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v1.17.0: Widening registers

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This commit is contained in:
Jeff Parsons 2015-01-19 22:32:15 -08:00 • committed by jeffpar
commit 1ede9acf15
133 changed files with 20419 additions and 19923 deletions
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186
modules/pcjs/bin/x86gen.js
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@ -140,11 +140,11 @@ if (!fGenMods) {
print(" /**");
print(" * @this {X86CPU}");
print(" *");
print(" * op=0x" + toHex(op, 2) + " (" + sOpCode.toLowerCase() + " AX," + sDst + ")");
print(" * op=0x" + toHex(op, 2) + " (" + sOpCode.toLowerCase() + " EAX," + sDst + ")");
print(" */");
sOp = "op" + sOpCode + sDst;
print(" " + sOp + ": function() {");
print(" var temp = this.regAX; this.regAX = " + sDstReg + "; " + sDstReg + " = temp;");
print(" var temp = this.regEAX; this.regEAX = " + sDstReg + "; " + sDstReg + " = temp;");
print(" },");
if (sOps) sOps += ((cOps % 4)? ", " : ",\n");
sOps += " this." + sOp;
@ -279,46 +279,46 @@ function genMode(d, w, mrm, sGroup, sRO) {
if (!w) {
switch (reg) {
case 0:
sRegGet = "this.regAX & 0xff";
sRegSet = "this.regAX = (this.regAX & ~0xff) | ";
sRegGet = "this.regEAX & 0xff";
sRegSet = "this.regEAX = (this.regEAX & ~0xff) | ";
sRegBTLo = "this.backTrack.btiAL";
break;
case 1:
sRegGet = "this.regCX & 0xff";
sRegSet = "this.regCX = (this.regCX & ~0xff) | ";
sRegGet = "this.regECX & 0xff";
sRegSet = "this.regECX = (this.regECX & ~0xff) | ";
sRegBTLo = "this.backTrack.btiCL";
break;
case 2:
sRegGet = "this.regDX & 0xff";
sRegSet = "this.regDX = (this.regDX & ~0xff) | ";
sRegGet = "this.regEDX & 0xff";
sRegSet = "this.regEDX = (this.regEDX & ~0xff) | ";
sRegBTLo = "this.backTrack.btiDL";
break;
case 3:
sRegGet = "this.regBX & 0xff";
sRegSet = "this.regBX = (this.regBX & ~0xff) | ";
sRegGet = "this.regEBX & 0xff";
sRegSet = "this.regEBX = (this.regEBX & ~0xff) | ";
sRegBTLo = "this.backTrack.btiBL";
break;
case 4:
sRegGet = "this.regAX >> 8";
sRegSet = "this.regAX = (this.regAX & 0xff) | ";
sRegGet = "(this.regEAX >> 8) & 0xff";
sRegSet = "this.regEAX = (this.regEAX & ~0xff00) | ";
sRegSetEnd = " << 8";
sRegBTLo = "this.backTrack.btiAH";
break;
case 5:
sRegGet = "this.regCX >> 8";
sRegSet = "this.regCX = (this.regCX & 0xff) | ";
sRegGet = "(this.regECX >> 8) & 0xff";
sRegSet = "this.regECX = (this.regECX & ~0xff00) | ";
sRegSetEnd = " << 8";
sRegBTLo = "this.backTrack.btiCH";
break;
case 6:
sRegGet = "this.regDX >> 8";
sRegSet = "this.regDX = (this.regDX & 0xff) | ";
sRegGet = "(this.regEDX >> 8) & 0xff";
sRegSet = "this.regEDX = (this.regEDX & ~0xff00) | ";
sRegSetEnd = " << 8";
sRegBTLo = "this.backTrack.btiDH";
break;
case 7:
sRegGet = "this.regBX >> 8";
sRegSet = "this.regBX = (this.regBX & 0xff) | ";
sRegGet = "(this.regEBX >> 8) & 0xff";
sRegSet = "this.regEBX = (this.regEBX & ~0xff00) | ";
sRegSetEnd = " << 8";
sRegBTLo = "this.backTrack.btiBH";
break;
@ -330,42 +330,50 @@ function genMode(d, w, mrm, sGroup, sRO) {
else {
switch (reg) {
case 0:
sRegGet = "this.regAX";
sRegGet = "this.regEAX & this.opMask";
sRegSet = "this.regEAX = (this.regEAX & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiAL";
sRegBTHi = "this.backTrack.btiAH";
break;
case 1:
sRegGet = "this.regCX";
sRegGet = "this.regECX & this.opMask";
sRegSet = "this.regECX = (this.regECX & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiCL";
sRegBTHi = "this.backTrack.btiCH";
break;
case 2:
sRegGet = "this.regDX";
sRegGet = "this.regEDX & this.opMask";
sRegSet = "this.regEDX = (this.regEDX & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiDL";
sRegBTHi = "this.backTrack.btiDH";
break;
case 3:
sRegGet = "this.regBX";
sRegGet = "this.regEBX & this.opMask";
sRegSet = "this.regEBX = (this.regEBX & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiBL";
sRegBTHi = "this.backTrack.btiBH";
break;
case 4:
sRegGet = "this.regSP";
sRegGet = "this.regESP & this.opMask";
sRegSet = "this.regESP = (this.regESP & this.opMaskClear) | ";
sRegBTLo = "X86.BACKTRACK.SP_LO";
sRegBTHi = "X86.BACKTRACK.SP_HI";
break;
case 5:
sRegGet = "this.regBP";
sRegGet = "this.regEBP & this.opMask";
sRegSet = "this.regEBP = (this.regEBP & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiBPLo";
sRegBTHi = "this.backTrack.btiBPHi";
break;
case 6:
sRegGet = "this.regSI";
sRegGet = "this.regESI & this.opMask";
sRegSet = "this.regESI = (this.regESI & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiSILo";
sRegBTHi = "this.backTrack.btiSIHi";
break;
case 7:
sRegGet = "this.regDI";
sRegGet = "this.regEDI & this.opMask";
sRegSet = "this.regEDI = (this.regEDI & this.opMaskClear) | ";
sRegBTLo = "this.backTrack.btiDILo";
sRegBTHi = "this.backTrack.btiDIHi";
break;
@ -394,34 +402,34 @@ function genMode(d, w, mrm, sGroup, sRO) {
case 0:
switch (r_m) {
case 0:
sModAddr = "this.regBX + this.regSI";
sModAddr = "this.regEBX + this.regESI";
sModFunc = "BXSI";
nCycles = "this.CYCLES.nEACyclesBaseIndex"; // 8086: 7
break;
case 1:
sModAddr = "this.regBX + this.regDI";
sModAddr = "this.regEBX + this.regEDI";
sModFunc = "BXDI";
nCycles = "this.CYCLES.nEACyclesBaseIndexExtra"; // 8086: 8
break;
case 2:
sModAddr = "this.regBP + this.regSI";
sModAddr = "this.regEBP + this.regESI";
sModFunc = "BPSI";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndexExtra"; // 8086: 8
break;
case 3:
sModAddr = "this.regBP + this.regDI";
sModAddr = "this.regEBP + this.regEDI";
sModFunc = "BPDI";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndex"; // 8086: 7
break;
case 4:
sModAddr = "this.regSI";
sModAddr = "this.regESI";
sModFunc = "SI";
nCycles = "this.CYCLES.nEACyclesBase"; // 8086: 5
break;
case 5:
sModAddr = "this.regDI";
sModAddr = "this.regEDI";
sModFunc = "DI";
nCycles = "this.CYCLES.nEACyclesBase"; // 8086: 5
break;
@ -431,7 +439,7 @@ function genMode(d, w, mrm, sGroup, sRO) {
nCycles = "this.CYCLES.nEACyclesDisp"; // 8086: 6
break;
case 7:
sModAddr = "this.regBX";
sModAddr = "this.regEBX";
sModFunc = "BX";
nCycles = "this.CYCLES.nEACyclesBase"; // 8086: 5
break;
@ -443,45 +451,45 @@ function genMode(d, w, mrm, sGroup, sRO) {
case 1:
switch (r_m) {
case 0:
sModAddr = "this.regBX + this.regSI + this.getIPDisp()";
sModAddr = "this.regEBX + this.regESI + this.getIPDisp()";
sModFunc = "BXSID8";
nCycles = "this.CYCLES.nEACyclesBaseIndexDisp"; // 8086: 11
break;
case 1:
sModAddr = "this.regBX + this.regDI + this.getIPDisp()";
sModAddr = "this.regEBX + this.regEDI + this.getIPDisp()";
sModFunc = "BXDID8";
nCycles = "this.CYCLES.nEACyclesBaseIndexDispExtra"; // 8086: 12
break;
case 2:
sModAddr = "this.regBP + this.regSI + this.getIPDisp()";
sModAddr = "this.regEBP + this.regESI + this.getIPDisp()";
sModFunc = "BPSID8";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndexDispExtra"; // 8086: 12
break;
case 3:
sModAddr = "this.regBP + this.regDI + this.getIPDisp()";
sModAddr = "this.regEBP + this.regEDI + this.getIPDisp()";
sModFunc = "BPDID8";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndexDisp"; // 8086: 11
break;
case 4:
sModAddr = "this.regSI + this.getIPDisp()";
sModAddr = "this.regESI + this.getIPDisp()";
sModFunc = "SID8";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 5:
sModAddr = "this.regDI + this.getIPDisp()";
sModAddr = "this.regEDI + this.getIPDisp()";
sModFunc = "DID8";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 6:
sModAddr = "this.regBP + this.getIPDisp()";
sModAddr = "this.regEBP + this.getIPDisp()";
sModFunc = "BPD8";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 7:
sModAddr = "this.regBX + this.getIPDisp()";
sModAddr = "this.regEBX + this.getIPDisp()";
sModFunc = "BXD8";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
@ -493,45 +501,45 @@ function genMode(d, w, mrm, sGroup, sRO) {
case 2:
switch (r_m) {
case 0:
sModAddr = "this.regBX + this.regSI + this.getIPWord()";
sModAddr = "this.regEBX + this.regESI + this.getIPWord()";
sModFunc = "BXSID16";
nCycles = "this.CYCLES.nEACyclesBaseIndexDisp"; // 8086: 11
break;
case 1:
sModAddr = "this.regBX + this.regDI + this.getIPWord()";
sModAddr = "this.regEBX + this.regEDI + this.getIPWord()";
sModFunc = "BXDID16";
nCycles = "this.CYCLES.nEACyclesBaseIndexDispExtra"; // 8086: 12
break;
case 2:
sModAddr = "this.regBP + this.regSI + this.getIPWord()";
sModAddr = "this.regEBP + this.regESI + this.getIPWord()";
sModFunc = "BPSID16";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndexDispExtra"; // 8086: 12
break;
case 3:
sModAddr = "this.regBP + this.regDI + this.getIPWord()";
sModAddr = "this.regEBP + this.regEDI + this.getIPWord()";
sModFunc = "BPDID16";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseIndexDisp"; // 8086: 11
break;
case 4:
sModAddr = "this.regSI + this.getIPWord()";
sModAddr = "this.regESI + this.getIPWord()";
sModFunc = "SID16";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 5:
sModAddr = "this.regDI + this.getIPWord()";
sModAddr = "this.regEDI + this.getIPWord()";
sModFunc = "DID16";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 6:
sModAddr = "this.regBP + this.getIPWord()";
sModAddr = "this.regEBP + this.getIPWord()";
sModFunc = "BPD16";
sModRegSeg = "this.segStack";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
case 7:
sModAddr = "this.regBX + this.getIPWord()";
sModAddr = "this.regEBX + this.getIPWord()";
sModFunc = "BXD16";
nCycles = "this.CYCLES.nEACyclesBaseDisp"; // 8086: 9
break;
@ -544,46 +552,46 @@ function genMode(d, w, mrm, sGroup, sRO) {
if (!w) {
switch (r_m) {
case 0:
sModRegGet = "this.regAX & 0xff";
sModRegSet = "this.regAX = (this.regAX & ~0xff) | ";
sModRegGet = "this.regEAX & 0xff";
sModRegSet = "this.regEAX = (this.regEAX & ~0xff) | ";
sModRegBTLo = "this.backTrack.btiAL";
break;
case 1:
sModRegGet = "this.regCX & 0xff";
sModRegSet = "this.regCX = (this.regCX & ~0xff) | ";
sModRegGet = "this.regECX & 0xff";
sModRegSet = "this.regECX = (this.regECX & ~0xff) | ";
sModRegBTLo = "this.backTrack.btiCL";
break;
case 2:
sModRegGet = "this.regDX & 0xff";
sModRegSet = "this.regDX = (this.regDX & ~0xff) | ";
sModRegGet = "this.regEDX & 0xff";
sModRegSet = "this.regEDX = (this.regEDX & ~0xff) | ";
sModRegBTLo = "this.backTrack.btiDL";
break;
case 3:
sModRegGet = "this.regBX & 0xff";
sModRegSet = "this.regBX = (this.regBX & ~0xff) | ";
sModRegGet = "this.regEBX & 0xff";
sModRegSet = "this.regEBX = (this.regEBX & ~0xff) | ";
sModRegBTLo = "this.backTrack.btiBL";
break;
case 4:
sModRegGet = "this.regAX >> 8";
sModRegSet = "this.regAX = (this.regAX & 0xff) | ";
sModRegGet = "(this.regEAX >> 8) & 0xff";
sModRegSet = "this.regEAX = (this.regEAX & ~0xff00) | ";
sModRegSetEnd = " << 8";
sModRegBTLo = "this.backTrack.btiAH";
break;
case 5:
sModRegGet = "this.regCX >> 8";
sModRegSet = "this.regCX = (this.regCX & 0xff) | ";
sModRegGet = "(this.regECX >> 8) & 0xff";
sModRegSet = "this.regECX = (this.regECX & ~0xff00) | ";
sModRegSetEnd = " << 8";
sModRegBTLo = "this.backTrack.btiCH";
break;
case 6:
sModRegGet = "this.regDX >> 8";
sModRegSet = "this.regDX = (this.regDX & 0xff) | ";
sModRegGet = "(this.regEDX >> 8) & 0xff";
sModRegSet = "this.regEDX = (this.regEDX & ~0xff00) | ";
sModRegSetEnd = " << 8";
sModRegBTLo = "this.backTrack.btiDH";
break;
case 7:
sModRegGet = "this.regBX >> 8";
sModRegSet = "this.regBX = (this.regBX & 0xff) | ";
sModRegGet = "(this.regEBX >> 8) & 0xff";
sModRegSet = "this.regEBX = (this.regEBX & ~0xff00) | ";
sModRegSetEnd = " << 8";
sModRegBTLo = "this.backTrack.btiBH";
break;
@ -595,42 +603,50 @@ function genMode(d, w, mrm, sGroup, sRO) {
else {
switch (r_m) {
case 0:
sModRegGet = "this.regAX";
sModRegGet = "this.regEAX & this.opMask";
sModRegSet = "this.regEAX = (this.regEAX & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiAL";
sModRegBTHi = "this.backTrack.btiAH";
break;
case 1:
sModRegGet = "this.regCX";
sModRegGet = "this.regECX & this.opMask";
sModRegSet = "this.regECX = (this.regECX & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiCL";
sModRegBTHi = "this.backTrack.btiCH";
break;
case 2:
sModRegGet = "this.regDX";
sModRegGet = "this.regEDX & this.opMask";
sModRegSet = "this.regEDX = (this.regEDX & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiDL";
sModRegBTHi = "this.backTrack.btiDH";
break;
case 3:
sModRegGet = "this.regBX";
sModRegGet = "this.regEBX & this.opMask";
sModRegSet = "this.regEBX = (this.regEBX & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiBL";
sModRegBTHi = "this.backTrack.btiBH";
break;
case 4:
sModRegGet = "this.regSP";
sModRegGet = "this.regESP & this.opMask";
sModRegSet = "this.regESP = (this.regESP & this.opMaskClear) | ";
sModRegBTLo = "X86.BACKTRACK.SP_LO";
sModRegBTHi = "X86.BACKTRACK.SP_HI";
break;
case 5:
sModRegGet = "this.regBP";
sModRegGet = "this.regEBP & this.opMask";
sModRegSet = "this.regEBP = (this.regEBP & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiBPLo";
sModRegBTHi = "this.backTrack.btiBPHi";
break;
case 6:
sModRegGet = "this.regSI";
sModRegGet = "this.regESI & this.opMask";
sModRegSet = "this.regESI = (this.regESI & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiSILo";
sModRegBTHi = "this.backTrack.btiSIHi";
break;
case 7:
sModRegGet = "this.regDI";
sModRegGet = "this.regEDI & this.opMask";
sModRegSet = "this.regEDI = (this.regEDI & this.opMaskClear) | ";
sModRegBTLo = "this.backTrack.btiDILo";
sModRegBTHi = "this.backTrack.btiDIHi";
break;
@ -670,10 +686,10 @@ function genMode(d, w, mrm, sGroup, sRO) {
print(" * @param {Array.<function(number,number)>} afnGrp");
print(" * @param {function()} fnSrc");
print(" */");
print(" " + sOpMod + ": function(afnGrp, fnSrc) {");
print(" " + sOpMod.replace("Byte","").replace("Word","") + ": function " + sOpMod + "(afnGrp, fnSrc) {");
if (sModAddr) {
if (sModAddr.indexOf("+") > 0) {
if (sModAddr.indexOf("+") > 0 || sModAddr.indexOf("regE") >= 0) {
sModAddr = "((" + sModAddr + ") & 0xffff)";
}
if (!d) {
@ -734,10 +750,10 @@ function genMode(d, w, mrm, sGroup, sRO) {
}
if (sModRegBTLo) {
if (!sModRegBTHi) {
print(" if (BACKTRACK) " + sModRegBTLo + " = this.backTrack.btiMemLo;");
print(" if (BACKTRACK) " + sModRegBTLo + " = this.backTrack.btiEALo;");
} else {
print(" if (BACKTRACK) {");
print(" " + sModRegBTLo + " = this.backTrack.btiMemLo; " + sModRegBTHi + " = this.backTrack.btiMemHi;");
print(" " + sModRegBTLo + " = this.backTrack.btiEALo; " + sModRegBTHi + " = this.backTrack.btiEAHi;");
print(" }");
}
}
@ -762,11 +778,11 @@ function genMode(d, w, mrm, sGroup, sRO) {
print(" * @this {X86CPU}");
print(" * @param {function(number,number)} fn (dst,src)");
print(" */");
print(" " + sOpMod + ": function(fn) {");
print(" " + sOpMod.replace("Byte","").replace("Word","") + ": function " + sOpMod + "(fn) {");
if (sModAddr && sRegGet) {
if (sModAddr.indexOf("+") > 0) {
if (sModAddr.indexOf("+") > 0 || sModAddr.indexOf("regE") >= 0) {
sModAddr = "((" + sModAddr + ") & 0xffff)";
}
if (!d) {
@ -775,10 +791,10 @@ function genMode(d, w, mrm, sGroup, sRO) {
print(" var " + sTemp + " = fn.call(this, this.modEA" + aSize[w] + "(" + sModRegSeg + ", " + sModAddr + "), " + sRegGet + ");");
if (sRegBTLo) {
if (!sRegBTHi) {
print(" if (BACKTRACK) this.backTrack.btiMemLo = " + sRegBTLo + ";");
print(" if (BACKTRACK) this.backTrack.btiEALo = " + sRegBTLo + ";");
} else {
print(" if (BACKTRACK) {");
print(" this.backTrack.btiMemLo = " + sRegBTLo + "; this.backTrack.btiMemHi = " + sRegBTHi + ";");
print(" this.backTrack.btiEALo = " + sRegBTLo + "; this.backTrack.btiEAHi = " + sRegBTHi + ";");
print(" }");
}
}
@ -795,10 +811,10 @@ function genMode(d, w, mrm, sGroup, sRO) {
print(" var " + sTemp + " = fn.call(this, this.modEA" + aSize[w] + "(this.regEAWrite), " + sRegGet + ");");
if (sRegBTLo) {
if (!sRegBTHi) {
print(" if (BACKTRACK) this.backTrack.btiMemLo = " + sRegBTLo + ";");
print(" if (BACKTRACK) this.backTrack.btiEALo = " + sRegBTLo + ";");
} else {
print(" if (BACKTRACK) {");
print(" this.backTrack.btiMemLo = " + sRegBTLo + "; this.backTrack.btiMemHi = " + sRegBTHi + ";");
print(" this.backTrack.btiEALo = " + sRegBTLo + "; this.backTrack.btiEAHi = " + sRegBTHi + ";");
print(" }");
}
}
@ -844,10 +860,10 @@ function genMode(d, w, mrm, sGroup, sRO) {
}
if (sRegBTLo && sRegBTLo.indexOf("this.") >= 0) {
if (!sRegBTHi) {
print(" if (BACKTRACK) " + sRegBTLo + " = this.backTrack.btiMemLo;");
print(" if (BACKTRACK) " + sRegBTLo + " = this.backTrack.btiEALo;");
} else {
print(" if (BACKTRACK) {");
print(" " + sRegBTLo + " = this.backTrack.btiMemLo; " + sRegBTHi + " = this.backTrack.btiMemHi;");
print(" " + sRegBTLo + " = this.backTrack.btiEALo; " + sRegBTHi + " = this.backTrack.btiEAHi;");
print(" }");
}
}