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Fixed SUB and SUBR operand order

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This commit is contained in:
Jeff Parsons 2015-11-22 16:09:32 -08:00
commit a11ed78926
2 changed files with 11 additions and 10 deletions
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3
modules/pcjs/lib/debugger.js
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@ -7748,6 +7748,7 @@ if (DEBUGGER) {
} }
var cLines = 0; var cLines = 0;
var sInstruction;
this.initAddrSize(dbgAddr, true); this.initAddrSize(dbgAddr, true);
while (cb > 0 && n--) { while (cb > 0 && n--) {
@ -7771,7 +7772,7 @@ if (DEBUGGER) {
nSequence = null; nSequence = null;
} }
var sInstruction = this.getInstruction(dbgAddr, sComment, nSequence); sInstruction = this.getInstruction(dbgAddr, sComment, nSequence);
/* /*
* If getInstruction() reported that it did not process a complete instruction (via dbgAddr.fComplete), * If getInstruction() reported that it did not process a complete instruction (via dbgAddr.fComplete),

18
modules/pcjs/lib/x86fpu.js
View file

@ -1034,7 +1034,7 @@ X86FPU.FMULsti = function()
*/ */
X86FPU.FMULPsti = function() X86FPU.FMULPsti = function()
{ {
this.opUnimplemented(); if (this.setST(this.iStack, this.doMultiply(this.getST(this.iStack), this.getST(0)))) this.popValue();
}; };
/** /**
@ -1346,25 +1346,25 @@ X86FPU.FSUBst = function()
/** /**
* FSUBsti() * FSUBsti()
* *
* This is for encoding 0xDC,0xE8-0xEF ("FSUB ST(i),ST"): ST(i) <- ST(0) - ST(i) * This is for encoding 0xDC,0xE8-0xEF ("FSUB ST(i),ST"): ST(i) <- ST(i) - ST(0)
* *
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBsti = function() X86FPU.FSUBsti = function()
{ {
this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack))); this.setST(this.iStack, this.doSubtract(this.getST(this.iStack), this.getST(0)));
}; };
/** /**
* FSUBPsti() * FSUBPsti()
* *
* This is for encoding 0xDE,0xE8-0xEF ("FSUBP ST(i),ST"): ST(i) <- ST(0) - ST(i), POP * This is for encoding 0xDE,0xE8-0xEF ("FSUBP ST(i),ST"): ST(i) <- ST(i) - ST(0), POP
* *
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBPsti = function() X86FPU.FSUBPsti = function()
{ {
if (this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack)))) this.popValue(); if (this.setST(this.iStack, this.doSubtract(this.getST(this.iStack), this.getST(0)))) this.popValue();
}; };
/** /**
@ -1402,25 +1402,25 @@ X86FPU.FSUBRst = function()
/** /**
* FSUBRsti() * FSUBRsti()
* *
* This is for encoding 0xDC,0xE0-0xE7 ("FSUBR ST(i),ST"): ST(i) <- ST(i) - ST(0) * This is for encoding 0xDC,0xE0-0xE7 ("FSUBR ST(i),ST"): ST(i) <- ST(0) - ST(i)
* *
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBRsti = function() X86FPU.FSUBRsti = function()
{ {
this.setST(this.iStack, this.doSubtract(this.getST(this.iStack), this.getST(0))); this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack)));
}; };
/** /**
* FSUBRPsti() * FSUBRPsti()
* *
* This is for encoding 0xDE,0xE0-0xE7 ("FSUBRP ST(i),ST"): ST(i) <- ST(i) - ST(0), POP * This is for encoding 0xDE,0xE0-0xE7 ("FSUBRP ST(i),ST"): ST(i) <- ST(0) - ST(i), POP
* *
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBRPsti = function() X86FPU.FSUBRPsti = function()
{ {
if (this.setST(this.iStack, this.doSubtract(this.getST(this.iStack), this.getST(0)))) this.popValue(); if (this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack)))) this.popValue();
}; };
/** /**