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Dynamically switch getWord/setWord based on current dataSize

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This commit is contained in:
Jeff Parsons 2015-01-26 17:29:19 -08:00 • committed by jeffpar
commit 84572178c5
14 changed files with 1966 additions and 1958 deletions
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176
modules/pcjs/lib/x86opxx.js
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@ -105,7 +105,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opADDAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpADDw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpADDw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -185,7 +185,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opORAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpORw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpORw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -273,7 +273,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opADCAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpADCw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpADCw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -353,7 +353,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opSBBAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpSBBw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpSBBw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -433,7 +433,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opANDAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpANDw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpANDw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -532,7 +532,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opSUBAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpSUBw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpSUBw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -631,7 +631,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opXORAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | X86Grps.opGrpXORw.call(this, this.regEAX & this.opMask, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | X86Grps.opGrpXORw.call(this, this.regEAX & this.dataMask, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -729,7 +729,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opCMPAXw: function() {
X86Grps.opGrpCMPw.call(this, this.regEAX & this.opMask, this.getIPWord());
X86Grps.opGrpCMPw.call(this, this.regEAX & this.dataMask, this.getIPWord());
/*
* In the absence of any EA calculations, opGrpCMPw() will deduct nOpCyclesArithRR, and for all CPUs through
* the 80286, we need deduct only one more cycle.
@ -787,7 +787,7 @@ var X86OpXX = {
*/
opINCAX: function() {
this.resultAuxOverflow = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.resultParitySign = this.regEAX + 1) & this.opMask;
this.regEAX = (this.regEAX & ~this.dataMask) | (this.resultParitySign = this.regEAX + 1) & this.dataMask;
this.resultValue = this.regEAX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -799,7 +799,7 @@ var X86OpXX = {
*/
opINCCX: function() {
this.resultAuxOverflow = this.regECX;
this.regECX = (this.regECX & ~this.opMask) | (this.resultParitySign = this.regECX + 1) & this.opMask;
this.regECX = (this.regECX & ~this.dataMask) | (this.resultParitySign = this.regECX + 1) & this.dataMask;
this.resultValue = this.regECX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -811,7 +811,7 @@ var X86OpXX = {
*/
opINCDX: function() {
this.resultAuxOverflow = this.regEDX;
this.regEDX = (this.regEDX & ~this.opMask) | (this.resultParitySign = this.regEDX + 1) & this.opMask;
this.regEDX = (this.regEDX & ~this.dataMask) | (this.resultParitySign = this.regEDX + 1) & this.dataMask;
this.resultValue = this.regEDX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -823,7 +823,7 @@ var X86OpXX = {
*/
opINCBX: function() {
this.resultAuxOverflow = this.regEBX;
this.regEBX = (this.regEBX & ~this.opMask) | (this.resultParitySign = this.regEBX + 1) & this.opMask;
this.regEBX = (this.regEBX & ~this.dataMask) | (this.resultParitySign = this.regEBX + 1) & this.dataMask;
this.resultValue = this.regEBX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -835,7 +835,7 @@ var X86OpXX = {
*/
opINCSP: function() {
this.resultAuxOverflow = this.regESP;
this.regESP = (this.regESP & ~this.opMask) | (this.resultParitySign = this.regESP + 1) & this.opMask;
this.regESP = (this.regESP & ~this.dataMask) | (this.resultParitySign = this.regESP + 1) & this.dataMask;
this.resultValue = this.regESP | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -847,7 +847,7 @@ var X86OpXX = {
*/
opINCBP: function() {
this.resultAuxOverflow = this.regEBP;
this.regEBP = (this.regEBP & ~this.opMask) | (this.resultParitySign = this.regEBP + 1) & this.opMask;
this.regEBP = (this.regEBP & ~this.dataMask) | (this.resultParitySign = this.regEBP + 1) & this.dataMask;
this.resultValue = this.regEBP | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -859,7 +859,7 @@ var X86OpXX = {
*/
opINCSI: function() {
this.resultAuxOverflow = this.regESI;
this.regESI = (this.regESI & ~this.opMask) | (this.resultParitySign = this.regESI + 1) & this.opMask;
this.regESI = (this.regESI & ~this.dataMask) | (this.resultParitySign = this.regESI + 1) & this.dataMask;
this.resultValue = this.regESI | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -871,7 +871,7 @@ var X86OpXX = {
*/
opINCDI: function() {
this.resultAuxOverflow = this.regEDI;
this.regEDI = (this.regEDI & ~this.opMask) | (this.resultParitySign = this.regEDI + 1) & this.opMask;
this.regEDI = (this.regEDI & ~this.dataMask) | (this.resultParitySign = this.regEDI + 1) & this.dataMask;
this.resultValue = this.regEDI | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of INC takes 2 cycles on all CPUs
@ -883,7 +883,7 @@ var X86OpXX = {
*/
opDECAX: function() {
this.resultAuxOverflow = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.resultParitySign = this.regEAX - 1) & this.opMask;
this.regEAX = (this.regEAX & ~this.dataMask) | (this.resultParitySign = this.regEAX - 1) & this.dataMask;
this.resultValue = this.regEAX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -895,7 +895,7 @@ var X86OpXX = {
*/
opDECCX: function() {
this.resultAuxOverflow = this.regECX;
this.regECX = (this.regECX & ~this.opMask) | (this.resultParitySign = this.regECX - 1) & this.opMask;
this.regECX = (this.regECX & ~this.dataMask) | (this.resultParitySign = this.regECX - 1) & this.dataMask;
this.resultValue = this.regECX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -907,7 +907,7 @@ var X86OpXX = {
*/
opDECDX: function() {
this.resultAuxOverflow = this.regEDX;
this.regEDX = (this.regEDX & ~this.opMask) | (this.resultParitySign = this.regEDX - 1) & this.opMask;
this.regEDX = (this.regEDX & ~this.dataMask) | (this.resultParitySign = this.regEDX - 1) & this.dataMask;
this.resultValue = this.regEDX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -919,7 +919,7 @@ var X86OpXX = {
*/
opDECBX: function() {
this.resultAuxOverflow = this.regEBX;
this.regEBX = (this.regEBX & ~this.opMask) | (this.resultParitySign = this.regEBX - 1) & this.opMask;
this.regEBX = (this.regEBX & ~this.dataMask) | (this.resultParitySign = this.regEBX - 1) & this.dataMask;
this.resultValue = this.regEBX | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -931,7 +931,7 @@ var X86OpXX = {
*/
opDECSP: function() {
this.resultAuxOverflow = this.regESP;
this.regESP = (this.regESP & ~this.opMask) | (this.resultParitySign = this.regESP - 1) & this.opMask;
this.regESP = (this.regESP & ~this.dataMask) | (this.resultParitySign = this.regESP - 1) & this.dataMask;
this.resultValue = this.regESP | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -943,7 +943,7 @@ var X86OpXX = {
*/
opDECBP: function() {
this.resultAuxOverflow = this.regEBP;
this.regEBP = (this.regEBP & ~this.opMask) | (this.resultParitySign = this.regEBP - 1) & this.opMask;
this.regEBP = (this.regEBP & ~this.dataMask) | (this.resultParitySign = this.regEBP - 1) & this.dataMask;
this.resultValue = this.regEBP | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -955,7 +955,7 @@ var X86OpXX = {
*/
opDECSI: function() {
this.resultAuxOverflow = this.regESI;
this.regESI = (this.regESI & ~this.opMask) | (this.resultParitySign = this.regESI - 1) & this.opMask;
this.regESI = (this.regESI & ~this.dataMask) | (this.resultParitySign = this.regESI - 1) & this.dataMask;
this.resultValue = this.regESI | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -967,7 +967,7 @@ var X86OpXX = {
*/
opDECDI: function() {
this.resultAuxOverflow = this.regEDI;
this.regEDI = (this.regEDI & ~this.opMask) | (this.resultParitySign = this.regEDI - 1) & this.opMask;
this.regEDI = (this.regEDI & ~this.dataMask) | (this.resultParitySign = this.regEDI - 1) & this.dataMask;
this.resultValue = this.regEDI | (((this.resultValue & this.resultSize)? 1 : 0) << 16);
this.resultSize = X86.RESULT.SIZE_WORD;
this.nStepCycles -= 2; // this form of DEC takes 2 cycles on all CPUs
@ -981,7 +981,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiAL; this.backTrack.btiMemHi = this.backTrack.btiAH;
}
this.pushWord(this.regEAX & this.opMask);
this.pushWord(this.regEAX & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -993,7 +993,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiCL; this.backTrack.btiMemHi = this.backTrack.btiCH;
}
this.pushWord(this.regECX & this.opMask);
this.pushWord(this.regECX & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1005,7 +1005,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiDL; this.backTrack.btiMemHi = this.backTrack.btiDH;
}
this.pushWord(this.regEDX & this.opMask);
this.pushWord(this.regEDX & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1017,7 +1017,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiBL; this.backTrack.btiMemHi = this.backTrack.btiBH;
}
this.pushWord(this.regEBX & this.opMask);
this.pushWord(this.regEBX & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1026,7 +1026,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPUSHSP8086: function() {
var w = (this.regESP - (2 << this.opSize)) & this.opMask;
var w = (this.regESP - (2 << this.dataSize)) & this.dataMask;
this.pushWord(w);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
@ -1036,7 +1036,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPUSHSP: function() {
this.pushWord(this.regESP & this.opMask);
this.pushWord(this.regESP & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1048,7 +1048,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiBPLo; this.backTrack.btiMemHi = this.backTrack.btiBPHi;
}
this.pushWord(this.regEBP & this.opMask);
this.pushWord(this.regEBP & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1060,7 +1060,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiSILo; this.backTrack.btiMemHi = this.backTrack.btiSIHi;
}
this.pushWord(this.regESI & this.opMask);
this.pushWord(this.regESI & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1072,7 +1072,7 @@ var X86OpXX = {
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiDILo; this.backTrack.btiMemHi = this.backTrack.btiDIHi;
}
this.pushWord(this.regEDI & this.opMask);
this.pushWord(this.regEDI & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushReg;
},
/**
@ -1081,7 +1081,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPAX: function() {
this.regEAX = (this.regEAX & ~this.opMask) | this.popWord();
this.regEAX = (this.regEAX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -1093,7 +1093,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPCX: function() {
this.regECX = (this.regECX & ~this.opMask) | this.popWord();
this.regECX = (this.regECX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiCL = this.backTrack.btiMemLo; this.backTrack.btiCH = this.backTrack.btiMemHi;
}
@ -1105,7 +1105,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPDX: function() {
this.regEDX = (this.regEDX & ~this.opMask) | this.popWord();
this.regEDX = (this.regEDX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiDL = this.backTrack.btiMemLo; this.backTrack.btiDH = this.backTrack.btiMemHi;
}
@ -1117,7 +1117,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPBX: function() {
this.regEBX = (this.regEBX & ~this.opMask) | this.popWord();
this.regEBX = (this.regEBX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiBL = this.backTrack.btiMemLo; this.backTrack.btiBH = this.backTrack.btiMemHi;
}
@ -1129,7 +1129,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPSP: function() {
this.regESP = (this.regESP & ~this.opMask) | this.popWord();
this.regESP = (this.regESP & ~this.dataMask) | this.popWord();
this.nStepCycles -= this.CYCLES.nOpCyclesPopReg;
},
/**
@ -1138,7 +1138,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPBP: function() {
this.regEBP = (this.regEBP & ~this.opMask) | this.popWord();
this.regEBP = (this.regEBP & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiBPLo = this.backTrack.btiMemLo; this.backTrack.btiBPHi = this.backTrack.btiMemHi;
}
@ -1150,7 +1150,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPSI: function() {
this.regESI = (this.regESI & ~this.opMask) | this.popWord();
this.regESI = (this.regESI & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiSILo = this.backTrack.btiMemLo; this.backTrack.btiSIHi = this.backTrack.btiMemHi;
}
@ -1162,7 +1162,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPDI: function() {
this.regEDI = (this.regEDI & ~this.opMask) | this.popWord();
this.regEDI = (this.regEDI & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiDILo = this.backTrack.btiMemLo; this.backTrack.btiDIHi = this.backTrack.btiMemHi;
}
@ -1174,36 +1174,36 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPUSHA: function() {
var temp = this.regESP & this.opMask;
var temp = this.regESP & this.dataMask;
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiAL; this.backTrack.btiMemHi = this.backTrack.btiAH;
}
this.pushWord(this.regEAX & this.opMask);
this.pushWord(this.regEAX & this.dataMask);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiCL; this.backTrack.btiMemHi = this.backTrack.btiCH;
}
this.pushWord(this.regECX & this.opMask);
this.pushWord(this.regECX & this.dataMask);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiDL; this.backTrack.btiMemHi = this.backTrack.btiDH;
}
this.pushWord(this.regEDX & this.opMask);
this.pushWord(this.regEDX & this.dataMask);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiBL; this.backTrack.btiMemHi = this.backTrack.btiBH;
}
this.pushWord(this.regEBX & this.opMask);
this.pushWord(this.regEBX & this.dataMask);
this.pushWord(temp);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiBPLo; this.backTrack.btiMemHi = this.backTrack.btiBPHi;
}
this.pushWord(this.regEBP & this.opMask);
this.pushWord(this.regEBP & this.dataMask);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiSILo; this.backTrack.btiMemHi = this.backTrack.btiSIHi;
}
this.pushWord(this.regESI & this.opMask);
this.pushWord(this.regESI & this.dataMask);
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiDILo; this.backTrack.btiMemHi = this.backTrack.btiDIHi;
}
this.pushWord(this.regEDI & this.opMask);
this.pushWord(this.regEDI & this.dataMask);
this.nStepCycles -= this.CYCLES.nOpCyclesPushAll;
},
/**
@ -1212,32 +1212,32 @@ var X86OpXX = {
* @this {X86CPU}
*/
opPOPA: function() {
this.regEDI = (this.regEDI & ~this.opMask) | this.popWord();
this.regEDI = (this.regEDI & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiDILo = this.backTrack.btiMemLo; this.backTrack.btiDIHi = this.backTrack.btiMemHi;
}
this.regESI = (this.regESI & ~this.opMask) | this.popWord();
this.regESI = (this.regESI & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiSILo = this.backTrack.btiMemLo; this.backTrack.btiSIHi = this.backTrack.btiMemHi;
}
this.regEBP = (this.regEBP & ~this.opMask) | this.popWord();
this.regEBP = (this.regEBP & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiBPLo = this.backTrack.btiMemLo; this.backTrack.btiBPHi = this.backTrack.btiMemHi;
}
this.regESP += (2 << this.opSize);
this.regEBX = (this.regEBX & ~this.opMask) | this.popWord();
this.regESP += (2 << this.dataSize);
this.regEBX = (this.regEBX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiBL = this.backTrack.btiMemLo; this.backTrack.btiBH = this.backTrack.btiMemHi;
}
this.regEDX = (this.regEDX & ~this.opMask) | this.popWord();
this.regEDX = (this.regEDX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiDL = this.backTrack.btiMemLo; this.backTrack.btiDH = this.backTrack.btiMemHi;
}
this.regECX = (this.regECX & ~this.opMask) | this.popWord();
this.regECX = (this.regECX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiCL = this.backTrack.btiMemLo; this.backTrack.btiCH = this.backTrack.btiMemHi;
}
this.regEAX = (this.regEAX & ~this.opMask) | this.popWord();
this.regEAX = (this.regEAX & ~this.dataMask) | this.popWord();
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -1268,9 +1268,9 @@ var X86OpXX = {
*/
opOS: function() {
this.opFlags |= X86.OPFLAG.SEG;
this.opSize ^= 1; // that which is 0 shall become 1, and vice versa
this.opMask ^= 0xffff0000; // that which is 0x0000ffff shall become 0xffffffff, and vice versa
this.opMem = this.aaOpMem[this.opSize];
this.dataSize ^= 1; // that which is 0 shall become 1, and vice versa
this.dataMask ^= 0xffff0000; // that which is 0x0000ffff shall become 0xffffffff, and vice versa
this.opMem = this.aaOpMem[this.dataSize];
this.nStepCycles -= this.CYCLES.nOpCyclesPrefix;
},
/**
@ -2019,8 +2019,8 @@ var X86OpXX = {
*/
opXCHGCX: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regECX & this.opMask);
this.regECX = (this.regECX & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regECX & this.dataMask);
this.regECX = (this.regECX & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiCL; this.backTrack.btiCL = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiCH; this.backTrack.btiCH = temp;
@ -2034,8 +2034,8 @@ var X86OpXX = {
*/
opXCHGDX: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regEDX & this.opMask);
this.regEDX = (this.regEDX & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regEDX & this.dataMask);
this.regEDX = (this.regEDX & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiDL; this.backTrack.btiDL = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiDH; this.backTrack.btiDH = temp;
@ -2049,8 +2049,8 @@ var X86OpXX = {
*/
opXCHGBX: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regEBX & this.opMask);
this.regEBX = (this.regEBX & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regEBX & this.dataMask);
this.regEBX = (this.regEBX & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiBL; this.backTrack.btiBL = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiBH; this.backTrack.btiBH = temp;
@ -2064,8 +2064,8 @@ var X86OpXX = {
*/
opXCHGSP: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regESP & this.opMask);
this.regESP = (this.regESP & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regESP & this.dataMask);
this.regESP = (this.regESP & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) this.backTrack.btiAL = this.backTrack.btiAH = 0;
this.nStepCycles -= 3; // this form of XCHG takes 3 cycles on all CPUs
},
@ -2076,8 +2076,8 @@ var X86OpXX = {
*/
opXCHGBP: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regEBP & this.opMask);
this.regEBP = (this.regEBP & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regEBP & this.dataMask);
this.regEBP = (this.regEBP & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiBPLo; this.backTrack.btiBPLo = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiBPHi; this.backTrack.btiBPHi = temp;
@ -2091,8 +2091,8 @@ var X86OpXX = {
*/
opXCHGSI: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regESI & this.opMask);
this.regESI = (this.regESI & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regESI & this.dataMask);
this.regESI = (this.regESI & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiSILo; this.backTrack.btiSILo = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiSIHi; this.backTrack.btiSIHi = temp;
@ -2106,8 +2106,8 @@ var X86OpXX = {
*/
opXCHGDI: function() {
var temp = this.regEAX;
this.regEAX = (this.regEAX & ~this.opMask) | (this.regEDI & this.opMask);
this.regEDI = (this.regEDI & ~this.opMask) | (temp & this.opMask);
this.regEAX = (this.regEAX & ~this.dataMask) | (this.regEDI & this.dataMask);
this.regEDI = (this.regEDI & ~this.dataMask) | (temp & this.dataMask);
if (BACKTRACK) {
temp = this.backTrack.btiAL; this.backTrack.btiAL = this.backTrack.btiDILo; this.backTrack.btiDILo = temp;
temp = this.backTrack.btiAH; this.backTrack.btiAH = this.backTrack.btiDIHi; this.backTrack.btiDIHi = temp;
@ -2123,7 +2123,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opCBW: function() {
if (!this.opSize) {
if (!this.dataSize) {
/*
* CBW
*/
@ -2146,7 +2146,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opCWD: function() {
if (!this.opSize) {
if (!this.dataSize) {
/*
* CWD
*/
@ -2248,7 +2248,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVAXm: function() {
this.regEAX = (this.regEAX & ~this.opMask) | this.getSOWord(this.segData, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | this.getSOWord(this.segData, this.getIPWord());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -2799,7 +2799,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVAXw: function() {
this.regEAX = (this.regEAX & ~this.opMask) | this.getIPWord();
this.regEAX = (this.regEAX & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -2811,7 +2811,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVCXw: function() {
this.regECX = (this.regECX & ~this.opMask) | this.getIPWord();
this.regECX = (this.regECX & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiCL = this.backTrack.btiMemLo; this.backTrack.btiCH = this.backTrack.btiMemHi;
}
@ -2823,7 +2823,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVDXw: function() {
this.regEDX = (this.regEDX & ~this.opMask) | this.getIPWord();
this.regEDX = (this.regEDX & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiDL = this.backTrack.btiMemLo; this.backTrack.btiDH = this.backTrack.btiMemHi;
}
@ -2835,7 +2835,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVBXw: function() {
this.regEBX = (this.regEBX & ~this.opMask) | this.getIPWord();
this.regEBX = (this.regEBX & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiBL = this.backTrack.btiMemLo; this.backTrack.btiBH = this.backTrack.btiMemHi;
}
@ -2847,7 +2847,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVSPw: function() {
this.regESP = (this.regESP & ~this.opMask) | this.getIPWord();
this.regESP = (this.regESP & ~this.dataMask) | this.getIPWord();
this.nStepCycles -= this.CYCLES.nOpCyclesLAHF;
},
/**
@ -2856,7 +2856,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVBPw: function() {
this.regEBP = (this.regEBP & ~this.opMask) | this.getIPWord();
this.regEBP = (this.regEBP & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiBPLo = this.backTrack.btiMemLo; this.backTrack.btiBPHi = this.backTrack.btiMemHi;
}
@ -2868,7 +2868,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVSIw: function() {
this.regESI = (this.regESI & ~this.opMask) | this.getIPWord();
this.regESI = (this.regESI & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiSILo = this.backTrack.btiMemLo; this.backTrack.btiSIHi = this.backTrack.btiMemHi;
}
@ -2880,7 +2880,7 @@ var X86OpXX = {
* @this {X86CPU}
*/
opMOVDIw: function() {
this.regEDI = (this.regEDI & ~this.opMask) | this.getIPWord();
this.regEDI = (this.regEDI & ~this.dataMask) | this.getIPWord();
if (BACKTRACK) {
this.backTrack.btiDILo = this.backTrack.btiMemLo; this.backTrack.btiDIHi = this.backTrack.btiMemHi;
}
@ -2910,7 +2910,7 @@ var X86OpXX = {
opRETn: function() {
var n = this.getIPWord();
this.setIP(this.popWord());
this.regESP = (this.regESP & ~this.addrMask) | ((this.regESP + (n << this.opSize)) & this.addrMask);
this.regESP = (this.regESP & ~this.addrMask) | ((this.regESP + (n << this.dataSize)) & this.addrMask);
this.nStepCycles -= this.CYCLES.nOpCyclesRetn;
},
/**
@ -3004,7 +3004,7 @@ var X86OpXX = {
if (bLevel > 0) {
this.nStepCycles -= (bLevel << 2) + (bLevel > 1? 1 : 0);
while (--bLevel) {
this.regEBP = (this.regEBP & ~this.segSS.addrMask) | ((this.regEBP - (2 << this.opSize)) & this.segSS.addrMask);
this.regEBP = (this.regEBP & ~this.segSS.addrMask) | ((this.regEBP - (2 << this.dataSize)) & this.segSS.addrMask);
this.pushWord(this.getSOWord(this.segSS, this.regEBP & this.segSS.addrMask));
}
this.pushWord(wFrame);
@ -3021,7 +3021,7 @@ var X86OpXX = {
*/
opLEAVE: function() {
this.regESP = (this.regESP & ~this.segSS.addrMask) | (this.regEBP & this.segSS.addrMask);
this.regEBP = (this.regEBP & ~this.opMask) | (this.popWord() & this.opMask);
this.regEBP = (this.regEBP & ~this.dataMask) | (this.popWord() & this.dataMask);
/*
* NOTE: 5 is the cycle time for the 80286; the 80186/80188 has a cycle time of 8. However, accurate cycle
* counts for the 80186/80188 is low priority. TODO: Fix this someday.