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32-bit multiplication

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This commit is contained in:
Jeff Parsons 2015-04-22 17:24:40 -07:00 • committed by jeffpar
commit d68f1bd985
6 changed files with 157 additions and 63 deletions
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14
modules/pcjs/lib/x86op0f.js
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@ -201,8 +201,8 @@ X86.opCLTS = function CLTS()
* op=0x0F,0x20 (MOV reg,creg)
*
* NOTE: Since the ModRM decoders deal only with general-purpose registers, we must move
* the appropriate control register into a special variable (regMD16), which our helper function
* (fnMOVMD16) will use to replace the decoder's src operand.
* the appropriate control register into a special variable (regXX), which our helper function
* (fnMOVxx) will use to replace the decoder's src operand.
*
* @this {X86CPU}
*/
@ -221,16 +221,16 @@ X86.opMOVrc = function MOVrc()
var reg = (bModRM & 0x38) >> 3;
switch(reg) {
case 0x0:
this.regMD16 = this.regCR0;
this.regXX = this.regCR0;
break;
case 0x1:
this.regMD16 = this.regCR1;
this.regXX = this.regCR1;
break;
case 0x2:
this.regMD16 = this.regCR2;
this.regXX = this.regCR2;
break;
case 0x3:
this.regMD16 = this.regCR3;
this.regXX = this.regCR3;
break;
default:
X86.opUndefined.call(this);
@ -242,7 +242,7 @@ X86.opMOVrc = function MOVrc()
*
* this.opFlags |= X86.OPFLAG.NOREAD;
*/
this.aOpModRegWord[bModRM].call(this, X86.fnMOVMD16);
this.aOpModRegWord[bModRM].call(this, X86.fnMOVxx);
};
/**