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Preliminary groundwork for FPU support

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This commit is contained in:
Jeff Parsons 2015-11-11 18:11:30 -08:00
commit 0c6db1df46
18 changed files with 756 additions and 173 deletions
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5
modules/pcjs/lib/x86func.js
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@ -945,6 +945,11 @@ X86.fnDIVw = function(dst, src)
*/
X86.fnESC = function(dst, src)
{
if (this.fpu) {
this.fpu.fnFPU(this.bOpcode, this.bModRM, dst, src);
this.stopCPU();
}
this.nStepCycles -= (this.regEA === X86.ADDR_INVALID? 2 : 8);
return dst;
};