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dataSize and addrSize tweaks

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This commit is contained in:
Jeff Parsons 2015-01-30 12:00:12 -08:00 • committed by jeffpar
commit e2ddc497c3
5 changed files with 105 additions and 54 deletions
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8
modules/pcjs/lib/x86seg.js
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@ -118,7 +118,7 @@ X86Seg.ID = {
X86Seg.loadReal = function loadReal(sel, fSuppress)
{
this.sel = sel;
this.dataSize = this.addrSize = 0;
this.dataSize = this.addrSize = 2;
this.dataMask = this.addrMask = 0xffff;
return this.base = sel << 4;
};
@ -848,10 +848,10 @@ X86Seg.prototype.updateMode = function(fProt)
this.cpl = this.sel & X86.SEL.RPL;
this.dpl = (this.acc & X86.DESC.ACC.DPL.MASK) >> X86.DESC.ACC.DPL.SHIFT;
if (this.cpu.model < X86.MODEL_80386 || !(this.ext & X86.DESC.EXT.BIG)) {
this.dataSize = 0;
this.dataSize = 2;
this.dataMask = 0xffff;
} else {
this.dataSize = 1;
this.dataSize = 4;
this.dataMask = 0xffffffff;
}
} else {
@ -862,7 +862,7 @@ X86Seg.prototype.updateMode = function(fProt)
this.limit = 0xffff;
this.cpl = this.dpl = 0;
this.addrDesc = X86.ADDR_INVALID;
this.dataSize = 0;
this.dataSize = 2;
this.dataMask = 0xffff;
}
this.addrSize = this.dataSize;