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Dynamically switch getWord/setWord based on current dataSize

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This commit is contained in:
Jeff Parsons 2015-01-26 17:29:19 -08:00 • committed by jeffpar
commit 84572178c5
14 changed files with 1966 additions and 1958 deletions
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14
modules/pcjs/lib/x86help.js
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@ -202,7 +202,7 @@ var X86Help = {
X86Help.opHelpUndefined.call(this);
return dst;
}
this.setDS(this.getWord(this.regEA + 2));
this.setDS(this.getShort(this.regEA + 2));
this.nStepCycles -= this.CYCLES.nOpCyclesLS;
return src;
},
@ -217,7 +217,7 @@ var X86Help = {
X86Help.opHelpUndefined.call(this);
return dst;
}
this.setES(this.getWord(this.regEA + 2));
this.setES(this.getShort(this.regEA + 2));
this.nStepCycles -= this.CYCLES.nOpCyclesLS;
return src;
},
@ -239,8 +239,8 @@ var X86Help = {
* Note that BOUND performs signed comparisons, so we must transform all arguments into signed values.
*/
var wIndex = (dst << 16) >> 16;
var wLower = (this.getWord(this.regEA) << 16) >> 16;
var wUpper = (this.getWord(this.regEA + 2) << 16) >> 16;
var wLower = (this.getShort(this.regEA) << 16) >> 16;
var wUpper = (this.getShort(this.regEA + 2) << 16) >> 16;
this.nStepCycles -= this.CYCLES.nOpCyclesBound;
if (wIndex < wLower || wIndex > wUpper) {
/*
@ -579,15 +579,15 @@ var X86Help = {
if (this.regMSW & X86.MSW.PE) {
if (this.regPS & X86.PS.NT) {
var addrNew = this.segTSS.base;
var sel = this.getWord(addrNew + X86.TSS.PREV_TSS);
var sel = this.getShort(addrNew + X86.TSS.PREV_TSS);
X86Seg.switchTSS.call(this.segCS, sel, false);
return;
}
}
var cpl = this.segCS.cpl;
var regEIP = this.popWord();
var regCS = this.popWord();
var regPS = this.popWord();
var regCS = this.popWord();
var regPS = this.popWord();
if (this.setCSIP(regEIP, regCS, false) != null) {
this.setPS(regPS, cpl);
if (this.cIntReturn) this.checkIntReturn(this.regLIP);