>>>0,8)+" | "+u);else{dbg_log("=== "+h(p+(v<<r)>>>0,8)+" | "+u);for(var z=0;z<t;z++){var A=x.address+z*q;u=e.read32s(A);var D=c(u,n,!1);D&&(u="",u+=D.cache_disable?"Cd ":" ",
u+=D.user?"U ":" ",u+=D.read_write?"Rw ":" ",u+=D.global?"G ":" ",u+=D.accessed?"A ":" ",u+=D.dirty?"Di ":" ",dbg_log("# "+h(p+(v<<r|z<<12)>>>0,8)+" -> "+h(D.address,8)+" | "+u+" (at "+h(A,8)+")"))}}}}var e=this,f={};this.debug=f;f.init=function(){function m(p){10===p?(dbg_log(n,LOG_BIOS),n=""):n+=String.fromCharCode(p)}if(DEBUG&&e.io){var n="";e.io.register_write(1026,this,m);e.io.register_write(1280,this,m)}};f.get_regs_short=b;f.dump_regs=function(){if(DEBUG){var m=b();dbg_log(m[0],
LOG_CPU);dbg_log(m[1],LOG_CPU)}};f.get_state=a;f.dump_state=function(m){DEBUG&&dbg_log(a(m),LOG_CPU)};f.dump_stack=function(m,n){if(DEBUG){var p=e.reg32[REG_ESP];dbg_log("========= STACK ==========");if(n>=m||void 0===n)m=5,n=-5;for(;m>n;m--){var t=" ";m||(t="=> ");t+=h(m,2)+" | ";dbg_log(t+h(p+4*m,8)+" | "+h(e.read32s(p+4*m)>>>0))}}};f.dump_page_structures=function(){if(e.cr[4]&CR4_PAE){dbg_log("PAE enabled");for(var m=0;4>m;m++){var n=e.read32s(e.cr[3]+8*m);n&1&&d(n&4294963200,!0,m<<30)}}else dbg_log("PAE disabled"),
d(e.cr[3],!1,0)};f.dump_gdt_ldt=function(){function m(n,p){for(var t=0;t<p;t+=8,n+=8){var q=e.read16(n+2)|e.read8(n+4)<<16|e.read8(n+7)<<24,r=e.read16(n)|(e.read8(n+6)&15)<<16,v=e.read8(n+5),u=e.read8(n+6)>>4,x="",z=v>>5&3;x=v&128?x+" P ":x+"NP ";v&16?(x=u&4?x+"32b ":x+"16b ",v&8?(x+="X ",v&4&&(x+="C ")):x+="R ",x+="RW "):x+="sys: "+h(v&15);u&8&&(r=r<<12|4095);dbg_log(h(t&-8,4)+" "+h(q>>>0,8)+" ("+h(r>>>0,8)+" bytes) "+x+"; dpl = "+z+", a = "+v.toString(2)+", f = "+u.toString(2))}}DEBUG&&(dbg_log("gdt: (len = "+
h(e.gdtr_size[0])+")"),m(e.translate_address_system_read(e.gdtr_offset[0]),e.gdtr_size[0]),dbg_log("\nldt: (len = "+h(e.segment_limits[REG_LDTR])+")"),m(e.translate_address_system_read(e.segment_offsets[REG_LDTR]),e.segment_limits[REG_LDTR]))};f.dump_idt=function(){if(DEBUG)for(var m=0;m<e.idtr_size[0];m+=8){var n=e.translate_address_system_read(e.idtr_offset[0]+m),p=e.read16(n)|e.read16(n+6)<<16,t=e.read16(n+2);n=e.read8(n+5);var q=n>>5&3;var r=5===(n&31)?"task gate ":14===(n&31)?"intr gate ":15===
(n&31)?"trap gate ":"invalid ";r=n&128?r+" P":r+"NP";dbg_log(h(m>>3,4)+" "+h(p>>>0,8)+", "+h(t,4)+"; "+r+"; dpl = "+q+", t = "+n.toString(2))}};f.get_memory_dump=function(m,n){if(DEBUG)return void 0===m?(m=0,n=e.memory_size[0]):void 0===n&&(n=m,m=0),e.mem8.slice(m,m+n).buffer};f.memory_hex_dump=function(m,n){if(DEBUG){n=n||64;for(var p,t,q=0;q<n>>4;q++){p=h(m+(q<<4),5)+" ";for(var r=0;16>r;r++)t=e.read8(m+(q<<4)+r),p+=h(t,2)+" ";p+=" ";for(r=0;16>r;r++)t=e.read8(m+(q<<4)+r),p+=33>t||126<t?".":
String.fromCharCode(t);dbg_log(p)}}};f.used_memory_dump=function(){if(DEBUG)for(var m=e.memory_size[0]/128/16|0,n,p=0;16>p;p++){n=h(128*p*m,8)+" | ";for(var t=0;128>t;t++)n+=0<e.mem32s[(128*p+t)*m]?"X":" ";dbg_log(n)}};f.debug_interrupt=function(m){};let g,k;f.dump_code=function(m,n,p){if(!k){if(void 0===g&&(g="function"===typeof require?require("./capstone-x86.min.js.js"):window.cs,void 0===g)){dbg_log("Warning: Missing capstone library, disassembly not available");return}k=[new g.Capstone(g.ARCH_X86,
g.MODE_16),new g.Capstone(g.ARCH_X86,g.MODE_32)]}try{k[m].disasm(n,p).forEach(function(t){dbg_log(h(t.address>>>0)+": "+v86util.pads(t.bytes.map(q=>h(q,2).slice(-2)).join(" "),20)+" "+t.mnemonic+" "+t.op_str)}),dbg_log("")}catch(t){dbg_log("Could not disassemble: "+Array.from(n).map(q=>h(q,2)).join(" "))}};let l;f.dump_wasm=function(m){if(void 0===l&&(l="function"===typeof require?require("./libwabt.js.js"):new window.WabtModule,void 0===l)){dbg_log("Warning: Missing libwabt, wasm dump not available");
return}m=m.slice();try{var n=l.readWasm(m,{readDebugNames:!1});n.generateNames();n.applyNames();const q=n.toText({foldExprs:!0,inlineExport:!0});dbg_log(q)}catch(q){var p=new Blob([m]),t=document.createElement("a");t.download="failed.wasm";t.href=window.URL.createObjectURL(p);t.dataset.downloadurl=["application/octet-stream",t.download,t.href].join(":");t.click();window.URL.revokeObjectURL(t.src);console.log(q.toString())}finally{n&&n.destroy()}}};const ELF_MAGIC=1179403647;
let types=DataView.prototype,U8={size:1,get:types.getUint8,set:types.setUint8},U16={size:2,get:types.getUint16,set:types.setUint16},U32={size:4,get:types.getUint32,set:types.setUint32},pad=function(a){return{size:a,get:b=>-1}},Header=create_struct([{magic:U32},{class:U8},{data:U8},{version0:U8},{osabi:U8},{abiversion:U8},{pad0:pad(7)},{type:U16},{machine:U16},{version1:U32},{entry:U32},{phoff:U32},{shoff:U32},{flags:U32},{ehsize:U16},{phentsize:U16},{phnum:U16},{shentsize:U16},{shnum:U16},{shstrndx:U16}]);
console.assert(52===Header.reduce((a,b)=>a+b.size,0));let ProgramHeader=create_struct([{type:U32},{offset:U32},{vaddr:U32},{paddr:U32},{filesz:U32},{memsz:U32},{flags:U32},{align:U32}]);console.assert(32===ProgramHeader.reduce((a,b)=>a+b.size,0));let SectionHeader=create_struct([{name:U32},{type:U32},{flags:U32},{addr:U32},{offset:U32},{size:U32},{link:U32},{info:U32},{addralign:U32},{entsize:U32}]);console.assert(40===SectionHeader.reduce((a,b)=>a+b.size,0));
function create_struct(a){return a.map(function(b){var c=Object.keys(b);console.assert(1===c.length);c=c[0];b=b[c];console.assert(0<b.size);return{name:c,type:b,size:b.size,get:b.get,set:b.set}})}
function read_elf(a){a=new DataView(a);let [b,c]=read_struct(a,Header);console.assert(52===c);if(DEBUG){for(var d of Object.keys(b))dbg_log(d+": 0x"+b[d].toString(16));dbg_log(b)}console.assert(b.magic===ELF_MAGIC,"Bad magic");console.assert(1===b.class,"Unimplemented: 64 bit elf");console.assert(1===b.data,"Unimplemented: big endian");console.assert(1===b.version0,"Bad version0");console.assert(2===b.type,"Unimplemented type");console.assert(1===b.version1,"Bad version1");console.assert(52===b.ehsize,
"Bad header size");console.assert(32===b.phentsize,"Bad program header size");console.assert(40===b.shentsize,"Bad section header size");[d]=read_structs(view_slice(a,b.phoff,b.phentsize*b.phnum),ProgramHeader,b.phnum);[a]=read_structs(view_slice(a,b.shoff,b.shentsize*b.shnum),SectionHeader,b.shnum);if(DEBUG&&LOG_LEVEL){console.log("%d program headers:",d.length);for(let e of d)console.log("type=%s offset=%s vaddr=%s paddr=%s filesz=%s memsz=%s flags=%s align=%s",e.type.toString(16),e.offset.toString(16),
e.vaddr.toString(16),e.paddr.toString(16),e.filesz.toString(16),e.memsz.toString(16),e.flags.toString(16),e.align.toString(16));console.log("%d program headers:",a.length);for(let e of a)console.log("name=%s type=%s flags=%s addr=%s offset=%s size=%s link=%s info=%s addralign=%s entsize=%s",e.name.toString(16),e.type.toString(16),e.flags.toString(16),e.addr.toString(16),e.offset.toString(16),e.size.toString(16),e.link.toString(16),e.info.toString(16),e.addralign.toString(16),e.entsize.toString(16))}return{header:b,
program_headers:d,sections_headers:a}}function read_struct(a,b){let c={},d=0;for(let e of b)b=e.get.call(a,d,!0),console.assert(void 0===c[e.name]),c[e.name]=b,d+=e.size;return[c,d]}function read_structs(a,b,c){let d=[],e=0;for(var f=0;f<c;f++){let [g,k]=read_struct(view_slice(a,e),b);d.push(g);e+=k}return[d,e]}function view_slice(a,b,c){return new DataView(a.buffer,a.byteOffset+b,c)};const LINUX_BOOT_HDR_SETUP_SECTS=497,LINUX_BOOT_HDR_SYSSIZE=500,LINUX_BOOT_HDR_VIDMODE=506,LINUX_BOOT_HDR_BOOT_FLAG=510,LINUX_BOOT_HDR_HEADER=514,LINUX_BOOT_HDR_VERSION=518,LINUX_BOOT_HDR_TYPE_OF_LOADER=528,LINUX_BOOT_HDR_LOADFLAGS=529,LINUX_BOOT_HDR_CODE32_START=532,LINUX_BOOT_HDR_RAMDISK_IMAGE=536,LINUX_BOOT_HDR_RAMDISK_SIZE=540,LINUX_BOOT_HDR_HEAP_END_PTR=548,LINUX_BOOT_HDR_CMD_LINE_PTR=552,LINUX_BOOT_HDR_INITRD_ADDR_MAX=556,LINUX_BOOT_HDR_KERNEL_ALIGNMENT=560,LINUX_BOOT_HDR_RELOCATABLE_KERNEL=
564,LINUX_BOOT_HDR_MIN_ALIGNMENT=565,LINUX_BOOT_HDR_XLOADFLAGS=566,LINUX_BOOT_HDR_CMDLINE_SIZE=568,LINUX_BOOT_HDR_PAYLOAD_OFFSET=584,LINUX_BOOT_HDR_PAYLOAD_LENGTH=588,LINUX_BOOT_HDR_PREF_ADDRESS=600,LINUX_BOOT_HDR_INIT_SIZE=608,LINUX_BOOT_HDR_CHECKSUM1=43605,LINUX_BOOT_HDR_CHECKSUM2=1400005704,LINUX_BOOT_HDR_TYPE_OF_LOADER_NOT_ASSIGNED=255,LINUX_BOOT_HDR_LOADFLAGS_LOADED_HIGH=1,LINUX_BOOT_HDR_LOADFLAGS_QUIET_FLAG=32,LINUX_BOOT_HDR_LOADFLAGS_KEEP_SEGMENTS=64,LINUX_BOOT_HDR_LOADFLAGS_CAN_USE_HEAPS=
128;
function load_kernel(a,b,c,d){dbg_log("Trying to load kernel of size "+b.byteLength);var e=new Uint8Array(b);const f=new Uint16Array(b),g=new Uint32Array(b);var k=e[LINUX_BOOT_HDR_SETUP_SECTS]||4,l=f[LINUX_BOOT_HDR_BOOT_FLAG>>1];if(l!==LINUX_BOOT_HDR_CHECKSUM1)dbg_log("Bad checksum1: "+h(l));else if(l=f[LINUX_BOOT_HDR_HEADER>>1]|f[LINUX_BOOT_HDR_HEADER+2>>1]<<16,l!==LINUX_BOOT_HDR_CHECKSUM2)dbg_log("Bad checksum2: "+h(l));else{l=f[LINUX_BOOT_HDR_VERSION>>1];dbg_assert(514<=l);var m=e[LINUX_BOOT_HDR_LOADFLAGS];dbg_assert(m&
LINUX_BOOT_HDR_LOADFLAGS_LOADED_HIGH);var n=f[LINUX_BOOT_HDR_XLOADFLAGS>>1],p=g[LINUX_BOOT_HDR_INITRD_ADDR_MAX>>2],t=g[LINUX_BOOT_HDR_KERNEL_ALIGNMENT>>2],q=e[LINUX_BOOT_HDR_RELOCATABLE_KERNEL],r=e[LINUX_BOOT_HDR_MIN_ALIGNMENT],v=g[LINUX_BOOT_HDR_CMDLINE_SIZE>>2],u=g[LINUX_BOOT_HDR_PAYLOAD_OFFSET>>2],x=g[LINUX_BOOT_HDR_PAYLOAD_LENGTH>>2],z=g[LINUX_BOOT_HDR_PREF_ADDRESS>>2],A=g[LINUX_BOOT_HDR_PREF_ADDRESS+4>>2],D=g[LINUX_BOOT_HDR_INIT_SIZE>>2];dbg_log("kernel boot protocol version: "+h(l));dbg_log("flags="+
h(m)+" xflags="+h(n));dbg_log("code32_start="+h(g[LINUX_BOOT_HDR_CODE32_START>>2]));dbg_log("initrd_addr_max="+h(p));dbg_log("kernel_alignment="+h(t));dbg_log("relocatable="+q);dbg_log("min_alignment="+h(r));dbg_log("cmdline max="+h(v));dbg_log("payload offset="+h(u)+" size="+h(x));dbg_log("pref_address="+h(A)+":"+h(z));dbg_log("init_size="+h(D));e[LINUX_BOOT_HDR_TYPE_OF_LOADER]=LINUX_BOOT_HDR_TYPE_OF_LOADER_NOT_ASSIGNED;e[LINUX_BOOT_HDR_LOADFLAGS]=m&~LINUX_BOOT_HDR_LOADFLAGS_QUIET_FLAG&~LINUX_BOOT_HDR_LOADFLAGS_KEEP_SEGMENTS|
LINUX_BOOT_HDR_LOADFLAGS_CAN_USE_HEAPS;f[LINUX_BOOT_HDR_HEAP_END_PTR>>1]=56832;f[LINUX_BOOT_HDR_VIDMODE>>1]=65535;dbg_log("heap_end_ptr="+h(56832));d+="\x00";dbg_assert(d.length<v);dbg_log("cmd_line_ptr="+h(581632));g[LINUX_BOOT_HDR_CMD_LINE_PTR>>2]=581632;for(e=0;e<d.length;e++)a[581632+e]=d.charCodeAt(e);k=512*(k+1);dbg_log("prot_mode_kernel_start="+h(k));d=new Uint8Array(b,0,k);b=new Uint8Array(b,k);e=k=0;c&&(k=67108864,e=c.byteLength,dbg_assert(1048576+b.length<k),a.set(new Uint8Array(c),k));
g[LINUX_BOOT_HDR_RAMDISK_IMAGE>>2]=k;g[LINUX_BOOT_HDR_RAMDISK_SIZE>>2]=e;dbg_assert(655360>524288+d.length);a.set(d,524288);a.set(b,1048576);return{option_rom:{name:"genroms/kernel.bin",data:make_linux_boot_rom(32768,57344)}}}}
function make_linux_boot_rom(a,b){const c=new Uint8Array(256);(new Uint16Array(c.buffer))[0]=43605;c[2]=1;var d=3;c[d++]=250;c[d++]=184;c[d++]=a>>0;c[d++]=a>>8;c[d++]=142;c[d++]=192;c[d++]=142;c[d++]=216;c[d++]=142;c[d++]=224;c[d++]=142;c[d++]=232;c[d++]=142;c[d++]=208;c[d++]=188;c[d++]=b>>0;c[d++]=b>>8;c[d++]=234;c[d++]=0;c[d++]=0;c[d++]=a+32>>0;c[d++]=a+32>>8;dbg_assert(512>d);a=d;b=c[a]=0;for(d=0;d<c.length;d++)b+=c[d];c[a]=-b;return c};var SHIFT_SCAN_CODE=42,SCAN_CODE_RELEASE=128;
function KeyboardAdapter(a){function b(q){!q.altKey&&k[56]&&f(56,!1);return e(q,!1)}function c(q){!q.altKey&&k[56]&&f(56,!1);return e(q,!0)}function d(q){q=Object.keys(k);for(var r,v=0;v<q.length;v++)r=+q[v],k[r]&&f(r,!1);k={}}function e(q,r){var v;if(v=l.bus)v=q.shiftKey&&q.ctrlKey&&(73===q.keyCode||74===q.keyCode||75===q.keyCode)||!l.emu_enabled?!1:q.target?q.target.classList.contains("phone_keyboard")||"INPUT"!==q.target.nodeName&&"TEXTAREA"!==q.target.nodeName:!0;if(v){a:{if(void 0!==q.code&&
(v=t[q.code],void 0!==v))break a;v=m[q.keyCode]}if(v)return f(v,r,q.repeat),q.preventDefault&&q.preventDefault(),!1;console.log("Missing char in map: keyCode="+(q.keyCode||-1).toString(16)+" code="+q.code)}}function f(q,r,v){if(r)k[q]&&!v&&f(q,!1);else if(!k[q])return;(k[q]=r)||(q|=128);255<q?(g(q>>8),g(q&255)):g(q)}function g(q){l.bus.send("keyboard-code",q)}var k={},l=this;this.emu_enabled=!0;var m=new Uint16Array([0,0,0,0,0,0,0,0,14,15,0,0,0,28,0,0,42,29,56,0,58,0,0,0,0,0,0,1,0,0,0,0,57,57417,
57425,57423,57415,57419,57416,57421,80,0,0,0,0,82,83,0,11,2,3,4,5,6,7,8,9,10,0,39,0,13,0,0,0,30,48,46,32,18,33,34,35,23,36,37,38,50,49,24,25,16,19,31,20,22,47,17,45,21,44,57435,57436,57437,0,0,82,79,80,81,75,76,77,71,72,73,0,0,0,0,0,0,59,60,61,62,63,64,65,66,67,68,87,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,69,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,39,13,51,12,52,53,41,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,26,43,27,40,0,57435,57400,0,0,0,
0,0,0,0,0,0,0,0,0,0,0]),n={8:8,10:13,32:32,39:222,44:188,45:189,46:190,47:191,48:48,49:49,50:50,51:51,52:52,53:53,54:54,55:55,56:56,57:57,59:186,61:187,91:219,92:220,93:221,96:192,97:65,98:66,99:67,100:68,101:69,102:70,103:71,104:72,105:73,106:74,107:75,108:76,109:77,110:78,111:79,112:80,113:81,114:82,115:83,116:84,117:85,118:86,119:87,120:88,121:89,122:90},p={33:49,34:222,35:51,36:52,37:53,38:55,40:57,41:48,42:56,43:187,58:186,60:188,62:190,63:191,64:50,65:65,66:66,67:67,68:68,69:69,70:70,71:71,
72:72,73:73,74:74,75:75,76:76,77:77,78:78,79:79,80:80,81:81,82:82,83:83,84:84,85:85,86:86,87:87,88:88,89:89,90:90,94:54,95:189,123:219,124:220,125:221,126:192},t={Escape:1,Digit1:2,Digit2:3,Digit3:4,Digit4:5,Digit5:6,Digit6:7,Digit7:8,Digit8:9,Digit9:10,Digit0:11,Minus:12,Equal:13,Backspace:14,Tab:15,KeyQ:16,KeyW:17,KeyE:18,KeyR:19,KeyT:20,KeyY:21,KeyU:22,KeyI:23,KeyO:24,KeyP:25,BracketLeft:26,BracketRight:27,Enter:28,ControlLeft:29,KeyA:30,KeyS:31,KeyD:32,KeyF:33,KeyG:34,KeyH:35,KeyJ:36,KeyK:37,
KeyL:38,Semicolon:39,Quote:40,Backquote:41,ShiftLeft:42,Backslash:43,KeyZ:44,KeyX:45,KeyC:46,KeyV:47,KeyB:48,KeyN:49,KeyM:50,Comma:51,Period:52,Slash:53,ShiftRight:54,NumpadMultiply:55,AltLeft:56,Space:57,CapsLock:58,F1:59,F2:60,F3:61,F4:62,F5:63,F6:64,F7:65,F8:66,F9:67,F10:68,NumLock:69,ScrollLock:70,Numpad7:71,Numpad8:72,Numpad9:73,NumpadSubtract:74,Numpad4:75,Numpad5:76,Numpad6:77,NumpadAdd:78,Numpad1:79,Numpad2:80,Numpad3:81,Numpad0:82,NumpadDecimal:83,IntlBackslash:86,F11:87,F12:88,NumpadEnter:57372,
ControlRight:57373,NumpadDivide:57397,AltRight:57400,Home:57415,ArrowUp:57416,PageUp:57417,ArrowLeft:57419,ArrowRight:57421,End:57423,ArrowDown:57424,PageDown:57425,Insert:57426,Delete:57427,OSLeft:57435,OSRight:57436,ContextMenu:57437};this.bus=a;this.destroy=function(){"undefined"!==typeof window&&(window.removeEventListener("keyup",b,!1),window.removeEventListener("keydown",c,!1),window.removeEventListener("blur",d,!1))};this.init=function(){"undefined"!==typeof window&&(this.destroy(),window.addEventListener("keyup",
b,!1),window.addEventListener("keydown",c,!1),window.addEventListener("blur",d,!1))};this.init();this.simulate_press=function(q){q={keyCode:q};e(q,!0);e(q,!1)};this.simulate_char=function(q){var r=q.charCodeAt(0);r in n?this.simulate_press(n[r]):r in p?(g(SHIFT_SCAN_CODE),this.simulate_press(p[r]),g(SHIFT_SCAN_CODE|SCAN_CODE_RELEASE)):console.log("ascii -> keyCode not found: ",r,q)}};function MouseAdapter(a,b){function c(u){if(!v.enabled||!v.emu_enabled)return!1;var x=b||document.body,z;if(!(z=document.pointerLockElement))a:{for(u=u.target;u.parentNode;){if(u===x){z=!0;break a}u=u.parentNode}z=!1}return z}function d(u){c(u)&&(u=u.changedTouches)&&u.length&&(u=u[u.length-1],q=u.clientX,r=u.clientY)}function e(u){if(n||t||p)v.bus.send("mouse-click",[!1,!1,!1]),n=t=p=!1}function f(u){if(v.bus&&c(u)&&v.is_running){var x=0,z=0,A=u.changedTouches;A?A.length&&(A=A[A.length-1],x=A.clientX-
q,z=A.clientY-r,q=A.clientX,r=A.clientY,u.preventDefault()):"number"===typeof u.movementX?(x=u.movementX,z=u.movementY):"number"===typeof u.webkitMovementX?(x=u.webkitMovementX,z=u.webkitMovementY):"number"===typeof u.mozMovementX?(x=u.mozMovementX,z=u.mozMovementY):(x=u.clientX-q,z=u.clientY-r,q=u.clientX,r=u.clientY);v.bus.send("mouse-delta",[.15*x,-(.15*z)]);b&&v.bus.send("mouse-absolute",[u.pageX-b.offsetLeft,u.pageY-b.offsetTop,b.offsetWidth,b.offsetHeight])}}function g(u){c(u)&&l(u,!0)}function k(u){c(u)&&
l(u,!1)}function l(u,x){v.bus&&(1===u.which?n=x:2===u.which?t=x:3===u.which?p=x:dbg_log("Unknown event.which: "+u.which),v.bus.send("mouse-click",[n,t,p]),u.preventDefault())}function m(u){if(c(u)){var x=u.wheelDelta||-u.detail;0>x?x=-1:0<x&&(x=1);v.bus.send("mouse-wheel",[x,0]);u.preventDefault()}}var n=!1,p=!1,t=!1,q=0,r=0,v=this;this.enabled=!1;this.emu_enabled=!0;this.bus=a;this.bus.register("mouse-enable",function(u){this.enabled=u},this);this.is_running=!1;this.bus.register("emulator-stopped",
function(){this.is_running=!1},this);this.bus.register("emulator-started",function(){this.is_running=!0},this);this.destroy=function(){"undefined"!==typeof window&&(window.removeEventListener("touchstart",d,!1),window.removeEventListener("touchend",e,!1),window.removeEventListener("touchmove",f,!1),window.removeEventListener("mousemove",f,!1),window.removeEventListener("mousedown",g,!1),window.removeEventListener("mouseup",k,!1),window.removeEventListener("wheel",m,{passive:!1}))};this.init=function(){"undefined"!==
typeof window&&(this.destroy(),window.addEventListener("touchstart",d,!1),window.addEventListener("touchend",e,!1),window.addEventListener("touchmove",f,!1),window.addEventListener("mousemove",f,!1),window.addEventListener("mousedown",g,!1),window.addEventListener("mouseup",k,!1),window.addEventListener("wheel",m,{passive:!1}))};this.init()};var DAC_QUEUE_RESERVE=.2,AUDIOBUFFER_MINIMUM_SAMPLING_RATE=8E3;
function SpeakerAdapter(a){if("undefined"!==typeof window)if(window.AudioContext||window.webkitAudioContext){var b=window.AudioWorklet?SpeakerWorkletDAC:SpeakerBufferSourceDAC;this.bus=a;this.audio_context=window.AudioContext?new AudioContext:new webkitAudioContext;this.mixer=new SpeakerMixer(a,this.audio_context);this.pcspeaker=new PCSpeaker(a,this.audio_context,this.mixer);this.dac=new b(a,this.audio_context,this.mixer);this.pcspeaker.start();a.register("emulator-stopped",function(){this.audio_context.suspend()},
this);a.register("emulator-started",function(){this.audio_context.resume()},this);a.register("speaker-confirm-initialized",function(){a.send("speaker-has-initialized")},this);a.send("speaker-has-initialized")}else console.warn("Web browser doesn't support Web Audio API")}SpeakerAdapter.prototype.destroy=function(){this.audio_context&&this.audio_context.close();this.dac&&this.dac.node_processor&&this.dac.node_processor.port.close()};
function SpeakerMixer(a,b){function c(d){return function(e){d.gain.setValueAtTime(e,this.audio_context.currentTime)}}this.audio_context=b;this.sources=new Map;this.gain_right=this.gain_left=this.volume_right=this.volume_left=this.volume_both=1;this.node_treble_left=this.audio_context.createBiquadFilter();this.node_treble_right=this.audio_context.createBiquadFilter();this.node_treble_left.type="highshelf";this.node_treble_right.type="highshelf";this.node_treble_left.frequency.setValueAtTime(2E3,this.audio_context.currentTime);
this.node_treble_right.frequency.setValueAtTime(2E3,this.audio_context.currentTime);this.node_bass_left=this.audio_context.createBiquadFilter();this.node_bass_right=this.audio_context.createBiquadFilter();this.node_bass_left.type="lowshelf";this.node_bass_right.type="lowshelf";this.node_bass_left.frequency.setValueAtTime(200,this.audio_context.currentTime);this.node_bass_right.frequency.setValueAtTime(200,this.audio_context.currentTime);this.node_gain_left=this.audio_context.createGain();this.node_gain_right=
this.audio_context.createGain();this.node_merger=this.audio_context.createChannelMerger(2);this.input_left=this.node_treble_left;this.input_right=this.node_treble_right;this.node_treble_left.connect(this.node_bass_left);this.node_bass_left.connect(this.node_gain_left);this.node_gain_left.connect(this.node_merger,0,0);this.node_treble_right.connect(this.node_bass_right);this.node_bass_right.connect(this.node_gain_right);this.node_gain_right.connect(this.node_merger,0,1);this.node_merger.connect(this.audio_context.destination);
a.register("mixer-connect",function(d){this.connect_source(d[0],d[1])},this);a.register("mixer-disconnect",function(d){this.disconnect_source(d[0],d[1])},this);a.register("mixer-volume",function(d){var e=d[0],f=d[1];d=Math.pow(10,d[2]/20);var g=e===MIXER_SRC_MASTER?this:this.sources.get(e);void 0===g?dbg_assert(!1,"Mixer set volume - cannot set volume for undefined source: "+e):g.set_volume(d,f)},this);a.register("mixer-gain-left",function(d){this.gain_left=Math.pow(10,d/20);this.update()},this);
a.register("mixer-gain-right",function(d){this.gain_right=Math.pow(10,d/20);this.update()},this);a.register("mixer-treble-left",c(this.node_treble_left),this);a.register("mixer-treble-right",c(this.node_treble_right),this);a.register("mixer-bass-left",c(this.node_bass_left),this);a.register("mixer-bass-right",c(this.node_bass_right),this)}
SpeakerMixer.prototype.add_source=function(a,b){a=new SpeakerMixerSource(this.audio_context,a,this.input_left,this.input_right);dbg_assert(!this.sources.has(b),"Mixer add source - overwritting source: "+b);this.sources.set(b,a);return a};SpeakerMixer.prototype.connect_source=function(a,b){var c=this.sources.get(a);void 0===c?dbg_assert(!1,"Mixer connect - cannot connect undefined source: "+a):c.connect(b)};
SpeakerMixer.prototype.disconnect_source=function(a,b){var c=this.sources.get(a);void 0===c?dbg_assert(!1,"Mixer disconnect - cannot disconnect undefined source: "+a):c.disconnect(b)};SpeakerMixer.prototype.set_volume=function(a,b){void 0===b&&(b=MIXER_CHANNEL_BOTH);switch(b){case MIXER_CHANNEL_LEFT:this.volume_left=a;break;case MIXER_CHANNEL_RIGHT:this.volume_right=a;break;case MIXER_CHANNEL_BOTH:this.volume_both=a;break;default:dbg_assert(!1,"Mixer set master volume - unknown channel: "+b);return}this.update()};
SpeakerMixer.prototype.update=function(){var a=this.volume_both*this.volume_right*this.gain_right;this.node_gain_left.gain.setValueAtTime(this.volume_both*this.volume_left*this.gain_left,this.audio_context.currentTime);this.node_gain_right.gain.setValueAtTime(a,this.audio_context.currentTime)};
function SpeakerMixerSource(a,b,c,d){this.audio_context=a;this.connected_right=this.connected_left=!0;this.volume_right=this.volume_left=this.volume_both=this.gain_hidden=1;this.node_splitter=a.createChannelSplitter(2);this.node_gain_left=a.createGain();this.node_gain_right=a.createGain();b.connect(this.node_splitter);this.node_splitter.connect(this.node_gain_left,0);this.node_gain_left.connect(c);this.node_splitter.connect(this.node_gain_right,1);this.node_gain_right.connect(d)}
SpeakerMixerSource.prototype.update=function(){var a=this.connected_right*this.gain_hidden*this.volume_both*this.volume_right;this.node_gain_left.gain.setValueAtTime(this.connected_left*this.gain_hidden*this.volume_both*this.volume_left,this.audio_context.currentTime);this.node_gain_right.gain.setValueAtTime(a,this.audio_context.currentTime)};
SpeakerMixerSource.prototype.connect=function(a){var b=!a||a===MIXER_CHANNEL_BOTH;if(b||a===MIXER_CHANNEL_LEFT)this.connected_left=!0;if(b||a===MIXER_CHANNEL_RIGHT)this.connected_right=!0;this.update()};SpeakerMixerSource.prototype.disconnect=function(a){var b=!a||a===MIXER_CHANNEL_BOTH;if(b||a===MIXER_CHANNEL_LEFT)this.connected_left=!1;if(b||a===MIXER_CHANNEL_RIGHT)this.connected_right=!1;this.update()};
SpeakerMixerSource.prototype.set_volume=function(a,b){void 0===b&&(b=MIXER_CHANNEL_BOTH);switch(b){case MIXER_CHANNEL_LEFT:this.volume_left=a;break;case MIXER_CHANNEL_RIGHT:this.volume_right=a;break;case MIXER_CHANNEL_BOTH:this.volume_both=a;break;default:dbg_assert(!1,"Mixer set volume - unknown channel: "+b);return}this.update()};SpeakerMixerSource.prototype.set_gain_hidden=function(a){this.gain_hidden=a};
function PCSpeaker(a,b,c){this.node_oscillator=b.createOscillator();this.node_oscillator.type="square";this.node_oscillator.frequency.setValueAtTime(440,b.currentTime);this.mixer_connection=c.add_source(this.node_oscillator,MIXER_SRC_PCSPEAKER);this.mixer_connection.disconnect();a.register("pcspeaker-enable",function(){c.connect_source(MIXER_SRC_PCSPEAKER)},this);a.register("pcspeaker-disable",function(){c.disconnect_source(MIXER_SRC_PCSPEAKER)},this);a.register("pcspeaker-update",function(d){var e=
d[1],f=0;3===d[0]&&(f=1E3*OSCILLATOR_FREQ/e,f=Math.min(f,this.node_oscillator.frequency.maxValue),f=Math.max(f,0));this.node_oscillator.frequency.setValueAtTime(f,b.currentTime)},this)}PCSpeaker.prototype.start=function(){this.node_oscillator.start()};
function SpeakerWorkletDAC(a,b,c){this.bus=a;this.audio_context=b;this.enabled=!1;this.sampling_rate=48E3;b=function(){function g(m){if(0===m)return 1;m*=Math.PI;return Math.sin(m)/m}function k(){var m=Reflect.construct(AudioWorkletProcessor,[],k);m.kernel_size=3;m.queue_data=Array(1024);m.queue_start=0;m.queue_end=0;m.queue_length=0;m.queue_size=m.queue_data.length;m.queued_samples=0;m.source_buffer_previous=l;m.source_buffer_current=l;m.source_samples_per_destination=1;m.source_block_start=0;m.source_time=
0;m.source_offset=0;m.port.onmessage=n=>{switch(n.data.type){case "queue":m.queue_push(n.data.value);break;case "sampling-rate":m.source_samples_per_destination=n.data.value/sampleRate}};return m}var l=[new Float32Array(256),new Float32Array(256)];Reflect.setPrototypeOf(k.prototype,AudioWorkletProcessor.prototype);Reflect.setPrototypeOf(k,AudioWorkletProcessor);k.prototype.process=k.prototype.process=function(m,n,p){for(m=0;m<n[0][0].length;m++){for(var t=p=0,q=this.source_offset+this.kernel_size,
r=this.source_offset-this.kernel_size+1;r<=q;r++){var v=this.source_block_start+r;p+=this.get_sample(v,0)*this.kernel(this.source_time-r);t+=this.get_sample(v,1)*this.kernel(this.source_time-r)}if(isNaN(p)||isNaN(t))p=t=0,this.dbg_log("ERROR: NaN values! Ignoring for now.");n[0][0][m]=p;n[0][1][m]=t;this.source_time+=this.source_samples_per_destination;this.source_offset=Math.floor(this.source_time)}n=this.source_offset;n+=this.kernel_size+2;this.source_time-=this.source_offset;this.source_block_start+=
this.source_offset;this.source_offset=0;this.ensure_enough_data(n);return!0};k.prototype.kernel=function(m){return g(m)*g(m/this.kernel_size)};k.prototype.get_sample=function(m,n){return 0>m?(m+=this.source_buffer_previous[0].length,this.source_buffer_previous[n][m]):this.source_buffer_current[n][m]};k.prototype.ensure_enough_data=function(m){var n=this.source_buffer_current[0].length;n-this.source_block_start<m&&(this.prepare_next_buffer(),this.source_block_start-=n)};k.prototype.prepare_next_buffer=
function(){256>this.queued_samples&&this.queue_length&&this.dbg_log("Not enough samples - should not happen during midway of playback");this.source_buffer_previous=this.source_buffer_current;this.source_buffer_current=this.queue_shift();var m=this.source_buffer_current[0].length;if(256>m){for(var n=this.queue_start,p=0;256>m&&p<this.queue_length;)m+=this.queue_data[n][0].length,n=n+1&this.queue_size-1,p++;m=Math.max(m,256);m=[new Float32Array(m),new Float32Array(m)];m[0].set(this.source_buffer_current[0]);
m[1].set(this.source_buffer_current[1]);n=this.source_buffer_current[0].length;for(var t=0;t<p;t++){var q=this.queue_shift();m[0].set(q[0],n);m[1].set(q[1],n);n+=q[0].length}this.source_buffer_current=m}this.pump()};k.prototype.pump=function(){1024>this.queued_samples/this.source_samples_per_destination&&this.port.postMessage({type:"pump"})};k.prototype.queue_push=function(m){this.queue_length<this.queue_size&&(this.queue_data[this.queue_end]=m,this.queue_end=this.queue_end+1&this.queue_size-1,this.queue_length++,
this.queued_samples+=m[0].length,this.pump())};k.prototype.queue_shift=function(){if(!this.queue_length)return l;var m=this.queue_data[this.queue_start];this.queue_data[this.queue_start]=null;this.queue_start=this.queue_start+1&this.queue_size-1;this.queue_length--;this.queued_samples-=m[0].length;return m};k.prototype.dbg_log=function(m){DEBUG&&this.port.postMessage({type:"debug-log",value:m})};registerProcessor("dac-processor",k)}.toString();var d=b.indexOf("{")+1,e=b.lastIndexOf("}");b=b.substring(d,
e);DEBUG&&(b="var DEBUG = true;\n"+b);b=new Blob([b],{type:"application/javascript"});var f=URL.createObjectURL(b);this.node_processor=null;this.node_output=this.audio_context.createGain();this.audio_context.audioWorklet.addModule(f).then(()=>{URL.revokeObjectURL(f);this.node_processor=new AudioWorkletNode(this.audio_context,"dac-processor",{numberOfInputs:0,numberOfOutputs:1,outputChannelCount:[2],parameterData:{},processorOptions:{}});this.node_processor.port.postMessage({type:"sampling-rate",value:this.sampling_rate});
this.node_processor.port.onmessage=g=>{switch(g.data.type){case "pump":this.pump();break;case "debug-log":dbg_log("SpeakerWorkletDAC - Worklet: "+g.data.value)}};this.node_processor.connect(this.node_output)});this.mixer_connection=c.add_source(this.node_output,MIXER_SRC_DAC);this.mixer_connection.set_gain_hidden(3);a.register("dac-send-data",function(g){this.queue(g)},this);a.register("dac-enable",function(g){this.enabled=!0},this);a.register("dac-disable",function(){this.enabled=!1},this);a.register("dac-tell-sampling-rate",
function(g){dbg_assert(0<g,"Sampling rate should be nonzero");this.sampling_rate=g;this.node_processor&&this.node_processor.port.postMessage({type:"sampling-rate",value:g})},this);DEBUG&&(this.debugger=new SpeakerDACDebugger(this.audio_context,this.node_output))}SpeakerWorkletDAC.prototype.queue=function(a){this.node_processor&&(DEBUG&&this.debugger.push_queued_data(a),this.node_processor.port.postMessage({type:"queue",value:a},[a[0].buffer,a[1].buffer]))};
SpeakerWorkletDAC.prototype.pump=function(){this.enabled&&this.bus.send("dac-request-data")};
function SpeakerBufferSourceDAC(a,b,c){this.bus=a;this.audio_context=b;this.enabled=!1;this.sampling_rate=22050;this.buffered_time=0;this.rate_ratio=1;this.node_lowpass=this.audio_context.createBiquadFilter();this.node_lowpass.type="lowpass";this.node_output=this.node_lowpass;this.mixer_connection=c.add_source(this.node_output,MIXER_SRC_DAC);this.mixer_connection.set_gain_hidden(3);a.register("dac-send-data",function(d){this.queue(d)},this);a.register("dac-enable",function(d){this.enabled=!0;this.pump()},
this);a.register("dac-disable",function(){this.enabled=!1},this);a.register("dac-tell-sampling-rate",function(d){dbg_assert(0<d,"Sampling rate should be nonzero");this.sampling_rate=d;this.rate_ratio=Math.ceil(AUDIOBUFFER_MINIMUM_SAMPLING_RATE/d);this.node_lowpass.frequency.setValueAtTime(d/2,this.audio_context.currentTime)},this);DEBUG&&(this.debugger=new SpeakerDACDebugger(this.audio_context,this.node_output))}
SpeakerBufferSourceDAC.prototype.queue=function(a){DEBUG&&this.debugger.push_queued_data(a);var b=a[0].length,c=b/this.sampling_rate;if(1<this.rate_ratio){var d=this.audio_context.createBuffer(2,b*this.rate_ratio,this.sampling_rate*this.rate_ratio);for(var e=d.getChannelData(0),f=d.getChannelData(1),g=0,k=0;k<b;k++)for(var l=0;l<this.rate_ratio;l++,g++)e[g]=a[0][k],f[g]=a[1][k]}else d=this.audio_context.createBuffer(2,b,this.sampling_rate),d.copyToChannel?(d.copyToChannel(a[0],0),d.copyToChannel(a[1],
1)):(d.getChannelData(0).set(a[0]),d.getChannelData(1).set(a[1]));a=this.audio_context.createBufferSource();a.buffer=d;a.connect(this.node_lowpass);a.addEventListener("ended",this.pump.bind(this));d=this.audio_context.currentTime;if(this.buffered_time<d)for(dbg_log("Speaker DAC - Creating/Recreating reserve - shouldn't occur frequently during playback"),this.buffered_time=d,d=DAC_QUEUE_RESERVE-c,b=0;b<=d;)b+=c,this.buffered_time+=c,setTimeout(()=>this.pump(),1E3*b);a.start(this.buffered_time);this.buffered_time+=
c;setTimeout(()=>this.pump(),0)};SpeakerBufferSourceDAC.prototype.pump=function(){this.enabled&&(this.buffered_time-this.audio_context.currentTime>DAC_QUEUE_RESERVE||this.bus.send("dac-request-data"))};
function SpeakerDACDebugger(a,b){this.audio_context=a;this.node_source=b;this.node_processor=null;this.node_gain=this.audio_context.createGain();this.node_gain.gain.setValueAtTime(0,this.audio_context.currentTime);this.node_gain.connect(this.audio_context.destination);this.is_active=!1;this.queued_history=[];this.output_history=[];this.queued=[[],[]];this.output=[[],[]]}
SpeakerDACDebugger.prototype.start=function(a){this.is_active=!0;this.queued=[[],[]];this.output=[[],[]];this.queued_history.push(this.queued);this.output_history.push(this.output);this.node_processor=this.audio_context.createScriptProcessor(1024,2,2);this.node_processor.onaudioprocess=b=>{this.output[0].push(b.inputBuffer.getChannelData(0).slice());this.output[1].push(b.inputBuffer.getChannelData(1).slice())};this.node_source.connect(this.node_processor);this.node_processor.connect(this.node_gain);
setTimeout(()=>{this.stop()},a)};SpeakerDACDebugger.prototype.stop=function(){this.is_active=!1;this.node_source.disconnect(this.node_processor);this.node_processor.disconnect();this.node_processor=null};SpeakerDACDebugger.prototype.push_queued_data=function(a){this.is_active&&(this.queued[0].push(a[0].slice()),this.queued[1].push(a[1].slice()))};SpeakerDACDebugger.prototype.download_txt=function(a,b){a=this.output_history[a][b].map(c=>c.join(" ")).join(" ");dump_file(a,"dacdata.txt")};
SpeakerDACDebugger.prototype.download_csv=function(a){a=this.output_history[a];for(var b=[],c=0;c<a[0].length;c++)for(var d=0;d<a[0][c].length;d++)b.push(`${a[0][c][d]},${a[1][c][d]}`);dump_file(b.join("\n"),"dacdata.csv")};function SerialAdapter(a,b){function c(k){g.bus&&g.enabled&&(g.send_char(k.which),k.preventDefault())}function d(k){var l=k.which;8===l?(g.send_char(127),k.preventDefault()):9===l&&(g.send_char(9),k.preventDefault())}function e(k){if(g.enabled){for(var l=k.clipboardData.getData("text/plain"),m=0;m<l.length;m++)g.send_char(l.charCodeAt(m));k.preventDefault()}}function f(k){k.target!==a&&a.blur()}var g=this;this.enabled=!0;this.bus=b;this.text="";this.text_new_line=!1;this.last_update=0;this.bus.register("serial0-output-char",
function(k){this.show_char(k)},this);this.destroy=function(){a.removeEventListener("keypress",c,!1);a.removeEventListener("keydown",d,!1);a.removeEventListener("paste",e,!1);window.removeEventListener("mousedown",f,!1)};this.init=function(){this.destroy();a.style.display="block";a.addEventListener("keypress",c,!1);a.addEventListener("keydown",d,!1);a.addEventListener("paste",e,!1);window.addEventListener("mousedown",f,!1)};this.init();this.show_char=function(k){"\b"===k?(this.text=this.text.slice(0,
-1),this.update()):"\r"!==k&&(this.text+=k,"\n"===k&&(this.text_new_line=!0),this.update())};this.update=function(){var k=Date.now(),l=k-this.last_update;16>l?void 0===this.update_timer&&(this.update_timer=setTimeout(()=>{this.update_timer=void 0;var m=Date.now();dbg_assert(15<=m-this.last_update);this.last_update=m;this.render()},16-l)):(void 0!==this.update_timer&&(clearTimeout(this.update_timer),this.update_timer=void 0),this.last_update=k,this.render())};this.render=function(){a.value=this.text;
this.text_new_line&&(this.text_new_line=!1,a.scrollTop=1E9)};this.send_char=function(k){g.bus&&g.bus.send("serial0-input",k)}}function SerialRecordingAdapter(a){this.text="";a.register("serial0-output-char",function(b){this.text+=b},this)}
function SerialAdapterXtermJS(a,b){this.element=a;if(window.Terminal){var c=this.term=new window.Terminal;c.setOption("logLevel","off");c.write("This is the serial console. Whatever you type or paste here will be sent to COM1");var d=c.onData(function(e){for(let f=0;f<e.length;f++)b.send("serial0-input",e.charCodeAt(f))});b.register("serial0-output-char",function(e){c.write(e)},this);this.destroy=function(){d.dispose();c.dispose()}}}SerialAdapterXtermJS.prototype.show=function(){this.term&&this.term.open(this.element)};function NetworkAdapter(a,b){this.bus=b;this.socket=void 0;this.send_queue=[];this.url=a;this.reconnect_interval=1E4;this.last_connect_attempt=Date.now()-this.reconnect_interval;this.send_queue_limit=64;this.bus.register("net0-send",function(c){this.send(c)},this)}NetworkAdapter.prototype.handle_message=function(a){this.bus&&this.bus.send("net0-receive",new Uint8Array(a.data))};NetworkAdapter.prototype.handle_close=function(a){this.connect();setTimeout(this.connect.bind(this),this.reconnect_interval)};
NetworkAdapter.prototype.handle_open=function(a){for(a=0;a<this.send_queue.length;a++)this.send(this.send_queue[a]);this.send_queue=[]};NetworkAdapter.prototype.handle_error=function(a){};NetworkAdapter.prototype.destroy=function(){this.socket&&this.socket.close()};
NetworkAdapter.prototype.connect=function(){if("undefined"!==typeof WebSocket){if(this.socket){var a=this.socket.readyState;if(0===a||1===a)return}a=Date.now();this.last_connect_attempt+this.reconnect_interval>a||(this.last_connect_attempt=Date.now(),this.socket=new WebSocket(this.url),this.socket.binaryType="arraybuffer",this.socket.onopen=this.handle_open.bind(this),this.socket.onmessage=this.handle_message.bind(this),this.socket.onclose=this.handle_close.bind(this),this.socket.onerror=this.handle_error.bind(this))}};
NetworkAdapter.prototype.send=function(a){this.socket&&1===this.socket.readyState?this.socket.send(a):(this.send_queue.push(a),this.send_queue.length>2*this.send_queue_limit&&(this.send_queue=this.send_queue.slice(-this.send_queue_limit)),this.connect())};NetworkAdapter.prototype.change_proxy=function(a){this.url=a;this.socket&&(this.socket.onclose=function(){},this.socket.onerror=function(){},this.socket.close(),this.socket=void 0)};var ASYNC_SAFE=!1;
(function(){function a(k,l,m){function n(){const v=m||0;setTimeout(()=>{a(k,l,v+1)},1E3*([1,1,2,3,5,8,13,21][v]||34))}var p=new XMLHttpRequest;p.open(l.method||"get",k,!0);p.responseType=l.as_json?"json":"arraybuffer";if(l.headers)for(var t=Object.keys(l.headers),q=0;q<t.length;q++){var r=t[q];p.setRequestHeader(r,l.headers[r])}l.range&&(t=l.range.start,p.setRequestHeader("Range","bytes="+t+"-"+(t+l.range.length-1)),p.onreadystatechange=function(){200===p.status&&p.abort()});p.onload=function(v){4===
p.readyState&&(200!==p.status&&206!==p.status?(console.error("Loading the image "+k+" failed (status %d)",p.status),500<=p.status&&600>p.status&&n()):p.response&&l.done&&l.done(p.response,p))};p.onerror=function(v){console.error("Loading the image "+k+" failed",v);n()};l.progress&&(p.onprogress=function(v){l.progress(v)});p.send(null)}function b(k,l){let m=require("fs");l.range?(dbg_assert(!l.as_json),m.open(k,"r",(n,p)=>{if(n)throw n;let t=l.range.length;var q=Buffer.allocUnsafe(t);m.read(p,q,0,
t,l.range.start,(r,v)=>{if(r)throw r;dbg_assert(v===t);l.done&&l.done(new Uint8Array(q));m.close(p,u=>{if(u)throw u;})})})):m.readFile(k,{encoding:l.as_json?"utf-8":null},function(n,p){n?console.log("Could not read file:",k,n):(n=p,n=l.as_json?JSON.parse(n):(new Uint8Array(n)).buffer,l.done(n))})}function c(k,l){this.filename=k;this.block_size=256;this.byteLength=l;this.block_cache=new Map;this.block_cache_is_write=new Set;this.onprogress=this.onload=void 0}function d(k,l,m,n){const p=k.match(/(.*)(\..*)/);
p?(this.basename=p[1],this.extension=p[2]):(this.basename=k,this.extension="");this.block_size=256;this.block_cache=new Map;this.block_cache_is_write=new Set;this.byteLength=l;this.fixed_chunk_size=m;this.partfile_alt_format=!!n;this.cache_reads=!!m;this.onprogress=this.onload=void 0}function e(k){this.file=k;this.byteLength=k.size;1073741824<k.size&&console.warn("SyncFileBuffer: Allocating buffer of "+(k.size>>20)+" MB ...");this.buffer=new ArrayBuffer(k.size);this.onprogress=this.onload=void 0}
function f(k){this.file=k;this.byteLength=k.size;this.block_size=256;this.block_cache=new Map;this.block_cache_is_write=new Set;this.onprogress=this.onload=void 0}v86util.load_file="undefined"===typeof XMLHttpRequest?b:a;v86util.AsyncXHRBuffer=c;v86util.AsyncXHRPartfileBuffer=d;v86util.AsyncFileBuffer=f;v86util.SyncFileBuffer=e;v86util.read_sized_string_from_mem=function(k,l,m){return String.fromCharCode(...(new Uint8Array(k.buffer,l>>>0,m>>>0)))};var g="undefined"===typeof XMLHttpRequest?function(k,
l){require("fs").stat(k,(m,n)=>{m?l(m):l(null,n.size)})}:function(k,l){v86util.load_file(k,{done:(m,n)=>{m=n.getResponseHeader("Content-Range")||"";(n=m.match(/\/(\d+)\s*$/))?l(null,+n[1]):l("`Range: bytes=...` header not supported (Got `"+m+"`)")},headers:{Range:"bytes=0-0"}})};c.prototype.load=function(){void 0!==this.byteLength?this.onload&&this.onload(Object.create(null)):g(this.filename,(k,l)=>{if(k)throw Error("Cannot use: "+this.filename+". "+k);dbg_assert(0<=l);this.byteLength=l;this.onload&&
this.onload(Object.create(null))})};c.prototype.get_from_cache=function(k,l){var m=l/this.block_size;k/=this.block_size;for(var n=0;n<m;n++)if(!this.block_cache.get(k+n))return;if(1===m)return this.block_cache.get(k);l=new Uint8Array(l);for(n=0;n<m;n++)l.set(this.block_cache.get(k+n),n*this.block_size);return l};c.prototype.get=function(k,l,m){console.assert(k+l<=this.byteLength);console.assert(0===k%this.block_size);console.assert(0===l%this.block_size);console.assert(l);var n=this.get_from_cache(k,
l);n?ASYNC_SAFE?setTimeout(m.bind(this,n),0):m(n):v86util.load_file(this.filename,{done:function(p){p=new Uint8Array(p);this.handle_read(k,l,p);m(p)}.bind(this),range:{start:k,length:l}})};c.prototype.set=function(k,l,m){console.assert(k+l.byteLength<=this.byteLength);var n=l.length;console.assert(0===k%this.block_size);console.assert(0===n%this.block_size);console.assert(n);k/=this.block_size;n/=this.block_size;for(var p=0;p<n;p++){var t=this.block_cache.get(k+p);void 0===t&&(t=new Uint8Array(this.block_size),
this.block_cache.set(k+p,t));var q=l.subarray(p*this.block_size,(p+1)*this.block_size);t.set(q);console.assert(t.byteLength===q.length);this.block_cache_is_write.add(k+p)}m()};c.prototype.handle_read=function(k,l,m){k/=this.block_size;l/=this.block_size;for(var n=0;n<l;n++){var p=this.block_cache.get(k+n);p?m.set(p,n*this.block_size):this.cache_reads&&(p=new Uint8Array(this.block_size),p.set(m.subarray(n*this.block_size,(n+1)*this.block_size)),this.block_cache.set(k+n,p))}};c.prototype.get_buffer=
function(k){k()};c.prototype.get_state=function(){const k=[],l=[];for(let [m,n]of this.block_cache)dbg_assert(isFinite(m)),this.block_cache_is_write.has(m)&&l.push([m,n]);k[0]=l;return k};c.prototype.set_state=function(k){k=k[0];this.block_cache.clear();this.block_cache_is_write.clear();for(let [l,m]of k)dbg_assert(isFinite(l)),this.block_cache.set(l,m),this.block_cache_is_write.add(l)};d.prototype.load=function(){void 0===this.byteLength&&dbg_assert(!1);this.onload&&this.onload(Object.create(null))};
d.prototype.get=function(k,l,m){console.assert(k+l<=this.byteLength);console.assert(0===k%this.block_size);console.assert(0===l%this.block_size);console.assert(l);var n=this.get_from_cache(k,l);if(n)ASYNC_SAFE?setTimeout(m.bind(this,n),0):m(n);else if(this.fixed_chunk_size){const t=Math.floor(k/this.fixed_chunk_size),q=k-t*this.fixed_chunk_size;dbg_assert(0<=q);const r=Math.ceil((q+l)/this.fixed_chunk_size),v=new Uint8Array(r*this.fixed_chunk_size);let u=0;for(let x=0;x<r;x++){var p=(t+x)*this.fixed_chunk_size;
n=this.partfile_alt_format?this.basename+"-"+(t+x+"").padStart(8,"0")+this.extension:this.basename+"-"+p+"-"+(p+this.fixed_chunk_size)+this.extension;(p=this.get_from_cache(p,this.fixed_chunk_size))?(v.set(p,x*this.fixed_chunk_size),u++,u===r&&(n=v.subarray(q,q+l),m(n))):v86util.load_file(n,{done:function(z){var A=x*this.fixed_chunk_size;z=new Uint8Array(z);this.handle_read((t+x)*this.fixed_chunk_size,this.fixed_chunk_size|0,z);v.set(z,A);u++;u===r&&(A=v.subarray(q,q+l),m(A))}.bind(this)})}}else v86util.load_file(this.basename+
"-"+k+"-"+(k+l)+this.extension,{done:function(t){dbg_assert(t.byteLength===l);t=new Uint8Array(t);this.handle_read(k,l,t);m(t)}.bind(this)})};d.prototype.get_from_cache=c.prototype.get_from_cache;d.prototype.set=c.prototype.set;d.prototype.handle_read=c.prototype.handle_read;d.prototype.get_state=c.prototype.get_state;d.prototype.set_state=c.prototype.set_state;e.prototype.load=function(){this.load_next(0)};e.prototype.load_next=function(k){var l=new FileReader;l.onload=function(n){n=new Uint8Array(n.target.result);
(new Uint8Array(this.buffer,k)).set(n);this.load_next(k+4194304)}.bind(this);if(this.onprogress)this.onprogress({loaded:k,total:this.byteLength,lengthComputable:!0});if(k<this.byteLength){var m=this.file.slice(k,Math.min(k+4194304,this.byteLength));l.readAsArrayBuffer(m)}else this.file=void 0,this.onload&&this.onload({buffer:this.buffer})};e.prototype.get=function(k,l,m){console.assert(k+l<=this.byteLength);m(new Uint8Array(this.buffer,k,l))};e.prototype.set=function(k,l,m){console.assert(k+l.byteLength<=
this.byteLength);(new Uint8Array(this.buffer,k,l.byteLength)).set(l);m()};e.prototype.get_buffer=function(k){k(this.buffer)};e.prototype.get_state=function(){const k=[];k[0]=this.byteLength;k[1]=new Uint8Array(this.buffer);return k};e.prototype.set_state=function(k){this.byteLength=k[0];this.buffer=k[1].slice().buffer};f.prototype.load=function(){this.onload&&this.onload(Object.create(null))};f.prototype.get=function(k,l,m){console.assert(0===k%this.block_size);console.assert(0===l%this.block_size);
console.assert(l);var n=this.get_from_cache(k,l);n?m(n):(n=new FileReader,n.onload=function(p){p=new Uint8Array(p.target.result);this.handle_read(k,l,p);m(p)}.bind(this),n.readAsArrayBuffer(this.file.slice(k,k+l)))};f.prototype.get_from_cache=c.prototype.get_from_cache;f.prototype.set=c.prototype.set;f.prototype.handle_read=c.prototype.handle_read;f.prototype.get_state=c.prototype.get_state;f.prototype.get_buffer=function(k){k()};f.prototype.get_as_file=function(k){for(var l=[],m=Array.from(this.block_cache.keys()).sort(function(r,
v){return r-v}),n=0,p=0;p<m.length;p++){var t=m[p],q=this.block_cache.get(t);t*=this.block_size;console.assert(t>=n);t!==n&&(l.push(this.file.slice(n,t)),n=t);l.push(q);n+=q.length}n!==this.file.size&&l.push(this.file.slice(n));k=new File(l,k);console.assert(k.size===this.file.size);return k}})();function V86Starter(a){this.cpu_is_running=!1;var b=Bus.create();this.bus=b[0];this.emulator_bus=b[1];var c,d;const e=new WebAssembly.Table({element:"anyfunc",initial:WASM_TABLE_SIZE+WASM_TABLE_OFFSET});b={cpu_exception_hook:g=>this.cpu_exception_hook&&this.cpu_exception_hook(g),hlt_op:function(){return c.hlt_op()},abort:function(){dbg_assert(!1)},microtick:v86.microtick,get_rand_int:function(){return v86util.get_rand_int()},pic_acknowledge:function(){c.pic_acknowledge()},io_port_read8:function(g){return c.io.port_read8(g)},
io_port_read16:function(g){return c.io.port_read16(g)},io_port_read32:function(g){return c.io.port_read32(g)},io_port_write8:function(g,k){c.io.port_write8(g,k)},io_port_write16:function(g,k){c.io.port_write16(g,k)},io_port_write32:function(g,k){c.io.port_write32(g,k)},mmap_read8:function(g){return c.mmap_read8(g)},mmap_read16:function(g){return c.mmap_read16(g)},mmap_read32:function(g){return c.mmap_read32(g)},mmap_write8:function(g,k){c.mmap_write8(g,k)},mmap_write16:function(g,k){c.mmap_write16(g,
k)},mmap_write32:function(g,k){c.mmap_write32(g,k)},mmap_write64:function(g,k,l){c.mmap_write64(g,k,l)},mmap_write128:function(g,k,l,m,n){c.mmap_write128(g,k,l,m,n)},log_from_wasm:function(g,k){g=v86util.read_sized_string_from_mem(d,g,k);dbg_log(g,LOG_CPU)},console_log_from_wasm:function(g,k){g=v86util.read_sized_string_from_mem(d,g,k);console.error(g)},dbg_trace_from_wasm:function(){dbg_trace(LOG_CPU)},codegen_finalize:(g,k,l,m,n)=>{c.codegen_finalize(g,k,l,m,n)},jit_clear_func:g=>c.jit_clear_func(g),
jit_clear_all_funcs:()=>c.jit_clear_all_funcs(),__indirect_function_table:e};let f=a.wasm_fn;f||(f=g=>new Promise(k=>{let l=DEBUG?"v86-debug.wasm":"v86.wasm",m="v86-fallback.wasm";if(a.wasm_path){l=a.wasm_path;const n=l.lastIndexOf("/");m=(-1===n?"":l.substr(0,n))+"/"+m}else"undefined"===typeof window&&"string"===typeof __dirname?(l=__dirname+"/"+l,m=__dirname+"/"+m):(l="build/"+l,m="build/"+m);v86util.load_file(l,{done:async n=>{try{const {instance:p}=await WebAssembly.instantiate(n,g);k(p.exports)}catch(p){v86util.load_file(m,
{done:async t=>{({instance:t}=await WebAssembly.instantiate(t,g));k(t.exports)}})}},progress:n=>{this.emulator_bus.send("download-progress",{file_index:0,file_count:1,file_name:l,lengthComputable:n.lengthComputable,total:n.total,loaded:n.loaded})}})}));f({env:b}).then(g=>{d=g.memory;g.rust_init();g=this.v86=new v86(this.emulator_bus,{exports:g,wasm_table:e});c=g.cpu;this.continue_init(g,a)})}
V86Starter.prototype.continue_init=async function(a,b){function c(q,r){switch(q){case "hda":f.hda=this.disk_images.hda=r;break;case "hdb":f.hdb=this.disk_images.hdb=r;break;case "cdrom":f.cdrom=this.disk_images.cdrom=r;break;case "fda":f.fda=this.disk_images.fda=r;break;case "fdb":f.fdb=this.disk_images.fdb=r;break;case "multiboot":f.multiboot=this.disk_images.multiboot=r.buffer;break;case "bzimage":f.bzimage=this.disk_images.bzimage=r.buffer;break;case "initrd":f.initrd=this.disk_images.initrd=r.buffer;
break;case "bios":f.bios=r.buffer;break;case "vga_bios":f.vga_bios=r.buffer;break;case "initial_state":f.initial_state=r.buffer;break;case "fs9p_json":f.fs9p_json=r;break;default:dbg_assert(!1,q)}}function d(q,r){if(r)if(r.get&&r.set&&r.load)g.push({name:q,loadable:r});else{if("bios"===q||"vga_bios"===q||"initial_state"===q||"multiboot"===q||"bzimage"===q||"initrd"===q)r.async=!1;r.buffer instanceof ArrayBuffer?(r=new SyncBuffer(r.buffer),g.push({name:q,loadable:r})):"undefined"!==typeof File&&r.buffer instanceof
File?(void 0===r.async&&(r.async=268435456<=r.buffer.size),r=r.async?new v86util.AsyncFileBuffer(r.buffer):new v86util.SyncFileBuffer(r.buffer),g.push({name:q,loadable:r})):r.url?r.async?(r=r.use_parts?new v86util.AsyncXHRPartfileBuffer(r.url,r.size,r.fixed_chunk_size):new v86util.AsyncXHRBuffer(r.url,r.size),g.push({name:q,loadable:r})):g.push({name:q,url:r.url,size:r.size}):dbg_log("Ignored file: url="+r.url+" buffer="+r.buffer)}}async function e(){if(f.fs9p&&f.fs9p_json){if(f.initial_state?dbg_log("Filesystem basefs ignored: Overridden by state image"):
f.fs9p.load_from_json(f.fs9p_json),b.bzimage_initrd_from_filesystem){const {bzimage_path:q,initrd_path:r}=this.get_bzimage_initrd_from_filesystem(f.fs9p);dbg_log("Found bzimage: "+q+" and initrd: "+r);const [v,u]=await Promise.all([f.fs9p.read_file(r),f.fs9p.read_file(q)]);c.call(this,"initrd",new SyncBuffer(v.buffer));c.call(this,"bzimage",new SyncBuffer(u.buffer))}}else console.assert(!b.bzimage_initrd_from_filesystem,"bzimage_initrd_from_filesystem: Requires a filesystem");this.serial_adapter&&
this.serial_adapter.show&&this.serial_adapter.show();this.bus.send("cpu-init",f);f.initial_state&&(a.restore_state(f.initial_state),f.initial_state=void 0);b.autostart&&this.bus.send("cpu-run");this.emulator_bus.send("emulator-loaded")}this.bus.register("emulator-stopped",function(){this.cpu_is_running=!1},this);this.bus.register("emulator-started",function(){this.cpu_is_running=!0},this);var f={};this.disk_images={fda:void 0,fdb:void 0,hda:void 0,hdb:void 0,cdrom:void 0};f.acpi=b.acpi;f.load_devices=
!0;f.log_level=b.log_level;f.memory_size=b.memory_size||67108864;f.vga_memory_size=b.vga_memory_size||8388608;f.boot_order=b.boot_order||531;f.fastboot=b.fastboot||!1;f.fda=void 0;f.fdb=void 0;f.uart1=b.uart1;f.uart2=b.uart2;f.uart3=b.uart3;f.cmdline=b.cmdline;f.preserve_mac_from_state_image=b.preserve_mac_from_state_image;f.mac_address_translation=b.mac_address_translation;b.network_adapter?this.network_adapter=b.network_adapter(this.bus):b.network_relay_url&&(this.network_adapter=new NetworkAdapter(b.network_relay_url,
this.bus));f.enable_ne2k=!0;b.disable_keyboard||(this.keyboard_adapter=new KeyboardAdapter(this.bus));b.disable_mouse||(this.mouse_adapter=new MouseAdapter(this.bus,b.screen_container));b.screen_container?this.screen_adapter=new ScreenAdapter(b.screen_container,this.bus):b.screen_dummy&&(this.screen_adapter=new DummyScreenAdapter(this.bus));b.serial_container&&(this.serial_adapter=new SerialAdapter(b.serial_container,this.bus));b.serial_container_xtermjs&&(this.serial_adapter=new SerialAdapterXtermJS(b.serial_container_xtermjs,
this.bus));b.disable_speaker||(this.speaker_adapter=new SpeakerAdapter(this.bus));var g=[];b.state&&console.warn("Warning: Unknown option 'state'. Did you mean 'initial_state'?");for(var k="bios vga_bios cdrom hda hdb fda fdb initial_state multiboot bzimage initrd".split(" "),l=0;l<k.length;l++)d(k[l],b[k[l]]);if(b.filesystem){k=b.filesystem.basefs;l=b.filesystem.baseurl;let q=new MemoryFileStorage;l&&(q=new ServerFileStorageWrapper(q,l));f.fs9p=this.fs9p=new FS(q);if(k){console.assert(l,"Filesystem: baseurl must be specified");
if("object"===typeof k){var m=k.size;k=k.url}dbg_assert("string"===typeof k);g.push({name:"fs9p_json",url:k,size:m,as_json:!0})}}var n=this,p=g.length,t=function(q){if(q===p)setTimeout(e.bind(this),0);else{var r=g[q];r.loadable?(r.loadable.onload=function(v){c.call(this,r.name,r.loadable);t(q+1)}.bind(this),r.loadable.load()):v86util.load_file(r.url,{done:function(v){c.call(this,r.name,r.as_json?v:new SyncBuffer(v));t(q+1)}.bind(this),progress:function(v){200===v.target.status?n.emulator_bus.send("download-progress",
{file_index:q,file_count:p,file_name:r.url,lengthComputable:v.lengthComputable,total:v.total||r.size,loaded:v.loaded}):n.emulator_bus.send("download-error",{file_index:q,file_count:p,file_name:r.url,request:v.target})},as_json:r.as_json})}}.bind(this);t(0)};
V86Starter.prototype.get_bzimage_initrd_from_filesystem=function(a){const b=(a.read_dir("/")||[]).map(e=>"/"+e);a=(a.read_dir("/boot/")||[]).map(e=>"/boot/"+e);let c,d;for(let e of[].concat(b,a)){const f=/old/i.test(e)||/fallback/i.test(e),g=/vmlinuz/i.test(e)||/bzimage/i.test(e),k=/initrd/i.test(e)||/initramfs/i.test(e);!g||d&&f||(d=e);!k||c&&f||(c=e)}c&&d||(console.log("Failed to find bzimage or initrd in filesystem. Files:"),console.log(b.join(" ")),console.log(a.join(" ")));return{initrd_path:c,
bzimage_path:d}};V86Starter.prototype.run=async function(){this.bus.send("cpu-run")};goog.exportProperty(V86Starter.prototype,"run",V86Starter.prototype.run);V86Starter.prototype.stop=async function(){this.cpu_is_running&&await new Promise(a=>{const b=()=>{this.remove_listener("emulator-stopped",b);a()};this.add_listener("emulator-stopped",b);this.bus.send("cpu-stop")})};goog.exportProperty(V86Starter.prototype,"stop",V86Starter.prototype.stop);
V86Starter.prototype.destroy=async function(){await this.stop();this.v86.destroy();this.keyboard_adapter&&this.keyboard_adapter.destroy();this.network_adapter&&this.network_adapter.destroy();this.mouse_adapter&&this.mouse_adapter.destroy();this.screen_adapter&&this.screen_adapter.destroy();this.serial_adapter&&this.serial_adapter.destroy();this.speaker_adapter&&this.speaker_adapter.destroy()};goog.exportProperty(V86Starter.prototype,"destroy",V86Starter.prototype.destroy);
V86Starter.prototype.restart=function(){this.bus.send("cpu-restart")};goog.exportProperty(V86Starter.prototype,"restart",V86Starter.prototype.restart);V86Starter.prototype.add_listener=function(a,b){this.bus.register(a,b,this)};goog.exportProperty(V86Starter.prototype,"add_listener",V86Starter.prototype.add_listener);V86Starter.prototype.remove_listener=function(a,b){this.bus.unregister(a,b)};goog.exportProperty(V86Starter.prototype,"remove_listener",V86Starter.prototype.remove_listener);
V86Starter.prototype.restore_state=async function(a){console.assert(1===arguments.length);this.v86.restore_state(a)};goog.exportProperty(V86Starter.prototype,"restore_state",V86Starter.prototype.restore_state);V86Starter.prototype.save_state=async function(){console.assert(0===arguments.length);return this.v86.save_state()};goog.exportProperty(V86Starter.prototype,"save_state",V86Starter.prototype.save_state);
V86Starter.prototype.get_statistics=function(){console.warn("V86Starter.prototype.get_statistics is deprecated. Use events instead.");var a={cpu:{instruction_counter:this.get_instruction_counter()}};if(!this.v86)return a;var b=this.v86.cpu.devices;b.hda&&(a.hda=b.hda.stats);b.cdrom&&(a.cdrom=b.cdrom.stats);b.ps2&&(a.mouse={enabled:b.ps2.use_mouse});b.vga&&(a.vga={is_graphical:b.vga.stats.is_graphical});return a};goog.exportProperty(V86Starter.prototype,"get_statistics",V86Starter.prototype.get_statistics);
V86Starter.prototype.get_instruction_counter=function(){return this.v86?this.v86.cpu.instruction_counter[0]>>>0:0};goog.exportProperty(V86Starter.prototype,"get_instruction_counter",V86Starter.prototype.get_instruction_counter);V86Starter.prototype.is_running=function(){return this.cpu_is_running};goog.exportProperty(V86Starter.prototype,"is_running",V86Starter.prototype.is_running);V86Starter.prototype.keyboard_send_scancodes=function(a){for(var b=0;b<a.length;b++)this.bus.send("keyboard-code",a[b])};
goog.exportProperty(V86Starter.prototype,"keyboard_send_scancodes",V86Starter.prototype.keyboard_send_scancodes);V86Starter.prototype.keyboard_send_keys=function(a){for(var b=0;b<a.length;b++)this.keyboard_adapter.simulate_press(a[b])};goog.exportProperty(V86Starter.prototype,"keyboard_send_keys",V86Starter.prototype.keyboard_send_keys);V86Starter.prototype.keyboard_send_text=function(a){for(var b=0;b<a.length;b++)this.keyboard_adapter.simulate_char(a[b])};
goog.exportProperty(V86Starter.prototype,"keyboard_send_text",V86Starter.prototype.keyboard_send_text);V86Starter.prototype.screen_make_screenshot=function(){this.screen_adapter&&this.screen_adapter.make_screenshot()};goog.exportProperty(V86Starter.prototype,"screen_make_screenshot",V86Starter.prototype.screen_make_screenshot);V86Starter.prototype.screen_set_scale=function(a,b){this.screen_adapter&&this.screen_adapter.set_scale(a,b)};goog.exportProperty(V86Starter.prototype,"screen_set_scale",V86Starter.prototype.screen_set_scale);
V86Starter.prototype.screen_go_fullscreen=function(){if(this.screen_adapter){var a=document.getElementById("screen_container");if(a){var b=a.requestFullScreen||a.webkitRequestFullscreen||a.mozRequestFullScreen||a.msRequestFullScreen;b&&(b.call(a),(a=document.getElementsByClassName("phone_keyboard")[0])&&a.focus());try{navigator.keyboard.lock()}catch(c){}this.lock_mouse()}}};goog.exportProperty(V86Starter.prototype,"screen_go_fullscreen",V86Starter.prototype.screen_go_fullscreen);
V86Starter.prototype.lock_mouse=function(){var a=document.body,b=a.requestPointerLock||a.mozRequestPointerLock||a.webkitRequestPointerLock;b&&b.call(a)};goog.exportProperty(V86Starter.prototype,"lock_mouse",V86Starter.prototype.lock_mouse);V86Starter.prototype.mouse_set_status=function(a){this.mouse_adapter&&(this.mouse_adapter.emu_enabled=a)};V86Starter.prototype.keyboard_set_status=function(a){this.keyboard_adapter&&(this.keyboard_adapter.emu_enabled=a)};
goog.exportProperty(V86Starter.prototype,"keyboard_set_status",V86Starter.prototype.keyboard_set_status);V86Starter.prototype.serial0_send=function(a){for(var b=0;b<a.length;b++)this.bus.send("serial0-input",a.charCodeAt(b))};goog.exportProperty(V86Starter.prototype,"serial0_send",V86Starter.prototype.serial0_send);V86Starter.prototype.serial_send_bytes=function(a,b){for(var c=0;c<b.length;c++)this.bus.send("serial"+a+"-input",b[c])};goog.exportProperty(V86Starter.prototype,"serial_send_bytes",V86Starter.prototype.serial_send_bytes);
V86Starter.prototype.mount_fs=async function(a,b,c,d){let e=new MemoryFileStorage;b&&(e=new ServerFileStorageWrapper(e,b));const f=new FS(e,this.fs9p.qidcounter),g=()=>{const k=this.fs9p.Mount(a,f);d&&(k===-ENOENT?d(new FileNotFoundError):k===-EEXIST?d(new FileExistsError):0>k?(dbg_assert(!1,"Unexpected error code: "+-k),d(Error("Failed to mount. Error number: "+-k))):d(null))};b?(dbg_assert("object"===typeof c,"Filesystem: basefs must be a JSON object"),f.load_from_json(c,()=>g())):g()};
goog.exportProperty(V86Starter.prototype,"mount_fs",V86Starter.prototype.mount_fs);V86Starter.prototype.create_file=async function(a,b){console.assert(2===arguments.length);var c=this.fs9p;if(c){var d=a.split("/");d=d[d.length-1];var e=c.SearchPath(a).parentid;if(""!==d&&-1!==e)await c.CreateBinaryFile(d,e,b);else return Promise.reject(new FileNotFoundError)}};goog.exportProperty(V86Starter.prototype,"create_file",V86Starter.prototype.create_file);
V86Starter.prototype.read_file=async function(a){console.assert(1===arguments.length);var b=this.fs9p;if(b)return(b=await b.read_file(a))?b:Promise.reject(new FileNotFoundError)};goog.exportProperty(V86Starter.prototype,"read_file",V86Starter.prototype.read_file);
V86Starter.prototype.automatically=function(a){const b=c=>{const d=c[0];if(d){var e=c.slice(1);if(d.sleep)setTimeout(()=>b(e),1E3*d.sleep);else if(d.vga_text){const f=this.screen_adapter.get_text_screen();for(let g of f)if(g.includes(d.vga_text)){b(e);return}setTimeout(()=>b(c),1E3)}else d.keyboard_send?(d.keyboard_send instanceof Array?this.keyboard_send_scancodes(d.keyboard_send):(dbg_assert("string"===typeof d.keyboard_send),this.keyboard_send_text(d.keyboard_send)),b(e)):d.call?(d.call(),b(e)):
console.assert(!1,d)}};b(a)};V86Starter.prototype.read_memory=function(a,b){return this.v86.cpu.read_blob(a,b)};V86Starter.prototype.write_memory=function(a,b){this.v86.cpu.write_blob(a,b)};function FileExistsError(a){this.message=a||"File already exists"}FileExistsError.prototype=Error.prototype;function FileNotFoundError(a){this.message=a||"File not found"}FileNotFoundError.prototype=Error.prototype;
"undefined"!==typeof window?(window.V86Starter=V86Starter,window.V86=V86Starter):"undefined"!==typeof module&&"undefined"!==typeof module.exports?(module.exports.V86Starter=V86Starter,module.exports.V86=V86Starter):"function"===typeof importScripts&&(self.V86Starter=V86Starter,self.V86=V86Starter);var WorkerBus={Connector:function(a){this.listeners={};this.pair=a;a.addEventListener("message",function(b){b=b.data;for(var c=this.listeners[b[0]],d=0;d<c.length;d++){var e=c[d];e.fn.call(e.this_value,b[1])}}.bind(this),!1)}};WorkerBus.Connector.prototype.register=function(a,b,c){var d=this.listeners[a];void 0===d&&(d=this.listeners[a]=[]);d.push({fn:b,this_value:c})};WorkerBus.Connector.prototype.send=function(a,b,c){dbg_assert(1<=arguments.length);this.pair&&this.pair.postMessage([a,b],c)};
WorkerBus.init=function(a){return new WorkerBus.Connector(a)};function DummyScreenAdapter(a){var b,c,d,e,f;this.bus=a;a.register("screen-set-mode",function(g){this.set_mode(g)},this);a.register("screen-fill-buffer-end",function(g){this.update_buffer(g[0],g[1])},this);a.register("screen-put-char",function(g){this.put_char(g[0],g[1],g[2],g[3],g[4])},this);a.register("screen-text-scroll",function(g){console.log("scroll",g)},this);a.register("screen-update-cursor",function(g){this.update_cursor(g[0],g[1])},this);a.register("screen-update-cursor-scanline",function(g){this.update_cursor_scanline(g[0],
g[1])},this);a.register("screen-set-size-text",function(g){this.set_size_text(g[0],g[1])},this);a.register("screen-set-size-graphical",function(g){this.set_size_graphical(g[0],g[1])},this);this.put_char=function(g,k,l,m,n){g<f&&k<e&&(g=3*(g*e+k),d[g]=l,d[g+1]=m,d[g+2]=n)};this.destroy=function(){};this.set_mode=function(g){};this.clear_screen=function(){};this.set_size_text=function(g,k){if(g!==e||k!==f)d=new Int32Array(g*k*3),e=g,f=k};this.set_size_graphical=function(g,k){};this.set_scale=function(g,
k){};this.update_cursor_scanline=function(g,k){};this.update_cursor=function(g,k){if(g!==b||k!==c)b=g,c=k};this.update_buffer=function(g,k){};this.get_text_screen=function(){for(var g=[],k=0;k<f;k++)g.push(this.get_text_row(k));return g};this.get_text_row=function(g){var k="";g=3*g*e;for(var l=0;l<e;l++)k+=String.fromCharCode(d[g+3*l]);return k}};const print_stats={stats_to_string:function(a){return print_stats.print_misc_stats(a)+print_stats.print_instruction_counts(a)},print_misc_stats:function(a){let b="";var c="COMPILE COMPILE_SKIPPED_NO_NEW_ENTRY_POINTS COMPILE_SUCCESS COMPILE_WRONG_ADDRESS_SPACE COMPILE_CUT_OFF_AT_END_OF_PAGE COMPILE_WITH_LOOP_SAFETY COMPILE_PAGE COMPILE_PAGE/COMPILE_SUCCESS COMPILE_PAGE_SKIPPED_NO_NEW_ENTRY_POINTS COMPILE_BASIC_BLOCK COMPILE_DUPLICATED_BASIC_BLOCK COMPILE_WASM_BLOCK COMPILE_WASM_LOOP COMPILE_DISPATCHER COMPILE_ENTRY_POINT COMPILE_WASM_TOTAL_BYTES COMPILE_WASM_TOTAL_BYTES/COMPILE_PAGE JIT_CACHE_OVERRIDE JIT_CACHE_OVERRIDE_DIFFERENT_STATE_FLAGS RUN_INTERPRETED RUN_INTERPRETED_PENDING RUN_INTERPRETED_NEAR_END_OF_PAGE RUN_INTERPRETED_DIFFERENT_STATE RUN_INTERPRETED_MISSED_COMPILED_ENTRY_RUN_INTERPRETED RUN_INTERPRETED_MISSED_COMPILED_ENTRY_LOOKUP RUN_INTERPRETED_STEPS RUN_FROM_CACHE RUN_FROM_CACHE_STEPS RUN_FROM_CACHE_STEPS/RUN_FROM_CACHE RUN_FROM_CACHE_STEPS/RUN_INTERPRETED_STEPS DIRECT_EXIT INDIRECT_JUMP INDIRECT_JUMP_NO_ENTRY NORMAL_PAGE_CHANGE NORMAL_FALLTHRU NORMAL_FALLTHRU_WITH_TARGET_BLOCK NORMAL_BRANCH NORMAL_BRANCH_WITH_TARGET_BLOCK CONDITIONAL_JUMP CONDITIONAL_JUMP_PAGE_CHANGE CONDITIONAL_JUMP_EXIT CONDITIONAL_JUMP_FALLTHRU CONDITIONAL_JUMP_FALLTHRU_WITH_TARGET_BLOCK CONDITIONAL_JUMP_BRANCH CONDITIONAL_JUMP_BRANCH_WITH_TARGET_BLOCK DISPATCHER_SMALL DISPATCHER_LARGE LOOP LOOP_SAFETY CONDITION_OPTIMISED CONDITION_UNOPTIMISED FAILED_PAGE_CHANGE SAFE_READ_FAST SAFE_READ_SLOW_PAGE_CROSSED SAFE_READ_SLOW_NOT_VALID SAFE_READ_SLOW_NOT_USER SAFE_READ_SLOW_IN_MAPPED_RANGE SAFE_WRITE_FAST SAFE_WRITE_SLOW_PAGE_CROSSED SAFE_WRITE_SLOW_NOT_VALID SAFE_WRITE_SLOW_NOT_USER SAFE_WRITE_SLOW_IN_MAPPED_RANGE SAFE_WRITE_SLOW_READ_ONLY SAFE_WRITE_SLOW_HAS_CODE SAFE_READ_WRITE_FAST SAFE_READ_WRITE_SLOW_PAGE_CROSSED SAFE_READ_WRITE_SLOW_NOT_VALID SAFE_READ_WRITE_SLOW_NOT_USER SAFE_READ_WRITE_SLOW_IN_MAPPED_RANGE SAFE_READ_WRITE_SLOW_READ_ONLY SAFE_READ_WRITE_SLOW_HAS_CODE PAGE_FAULT TLB_MISS DO_RUN DO_MANY_CYCLES CYCLE_INTERNAL INVALIDATE_ALL_MODULES_NO_FREE_WASM_INDICES INVALIDATE_MODULE_WRITTEN_WHILE_COMPILED INVALIDATE_MODULE_UNUSED_AFTER_OVERWRITE INVALIDATE_MODULE_DIRTY_PAGE INVALIDATE_PAGE_HAD_CODE INVALIDATE_PAGE_HAD_ENTRY_POINTS DIRTY_PAGE_DID_NOT_HAVE_CODE RUN_FROM_CACHE_EXIT_SAME_PAGE RUN_FROM_CACHE_EXIT_NEAR_END_OF_PAGE RUN_FROM_CACHE_EXIT_DIFFERENT_PAGE CLEAR_TLB FULL_CLEAR_TLB TLB_FULL TLB_GLOBAL_FULL MODRM_SIMPLE_REG MODRM_SIMPLE_REG_WITH_OFFSET MODRM_SIMPLE_CONST_OFFSET MODRM_COMPLEX SEG_OFFSET_OPTIMISED SEG_OFFSET_NOT_OPTIMISED".split(" "),
d=0;const e={};for(let g=0;g<c.length;g++){const k=c[g];var f=void 0;if(k.includes("/")){d++;const [l,m]=k.split("/");f=e[l]/e[m]}else f=e[k]=a.wm.exports.profiler_stat_get(g-d),f=1E8<=f?Math.round(f/1E6)+"m":1E5<=f?Math.round(f/1E3)+"k":f;b+=k+"="+f+"\n"}b+="\n";c=a.wm.exports.get_valid_tlb_entries_count();d=a.wm.exports.get_valid_global_tlb_entries_count();b=b+("TLB_ENTRIES="+c+" ("+d+" global, "+(c-d)+" non-global)\nWASM_TABLE_FREE=")+(a.wm.exports.jit_get_wasm_table_index_free_list_count()+"\n");
b+="JIT_CACHE_SIZE="+a.wm.exports.jit_get_cache_size()+"\n";b+="FLAT_SEGMENTS="+a.wm.exports.has_flat_segmentation()+"\n";b+="do_many_cycles avg: "+(a.do_many_cycles_total/a.do_many_cycles_count||0)+"\n";b+="wasm memory size: "+(a.wasm_memory.buffer.byteLength>>20)+"m\n";b=b+"Config:\nMAX_PAGES="+(a.wm.exports.get_config(0)+"\n");b+="JIT_USE_LOOP_SAFETY="+a.wm.exports.get_config(1)+"\n";return b+="MAX_EXTRA_BASIC_BLOCKS="+a.wm.exports.get_config(2)+"\n"},print_instruction_counts:function(a){return[print_stats.print_instruction_counts_offset(a,
!1,!1,!1,!1),print_stats.print_instruction_counts_offset(a,!0,!1,!1,!1),print_stats.print_instruction_counts_offset(a,!1,!0,!1,!1),print_stats.print_instruction_counts_offset(a,!1,!1,!0,!1),print_stats.print_instruction_counts_offset(a,!1,!1,!1,!0)].join("\n\n")},print_instruction_counts_offset:function(a,b,c,d,e){let f="";var g=[],k=b?"compiled":c?"jit exit":d?"unguarded register":e?"wasm size":"executed";for(let n=0;256>n;n++)for(let p=0;8>p;p++)for(let t of[!1,!0]){var l=a.wm.exports.get_opstats_buffer(b,
c,d,e,n,!1,t,p);g.push({opcode:n,count:l,is_mem:t,fixed_g:p});l=a.wm.exports.get_opstats_buffer(b,c,d,e,n,!0,t,p);g.push({opcode:3840|n,count:l,is_mem:t,fixed_g:p})}a=0;b=new Set([38,46,54,62,100,101,102,103,240,242,243]);for(let {count:n,opcode:p}of g)b.has(p)||(a+=n);if(0===a)return"";c=new Uint32Array(256);b=new Uint32Array(256);for(let {opcode:n,count:p}of g)3840==(n&65280)?b[n&255]+=p:c[n&255]+=p;f=f+"------------------\nTotal: "+(a+"\n");const m=1E7<a?1E3:1;d=Math.max.apply(Math,g.map(({count:n})=>
Math.round(n/m)));d=String(d).length;f+=`Instruction counts ${k} (in ${m}):\n`;for(e=0;256>e;e++)f+=e.toString(16).padStart(2,"0")+":"+v86util.pads(Math.round(c[e]/m),d),f=15==e%16?f+"\n":f+" ";f=f+"\n"+`Instruction counts ${k} (0f, in ${m}):\n`;for(k=0;256>k;k++)f+=(k&255).toString(16).padStart(2,"0")+":"+v86util.pads(Math.round(b[k]/m),d),f=15==k%16?f+"\n":f+" ";f+="\n";g=g.filter(({count:n})=>n).sort(({count:n},{count:p})=>p-n);for(let {opcode:n,is_mem:p,fixed_g:t,count:q}of g.slice(0,200))g=n.toString(16)+
"_"+t+(p?"_m":"_r"),f+=g+":"+(q/a*100).toFixed(2)+" ";return f+"\n"}};"undefined"!==typeof module&&"undefined"!==typeof module.exports&&(module.exports.print_stats=print_stats);function FileStorageInterface(){}FileStorageInterface.prototype.read=function(a,b,c){};FileStorageInterface.prototype.cache=function(a,b){};FileStorageInterface.prototype.uncache=function(a){};function MemoryFileStorage(){this.filedata=new Map}MemoryFileStorage.prototype.read=async function(a,b,c){dbg_assert(a,"MemoryFileStorage read: sha256sum should be a non-empty string");return(a=this.filedata.get(a))?a.subarray(b,b+c):null};
MemoryFileStorage.prototype.cache=async function(a,b){dbg_assert(a,"MemoryFileStorage cache: sha256sum should be a non-empty string");this.filedata.set(a,b)};MemoryFileStorage.prototype.uncache=function(a){this.filedata.delete(a)};function ServerFileStorageWrapper(a,b){dbg_assert(b,"ServerMemoryFileStorage: baseurl should not be empty");this.storage=a;this.baseurl=b}
ServerFileStorageWrapper.prototype.load_from_server=function(a){return new Promise((b,c)=>{v86util.load_file(this.baseurl+a,{done:async d=>{d=new Uint8Array(d);await this.cache(a,d);b(d)}})})};ServerFileStorageWrapper.prototype.read=async function(a,b,c){const d=await this.storage.read(a,b,c);return d?d:(await this.load_from_server(a)).subarray(b,b+c)};ServerFileStorageWrapper.prototype.cache=async function(a,b){return await this.storage.cache(a,b)};ServerFileStorageWrapper.prototype.uncache=function(a){this.storage.uncache(a)};
"undefined"!==typeof window?(window.MemoryFileStorage=MemoryFileStorage,window.ServerFileStorageWrapper=ServerFileStorageWrapper):"undefined"!==typeof module&&"undefined"!==typeof module.exports?(module.exports.MemoryFileStorage=MemoryFileStorage,module.exports.ServerFileStorageWrapper=ServerFileStorageWrapper):"function"===typeof importScripts&&(self.MemoryFileStorage=MemoryFileStorage,self.ServerFileStorageWrapper=ServerFileStorageWrapper);var S_IRWXUGO=511,S_IFMT=61440,S_IFSOCK=49152,S_IFLNK=40960,S_IFREG=32768,S_IFBLK=24576,S_IFDIR=16384,S_IFCHR=8192,O_RDONLY=0,O_WRONLY=1,O_RDWR=2,O_ACCMODE=3,STATUS_INVALID=-1,STATUS_OK=0,STATUS_ON_STORAGE=2,STATUS_UNLINKED=4,STATUS_FORWARDING=5,JSONFS_VERSION=3,JSONFS_IDX_NAME=0,JSONFS_IDX_SIZE=1,JSONFS_IDX_MTIME=2,JSONFS_IDX_MODE=3,JSONFS_IDX_UID=4,JSONFS_IDX_GID=5,JSONFS_IDX_TARGET=6,JSONFS_IDX_SHA256=6;
function FS(a,b){this.inodes=[];this.events=[];this.storage=a;this.qidcounter=b||{last_qidnumber:0};this.inodedata={};this.total_size=274877906944;this.used_size=0;this.mounts=[];this.CreateDirectory("",-1)}FS.prototype.get_state=function(){let a=[];a[0]=this.inodes;a[1]=this.qidcounter.last_qidnumber;a[2]=[];for(const [b,c]of Object.entries(this.inodedata))0===(this.inodes[b].mode&S_IFDIR)&&a[2].push([b,c]);a[3]=this.total_size;a[4]=this.used_size;return a=a.concat(this.mounts)};
FS.prototype.set_state=function(a){this.inodes=a[0].map(b=>{const c=new Inode(0);c.set_state(b);return c});this.qidcounter.last_qidnumber=a[1];this.inodedata={};for(let [b,c]of a[2])c.buffer.byteLength!==c.byteLength&&(c=c.slice()),this.inodedata[b]=c;this.total_size=a[3];this.used_size=a[4];this.mounts=a.slice(5)};
FS.prototype.AddEvent=function(a,b){var c=this.inodes[a];c.status==STATUS_OK||c.status==STATUS_ON_STORAGE?b():this.is_forwarder(c)?this.follow_fs(c).AddEvent(c.foreign_id,b):this.events.push({id:a,OnEvent:b})};FS.prototype.HandleEvent=function(a){var b=this.inodes[a];this.is_forwarder(b)&&this.follow_fs(b).HandleEvent(b.foreign_id);b=[];for(var c=0;c<this.events.length;c++)this.events[c].id==a?this.events[c].OnEvent():b.push(this.events[c]);this.events=b};
FS.prototype.load_from_json=function(a,b){dbg_assert(a,"Invalid fs passed to load_from_json");if(a.version!==JSONFS_VERSION)throw"The filesystem JSON format has changed. Please update your fs2json (https://github.com/copy/fs2json) and recreate the filesystem JSON.";var c=a.fsroot;this.used_size=a.size;for(a=0;a<c.length;a++)this.LoadRecursive(c[a],0);b&&b()};
FS.prototype.LoadRecursive=function(a,b){var c=this.CreateInode();const d=a[JSONFS_IDX_NAME];c.size=a[JSONFS_IDX_SIZE];c.mtime=a[JSONFS_IDX_MTIME];c.ctime=c.mtime;c.atime=c.mtime;c.mode=a[JSONFS_IDX_MODE];c.uid=a[JSONFS_IDX_UID];c.gid=a[JSONFS_IDX_GID];var e=c.mode&S_IFMT;e===S_IFDIR?(this.PushInode(c,b,d),this.LoadDir(this.inodes.length-1,a[JSONFS_IDX_TARGET])):e===S_IFREG?(c.status=STATUS_ON_STORAGE,c.sha256sum=a[JSONFS_IDX_SHA256],dbg_assert(c.sha256sum),this.PushInode(c,b,d)):e===S_IFLNK?(c.symlink=
a[JSONFS_IDX_TARGET],this.PushInode(c,b,d)):e!==S_IFSOCK&&dbg_log("Unexpected ifmt: "+h(e)+" ("+d+")")};FS.prototype.LoadDir=function(a,b){for(var c=0;c<b.length;c++)this.LoadRecursive(b[c],a)};FS.prototype.should_be_linked=function(a){return!this.is_forwarder(a)||0===a.foreign_id};
FS.prototype.link_under_dir=function(a,b,c){const d=this.inodes[b],e=this.inodes[a];dbg_assert(!this.is_forwarder(e),"Filesystem: Shouldn't link under fowarder parents");dbg_assert(this.IsDirectory(a),"Filesystem: Can't link under non-directories");dbg_assert(this.should_be_linked(d),"Filesystem: Can't link across filesystems apart from their root");dbg_assert(0<=d.nlinks,"Filesystem: Found negative nlinks value of "+d.nlinks);dbg_assert(!e.direntries.has(c),"Filesystem: Name '"+c+"' is already taken");
e.direntries.set(c,b);d.nlinks++;this.IsDirectory(b)&&(dbg_assert(!d.direntries.has(".."),"Filesystem: Cannot link a directory twice"),d.direntries.has(".")||d.nlinks++,d.direntries.set(".",b),d.direntries.set("..",a),e.nlinks++)};
FS.prototype.unlink_from_dir=function(a,b){const c=this.Search(a,b),d=this.inodes[c],e=this.inodes[a];dbg_assert(!this.is_forwarder(e),"Filesystem: Can't unlink from forwarders");dbg_assert(this.IsDirectory(a),"Filesystem: Can't unlink from non-directories");e.direntries.delete(b)?(d.nlinks--,this.IsDirectory(c)&&(dbg_assert(d.direntries.get("..")===a,"Filesystem: Found directory with bad parent id"),d.direntries.delete(".."),e.nlinks--),dbg_assert(0<=d.nlinks,"Filesystem: Found negative nlinks value of "+
d.nlinks)):dbg_assert(!1,"Filesystem: Can't unlink non-existent file: "+b)};FS.prototype.PushInode=function(a,b,c){-1!=b?(this.inodes.push(a),a.fid=this.inodes.length-1,this.link_under_dir(b,a.fid,c)):0==this.inodes.length?(this.inodes.push(a),a.direntries.set(".",0),a.direntries.set("..",0),a.nlinks=2):(message.Debug("Error in Filesystem: Pushed inode with name = "+c+" has no parent"),message.Abort())};
function Inode(a){this.direntries=new Map;this.minor=this.major=this.mtime=this.atime=this.ctime=this.fid=this.gid=this.uid=this.size=this.status=0;this.symlink="";this.mode=493;this.qid={type:0,version:0,path:a};this.caps=void 0;this.nlinks=0;this.sha256sum="";this.locks=[];this.foreign_id=this.mount_id=-1}
Inode.prototype.get_state=function(){const a=[];a[0]=this.mode;a[1]=(this.mode&S_IFMT)===S_IFDIR?[...this.direntries]:(this.mode&S_IFMT)===S_IFREG?this.sha256sum:(this.mode&S_IFMT)===S_IFLNK?this.symlink:(this.mode&S_IFMT)===S_IFSOCK?[this.minor,this.major]:null;a[2]=this.locks;a[3]=this.status;a[4]=this.size;a[5]=this.uid;a[6]=this.gid;a[7]=this.fid;a[8]=this.ctime;a[9]=this.atime;a[10]=this.mtime;a[11]=this.qid.version;a[12]=this.qid.path;a[13]=this.nlinks;return a};
Inode.prototype.set_state=function(a){this.mode=a[0];if((this.mode&S_IFMT)===S_IFDIR){this.direntries=new Map;for(const [b,c]of a[1])this.direntries.set(b,c)}else(this.mode&S_IFMT)===S_IFREG?this.sha256sum=a[1]:(this.mode&S_IFMT)===S_IFLNK?this.symlink=a[1]:(this.mode&S_IFMT)===S_IFSOCK&&([this.minor,this.major]=a[1]);this.locks=[];for(const b of a[2]){const c=new FSLockRegion;c.set_state(b);this.locks.push(c)}this.status=a[3];this.size=a[4];this.uid=a[5];this.gid=a[6];this.fid=a[7];this.ctime=a[8];
this.atime=a[9];this.mtime=a[10];this.qid.type=(this.mode&S_IFMT)>>8;this.qid.version=a[11];this.qid.path=a[12];this.nlinks=a[13]};
FS.prototype.divert=function(a,b){const c=this.Search(a,b),d=this.inodes[c],e=new Inode(-1);dbg_assert(d,"Filesystem divert: name ("+b+") not found");dbg_assert(this.IsDirectory(c)||1>=d.nlinks,"Filesystem: can't divert hardlinked file '"+b+"' with nlinks="+d.nlinks);Object.assign(e,d);const f=this.inodes.length;this.inodes.push(e);e.fid=f;this.is_forwarder(d)&&this.mounts[d.mount_id].backtrack.set(d.foreign_id,f);this.should_be_linked(d)&&(this.unlink_from_dir(a,b),this.link_under_dir(a,f,b));if(this.IsDirectory(c)&&
!this.is_forwarder(d))for(const [g,k]of e.direntries)"."!==g&&".."!==g&&this.IsDirectory(k)&&this.inodes[k].direntries.set("..",f);this.inodedata[f]=this.inodedata[c];delete this.inodedata[c];d.direntries=new Map;d.nlinks=0;return f};FS.prototype.copy_inode=function(a,b){Object.assign(b,a,{fid:b.fid,direntries:b.direntries,nlinks:b.nlinks})};FS.prototype.CreateInode=function(){const a=Math.round(Date.now()/1E3),b=new Inode(++this.qidcounter.last_qidnumber);b.atime=b.ctime=b.mtime=a;return b};
FS.prototype.CreateDirectory=function(a,b){var c=this.inodes[b];if(0<=b&&this.is_forwarder(c))return b=c.foreign_id,a=this.follow_fs(c).CreateDirectory(a,b),this.create_forwarder(c.mount_id,a);c=this.CreateInode();c.mode=511|S_IFDIR;0<=b&&(c.uid=this.inodes[b].uid,c.gid=this.inodes[b].gid,c.mode=this.inodes[b].mode&511|S_IFDIR);c.qid.type=S_IFDIR>>8;this.PushInode(c,b,a);this.NotifyListeners(this.inodes.length-1,"newdir");return this.inodes.length-1};
FS.prototype.CreateFile=function(a,b){var c=this.inodes[b];if(this.is_forwarder(c))return b=c.foreign_id,a=this.follow_fs(c).CreateFile(a,b),this.create_forwarder(c.mount_id,a);c=this.CreateInode();c.uid=this.inodes[b].uid;c.gid=this.inodes[b].gid;c.qid.type=S_IFREG>>8;c.mode=this.inodes[b].mode&438|S_IFREG;this.PushInode(c,b,a);this.NotifyListeners(this.inodes.length-1,"newfile");return this.inodes.length-1};
FS.prototype.CreateNode=function(a,b,c,d){var e=this.inodes[b];if(this.is_forwarder(e))return b=e.foreign_id,a=this.follow_fs(e).CreateNode(a,b,c,d),this.create_forwarder(e.mount_id,a);e=this.CreateInode();e.major=c;e.minor=d;e.uid=this.inodes[b].uid;e.gid=this.inodes[b].gid;e.qid.type=S_IFSOCK>>8;e.mode=this.inodes[b].mode&438;this.PushInode(e,b,a);return this.inodes.length-1};
FS.prototype.CreateSymlink=function(a,b,c){var d=this.inodes[b];if(this.is_forwarder(d))return b=d.foreign_id,a=this.follow_fs(d).CreateSymlink(a,b,c),this.create_forwarder(d.mount_id,a);d=this.CreateInode();d.uid=this.inodes[b].uid;d.gid=this.inodes[b].gid;d.qid.type=S_IFLNK>>8;d.symlink=c;d.mode=S_IFLNK;this.PushInode(d,b,a);return this.inodes.length-1};
FS.prototype.CreateTextFile=async function(a,b,c){var d=this.inodes[b];if(this.is_forwarder(d))return b=d.foreign_id,c=await this.follow_fs(d).CreateTextFile(a,b,c),this.create_forwarder(d.mount_id,c);d=this.CreateFile(a,b);b=this.inodes[d];a=new Uint8Array(c.length);b.size=c.length;for(b=0;b<c.length;b++)a[b]=c.charCodeAt(b);await this.set_data(d,a);return d};
FS.prototype.CreateBinaryFile=async function(a,b,c){var d=this.inodes[b];if(this.is_forwarder(d))return b=d.foreign_id,c=await this.follow_fs(d).CreateBinaryFile(a,b,c),this.create_forwarder(d.mount_id,c);d=this.CreateFile(a,b);a=this.inodes[d];b=new Uint8Array(c.length);b.set(c);await this.set_data(d,b);a.size=c.length;return d};
FS.prototype.OpenInode=function(a,b){var c=this.inodes[a];if(this.is_forwarder(c))return this.follow_fs(c).OpenInode(c.foreign_id,b);(c.mode&S_IFMT)==S_IFDIR&&this.FillDirectory(a);return!0};FS.prototype.CloseInode=async function(a){var b=this.inodes[a];if(this.is_forwarder(b))return await this.follow_fs(b).CloseInode(b.foreign_id);b.status===STATUS_ON_STORAGE&&this.storage.uncache(b.sha256sum);b.status==STATUS_UNLINKED&&(b.status=STATUS_INVALID,await this.DeleteData(a))};
FS.prototype.Rename=async function(a,b,c,d){if(a==c&&b==d)return 0;var e=this.Search(a,b);if(-1===e)return-ENOENT;var f=this.GetFullPath(a)+"/"+b;if(-1!=this.Search(c,d)){var g=this.Unlink(c,d);if(0>g)return g}var k=this.inodes[e],l=this.inodes[a];g=this.inodes[c];if(this.is_forwarder(l)||this.is_forwarder(g))if(this.is_forwarder(l)&&l.mount_id===g.mount_id){if(a=await this.follow_fs(l).Rename(l.foreign_id,b,g.foreign_id,d),0>a)return a}else{if(this.is_a_root(e))return dbg_log("XXX: Attempted to move mountpoint ("+
b+") - skipped",LOG_9P),-EPERM;if(!this.IsDirectory(e)&&1<this.GetInode(e).nlinks)return dbg_log("XXX: Attempted to move hardlinked file ("+b+") across filesystems - skipped",LOG_9P),-EPERM;l=this.divert(a,b);const m=this.GetInode(e),n=await this.Read(l,0,m.size);this.is_forwarder(g)?(c=this.follow_fs(g),d=this.IsDirectory(l)?c.CreateDirectory(d,g.foreign_id):c.CreateFile(d,g.foreign_id),c=c.GetInode(d),this.copy_inode(m,c),this.set_forwarder(e,g.mount_id,d)):(this.delete_forwarder(k),this.copy_inode(m,
k),this.link_under_dir(c,e,d));await this.ChangeSize(e,m.size);n&&n.length&&await this.Write(e,0,n.length,n);if(this.IsDirectory(e))for(const p of this.GetChildren(l))if(g=await this.Rename(l,p,e,p),0>g)return g;await this.DeleteData(l);a=this.Unlink(a,b);if(0>a)return a}else this.unlink_from_dir(a,b),this.link_under_dir(c,e,d),k.qid.version++;this.NotifyListeners(e,"rename",{oldpath:f});return 0};
FS.prototype.Write=async function(a,b,c,d){this.NotifyListeners(a,"write");var e=this.inodes[a];if(this.is_forwarder(e))a=e.foreign_id,await this.follow_fs(e).Write(a,b,c,d);else{var f=await this.get_buffer(a);!f||f.length<b+c?(await this.ChangeSize(a,Math.floor(3*(b+c)/2)),e.size=b+c,f=await this.get_buffer(a)):e.size<b+c&&(e.size=b+c);d&&f.set(d.subarray(0,c),b);await this.set_data(a,f)}};
FS.prototype.Read=async function(a,b,c){const d=this.inodes[a];return this.is_forwarder(d)?(a=d.foreign_id,await this.follow_fs(d).Read(a,b,c)):await this.get_data(a,b,c)};FS.prototype.Search=function(a,b){a=this.inodes[a];if(this.is_forwarder(a)){const c=a.foreign_id;b=this.follow_fs(a).Search(c,b);return-1===b?-1:this.get_forwarder(a.mount_id,b)}b=a.direntries.get(b);return void 0===b?-1:b};
FS.prototype.CountUsedInodes=function(){let a=this.inodes.length;for(const {fs:b,backtrack:c}of this.mounts)a+=b.CountUsedInodes(),a-=c.size;return a};FS.prototype.CountFreeInodes=function(){let a=1048576;for(const {fs:b}of this.mounts)a+=b.CountFreeInodes();return a};FS.prototype.GetTotalSize=function(){let a=this.used_size;for(const {fs:b}of this.mounts)a+=b.GetTotalSize();return a};FS.prototype.GetSpace=function(){let a=this.total_size;for(const {fs:b}of this.mounts)a+=b.GetSpace();return this.total_size};
FS.prototype.GetDirectoryName=function(a){const b=this.inodes[this.GetParent(a)];if(this.is_forwarder(b))return this.follow_fs(b).GetDirectoryName(this.inodes[a].foreign_id);if(!b)return"";for(const [c,d]of b.direntries)if(d===a)return c;dbg_assert(!1,"Filesystem: Found directory inode whose parent doesn't link to it");return""};
FS.prototype.GetFullPath=function(a){dbg_assert(this.IsDirectory(a),"Filesystem: Cannot get full path of non-directory inode");for(var b="";0!=a;)b="/"+this.GetDirectoryName(a)+b,a=this.GetParent(a);return b.substring(1)};
FS.prototype.Link=function(a,b,c){if(this.IsDirectory(b))return-EPERM;const d=this.inodes[a],e=this.inodes[b];if(this.is_forwarder(d))return this.is_forwarder(e)&&e.mount_id===d.mount_id?this.follow_fs(d).Link(d.foreign_id,e.foreign_id,c):(dbg_log("XXX: Attempted to hardlink a file into a child filesystem - skipped",LOG_9P),-EPERM);if(this.is_forwarder(e))return dbg_log("XXX: Attempted to hardlink file across filesystems - skipped",LOG_9P),-EPERM;this.link_under_dir(a,b,c);return 0};
FS.prototype.Unlink=function(a,b){if("."===b||".."===b)return-EPERM;const c=this.Search(a,b),d=this.inodes[c],e=this.inodes[a];if(this.is_forwarder(e))return dbg_assert(this.is_forwarder(d),"Children of forwarders should be forwarders"),a=e.foreign_id,this.follow_fs(e).Unlink(a,b);if(this.IsDirectory(c)&&!this.IsEmpty(c))return-ENOTEMPTY;this.unlink_from_dir(a,b);0===d.nlinks&&(d.status=STATUS_UNLINKED,this.NotifyListeners(c,"delete"));return 0};
FS.prototype.DeleteData=async function(a){const b=this.inodes[a];this.is_forwarder(b)?await this.follow_fs(b).DeleteData(b.foreign_id):(b.size=0,delete this.inodedata[a])};
FS.prototype.get_buffer=async function(a){const b=this.inodes[a];dbg_assert(b,`Filesystem get_buffer: idx ${a} does not point to an inode`);return this.inodedata[a]?this.inodedata[a]:b.status===STATUS_ON_STORAGE?(dbg_assert(b.sha256sum,"Filesystem get_data: found inode on server without sha256sum"),await this.storage.read(b.sha256sum,0,b.size)):null};
FS.prototype.get_data=async function(a,b,c){const d=this.inodes[a];dbg_assert(d,`Filesystem get_data: idx ${a} does not point to an inode`);return this.inodedata[a]?this.inodedata[a].subarray(b,b+c):d.status===STATUS_ON_STORAGE?(dbg_assert(d.sha256sum,"Filesystem get_data: found inode on server without sha256sum"),await this.storage.read(d.sha256sum,b,c)):null};
FS.prototype.set_data=async function(a,b){this.inodedata[a]=b;this.inodes[a].status===STATUS_ON_STORAGE&&(this.inodes[a].status=STATUS_OK,this.storage.uncache(this.inodes[a].sha256sum))};FS.prototype.GetInode=function(a){dbg_assert(!isNaN(a),"Filesystem GetInode: NaN idx");dbg_assert(0<=a&&a<this.inodes.length,"Filesystem GetInode: out of range idx:"+a);a=this.inodes[a];return this.is_forwarder(a)?this.follow_fs(a).GetInode(a.foreign_id):a};
FS.prototype.ChangeSize=async function(a,b){var c=this.GetInode(a),d=await this.get_data(a,0,c.size);if(b!=c.size){var e=new Uint8Array(b);c.size=b;d&&e.set(d.subarray(0,Math.min(d.length,c.size)),0);await this.set_data(a,e)}};
FS.prototype.SearchPath=function(a){a=a.replace("//","/");a=a.split("/");0<a.length&&0===a[a.length-1].length&&a.pop();0<a.length&&0===a[0].length&&a.shift();const b=a.length;var c=-1,d=0;let e=null;for(var f=0;f<b;f++)if(c=d,d=this.Search(c,a[f]),!e&&this.is_forwarder(this.inodes[c])&&(e="/"+a.slice(f).join("/")),-1==d)return f<b-1?{id:-1,parentid:-1,name:a[f],forward_path:e}:{id:-1,parentid:c,name:a[f],forward_path:e};return{id:d,parentid:c,name:a[f],forward_path:e}};
FS.prototype.GetRecursiveList=function(a,b){if(this.is_forwarder(this.inodes[a])){const c=this.follow_fs(this.inodes[a]),d=this.inodes[a].mount_id,e=b.length;c.GetRecursiveList(this.inodes[a].foreign_id,b);for(a=e;a<b.length;a++)b[a].parentid=this.get_forwarder(d,b[a].parentid)}else for(const [c,d]of this.inodes[a].direntries)"."!==c&&".."!==c&&(b.push({parentid:a,name:c}),this.IsDirectory(d)&&this.GetRecursiveList(d,b))};
FS.prototype.RecursiveDelete=function(a){var b=[];a=this.SearchPath(a);if(-1!==a.id)for(this.GetRecursiveList(a.id,b),a=b.length-1;0<=a;a--){const c=this.Unlink(b[a].parentid,b[a].name);dbg_assert(0===c,"Filesystem RecursiveDelete failed at parent="+b[a].parentid+", name='"+b[a].name+"' with error code: "+-c)}};
FS.prototype.DeleteNode=function(a){var b=this.SearchPath(a);-1!=b.id&&((this.inodes[b.id].mode&S_IFMT)==S_IFREG?(a=this.Unlink(b.parentid,b.name),dbg_assert(0===a,"Filesystem DeleteNode failed with error code: "+-a)):(this.inodes[b.id].mode&S_IFMT)==S_IFDIR&&(this.RecursiveDelete(a),a=this.Unlink(b.parentid,b.name),dbg_assert(0===a,"Filesystem DeleteNode failed with error code: "+-a)))};FS.prototype.NotifyListeners=function(a,b,c){};
FS.prototype.Check=function(){for(var a=1;a<this.inodes.length;a++)if(this.inodes[a].status!=STATUS_INVALID){var b=this.GetInode(a);0>b.nlinks&&message.Debug("Error in filesystem: negative nlinks="+b.nlinks+" at id ="+a);if(this.IsDirectory(a)){b=this.GetInode(a);this.IsDirectory(a)&&0>this.GetParent(a)&&message.Debug("Error in filesystem: negative parent id "+a);for(const [c,d]of b.direntries){0===c.length&&message.Debug("Error in filesystem: inode with no name and id "+d);for(const e of c)32>e&&
message.Debug("Error in filesystem: Unallowed char in filename")}}}};FS.prototype.FillDirectory=function(a){var b=this.inodes[a];if(this.is_forwarder(b))this.follow_fs(b).FillDirectory(b.foreign_id);else{var c=0;for(const d of b.direntries.keys())c+=24+UTF8.UTF8Length(d);a=this.inodedata[a]=new Uint8Array(c);b.size=c;c=0;for(const [d,e]of b.direntries)b=this.GetInode(e),c+=marshall.Marshall(["Q","d","b","s"],[b.qid,c+13+8+1+2+UTF8.UTF8Length(d),b.mode>>12,d],a,c)}};
FS.prototype.RoundToDirentry=function(a,b){const c=this.inodedata[a];dbg_assert(c,`FS directory data for dirid=${a} should be generated`);dbg_assert(c.length,"FS directory should have at least an entry");if(b>=c.length)return c.length;for(a=0;;){const d=marshall.Unmarshall(["Q","d"],c,{offset:a})[1];if(d>b)break;a=d}return a};FS.prototype.IsDirectory=function(a){a=this.inodes[a];return this.is_forwarder(a)?this.follow_fs(a).IsDirectory(a.foreign_id):(a.mode&S_IFMT)===S_IFDIR};
FS.prototype.IsEmpty=function(a){a=this.inodes[a];if(this.is_forwarder(a))return this.follow_fs(a).IsDirectory(a.foreign_id);for(const b of a.direntries.keys())if("."!==b&&".."!==b)return!1;return!0};FS.prototype.GetChildren=function(a){dbg_assert(this.IsDirectory(a),"Filesystem: cannot get children of non-directory inode");a=this.inodes[a];if(this.is_forwarder(a))return this.follow_fs(a).GetChildren(a.foreign_id);const b=[];for(const c of a.direntries.keys())"."!==c&&".."!==c&&b.push(c);return b};
FS.prototype.GetParent=function(a){dbg_assert(this.IsDirectory(a),"Filesystem: cannot get parent of non-directory inode");a=this.inodes[a];if(this.should_be_linked(a))return a.direntries.get("..");const b=this.follow_fs(a).GetParent(a.foreign_id);dbg_assert(-1!==b,"Filesystem: should not have invalid parent ids");return this.get_forwarder(a.mount_id,b)};
FS.prototype.PrepareCAPs=function(a){a=this.GetInode(a);if(a.caps)return a.caps.length;a.caps=new Uint8Array(20);a.caps[0]=0;a.caps[1]=0;a.caps[2]=0;a.caps[3]=2;a.caps[4]=255;a.caps[5]=255;a.caps[6]=255;a.caps[7]=255;a.caps[8]=255;a.caps[9]=255;a.caps[10]=255;a.caps[11]=255;a.caps[12]=63;a.caps[13]=0;a.caps[14]=0;a.caps[15]=0;a.caps[16]=63;a.caps[17]=0;a.caps[18]=0;a.caps[19]=0;return a.caps.length};function FSMountInfo(a){this.fs=a;this.backtrack=new Map}
FSMountInfo.prototype.get_state=function(){const a=[];a[0]=this.fs;a[1]=[...this.backtrack];return a};FSMountInfo.prototype.set_state=function(a){this.fs=a[0];this.backtrack=new Map(a[1])};
FS.prototype.set_forwarder=function(a,b,c){const d=this.inodes[a];dbg_assert(0===d.nlinks,"Filesystem: attempted to convert an inode into forwarder before unlinking the inode");this.is_forwarder(d)&&this.mounts[d.mount_id].backtrack.delete(d.foreign_id);d.status=STATUS_FORWARDING;d.mount_id=b;d.foreign_id=c;this.mounts[b].backtrack.set(c,a)};FS.prototype.create_forwarder=function(a,b){const c=this.CreateInode(),d=this.inodes.length;this.inodes.push(c);c.fid=d;this.set_forwarder(d,a,b);return d};
FS.prototype.is_forwarder=function(a){return a.status===STATUS_FORWARDING};FS.prototype.is_a_root=function(a){return 0===this.GetInode(a).fid};FS.prototype.get_forwarder=function(a,b){var c=this.mounts[a];dbg_assert(0<=b,"Filesystem get_forwarder: invalid foreign_id: "+b);dbg_assert(c,"Filesystem get_forwarder: invalid mount number: "+a);c=c.backtrack.get(b);return void 0===c?this.create_forwarder(a,b):c};
FS.prototype.delete_forwarder=function(a){dbg_assert(this.is_forwarder(a),"Filesystem delete_forwarder: expected forwarder");a.status=STATUS_INVALID;this.mounts[a.mount_id].backtrack.delete(a.foreign_id)};FS.prototype.follow_fs=function(a){const b=this.mounts[a.mount_id];dbg_assert(this.is_forwarder(a),"Filesystem follow_fs: inode should be a forwarding inode");dbg_assert(b,"Filesystem follow_fs: inode<id="+a.fid+"> should point to valid mounted FS");return b.fs};
FS.prototype.Mount=function(a,b){dbg_assert(b.qidcounter===this.qidcounter,"Cannot mount filesystem whose qid numbers aren't synchronised with current filesystem.");var c=this.SearchPath(a);if(-1===c.parentid)return dbg_log("Mount failed: parent for path not found: "+a,LOG_9P),-ENOENT;if(-1!==c.id)return dbg_log("Mount failed: file already exists at path: "+a,LOG_9P),-EEXIST;if(c.forward_path)return a=this.inodes[c.parentid],c=this.follow_fs(a).Mount(c.forward_path,b),0>c?c:this.get_forwarder(a.mount_id,
c);a=this.mounts.length;this.mounts.push(new FSMountInfo(b));b=this.create_forwarder(a,0);this.link_under_dir(c.parentid,b,c.name);return b};function FSLockRegion(){this.type=P9_LOCK_TYPE_UNLCK;this.start=0;this.length=Infinity;this.proc_id=-1;this.client_id=""}FSLockRegion.prototype.get_state=function(){const a=[];a[0]=this.type;a[1]=this.start;a[2]=Infinity===this.length?0:this.length;a[3]=this.proc_id;a[4]=this.client_id;return a};
FSLockRegion.prototype.set_state=function(a){this.type=a[0];this.start=a[1];this.length=0===a[2]?Infinity:a[2];this.proc_id=a[3];this.client_id=a[4]};FSLockRegion.prototype.clone=function(){const a=new FSLockRegion;a.set_state(this.get_state());return a};
FSLockRegion.prototype.conflicts_with=function(a){return this.proc_id===a.proc_id&&this.client_id===a.client_id||this.type===P9_LOCK_TYPE_UNLCK||a.type===P9_LOCK_TYPE_UNLCK||this.type!==P9_LOCK_TYPE_WRLCK&&a.type!==P9_LOCK_TYPE_WRLCK||this.start+this.length<=a.start||a.start+a.length<=this.start?!1:!0};FSLockRegion.prototype.is_alike=function(a){return a.proc_id===this.proc_id&&a.client_id===this.client_id&&a.type===this.type};
FSLockRegion.prototype.may_merge_after=function(a){return this.is_alike(a)&&a.start+a.length===this.start};FS.prototype.DescribeLock=function(a,b,c,d,e){dbg_assert(a===P9_LOCK_TYPE_RDLCK||a===P9_LOCK_TYPE_WRLCK||a===P9_LOCK_TYPE_UNLCK,"Filesystem: Invalid lock type: "+a);dbg_assert(0<=b,"Filesystem: Invalid negative lock starting offset: "+b);dbg_assert(0<c,"Filesystem: Invalid non-positive lock length: "+c);const f=new FSLockRegion;f.type=a;f.start=b;f.length=c;f.proc_id=d;f.client_id=e;return f};
FS.prototype.GetLock=function(a,b){a=this.inodes[a];if(this.is_forwarder(a)){var c=a.foreign_id;return this.follow_fs(a).GetLock(c,b)}for(c of a.locks)if(b.conflicts_with(c))return c.clone();return null};
FS.prototype.Lock=function(a,b,c){const d=this.inodes[a];if(this.is_forwarder(d))return a=d.foreign_id,this.follow_fs(d).Lock(a,b,c);b=b.clone();if(b.type!==P9_LOCK_TYPE_UNLCK&&this.GetLock(a,b))return P9_LOCK_BLOCKED;for(c=0;c<d.locks.length;c++){a=d.locks[c];dbg_assert(0<a.length,"Filesystem: Found non-positive lock region length: "+a.length);dbg_assert(a.type===P9_LOCK_TYPE_RDLCK||a.type===P9_LOCK_TYPE_WRLCK,"Filesystem: Found invalid lock type: "+a.type);dbg_assert(!d.locks[c-1]||d.locks[c-1].start<=
a.start,"Filesystem: Locks should be sorted by starting offset");if(a.start+a.length<=b.start)continue;if(b.start+b.length<=a.start)break;if(a.proc_id!==b.proc_id||a.client_id!==b.client_id){dbg_assert(!a.conflicts_with(b),"Filesytem: Found conflicting lock region, despite already checked for conflicts");continue}var e=b.start+b.length;const f=b.start-a.start,g=a.start+a.length-e;if(0<f&&0<g&&a.type===b.type)return P9_LOCK_SUCCESS;0<f&&(a.length=f);if(0>=f&&0<g)a.start=e,a.length=g;else if(0<g){for(;c<
d.locks.length&&d.locks[c].start<e;)c++;d.locks.splice(c,0,this.DescribeLock(a.type,e,g,a.proc_id,a.client_id))}else 0>=f&&(d.locks.splice(c,1),c--)}if(b.type!==P9_LOCK_TYPE_UNLCK){c=b;a=!1;for(e=0;e<d.locks.length&&!(c.may_merge_after(d.locks[e])&&(d.locks[e].length+=b.length,c=d.locks[e],a=!0),b.start<=d.locks[e].start);e++);a||(d.locks.splice(e,0,c),e++);for(;e<d.locks.length;e++)if(d.locks[e].is_alike(c)){d.locks[e].may_merge_after(c)&&(c.length+=d.locks[e].length,d.locks.splice(e,1));break}}return P9_LOCK_SUCCESS};
FS.prototype.read_dir=function(a){a=this.SearchPath(a);if(-1!==a.id)return a=this.GetInode(a.id),Array.from(a.direntries.keys()).filter(b=>"."!==b&&".."!==b)};FS.prototype.read_file=function(a){a=this.SearchPath(a);if(-1===a.id)return Promise.resolve(null);const b=this.GetInode(a.id);return this.Read(a.id,0,b.size)};var VIRTIO_MAGIC_REG=0,VIRTIO_VERSION_REG=4,VIRTIO_DEVICE_REG=8,VIRTIO_VENDOR_REG=12,VIRTIO_HOSTFEATURES_REG=16,VIRTIO_HOSTFEATURESSEL_REG=20,VIRTIO_GUESTFEATURES_REG=32,VIRTIO_GUESTFEATURESSEL_REG=36,VIRTIO_GUEST_PAGE_SIZE_REG=40,VIRTIO_QUEUESEL_REG=48,VIRTIO_QUEUENUMMAX_REG=52,VIRTIO_QUEUENUM_REG=56,VIRTIO_QUEUEALIGN_REG=60,VIRTIO_QUEUEPFN_REG=64,VIRTIO_QUEUENOTIFY_REG=80,VIRTIO_INTERRUPTSTATUS_REG=96,VIRTIO_INTERRUPTACK_REG=100,VIRTIO_STATUS_REG=112,VRING_DESC_F_NEXT=1,VRING_DESC_F_WRITE=2,VRING_DESC_F_INDIRECT=
4;function hex8(a){return h(a)}var message={Debug:function(a){dbg_log([].slice.apply(arguments).join(" "),LOG_9P)},Abort:function(){if(DEBUG)throw Error("message.Abort()");}},LoadBinaryResource;
LoadBinaryResource="undefined"!==typeof XMLHttpRequest?function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onreadystatechange=function(){if(4==d.readyState)if(200!=d.status&&0!=d.status)c("Error: Could not load file "+a);else{var e=d.response;e?b(e):c("Error: No data received from: "+a)}};d.send(null)}:function(a,b,c){require("fs").readFile(a,function(d,e){d?c(d):b(e.buffer)})};var marshall={Marshall:function(a,b,c,d){for(var e,f=0,g=0;g<a.length;g++)switch(e=b[g],a[g]){case "w":c[d++]=e&255;c[d++]=e>>8&255;c[d++]=e>>16&255;c[d++]=e>>24&255;f+=4;break;case "d":c[d++]=e&255;c[d++]=e>>8&255;c[d++]=e>>16&255;c[d++]=e>>24&255;c[d++]=0;c[d++]=0;c[d++]=0;c[d++]=0;f+=8;break;case "h":c[d++]=e&255;c[d++]=e>>8;f+=2;break;case "b":c[d++]=e;f+=1;break;case "s":var k=d,l=0;c[d++]=0;c[d++]=0;f+=2;for(var m of e)UnicodeToUTF8Stream(m.charCodeAt(0)).forEach(function(n){c[d++]=n;f+=1;l++});
c[k+0]=l&255;c[k+1]=l>>8&255;break;case "Q":marshall.Marshall(["b","w","d"],[e.type,e.version,e.path],c,d);d+=13;f+=13;break;default:message.Debug("Marshall: Unknown type="+a[g])}return f},Unmarshall:function(a,b,c){let d=c.offset;for(var e=[],f=0;f<a.length;f++)switch(a[f]){case "w":var g=b[d++];g+=b[d++]<<8;g+=b[d++]<<16;g+=b[d++]<<24>>>0;e.push(g);break;case "d":g=b[d++];g+=b[d++]<<8;g+=b[d++]<<16;g+=b[d++]<<24>>>0;d+=4;e.push(g);break;case "h":g=b[d++];e.push(g+(b[d++]<<8));break;case "b":e.push(b[d++]);
break;case "s":g=b[d++];g+=b[d++]<<8;for(var k="",l=new UTF8StreamToUnicode,m=0;m<g;m++){var n=l.Put(b[d++]);-1!=n&&(k+=String.fromCharCode(n))}e.push(k);break;case "Q":c.offset=d;g=marshall.Unmarshall(["b","w","d"],b,c);d=c.offset;e.push({type:g[0],version:g[1],path:g[2]});break;default:message.Debug("Error in Unmarshall: Unknown type="+a[f])}c.offset=d;return e}};var UTF8={};function UTF8StreamToUnicode(){this.stream=new Uint8Array(5);this.ofs=0;this.Put=function(a){this.stream[this.ofs]=a;this.ofs++;switch(this.ofs){case 1:if(128>this.stream[0])return this.ofs=0,this.stream[0];break;case 2:if(192==(this.stream[0]&224)&&128==(this.stream[1]&192))return this.ofs=0,(this.stream[0]&31)<<6|this.stream[1]&63}return-1}}function UnicodeToUTF8Stream(a){if(128>a)return[a];if(2048>a)return[192|a>>6&31,128|a&63]}
UTF8.UTF8Length=function(a){for(var b=0,c=0;c<a.length;c++){var d=a.charCodeAt(c);b+=128>d?1:2}return b};}).call(this);