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Fixed PC-DOS 7.00 CPU detection logic (see SGDT)

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This commit is contained in:
Jeff Parsons 2014-10-23 16:46:58 -07:00 • committed by jeffpar
commit 0173492ef2
12 changed files with 198 additions and 93 deletions
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2
disks/pc/dos/ibm/7.00/PCDOS700-DISK2.json
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disks/pc/dos/ibm/7.00/PCDOS700-DISK3.json
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disks/pc/dos/ibm/7.00/PCDOS700-DISK4.json
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disks/pc/dos/ibm/7.00/PCDOS700-DISK5.json
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disks/pc/dos/ibm/7.00/PCDOS700.json Normal file
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21
disks/pc/dos/ibm/7.00/manifest.xml
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@ -6,19 +6,22 @@
<type>DOS</type>
<category>Operating System</category>
<author>IBM</author>
<disk id="disk00" size="1474560" chs="80:2:18" img="private/PCDOS700.img" href="/disks/pc/dos/ibm/7.00/PCDOS700.json" md5="72f453733c6d4a102fdad4366a7daf1f" md5json="fcbc9523367a18ee0efa0dccace722c2">
<name>PC-DOS 7.00 (Boot Disk)</name>
</disk>
<disk id="disk01" size="1474560" chs="80:2:18" img="private/PCDOS700-DISK1.img" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK1.json" md5="2a3736d2acbb7730965b7cb6d3f16d00" md5json="97fc896b5679dabbadfa13ed6a1dc681">
<name>PC-DOS 7.00 (Disk 1)</name>
<name>PC-DOS 7.00 (SETUP Disk 1)</name>
</disk>
<disk id="disk02" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK2.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK2.json" md5="b21b98aca8fafbdd1a7b9db77e7dc60d" md5json="e01a29ace42aef1c65e7f9794271e6d8">
<name>PC-DOS 7.00 (XDF Disk 2)</name>
<disk id="disk02" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK2.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK2.json" md5="b21b98aca8fafbdd1a7b9db77e7dc60d" md5json="95b075274808e24f6e67fc05d999ff01">
<name>PC-DOS 7.00 (SETUP Disk 2)</name>
</disk>
<disk id="disk03" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK3.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK3.json" md5="e45111515901b951dc5ff33434b47a0a" md5json="b439c1f270e35afa4597bec59d80e1d2">
<name>PC-DOS 7.00 (XDF Disk 3)</name>
<disk id="disk03" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK3.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK3.json" md5="e45111515901b951dc5ff33434b47a0a" md5json="7bae36688f85046d2564b0240b931117">
<name>PC-DOS 7.00 (SETUP Disk 3)</name>
</disk>
<disk id="disk04" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK4.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK4.json" md5="1ea1b92938a40cbb5089c30c86165c7a" md5json="e8d58a70a5849ce180c2ef00afc7143b">
<name>PC-DOS 7.00 (XDF Disk 4)</name>
<disk id="disk04" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK4.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK4.json" md5="1ea1b92938a40cbb5089c30c86165c7a" md5json="ecf1eb5628c30f0c766c44395ce38c0d">
<name>PC-DOS 7.00 (SETUP Disk 4)</name>
</disk>
<disk id="disk05" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK5.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK5.json" md5="e613544f161d0857fc3adf6a13eb9371" md5json="83f094d61b5d52ea8bd315de15f14f48">
<name>PC-DOS 7.00 (XDF Disk 5)</name>
<disk id="disk05" size="1884160" chs="80:2:23" img="private/PCDOS700-DISK5.xdf" href="/disks/pc/dos/ibm/7.00/PCDOS700-DISK5.json" md5="e613544f161d0857fc3adf6a13eb9371" md5json="aaf6eca0bf684565e935f3121e8ff705">
<name>PC-DOS 7.00 (SETUP Disk 5)</name>
</disk>
</manifest>

108
my_modules/diskdump/lib/diskdump.js
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@ -778,7 +778,7 @@ DiskDump.prototype.isExcluded = function(sName)
DiskDump.prototype.loadFile = function(done)
{
/*
* When the 'encoding' property of the 'options' object is null (or when the 'options'
* When the 'encoding' property of the 'options' object is null (or the 'options'
* object is omitted altogether), the callback's 2nd parameter will be a Buffer object
* rather than a String.
*/
@ -2128,10 +2128,11 @@ DiskDump.prototype.convertToJSON = function()
nHeads = nHeadsBPB;
nCylinders = Math.floor(nSectorsTotalBPB / nSectorsPerCylinderBPB);
nSectorsPerTrack = nSectorsPerTrackBPB;
/*
* OK, great, the disk appears to contain a valid BPB. But so do XDF disk images, which are
* diskette images with tracks containing:
*
*
* 1 8Kb sector (equivalent of 16 512-byte sectors)
* 1 2Kb sector (equivalent of 4 512-byte sectors)
* 1 1Kb sector (equivalent of 2 512-byte sectors)
@ -2140,19 +2141,19 @@ DiskDump.prototype.convertToJSON = function()
* for a total of the equivalent of 23 512-byte sectors, or 11776 (0x2E00) bytes per track.
* For an 80-track diskette with 2 sides, that works out to a total of 3680 512-byte sectors,
* or 1884160 bytes, or 1.84Mb, which is the exact size of the (only) XDF diskette images we
* currently support.
*
* Moreover, the first two tracks (ie, the first cylinder) contain only 19 sectors, rather than
* 23, but the XDF format still pads those tracks with 4 unused sectors.
*
* currently (try to) support.
*
* Moreover, the first two tracks (ie, the first cylinder) contain only 19 sectors each,
* rather than 23, but the XDF format still pads those tracks with 4 unused sectors.
*
* So, data for the first track contains 1 boot sector ending at 512 (0x200), 11 FAT sectors
* ending at 6144 (0x1800), and 7 "micro-disk" sectors ending at 9728 (0x2600). Then there's
* 4 sectors (probably of "garbage") that end at 11776 (0x2E00).
*
* 4 sectors (presumably of "garbage") that end at 11776 (0x2E00).
*
* Data for the second track contains 7 root directory sectors ending at 15360 (0x3C00), followed
* by disk data.
*
* For more details, check out this very helpful article: http://www.os2museum.com/wp/the-xdf-diskette-format/
*
* For more details, check out this helpful article: http://www.os2museum.com/wp/the-xdf-diskette-format/
*/
if (nSectorsTotalBPB == 3680) fXDF = true;
}
@ -2248,27 +2249,78 @@ DiskDump.prototype.convertToJSON = function()
json += this.dumpLine(2, "[", "head:" + this.sJSONWhitespace + iHead + ", track:" + this.sJSONWhitespace + iCylinder);
}
/*
* For most disks, the size of every sector and the number of sectors/track are consistent, and the
* sector number encoded in every sector (nSector) matches the 1-based sector index (iSector) we use
* to "track" our progress through the current track. However, for XDF disk images, the above is
* NOT true beyond cylinder 0, which is why we have all these *ThisTrack variables, which would otherwise
* be unnecessary.
*/
var cbSectorThisTrack = cbSector;
var nSectorsThisTrack = nSectorsPerTrack;
/*
* Notes regarding XDF track layouts, from http://forum.kryoflux.com/viewtopic.php?f=3&t=234:
*
* Track 0, side 0: 19x512 bytes per sector, with standard numbering for the first 8 sectors, then custom numbering
* Track 0, side 1: 19x512 bytes per sector, with interleaved sector numbering 0x81...0x93
*
* Track 1 and up, side 0, 4 sectors per track:
* 1x1024, 1x512, 1x2048, 1x8192 bytes per sector (0x83, 0x82, 084, 0x86 as sector numbers)
*
* Track 1 and up, side 1, 4 sectors per track:
* 1x2048, 1x512, 1x1024, 1x8192 bytes per sector (0x84, 0x82, 083, 0x86 as sector numbers)
*
* Notes regarding the order in which XDF sectors are read (from http://mail.netbridge.at/cgi-bin/info2www?(fdutils)XDF),
* where each position column represents a (roughly) 128-byte section of the track:
*
* 1 2 3 4
* 1234567890123456789012345678901234567890 (position)
* ----------------------------------------
* 6633332244444446666666666666666666666666 (side 0)
* 6666444444422333366666666666666666666666 (side 1)
*
* where 2's contain a 512-byte sector, 3's contain a 1Kb sector, 4's contains a 2Kb sector, and 6's contain an 8Kb sector.
*
* Reading all the data on an XDF cylinder occurs in the following order, from the specified start to end positions:
*
* sector head start end
* 3 0 3 7
* 4 0 9 16
* 6 1 18 5 (1st wrap around)
* 2 0 7 9
* 2 1 12 14
* 6 0 16 3 (2nd wrap around)
* 4 1 5 12
* 3 1 14 18
*/
if (fXDF) nSectorsThisTrack = (iCylinder? 4 : 19);
for (var iSector=1, offSector=0; iSector <= nSectorsThisTrack && offSector < cbTrack; iSector++, offSector += cbSectorThisTrack) {
var sector = {};
if (fXDF && iCylinder) cbSectorThisTrack = (iSector == 1? 8192 : (iSector == 2? 2048 : (iSector == 3? 1024 : 512)));
var nSector = iSector;
if (fXDF && iCylinder) {
if (!iHead) {
cbSectorThisTrack = (iSector == 1? 1024 : (iSector == 2? 512 : (iSector == 3? 2048 : 8192)));
} else {
cbSectorThisTrack = (iSector == 1? 8192 : (iSector == 2? 2048 : (iSector == 3? 1024 : 512)));
}
nSector = (cbSectorThisTrack == 512? 2 : (cbSectorThisTrack == 1024? 3 : (cbSectorThisTrack == 2048? 4 : 6)));
}
bufSector = bufTrack.slice(offSector, offSector + cbSectorThisTrack);
if (this.fJSONNative) {
sector['sector'] = iSector;
sector['sector'] = nSector;
sector['length'] = cbSectorThisTrack;
} else {
json += (iSector == 1? this.dumpLine(2, "{") : "");
json += this.dumpLine(0, '"sector":' + this.sJSONWhitespace + iSector + ",");
json += this.dumpLine(0, '"sector":' + this.sJSONWhitespace + nSector + ",");
json += this.dumpLine(0, '"length":' + this.sJSONWhitespace + cbSectorThisTrack + ",");
}
var aTrim = this.trimSector(bufSector, cbSectorThisTrack);
var dwPattern = aTrim[0];
var cbBuffer = cbSectorThisTrack;
@ -2280,7 +2332,7 @@ DiskDump.prototype.convertToJSON = function()
json += this.dumpLine(0, '"pattern":' + this.sJSONWhitespace + dwPattern + ",");
}
}
if (this.fJSONNative) {
var dataSector = [];
sector['data'] = dataSector;
@ -2307,12 +2359,14 @@ DiskDump.prototype.convertToJSON = function()
offTrack += offHead; // end of cylinder {iCylinder}
}
/*
* Here's where we could output the following comment:
* Here's where I used to output the following comment:
*
* // write-protected
*
* as the first line of the JSON stream if the disk was marked write-protected (ie, if (bByte0 & 0x1) != 0).
* But I'd rather folks just name their JSON disk images with a "-readonly" suffix (another, better, work-around).
*
* But since that makes JSON.parse() sad, the preferred solution is to name read-only JSON disk images with a
* "-readonly" suffix.
*/
if (this.fJSONNative) {
json = JSON.stringify(this.dataDisk);
@ -2338,7 +2392,7 @@ DiskDump.prototype.convertToJSON = function()
* like so:
*
* [ [ {
* trackSig:'CW',
* trackSig:"CW",
* trackNum:0x01,
* trackType:0x58,
* trackLoad:0xnnnn,
@ -2346,21 +2400,21 @@ DiskDump.prototype.convertToJSON = function()
* { sectorSig:0x76,
* sectorNum:0x01,
* sectorPages:0x01,
* sectorEndSig:'GS',
* sectorEndSig:"GS",
* sectorData: [0x52,0x41,0x43,0x4b,...]
* },...
* ]
* },
* {
* trackSig:'CW',
* trackSig:"CW",
* ...
* }
* ] ]
*
* TODO: If we ever add support for OSI drives/disk images with more than one head, we should change the disk image
* format to match that used by DOS disk images and PCjs; ie, an array of cylinders, each containing an array of heads,
* each containing an array of tracks. It's largely just a matter of reversing the meaning of the two outermost array
* elements, here and in the C1Pjs disk module.
* each containing an array of tracks. It's largely just a matter of swapping the two outermost array elements, both
* here and in the C1Pjs disk module.
*
* @this {DiskDump}
* @return {string|null} containing a JSON representation of the disk image, or null if unrecognized/malformed

3
my_modules/pcjs-client/lib/disk.js
View file

@ -1346,7 +1346,7 @@ Disk.prototype.save = function()
for (var iHead = 0; iHead < aDiskData[iCylinder].length; iHead++) {
for (var iSector = 0; iSector < aDiskData[iCylinder][iHead].length; iSector++) {
var sector = aDiskData[iCylinder][iHead][iSector];
if (sector.cModify) {
if (sector && sector.cModify) {
var mods = [], n = 0;
var iModify = sector.iModify, iModifyLimit = sector.iModify + sector.cModify;
while (iModify < iModifyLimit) {
@ -1443,6 +1443,7 @@ Disk.prototype.restore = function(deltas)
var mods = mod[m++];
var iModifyLimit = iModify + mods.length;
var sector = this.aDiskData[iCylinder][iHead][iSector];
if (!sector) continue;
/*
* Since write() now deals with empty/partial sectors, we no longer need to completely "inflate" the sector prior
* to applying modifications. So let's just make sure that the sector is "inflated" up to iModify.

5
my_modules/pcjs-client/lib/x86cpu.js
View file

@ -812,7 +812,10 @@ X86CPU.prototype.resetRegs = function()
* at both 0x0F0000 and 0xFF0000; see the ROM component's "alias" parameter).
*/
if (this.model >= X86.MODEL_80286) {
this.addrGDT = this.addrGDTLimit = 0; // GDTR
/*
* TODO: Verify what the 80286 actually sets addrGDT and addrGDTLimit to on reset (or if it leaves them alone).
*/
this.addrGDT = 0; this.addrGDTLimit = 0xFFFF; // GDTR
this.segLDT = new X86Seg(this, "LDT", true); // LDTR
this.segTSS = new X86Seg(this, "TSS", true); // TR
this.segVER = new X86Seg(this, "VER", true); // a scratch segment register for VERR and VERW instructions

51
my_modules/pcjs-client/lib/x86op0f.js
View file

@ -210,9 +210,44 @@ var X86Op0F = {
if (this.regEA < 0) {
X86Help.opInvalid.call(this);
} else {
this.setWord(this.regEA + 2, this.addrGDT);
this.setByte(this.regEA + 4, this.addrGDT >> 16);
/*
* We don't need to setWord() the first word of the operand, because the ModRM group decoder that calls
* us does that automatically with the value we return (dst).
*/
dst = this.addrGDTLimit - this.addrGDT;
this.setWord(this.regEA + 2, this.addrGDT);
/*
* We previously left the 6th byte of the target operand "undefined". But it turns out we have to set
* it to *something*, because there's processor detection in PC-DOS 7.0 (at least in the SETUP portion)
* that looks like this:
*
* 145E:4B84 9C PUSHF
* 145E:4B85 55 PUSH BP
* 145E:4B86 8BEC MOV BP,SP
* 145E:4B88 B80000 MOV AX,0000
* 145E:4B8B 50 PUSH AX
* 145E:4B8C 9D POPF
* 145E:4B8D 9C PUSHF
* 145E:4B8E 58 POP AX
* 145E:4B8F 2500F0 AND AX,F000
* 145E:4B92 3D00F0 CMP AX,F000
* 145E:4B95 7511 JNZ 4BA8
* 145E:4BA8 C8060000 ENTER 0006,00
* 145E:4BAC 0F0146FA SGDT [BP-06]
* 145E:4BB0 807EFFFF CMP [BP-01],FF
* 145E:4BB4 C9 LEAVE
* 145E:4BB5 BA8603 MOV DX,0386
* 145E:4BB8 7503 JNZ 4BBD
* 145E:4BBA BA8602 MOV DX,0286
* 145E:4BBD 89163004 MOV [0430],DX
* 145E:4BC1 5D POP BP
* 145E:4BC2 9D POPF
* 145E:4BC3 CB RETF
*
* This code is expecting SGDT on an 80286 to set the 6th "undefined" byte to 0xFF. So we use setWord()
* instead of setByte() and force the upper byte to 0xFF. TODO: Remove the 0xFF00 on post-80286 processors.
*/
this.setWord(this.regEA + 4, 0xFF00 | (this.addrGDT >> 16));
this.nStepCycles -= 11;
}
return dst;
@ -227,9 +262,17 @@ var X86Op0F = {
if (this.regEA < 0) {
X86Help.opInvalid.call(this);
} else {
this.setWord(this.regEA + 2, this.addrIDT);
this.setByte(this.regEA + 4, this.addrIDT >> 16);
/*
* We don't need to setWord() the first word of the operand, because the ModRM group decoder that calls
* us does that automatically with the value we return (dst).
*/
dst = this.addrIDTLimit - this.addrIDT;
this.setWord(this.regEA + 2, this.addrIDT);
/*
* As with SGDT, the 6th byte is technically "undefined" on an 80286, but given that SGDT now sets it to 0xFF,
* we mimic SGDT.
*/
this.setWord(this.regEA + 4, 0xFF00 | (this.addrIDT >> 16));
this.nStepCycles -= 12;
}
return dst;

56
versions/pcjs/1.15.5/pc-dbg.js
View file

@ -31,13 +31,13 @@ Xa.prototype={Mh:function(a){D(this.X,this.X.Hg)&&!a&&this.X.message("attempt to
null:this.ra},restore:function(a){return this.ia?null===a:this.Cm==a.length<<2?(this.ra=a,this.lb=!0):!1},Qe:function(a,b){a||(a=[]);void 0===b&&(b=!0);sb(this,a,b);tb(this,a,b)},Vd:function(a,b){b?0===this.tk++&&tb(this,ub):0===this.sk++&&sb(this,ub)}};function wb(a,b){b?0===--a.tk&&(a.Dc=a.oh?a.yf:a.Cg,a.lm=a.oh?a.yf:a.ak):0===--a.sk&&(a.sc=a.ug,a.Zl=a.Sj)}function Wa(a,b,c,d,e){a.S=b;a.X=c;a.Wd=d;a.sk=a.tk=0;a.X&&xb(a.X,d,e)}
function tb(a,b,c){a.Dc=b[2]&&!a.oh?b[2]:a.yf;a.lm=b[3]&&!a.oh?b[3]:a.yf;c&&(a.Cg=b[2]?b[2]:a.yf,a.ak=b[3]?b[3]:a.yf)}function sb(a,b,c){a.sc=b[0]?b[0]:a.Mh;a.Zl=b[1]?b[1]:a.Mh;c&&(a.ug=b[0]?b[0]:a.Mh,a.Sj=b[1]?b[1]:a.Mh)}var pb=[Xa.prototype.ip,Xa.prototype.kp,Xa.prototype.sp,Xa.prototype.up],ub=[Xa.prototype.jp,Xa.prototype.lp,Xa.prototype.tp,Xa.prototype.vp];
function yb(a,b){x.call(this,"CPU",a,yb);var c=a.multiplier||1;this.Hd=a.cycles||b;this.Gd=c;this.yh=Math.round(this.Hd/1E4)/100;this.He=this.yh*this.Gd;this.Ob=this.Nb=!1;this.xi=a.autoStart;c=Fa.autostart;void 0!==c&&(this.xi="true"==c?!0:"false"==c?!1:null);this.df=!1;this.eg=this.nf=0;this.gg=a.csStart;this.mf=a.csInterval;this.of=a.csStop;var d=this;this.mo=function(){d.Oe()};this.Ta()}y(x,yb);k=yb.prototype;
k.oc=function(a,b,c,d){this.na=b;this.X=d;this.Da=a;var e=C(a,"Video");e&&(this.si=function(){zb(e)},this.Md=function(){e.Md()});this.ka=C(a,"ChipSet");this.Ta()};k.reset=function(){};k.save=function(){return null};k.restore=function(){return!1};k.ac=function(a,b){if(!b){if(a&&this.restore){Ab(this);if(!this.restore(a))return!1;Bb(this)}else this.reset();this.X?this.X.On():this.ca("No debugger detected")}this.Nb=!0;!Cb(this)&&this.X&&Db(this.X);Eb(this);return!0};
k.Wb=function(a){this.Nb=!1;return a&&this.save?this.save():!0};function Cb(a){return!0===a.xi||null===a.xi&&!a.X&&void 0===a.sa.run?(a.Oe(),!0):!1}k.Md=function(){};k.Gk=function(){return 0};function Bb(a){void 0===a.gg&&(a.gg=0);void 0===a.mf&&(a.mf=-1);void 0===a.of&&(a.of=-1);a.df=0<=a.gg&&0<a.mf;a.df&&(a.eg=0,a.nf=a.gg-a.Le)}
k.oc=function(a,b,c,d){this.na=b;this.X=d;this.Da=a;var e=C(a,"Video");e&&(this.si=function(){zb(e)},this.Nd=function(){e.Nd()});this.ka=C(a,"ChipSet");this.Ta()};k.reset=function(){};k.save=function(){return null};k.restore=function(){return!1};k.ac=function(a,b){if(!b){if(a&&this.restore){Ab(this);if(!this.restore(a))return!1;Bb(this)}else this.reset();this.X?this.X.On():this.ca("No debugger detected")}this.Nb=!0;!Cb(this)&&this.X&&Db(this.X);Eb(this);return!0};
k.Wb=function(a){this.Nb=!1;return a&&this.save?this.save():!0};function Cb(a){return!0===a.xi||null===a.xi&&!a.X&&void 0===a.sa.run?(a.Oe(),!0):!1}k.Nd=function(){};k.Gk=function(){return 0};function Bb(a){void 0===a.gg&&(a.gg=0);void 0===a.mf&&(a.mf=-1);void 0===a.of&&(a.of=-1);a.df=0<=a.gg&&0<a.mf;a.df&&(a.eg=0,a.nf=a.gg-a.Le)}
function Fb(a,b){if(a.df){var c=!1;a.eg=a.eg+a.Gk()|0;a.nf-=b;0>=a.nf&&(a.nf+=a.mf,c=!0);0<=a.of&&a.of<=F(a)&&(a.mf=a.of=-1,Bb(a),a.Ab(),c=!0);c&&a.ca(F(a)+" cycles: checksum="+p(a.eg))}}function G(a,b,c,d){void 0!==a.sa[b]&&(void 0===d&&(d=4),void 0===c&&(Sa(a,"Register "+b+" is invalid"),a.Ab()),c=p(c,d),a.sa[b].innerHTML!=c&&(a.sa[b].innerHTML=c))}k.gh=function(){};k.si=function(){};
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P[104]=35;P[72]=61475;P[106]=36;P[74]=61476;P[107]=37;P[75]=61477;P[108]=38;P[76]=61478;P[59]=39;P[58]=61479;P[39]=40;P[34]=61480;P[96]=41;P[126]=61481;P[92]=43;P[124]=61483;P[122]=44;P[90]=61484;P[120]=45;P[88]=61485;P[99]=46;P[67]=61486;P[118]=47;P[86]=61487;P[98]=48;P[66]=61488;P[110]=49;P[78]=61489;P[109]=50;P[77]=61490;P[44]=51;P[60]=61491;P[46]=52;P[62]=61492;P[47]=53;P[63]=61493;P[8]=14;P[9]=15;P[13]=28;P[27]=1;P[240]=42;P[224]=54;P[241]=29;P[242]=56;P[244]=58;P[336]=59;P[337]=60;P[338]=61;
P[339]=62;P[340]=63;P[341]=64;P[342]=65;P[343]=66;P[344]=67;P[345]=68;P[261]=75;P[262]=72;P[263]=77;P[264]=80;P[254]=61766;P[255]=15921491;k=Xi.prototype;
k.xb=function(a,b,c,d){var e=this;a=b+"-"+c;if(void 0===this.sa[a])switch(c){case "kbd":return this.sa[a]=d,d.onkeydown=function(a){return $i(e,a,!0)},d.onkeypress=function(a){var b=!0;a=a||window.event;a=a.which||a.keyCode;8==a||9==a?b=!1:e.Ea&32?e.Ea&=-33:b=e.Ea&12?!1:!aj(e,a);return b},d.onkeyup=function(a){return $i(e,a,!1)},!0;default:if(void 0!==Zi[c]&&"button"==b)return this.sa[a]=d,d.onclick=function(a,b,c){return function(){a.S&&a.S.Md();return!aj(a,c)}}(this,c,Zi[c]),!0;if(void 0!==Yi[c])return this.sa[a]=
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k.Wb=function(a){return a&&this.save?this.save():!0};
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k.save=function(){var a=0,b=[];b[a++]=[this.uf,this.ih];if(!this.Ad&&!this.gf)for(var c=this.pb,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var f=0;f<c[d][e].length;f++){var g=c[d][e][f];if(g.Hc){for(var h=[],m=0,n=g.Zc,q=g.Zc+g.Hc;n<q;)h[m++]=g.data[n++];b[a++]=[d,e,f,g.Zc,h]}}return b};
k.save=function(){var a=0,b=[];b[a++]=[this.uf,this.ih];if(!this.Ad&&!this.gf)for(var c=this.pb,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var f=0;f<c[d][e].length;f++){var g=c[d][e][f];if(g&&g.Hc){for(var h=[],m=0,n=g.Zc,q=g.Zc+g.Hc;n<q;)h[m++]=g.data[n++];b[a++]=[d,e,f,g.Zc,h]}}return b};
k.restore=function(a){var b=0,c="unsupported restore format";if(this.pb.length&&a&&0<a.length){var d=0,e=a[d++];e&&2<=e.length&&e[1]!=this.ih&&(c="original checksum ("+e[1]+") differs from current checksum ("+this.ih+")",b=-1);for(;d<a.length&&0<=b;){var f=0,g=a[d++],h=g[f++],m=g[f++],n=g[f++];if(h>=this.pb.length||m>=this.pb[h].length||n>=this.pb[h][m].length){c="sector "+h+":"+m+":"+n+" out of range ("+b+" changes applied)";b=-1;break}if(this.gf){c="unable to modify write-protected disk";b=-1;break}e=
g[f++];f=g[f++];g=e+f.length;h=this.pb[h][m][n];for(m=h.data.length;m<e;)h.data[m++]=h.pattern;m=0;h.Zc=e;for(h.Hc=f.length;e<g;)h.data[e++]=f[m++];b++}}0>b&&this.Ga("unable to restore disk '"+this.Kd+": "+c);return b};k.Qa=function(a){this.X&&D(this.X,this.X.rm)&&this.X.message(a)};
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function uk(a){x.call(this,"FDC",a,uk);this.dmaRead=this.ti;this.dmaWrite=this.ui;this.dmaFormat=this.Dm;this.Me=null;if(a.autoMount&&(this.Me=a.autoMount,"string"==typeof this.Me))try{this.Me=eval("("+a.autoMount+")")}catch(b){w("FDC auto-mount error: "+b.message+" ("+a.autoMount+")"),this.Me=null}this.wc=[]}y(x,uk);l={};aa={};
var vk={3:{wd:3,be:0,name:aa.Mp},4:{wd:2,be:1,name:aa.Kp},5:{wd:9,be:7,name:aa.Vp},6:{wd:9,be:7,name:aa.Fp},7:{wd:2,be:0,name:aa.Hp},8:{wd:1,be:2,name:aa.Lp},10:{wd:2,be:7,name:aa.Gp},13:{wd:6,be:7,name:aa.Ap},15:{wd:3,be:0,name:aa.Jp}};k=uk.prototype;
k.xb=function(a,b,c,d){switch(c){case "listDisks":return this.sa[c]=d,a=window.document.createElement("option"),a.value="?",a.innerHTML="User-defined URL...",d.appendChild(a),d.onchange=function(a,b){return function(){var c=a.sa.descDisk;if(c){var d=b.options[b.selectedIndex];if(d){var m={};if(d=d.getAttribute("data-value"))try{m=eval("({"+d+"})")}catch(n){w("FDC option error: "+(n.message||n))}d=m.desc;void 0===d&&(d="");m=m.href;void 0!==m&&(d='<a href="'+m+'" target="_blank">'+d+"</a>");c.innerHTML=
@ -662,7 +662,7 @@ Ma:"state"},vm:{La:131072,Ma:"mouse"},pm:{La:262144,Ma:"computer"},qm:{La:524288
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k.oc=function(a,b,c){this.na=b;this.S=c;this.Da=a;this.Lm=C(a,"FDC");this.Hk=C(a,"HDC");this.Hf=Xk;80186<=this.S.Fa&&(this.Hf=Xk.slice(),this.Hf[15]=Z,80286<=this.S.Fa&&(this.Hf[15]=Wk));Cc(this.S,33,this,this.Sn);this.Ta();if(this.Vj){a=al(this,this.Vj);delete this.Vj;for(var d in a)bl(this,a[d])}};
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k.ba=function(a,b,c,d,e,f,g){f||(f=0);f|=Y.ek.La;if(null==d||(this.ec&f)==f)f=null,null!=d&&(f=this.S.ua.oa,d-=this.S.ua.Ua),this.message(a.uh+"."+(null!=c?"outPort":"inPort")+"(0x"+u(b)+","+(e?e:"unknown")+(null!=c?",0x"+r(c):"")+")"+(null!=g?": 0x"+r(g):"")+(null!=d?" at "+da(d,f):""))};k.message=function(a){this.ca(a);this.S&&(this.ec&Y.tm.La&&this.S.Ab(),a=this.S,a.pf=0,a.Oc-=a.A,a.A=0,a.gh())};k.Sn=function(a){D(this,this.sm)&&Ec(this,33,a);return!0};k.On=function(){this.ca("Type ? for list of debugger commands")};
@ -670,10 +670,10 @@ function Sk(a){var b;if(jd(a)){if(!a.Ud||!a.Ud.length){a.Ud=Array(1E4);for(b=0;b
k.xf=function(a,b,c){if(!cl(this))return!1;this.$c=0;do{a||jd(this)&&nd(this,this.S.Ba,!0);try{var d=this.S.xf(a);0<d&&(this.$c+=d,Ib(this.S,d,!0),Fb(this.S,d),this.bh++)}catch(e){this.$c=0,Sa(this.S,e.message||e)}}while(this.S.$&240);!1!==c&&Eb(this.S);Db(this,b||!1,!1);return 0<this.$c};k.Ab=function(){this.S.Ab()};function Db(a,b,c){void 0===b&&(b=!0);void 0===c&&(c=!0);a.Ec=[a.S.qa,a.S.ua.oa,void 0];b&&1!=a.mc?dl(a,null,c):el(a)}
function cl(a){a.S&&Ra(a.S)&&a.S.Nb&&!Qa(a.S)?(a=a.S,a.jd?(a.ca(a.toString()+" error"),a=!0):a=!1,a=!a):a=!1;return a}k.ac=function(a,b){return!b&&(this.reset(!0),this.ca(a?"resuming":"powering up"),a&&this.restore&&!this.restore(a))?!1:!0};k.Wb=function(a,b){b&&this.ca(a?"suspending":"shutting down");return a&&this.save?this.save():!0};k.reset=function(a){Sk(this);this.$c=this.bh=0;this.Ec=[this.S.qa,this.S.ua.oa,void 0];void 0===this.Ob||a||this.ca("reset");this.Ob=!1;fl(this);a||Db(this)};
k.save=function(){var a=new H(this);a.set(0,this.Ec);a.set(1,this.re);a.set(2,[this.Lh,this.cf,this.ec]);return a.data()};k.restore=function(a){var b=0;void 0!==a[2]&&(this.Ec=a[b++],this.re=a[b++],this.Lh=a[b][0],this.cf=a[b][1],this.ec||(this.ec=a[b][2]));return!0};k.start=function(a,b){this.mc||this.ca("running");this.Ob=!0;this.$n=a;this.eo=b};
k.stop=function(a,b){if(this.Ob){this.Ob=!1;this.$c=b-this.eo;if(!this.mc){var c="stopped";if(this.$c){var d=a-this.$n,e=0<d?Math.round(1E3*this.$c/d):0,c=c+" (";jd(this)&&(c+=this.bh+" ops, ");c+=this.$c+" cycles, "+d+" ms, "+e+" hz)"}this.ca(c)}Db(this,!0,2!=this.mc);this.Md();fl(this,this.S.Ba)}};function jd(a){return 1<a.vc.length||D(a,a.Gg)}
k.stop=function(a,b){if(this.Ob){this.Ob=!1;this.$c=b-this.eo;if(!this.mc){var c="stopped";if(this.$c){var d=a-this.$n,e=0<d?Math.round(1E3*this.$c/d):0,c=c+" (";jd(this)&&(c+=this.bh+" ops, ");c+=this.$c+" cycles, "+d+" ms, "+e+" hz)"}this.ca(c)}Db(this,!0,2!=this.mc);this.Nd();fl(this,this.S.Ba)}};function jd(a){return 1<a.vc.length||D(a,a.Gg)}
function nd(a,b,c){if(!c&&gl(a,b,a.vc))return!0;a.Rc.length&&(a.bh++,c=bb(a.na,b),a.Rc[c][1]++,c=a.Ud[a.kf],c[0]=a.S.qa,c[1]=a.S.ua.oa,c[2]=b,++a.kf==a.Ud.length&&(a.kf=0));return!1}function qb(a,b){return gl(a,b,a.Sd)?(a.S.Ab(!0),!0):!1}function rb(a,b){return gl(a,b,a.Qc)?(a.S.Ab(!0),!0):!1}function kb(a,b,c){a.ca("break on input from port "+u(b)+": "+r(c));a.S.Ab(!0)}function ob(a,b,c){a.ca("break on output to port "+u(b)+": "+r(c));a.S.Ab(!0)}
function hl(a,b){if(b==a.S.ua.oa)return a.S.ua;if(b==a.S.Eb.oa)return a.S.Eb;if(b==a.S.Za.oa)return a.S.Za;if(b==a.S.wb.oa)return a.S.wb;var c=new Nb(a.S);c.load(b,!0);return c}function il(a,b,c,d){var e=b[2];null==e&&(a=hl(a,b[1]),e=c?a.Yb(b[0],d||0,!0):a.Wc(b[0],d||0,!0));16711680==(e&16711680)&&(e&=1048575);return e}k.ub=function(a,b){var c=255,d=il(this,a,!1,0);0<=d&&(c=bb(this.na,d),void 0!==b&&jl(a,b));return c};
k.Ia=function(a,b){var c=65535,d=il(this,a,!1,1);0<=d&&(c=cb(this.na,d),void 0!==b&&jl(a,b));return c};k.bd=function(a,b,c){var d=il(this,a,!0,0);0<=d&&(db(this.na,d,b),void 0!==c&&jl(a,c),Eb(this.S))};k.Nd=function(a,b,c){var d=il(this,a,!0,1);0<=d&&(eb(this.na,d,b),void 0!==c&&jl(a,c),Eb(this.S))};function $(a){return null==a[1]?"%"+p(a[2]):da(a[0],a[1])}function jl(a,b){b=void 0===b?1:b;null!=a[2]&&(a[2]+=b);null!=a[1]&&(a[0]+=b,a[0]!=(a[0]&65535)&&(a[0]&=65535,a[2]=null))}
k.Ia=function(a,b){var c=65535,d=il(this,a,!1,1);0<=d&&(c=cb(this.na,d),void 0!==b&&jl(a,b));return c};k.Md=function(a,b,c){var d=il(this,a,!0,0);0<=d&&(db(this.na,d,b),void 0!==c&&jl(a,c),Eb(this.S))};k.bd=function(a,b,c){var d=il(this,a,!0,1);0<=d&&(eb(this.na,d,b),void 0!==c&&jl(a,c),Eb(this.S))};function $(a){return null==a[1]?"%"+p(a[2]):da(a[0],a[1])}function jl(a,b){b=void 0===b?1:b;null!=a[2]&&(a[2]+=b);null!=a[1]&&(a[0]+=b,a[0]!=(a[0]&65535)&&(a[0]&=65535,a[2]=null))}
function Rk(a){var b;a.vc=["exec"];if(void 0!==a.Sd)for(b=1;b<a.Sd.length;b++){var c=a.na,d=il(a,a.Sd[b]);wb(c.Aa[d>>c.rb],!1)}a.Sd=["read"];if(void 0!==a.Qc)for(b=1;b<a.Qc.length;b++)c=a.na,d=il(a,a.Qc[b]),wb(c.Aa[d>>c.rb],!0);a.Qc=["write"]}k.Vd=function(a,b,c){if(!kl(this,a,b)){b[2]=il(this,b);b[3]=c;a.push(b);if(a!=this.vc){var d=this.na,e=il(this,b);d.Aa[e>>d.rb].Vd(e&d.eb,a==this.Qc)}c||this.ca("breakpoint enabled: "+$(b)+" ("+a[0]+")");Sk(this);return!0}return!1};
function kl(a,b,c,d){var e=!1;c=il(a,c);for(var f=1;f<b.length;f++){var g=b[f];if(c==il(a,g)){e=!0;if(d){b.splice(f,1);b!=a.vc&&(d=a.na,wb(d.Aa[c>>d.rb],b==a.Qc));g[3]||a.ca("breakpoint cleared: "+$(g)+" ("+b[0]+")");Sk(a);break}a.ca("breakpoint exists: "+$(g)+" ("+b[0]+")");break}}return e}function ll(a,b){for(var c=1;c<b.length;c++)a.ca("breakpoint enabled: "+$(b[c])+" ("+b[0]+")");return b.length-1}
function xb(a,b,c,d){if(void 0===d)xb(a,b,c,a.Sd),xb(a,b,c,a.Qc);else for(var e=1;e<d.length;e++){var f=il(a,d[e]);if(f>=b&&f<b+c){var g=a.na;g.Aa[f>>g.rb].Vd(f&g.eb,d==a.Qc)}}}function fl(a,b){if(void 0!==b)gl(a,b,a.vc,!0),a.mc=0;else for(var c=1;c<a.vc.length;c++){var d=a.vc[c];if(d[3]){if(!kl(a,a.vc,d,!0))break;c=0}}}
@ -689,7 +689,7 @@ function Pi(a,b,c,d){function e(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0}var f=[],
function nl(a,b,c){for(var d=[],e=il(a,b),f=0;f<a.xc.length;f++){var g=a.xc[f][0],h=a.xc[f][1];if(e>=g&&e<g+h){b=ka(a.xc[f][3],[b[0]],function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0});0<=b?vl(a,f,b,d):c&&(b=~b,vl(a,f,b-1,d),vl(a,f,b,d));break}}return d}function vl(a,b,c,d){var e={},f=a.xc[b][3],g=0,h=null;0<=c&&c<f.length&&(g=f[c][0],h=f[c][1]);h&&(e=a.xc[b][2][h],h="."==h.charAt(0)?null:e.l||h);d.push(h);d.push(g);d.push(e.a);d.push(e.c)}
function wl(a,b){if("?"==b)a.ca("\nfrequency commands:"),a.ca("\tclear\tclear all frequency counts");else{var c,d=0;if(a.Rc)if("clear"==b){for(c=0;c<a.Rc.length;c++)a.Rc[c]=[c,0];a.ca("frequency data cleared");d++}else if(void 0!==b)a.ca("unknown frequency command: "+b),d++;else{var e=a.Rc.slice();e.sort(function(a,b){return b[1]-a[1]});for(c=0;c<e.length;c++){var f=e[c][0],g=e[c][1];g&&(a.ca((Uk[a.Hf[f][0]]+" ").substr(0,5)+" ("+r(f)+"): "+g+" times"),d++)}}d||a.ca("no frequency data available")}}
function xl(a,b){if("l"==b[0]&&void 0===b[1]||"?"==b[1])a.ca("\nlist/load commands:"),a.ca("\tl [address] [drive #] [sector #] [# sectors]"),a.ca("\tln [address] lists symbol(s) nearest to address");else{var c=[],d,e=0,f=0,g=!1;if("json"==b[1])g=!0;else if(d="ln"==b[0],c=tl(a,b[1],d?1:2),d){c=nl(a,c,!0);c.length?(c[0]&&a.ca(u(c[1])+": "+c[0]),4<c.length&&c[4]&&a.ca(u(c[5])+": "+c[4])):a.ca("no symbols");return}d=ul(a,b[2],"drive #");if(void 0!==d){if(!g){e=ul(a,b[3],"sector #");if(void 0===e)return;
f=ul(a,b[4],"# of sectors");void 0===f&&(f=1)}var h=a.Lm;2<=d&&a.Hk&&(d-=2,h=a.Hk);if(h){var m=h.wk(d);if(m)if(m.va)if(g)a.ca(sk(m.va));else if(h.hm(m,e,f)){for(var n=0,q=!1,e=$(c);!q&&0<m.Wa--;)(function(a,b){h.sc(m,function(c){0>c?(a.ca("out of data at address "+$(b)),q=!0):(a.bd(b,c,1),n++)})})(a,c);a.ca(n+" bytes read at "+e)}else a.ca("sector "+e+" request out of range");else a.ca("drive "+d+" not loaded");else a.ca("invalid drive: "+d)}else a.ca("disk controller not present")}}}
f=ul(a,b[4],"# of sectors");void 0===f&&(f=1)}var h=a.Lm;2<=d&&a.Hk&&(d-=2,h=a.Hk);if(h){var m=h.wk(d);if(m)if(m.va)if(g)a.ca(sk(m.va));else if(h.hm(m,e,f)){for(var n=0,q=!1,e=$(c);!q&&0<m.Wa--;)(function(a,b){h.sc(m,function(c){0>c?(a.ca("out of data at address "+$(b)),q=!0):(a.Md(b,c,1),n++)})})(a,c);a.ca(n+" bytes read at "+e)}else a.ca("sector "+e+" request out of range");else a.ca("drive "+d+" not loaded");else a.ca("invalid drive: "+d)}else a.ca("disk controller not present")}}}
function dl(a,b,c){if(b&&"?"==b[1])a.ca("\nregister commands:"),a.ca("\tr\t\tdisplay all registers"),a.ca("\tr [target=#]\tmodify target register"),a.ca("supported targets:"),a.ca("\tall registers and flags V,D,I,S,Z,A,P,C");else{var d=!0,e;if(null!=b&&1<b.length){var f=b[1];if("p"==f)e=void 0!==a.S.Sc;else{var d=!1,g=null,h=f.indexOf("=");if(0<h)g=f.substr(h+1),f=f.substr(0,h);else if(2<b.length)g=b[2];else{a.ca("missing value for "+b[1]);return}b=parseInt(g,16);if(isNaN(b)){a.ca("invalid value: "+
g);return}switch(f.toUpperCase()){case "AL":a.S.G=a.S.G&65280|b&255;break;case "AH":a.S.G=a.S.G&255|b<<8&255;break;case "AX":a.S.G=b&65535;break;case "BL":a.S.B=a.S.B&65280|b&255;break;case "BH":a.S.B=a.S.B&255|b<<8&255;break;case "BX":a.S.B=b&65535;break;case "CL":a.S.I=a.S.I&65280|b&255;break;case "CH":a.S.I=a.S.I&255|b<<8&255;break;case "CX":a.S.I=b&65535;break;case "DL":a.S.J=a.S.J&65280|b&255;break;case "DH":a.S.J=a.S.J&255|b<<8&255;break;case "DX":a.S.J=b&65535;break;case "SP":a.S.Y=b&65535;
break;case "BP":a.S.H=b&65535;break;case "SI":a.S.F=b&65535;break;case "DI":a.S.D=b&65535;break;case "DS":Oc(a.S,b);break;case "ES":Tc(a.S,b);break;case "SS":Pc(a.S,b);break;case "CS":d=!0;Nc(a.S,b);a.Ec=[a.S.qa,a.S.ua.oa,void 0];break;case "IP":d=!0;I(a.S,b);a.Ec=[a.S.qa,a.S.ua.oa,void 0];break;case "C":b?ed(a.S):$c(a.S);break;case "P":b?(f=a.S,Vc(f)||(f.ja^=1)):(f=a.S,Vc(f)&&(f.ja^=1));break;case "A":b?fd(a.S):ad(a.S);break;case "Z":b?gd(a.S):bd(a.S);break;case "S":b?hd(a.S):cd(a.S);break;case "I":b?
@ -698,17 +698,17 @@ break;case "BP":a.S.H=b&65535;break;case "SI":a.S.F=b&65535;break;case "DI":a.S.
function el(a,b,c,d){b=tl(a,b,1);if(null!=b[0]){void 0===d&&(d=1);var e=[65535,b[1],a.na.ve];if(void 0!==c){e=tl(a,c,1);if(null==e[0]||e[0]<b[0])return;if(256<e[0]-b[0]){a.ca("range too large");return}e[0]++;d=-1}for(c=b[0]!=a.Ec[0];d--&&(null!=b[1]?b[0]<e[0]:b[2]<e[2]);){var f=a.ub(b),g=Qa(a,!1)||a.mc?a.$c:null;if(38==f||46==f||54==f||62==f||240==f||242==f||243==f)g=null,d||d++;var f=null!=g?"cycles":null,h=nl(a,b);if(h[0]){var m=h[0]+":";c=!1;h[2]&&(m+=" "+h[2]);a.ca(m)}c&&a.ca();h[3]&&(f=h[3],
g=null);c=ml(a,b,f,g);a.ca(c);a.Ec=b;c=!1}}}function al(a,b,c){c&&(b?a.Lh=b:b=a.Lh);a=b?b.split(0<=b.indexOf("|")?"|":";"):[""];for(var d in a)a[d]=ja(a[d]);return a}
function bl(a,b){!b.length&&a.cf&&(a.ca("ended assemble @"+$(a.re)),a.Ec=a.re,a.cf=!1);b=b.toLowerCase();if(Ra(a)&&!Qa(a,!0)&&0<b.length){if(a.cf)b="a "+$(a.re)+" "+b;else{var c,d,e;switch(b){case "reset":a.Da&&a.Da.reset();return;default:for(d=b.charAt(0),e=1;e<b.length;e++){c=b.charAt(e);if(" "==c)break;if("r"==d||"a">c||"z"<c){b=b.substring(0,e)+" "+b.substring(e);break}}}}c=b.split(" ");switch(c[0].charAt(0)){case "a":var f=tl(a,c[1],1);if(null!=f[0])if(a.re=f,void 0===c[2])a.ca("begin assemble @"+
$(f)),a.cf=!0,Eb(a.S);else if(a.ca("not supported yet"),c=[],c.length){for(var g=0;g<c.length;g++)a.bd(f,c[g],1);a.ca(ml(a,a.re))}break;case "b":a:if(f=c[1],(c=c[0].charAt(1))&&"?"!=c)if("l"==c)f=0+ll(a,a.vc),f+=ll(a,a.Sd),(f+=ll(a,a.Qc))||a.ca("no breakpoints");else if(void 0===f)a.ca("missing breakpoint address");else{g=[];if("*"!=f&&(g=tl(a,f,1),null==g[0]))break a;f=null==g[0]?f:u(g[0]);"c"==c?null==g[0]?(Rk(a),a.ca("all breakpoints cleared")):kl(a,a.vc,g,!0)||kl(a,a.Sd,g,!0)||kl(a,a.Qc,g,!0)||
$(f)),a.cf=!0,Eb(a.S);else if(a.ca("not supported yet"),c=[],c.length){for(var g=0;g<c.length;g++)a.Md(f,c[g],1);a.ca(ml(a,a.re))}break;case "b":a:if(f=c[1],(c=c[0].charAt(1))&&"?"!=c)if("l"==c)f=0+ll(a,a.vc),f+=ll(a,a.Sd),(f+=ll(a,a.Qc))||a.ca("no breakpoints");else if(void 0===f)a.ca("missing breakpoint address");else{g=[];if("*"!=f&&(g=tl(a,f,1),null==g[0]))break a;f=null==g[0]?f:u(g[0]);"c"==c?null==g[0]?(Rk(a),a.ca("all breakpoints cleared")):kl(a,a.vc,g,!0)||kl(a,a.Sd,g,!0)||kl(a,a.Qc,g,!0)||
a.ca("breakpoint missing: "+$(g)):"i"==c?a.ca("breakpoint "+(hb(a.na,g[0])?"enabled":"cleared")+": port "+f+" (input)"):"o"==c?a.ca("breakpoint "+(lb(a.na,g[0])?"enabled":"cleared")+": port "+f+" (output)"):null!=g[0]&&("p"==c?a.Vd(a.vc,g):"r"==c?a.Vd(a.Sd,g):"w"==c?a.Vd(a.Qc,g):a.ca("unknown breakpoint command: "+c))}else a.ca("\nbreakpoint commands:"),a.ca("\tbi [p]\ttoggle break on input port [p]"),a.ca("\tbo [p]\ttoggle break on output port [p]"),a.ca("\tbp [a]\tset exec breakpoint at addr [a]"),
a.ca("\tbr [a]\tset read breakpoint at addr [a]"),a.ca("\tbw [a]\tset write breakpoint at addr [a]"),a.ca("\tbc [a]\tclear breakpoint at addr [a]"),a.ca("\tbl\tlist all breakpoints");break;case "c":a.Vf&&(a.Vf.value="");break;case "d":a:{var h=c[0],g=c[1],m=c[2],n;if("?"==g){f="symbols";for(n in Y)a.ei[n]&&(f.length&&(f+=","),f+=Y[n].Ma);f+=",state";a.ca("\ndump commands:");a.ca("\tdb [a] [#] dump bytes at address a");a.ca("\tdw [a] [#] dump words at address a");a.ca("\tds [s] dump descriptor for selector s");
f.length&&a.ca("dumps are also available for: "+f)}else if("state"==g)a.ca(zl(a.Da,!0));else if("symbols"==g)for(c=0;c<a.xc.length;c++)for(f in g=a.xc[c][0],h=a.xc[c][2],h)"."!=f.charAt(0)&&(m=h[f],n=m.o,void 0!==n&&(m=m.s,void 0===m&&(m=g>>>4),(d=h[f].l)&&(f=d),a.ca(da(n,m)+" "+f)));else{for(n in Y)if(g==Y[n].Ma){(f=a.ei[n])?f(m):a.ca("no dump registered for "+g);break a}f=tl(a,g,2);if(null!=f[0])if("ds"==h)if(c=hl(a,f[0]),null!=c.oa){f="selector="+u(f[0])+" limit="+u(c.Nc)+" base="+p(c.Ua);if(c.ab){f+=
" access="+u(c.ab);if(c.ab&4096)c.ab&2048?(f=f+"code:"+(c.ab&512?"readable,":"execonly,"),f+=c.ab&1024?"conforming,":"nonconforming,"):(f+="data:",f+=c.ab&512?"writeable,":"readonly,",f+=c.ab&1024?"expand down,":"expand up,"),f+=c.ab&256?"accessed":"not accessed";else switch(f+="type:",c.ab&7936){case 256:f+="tss";break;case 512:f+="ldt";break;case 768:f+="tss(busy)";break;case 1024:f+="call";break;case 1280:f+="task";break;case 1536:f+="int";break;case 1792:f+="trap";break;default:f+="unknown"}f+=
",dpl"+(c.ab>>13&24576);f+=c.ab&32768?",present":",not present"}a.ca(f)}else a.ca("invalid selector: "+u(f[0]));else{c=0;void 0!==m&&("l"==m.charAt(0)&&(m=m.substr(1)),c=parseInt(m,10));n="";c||(c=8);for(m=0;m<c;m++){e=d="";for(var g=$(f),q=0,t=0;16>t;t++){var s=a.ub(f,1);"dw"==h?t&1&&(d+=u(q|s<<8)+(7==t?" - ":" ")):d+=r(s)+(7==t?"-":" ");e+=32<=s&&128>s?String.fromCharCode(s):".";q=s}n&&(n+="\n");n+=g+" "+d+" "+e}n&&a.ca(n);a.hk=f}}}break;case "e":f=c[1];if(void 0===f)a.ca("missing address");else if(f=
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@ -549,9 +549,9 @@ g.Hm=function(a,b,c,d){a=d[0];b=d[1];var e=d[2],f=d[3];d=d[4];this.Ah=!1;if(0<=a
g.seek=function(a,b,c,d,e){var f=null,l=this.Oa,k=this.gb[a];if(k){var m=k[b];if(!m&&l.Te&&b<l.Jb)for(m=k[b]=Array(l.od),k=0;k<m.length;k++)m[k]=oj(null,a,b,k+1,l.$a,0);if(m){for(k=0;k<m.length;k++)if(m[k]&&m[k].sector==c){f=m[k];if(null===f.pattern)if(d)f.pattern=0;else if(e){for(d=1;++k<m.length;)null===m[k].pattern&&d++;pj(this,a,b,c,d,function(a,b){a&&(f=null);e(f,b)});return null}break}!f&&l.Te&&9==l.Ka&&(f=m[k]=oj(null,a,b,l.Ka,l.$a,0))}}e&&e(f,!1);return f};
g.fill=function(a,b,c){for(var d=a.length>>2,e=Array(d),f=0;f<d;f++)e[f]=b[c]|b[c+1]<<8|b[c+2]<<16|b[c+3]<<24,c+=4;a.data=e};function sj(a){var b=a.length,c=Array(b),d=0,b=b>>2,e=a.data;a=a.pattern;for(var f=0;f<b;f++){var l=f<e.length?e[f]:a;c[d++]=l&255;c[d++]=l>>8&255;c[d++]=l>>16&255;c[d++]=l>>24&255}return c}function tj(a,b){var c=-1;if(b<a.length)var c=a.data,d=b>>2,c=(d<c.length?c[d]:a.pattern)>>((b&3)<<3)&255;return c}
g.write=function(a,b,c){if(this.te)return!1;if(b<a.length){if(c!=tj(a,b)){var d=a.data,e=a.pattern,f=b>>2;b=(b&3)<<3;for(var l=d.length;l<=f;l++)d[l]=e;a.oc?f<a.Fc?(a.oc+=a.Fc-f,a.Fc=f):f>=a.Fc+a.oc&&(a.oc+=f-(a.Fc+a.oc)+1):(a.Fc=f,a.oc=1);d[f]=d[f]&~(255<<b)|c<<b;this.Zc&&qj(this,a,!0)}return!0}return null};
g.save=function(){var a=0,b=[];b[a++]=[this.De,this.dg];if(!this.Zc&&!this.te)for(var c=this.gb,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var f=0;f<c[d][e].length;f++){var l=c[d][e][f];if(l.oc){for(var k=[],m=0,n=l.Fc,q=l.Fc+l.oc;n<q;)k[m++]=l.data[n++];b[a++]=[d,e,f,l.Fc,k]}}return b};
g.save=function(){var a=0,b=[];b[a++]=[this.De,this.dg];if(!this.Zc&&!this.te)for(var c=this.gb,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var f=0;f<c[d][e].length;f++){var l=c[d][e][f];if(l&&l.oc){for(var k=[],m=0,n=l.Fc,q=l.Fc+l.oc;n<q;)k[m++]=l.data[n++];b[a++]=[d,e,f,l.Fc,k]}}return b};
g.restore=function(a){var b=0,c="unsupported restore format";if(this.gb.length&&a&&0<a.length){var d=0,e=a[d++];e&&2<=e.length&&e[1]!=this.dg&&(c="original checksum ("+e[1]+") differs from current checksum ("+this.dg+")",b=-1);for(;d<a.length&&0<=b;){var f=0,l=a[d++],k=l[f++],m=l[f++],n=l[f++];if(k>=this.gb.length||m>=this.gb[k].length||n>=this.gb[k][m].length){c="sector "+k+":"+m+":"+n+" out of range ("+b+" changes applied)";b=-1;break}if(this.te){c="unable to modify write-protected disk";b=-1;break}e=
l[f++];f=l[f++];l=e+f.length;k=this.gb[k][m][n];for(m=k.data.length;m<e;)k.data[m++]=k.pattern;m=0;k.Fc=e;for(k.oc=f.length;e<l;)k.data[e++]=f[m++];b++}}0>b&&this.xa("unable to restore disk '"+this.fd+": "+c);return b};
l[f++];f=l[f++];l=e+f.length;if(k=this.gb[k][m][n]){for(m=k.data.length;m<e;)k.data[m++]=k.pattern;m=0;k.Fc=e;for(k.oc=f.length;e<l;)k.data[e++]=f[m++];b++}}}0>b&&this.xa("unable to restore disk '"+this.fd+": "+c);return b};
function uj(a){w.call(this,"FDC",a,uj);this.dmaRead=this.nh;this.dmaWrite=this.oh;this.dmaFormat=this.gl;this.de=null;if(a.autoMount&&(this.de=a.autoMount,"string"==typeof this.de))try{this.de=eval("("+a.autoMount+")")}catch(b){u("FDC auto-mount error: "+b.message+" ("+a.autoMount+")"),this.de=null}this.ec=[]}z(w,uj);h={};ca={};
var vj={3:{Uc:3,qd:0,name:ca.io},4:{Uc:2,qd:1,name:ca.fo},5:{Uc:9,qd:7,name:ca.ro},6:{Uc:9,qd:7,name:ca.$n},7:{Uc:2,qd:0,name:ca.bo},8:{Uc:1,qd:2,name:ca.ho},10:{Uc:2,qd:7,name:ca.ao},13:{Uc:6,qd:7,name:ca.Un},15:{Uc:3,qd:0,name:ca.eo}};g=uj.prototype;
g.vb=function(a,b,c,d){switch(c){case "listDisks":return this.oa[c]=d,a=window.document.createElement("option"),a.value="?",a.innerHTML="User-defined URL...",d.appendChild(a),d.onchange=function(a,b){return function(){var c=a.oa.descDisk;if(c){var d=b.options[b.selectedIndex];if(d){var m={};if(d=d.getAttribute("data-value"))try{m=eval("({"+d+"})")}catch(n){u("FDC option error: "+(n.message||n))}d=m.desc;void 0===d&&(d="");m=m.href;void 0!==m&&(d='<a href="'+m+'" target="_blank">'+d+"</a>");c.innerHTML=