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This commit is contained in:
Jeff Parsons 2015-03-16 17:16:40 -07:00 • committed by jeffpar
commit 56f362f8ac
8 changed files with 2817 additions and 3175 deletions
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62
modules/pcjs/lib/x86opxx.js
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@ -593,13 +593,7 @@ X86.opDAA = function DAA()
}
var b = (AL & 0xff);
this.regEAX = (this.regEAX & ~0xff) | b;
if (OLDFLAGS) {
this.resultSize = X86.RESULT.SIZE_BYTE;
this.resultZeroCarry = this.resultParitySign = b;
}
if (I386) {
this.setLogicResult(b, X86.RESULT.BYTE);
}
this.setLogicResult(b, X86.RESULT.BYTE);
if (CF) this.setCF(); else this.clearCF();
if (AF) this.setAF(); else this.clearAF();
this.nStepCycles -= this.CYCLES.nOpCyclesAAA; // AAA and DAA have the same cycle times
@ -715,13 +709,7 @@ X86.opDAS = function DAS()
}
var b = (AL & 0xff);
this.regEAX = (this.regEAX & ~0xff) | b;
if (OLDFLAGS) {
this.resultSize = X86.RESULT.SIZE_BYTE;
this.resultZeroCarry = this.resultParitySign = b;
}
if (I386) {
this.setLogicResult(b, X86.RESULT.BYTE);
}
this.setLogicResult(b, X86.RESULT.BYTE);
if (CF) this.setCF(); else this.clearCF();
if (AF) this.setAF(); else this.clearAF();
this.nStepCycles -= this.CYCLES.nOpCyclesAAA; // AAA and DAS have the same cycle times
@ -2808,14 +2796,7 @@ X86.opCMPSw = function CMPSw()
*/
X86.opTESTALb = function TESTALb()
{
var src = this.getIPByte();
if (OLDFLAGS) {
this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = this.regEAX & src;
this.resultSize = X86.RESULT.SIZE_BYTE;
}
if (I386) {
this.setLogicResult(this.regEAX & src, X86.RESULT.BYTE);
}
this.setLogicResult(this.regEAX & this.getIPByte(), X86.RESULT.BYTE);
this.nStepCycles -= this.CYCLES.nOpCyclesAAA;
};
@ -2826,14 +2807,7 @@ X86.opTESTALb = function TESTALb()
*/
X86.opTESTAXw = function TESTAXw()
{
var src = this.getIPWord();
if (OLDFLAGS) {
this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = this.regEAX & src;
this.resultSize = X86.RESULT.SIZE_WORD;
}
if (I386) {
this.setLogicResult(this.regEAX & src, X86.RESULT.WORD);
}
this.setLogicResult(this.regEAX & this.getIPWord(), X86.RESULT.WORD);
this.nStepCycles -= this.CYCLES.nOpCyclesAAA;
};
@ -3569,16 +3543,10 @@ X86.opAAM = function AAM()
}
var AL = this.regEAX & 0xff;
this.regEAX = (this.regEAX & ~0xffff) | ((AL / bDivisor) << 8) | (AL % bDivisor);
if (OLDFLAGS) {
this.resultSize = X86.RESULT.SIZE_BYTE;
this.resultZeroCarry = this.resultParitySign = this.regEAX;
}
if (I386) {
/*
* setLogicResult() is slightly overkill, because technically, we don't need to clear CF and OF....
*/
this.setLogicResult(this.regEAX, X86.RESULT.BYTE);
}
/*
* setLogicResult() is slightly overkill, because technically, we don't need to clear CF and OF....
*/
this.setLogicResult(this.regEAX, X86.RESULT.BYTE);
this.nStepCycles -= this.CYCLES.nOpCyclesAAM;
};
@ -3596,16 +3564,10 @@ X86.opAAD = function AAD()
{
var bMultiplier = this.getIPByte();
this.regEAX = (this.regEAX & ~0xffff) | (((((this.regEAX >> 8) & 0xff) * bMultiplier) + this.regEAX) & 0xff);
if (OLDFLAGS) {
this.resultZeroCarry = this.resultParitySign = this.regEAX;
this.resultSize = X86.RESULT.SIZE_BYTE;
}
if (I386) {
/*
* setLogicResult() is slightly overkill, because technically, we don't need to clear CF and OF....
*/
this.setLogicResult(this.regEAX, X86.RESULT.BYTE);
}
/*
* setLogicResult() is slightly overkill, because technically, we don't need to clear CF and OF....
*/
this.setLogicResult(this.regEAX, X86.RESULT.BYTE);
this.nStepCycles -= this.CYCLES.nOpCyclesAAD;
};