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80386 0x0F opcodes more or less fleshed out

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This commit is contained in:
Jeff Parsons 2015-03-29 20:37:46 -07:00 • committed by jeffpar
commit 177032223c
4 changed files with 452 additions and 15 deletions
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11
modules/pcjs/lib/x86cpu.js
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@ -426,6 +426,7 @@ X86CPU.CYCLES_80286 = {
};
X86CPU.CYCLES_80386 = {
nOpCyclesBitScan: 11,
nOpCyclesBitSetR: 6,
nOpCyclesBitSetM: 8,
nOpCyclesBitSetMExtra: 5, // extra cycle cost for non-immediate BTC/BTR/BTS opcodes
@ -434,6 +435,8 @@ X86CPU.CYCLES_80386 = {
nOpCyclesBitTestMExtra: 6, // extra cycle cost for non-immediate BT opcode
nOpCyclesIMulR: 9,
nOpCyclesIMulM: 12,
nOpCyclesMovXR: 3,
nOpCyclesMovXM: 6,
nOpCyclesSetR: 4,
nOpCyclesSetM: 5,
nOpCyclesShiftDR: 3,
@ -770,8 +773,11 @@ X86CPU.prototype.initProcessor = function()
this.OPFLAG_NOINTR_8086 = 0; // used with instructions that should *not* set NOINTR on an 80286 (eg, non-SS segment loads)
this.aOps0F = X86.aOps0F;
this.aOps[0x0F] = X86.op0F;
this.aOps[0x0F] = X86.op0F;
this.aOps0F = X86.aOps0F.slice();
for (var i = 0; i < this.aOps0F.length; i++) {
if (!this.aOps0F[i]) this.aOps0F[i] = X86.opUndefined;
}
this.aOps[X86.OPCODE.PUSHSP] = X86.opPUSHSP; // 0x54
this.aOps[X86.OPCODE.ARPL] = X86.opARPL; // 0x63
@ -781,7 +787,6 @@ X86CPU.prototype.initProcessor = function()
this.aOps[X86.OPCODE.GS] = X86.opGS; // 0x65
this.aOps[X86.OPCODE.OS] = X86.opOS; // 0x66
this.aOps[X86.OPCODE.AS] = X86.opAS; // 0x67
this.aOps0F = X86.aOps0F.slice();
for (bOpcode in X86.aOps0F386) {
this.aOps0F[+bOpcode] = X86.aOps0F386[bOpcode];
}