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Fixed ECX corruption in LOOP instructions

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This commit is contained in:
Jeff Parsons 2015-08-26 14:54:59 -07:00
commit 8c945bac17
8 changed files with 2085 additions and 1978 deletions
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14
modules/pcjs/lib/debugger.js
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@ -1576,8 +1576,8 @@ if (DEBUGGER) {
Debugger.prototype.newAddr = function(off, sel, addr, fProt, fData32, fAddr32)
{
if (fProt === undefined) fProt = this.getProtMode();
if (fData32 === undefined) fData32 = (this.cpu && this.cpu.segCS.dataSize == 4);
if (fAddr32 === undefined) fAddr32 = (this.cpu && this.cpu.segCS.addrSize == 4);
if (fData32 === undefined) fData32 = (this.cpu && this.cpu.segCS.sizeData == 4);
if (fAddr32 === undefined) fAddr32 = (this.cpu && this.cpu.segCS.sizeAddr == 4);
return {off: off || 0, sel: sel, addr: addr, fProt: fProt || false, fTempBreak: false, fData32: fData32 || false, fAddr32: fAddr32 || false};
};
@ -1617,7 +1617,7 @@ if (DEBUGGER) {
if (dbgAddr.sel != null) {
var seg = this.getSegment(dbgAddr.sel, dbgAddr.fProt);
if (seg) {
var off = dbgAddr.off & seg.addrMask;
var off = dbgAddr.off & seg.maskAddr;
if ((off >>> 0) >= seg.offMax) return false;
dbgAddr.off = off;
}
@ -3064,8 +3064,8 @@ if (DEBUGGER) {
dbgAddr.sel = this.cpu.getCS();
dbgAddr.addr = addr;
dbgAddr.fProt = this.getProtMode();
dbgAddr.fData32 = (this.cpu && this.cpu.segCS.dataSize == 4);
dbgAddr.fAddr32 = (this.cpu && this.cpu.segCS.addrSize == 4);
dbgAddr.fData32 = (this.cpu && this.cpu.segCS.sizeData == 4);
dbgAddr.fAddr32 = (this.cpu && this.cpu.segCS.sizeAddr == 4);
if (++this.iOpcodeHistory == this.aOpcodeHistory.length) this.iOpcodeHistory = 0;
}
}
@ -6346,8 +6346,8 @@ if (DEBUGGER) {
* both fields must be set to match the size of the current code segment.
*/
if (fNonPrefix) {
dbgAddr.fData32 = (this.cpu.segCS.dataSize == 4);
dbgAddr.fAddr32 = (this.cpu.segCS.addrSize == 4);
dbgAddr.fData32 = (this.cpu.segCS.sizeData == 4);
dbgAddr.fAddr32 = (this.cpu.segCS.sizeAddr == 4);
}
/*
* We also use dbgAddr.fComplete to record whether the caller (ie, getInstruction()) is reporting that