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Fixed 5170 memory test and debugger addressing issues

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This commit is contained in:
Jeff Parsons 2014-10-02 01:49:03 -07:00 • committed by jeffpar
commit 32bf809645
8 changed files with 937 additions and 857 deletions
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17
my_modules/pcjs-client/lib/x86cpu.js
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@ -1810,6 +1810,9 @@ X86CPU.prototype.modEAByteDisabled = function(seg, off)
{
this.segEA = seg;
this.offEA = off;
/*
* TODO: Should this not also set regEA? Optimization or oversight?
*/
this.regEAWrite = seg.base + off;
return 0;
};
@ -1909,13 +1912,6 @@ X86CPU.prototype.modEAWordEnabled = function(seg, off)
X86CPU.prototype.setEAByteEnabled = function(b)
{
if (!FASTDISABLE && (this.opFlags & X86.OPFLAG.NOWRITE)) return;
/*
* TODO: We used to call checkEAWrite(this.segEA, this.offEA, 1), which would simply return
* regEAWrite in real-mode (or recalculate the address in prot-mode and verify that it still matched
* regEAWrite); determine if there's any value in reinstating that feature with the new X86Seg class.
*
* this.setByte(this.checkEAWrite(this.segEA, this.offEA, 1), b);
*/
this.setByte(this.segEA.checkWrite(this.offEA, 1), b);
};
@ -1928,13 +1924,6 @@ X86CPU.prototype.setEAByteEnabled = function(b)
X86CPU.prototype.setEAWordEnabled = function(w)
{
if (!FASTDISABLE && (this.opFlags & X86.OPFLAG.NOWRITE)) return;
/*
* TODO: We used to call checkEAWrite(this.segEA, this.offEA, 2), which would simply return
* regEAWrite in real-mode (or recalculate the address in prot-mode and verify that it still matched
* regEAWrite); determine if there's any value in reinstating that feature with the new X86Seg class.
*
* this.setByte(this.checkEAWrite(this.segEA, this.offEA, 1), b);
*/
this.setWord(this.segEA.checkWrite(this.offEA, 2), w);
};