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Some FPU corrections (due to 8087 datasheet errors) and additions

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This commit is contained in:
Jeff Parsons 2015-11-18 17:05:16 -08:00
commit c47fba7b0c
2 changed files with 75 additions and 50 deletions
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34
modules/pcjs/lib/debugger.js
View file

@ -1129,7 +1129,7 @@ if (DEBUGGER) {
0x30: [Debugger.FINS.FLD, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], 0x30: [Debugger.FINS.FLD, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT],
0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], 0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT],
0x32: [Debugger.FINS.FNOP], 0x32: [Debugger.FINS.FNOP],
0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete decoding 0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete encoding
0x40: [Debugger.FINS.FCHS], 0x40: [Debugger.FINS.FCHS],
0x41: [Debugger.FINS.FABS], 0x41: [Debugger.FINS.FABS],
0x44: [Debugger.FINS.FTST], 0x44: [Debugger.FINS.FTST],
@ -1188,12 +1188,12 @@ if (DEBUGGER) {
0x07: [Debugger.FINS.FDIVR, Debugger.TYPE_MODRM | Debugger.TYPE_LREAL | Debugger.TYPE_IN], 0x07: [Debugger.FINS.FDIVR, Debugger.TYPE_MODRM | Debugger.TYPE_LREAL | Debugger.TYPE_IN],
0x30: [Debugger.FINS.FADD, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x30: [Debugger.FINS.FADD, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x31: [Debugger.FINS.FMUL, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x31: [Debugger.FINS.FMUL, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x32: [Debugger.FINS.FCOM, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x32: [Debugger.FINS.FCOM, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x33: [Debugger.FINS.FCOMP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x33: [Debugger.FINS.FCOMP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x34: [Debugger.FINS.FSUB, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x34: [Debugger.FINS.FSUBR, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x35: [Debugger.FINS.FSUBR, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x35: [Debugger.FINS.FSUB, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x36: [Debugger.FINS.FDIV, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x36: [Debugger.FINS.FDIVR, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x37: [Debugger.FINS.FDIVR, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN] 0x37: [Debugger.FINS.FDIV, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN]
}, },
0xDD: { 0xDD: {
0x00: [Debugger.FINS.FLD, Debugger.TYPE_MODRM | Debugger.TYPE_LREAL | Debugger.TYPE_IN], 0x00: [Debugger.FINS.FLD, Debugger.TYPE_MODRM | Debugger.TYPE_LREAL | Debugger.TYPE_IN],
@ -1203,7 +1203,7 @@ if (DEBUGGER) {
0x06: [Debugger.FINS.FSAVE, Debugger.TYPE_MODRM | Debugger.TYPE_FPU | Debugger.TYPE_OUT], 0x06: [Debugger.FINS.FSAVE, Debugger.TYPE_MODRM | Debugger.TYPE_FPU | Debugger.TYPE_OUT],
0x07: [Debugger.FINS.FSTSW, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_OUT], 0x07: [Debugger.FINS.FSTSW, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_OUT],
0x30: [Debugger.FINS.FFREE, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], 0x30: [Debugger.FINS.FFREE, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN],
0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete decoding 0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete encoding
0x32: [Debugger.FINS.FST, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], 0x32: [Debugger.FINS.FST, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN],
0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN] 0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN]
}, },
@ -1218,12 +1218,12 @@ if (DEBUGGER) {
0x07: [Debugger.FINS.FIDIVR, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_IN], 0x07: [Debugger.FINS.FIDIVR, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_IN],
0x30: [Debugger.FINS.FADDP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x30: [Debugger.FINS.FADDP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x31: [Debugger.FINS.FMULP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x31: [Debugger.FINS.FMULP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x32: [Debugger.FINS.FCOMP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x32: [Debugger.FINS.FCOMP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x33: [Debugger.FINS.FCOMPP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], 0x33: [Debugger.FINS.FCOMPP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN],
0x34: [Debugger.FINS.FSUBP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x34: [Debugger.FINS.FSUBRP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x35: [Debugger.FINS.FSUBRP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x35: [Debugger.FINS.FSUBP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x36: [Debugger.FINS.FDIVP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN], 0x36: [Debugger.FINS.FDIVRP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN],
0x37: [Debugger.FINS.FDIVRP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN] 0x37: [Debugger.FINS.FDIVP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT, Debugger.TYPE_IMPREG | Debugger.TYPE_ST | Debugger.TYPE_IN]
}, },
0xDF: { 0xDF: {
0x00: [Debugger.FINS.FILD, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_IN], 0x00: [Debugger.FINS.FILD, Debugger.TYPE_MODRM | Debugger.TYPE_SHORT | Debugger.TYPE_IN],
@ -1233,10 +1233,10 @@ if (DEBUGGER) {
0x05: [Debugger.FINS.FILD, Debugger.TYPE_MODRM | Debugger.TYPE_LINT | Debugger.TYPE_IN], 0x05: [Debugger.FINS.FILD, Debugger.TYPE_MODRM | Debugger.TYPE_LINT | Debugger.TYPE_IN],
0x06: [Debugger.FINS.FBSTP, Debugger.TYPE_MODRM | Debugger.TYPE_DEC18 | Debugger.TYPE_OUT], 0x06: [Debugger.FINS.FBSTP, Debugger.TYPE_MODRM | Debugger.TYPE_DEC18 | Debugger.TYPE_OUT],
0x07: [Debugger.FINS.FISTP, Debugger.TYPE_MODRM | Debugger.TYPE_LINT | Debugger.TYPE_OUT], 0x07: [Debugger.FINS.FISTP, Debugger.TYPE_MODRM | Debugger.TYPE_LINT | Debugger.TYPE_OUT],
0x30: [Debugger.FINS.FFREEP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x30: [Debugger.FINS.FFREEP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete decoding 0x31: [Debugger.FINS.FXCH, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_OUT], // Obsolete encoding
0x32: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x32: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete decoding 0x33: [Debugger.FINS.FSTP, Debugger.TYPE_IMPREG | Debugger.TYPE_STREG | Debugger.TYPE_IN], // Obsolete encoding
0x34: [Debugger.FINS.FSTSWAX, Debugger.TYPE_80287] 0x34: [Debugger.FINS.FSTSWAX, Debugger.TYPE_80287]
} }
}; };

91
modules/pcjs/lib/x86fpu.js
View file

@ -245,7 +245,7 @@ X86FPU.FADDsti = function()
*/ */
X86FPU.FADDPsti = function() X86FPU.FADDPsti = function()
{ {
this.opUnimplemented(); if (this.setST(this.iStack, this.doAdd(this.getST(this.iStack), this.getST(0)))) this.popValue();
}; };
/** /**
@ -374,9 +374,7 @@ X86FPU.FCOMPsr = function()
*/ */
X86FPU.FCOMPst = function() X86FPU.FCOMPst = function()
{ {
// if (this.opStop()) return; // for untested instructions: stops the CPU if it's running, but not if single-stepping if (this.doCompare(this.getST(0), this.getST(this.iStack))) this.popValue();
this.doCompare(this.getST(0), this.getST(this.iStack));
this.popValue();
}; };
/** /**
@ -404,13 +402,13 @@ X86FPU.FCOMP8087 = function()
}; };
/** /**
* FCOMPPsti() * FCOMPP()
* *
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FCOMPPsti = function() X86FPU.FCOMPP = function()
{ {
this.opUnimplemented(); if (this.doCompare(this.getST(0), this.getST(1)) && this.popValue() != null) this.popValue();
}; };
/** /**
@ -1249,9 +1247,7 @@ X86FPU.FSTPsr = function()
*/ */
X86FPU.FSTPsti = function() X86FPU.FSTPsti = function()
{ {
if (this.setST(this.iStack, this.getST(0))) { if (this.setST(this.iStack, this.getST(0))) this.popValue();
this.popValue();
}
}; };
/** /**
@ -1322,7 +1318,7 @@ X86FPU.FSTSWAX287 = function()
*/ */
X86FPU.FSUBlr = function() X86FPU.FSUBlr = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getST(0), this.getLRFromEA()));
}; };
/** /**
@ -1332,37 +1328,43 @@ X86FPU.FSUBlr = function()
*/ */
X86FPU.FSUBsr = function() X86FPU.FSUBsr = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getST(0), this.getSRFromEA()));
}; };
/** /**
* FSUBst() * FSUBst()
* *
* This is for encoding 0xD8,0xE0-0xE7 ("FSUB ST,ST(i)"): ST(0) <- ST(0) - ST(i)
*
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBst = function() X86FPU.FSUBst = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getST(0), this.getST(this.iStack)));
}; };
/** /**
* FSUBsti() * FSUBsti()
* *
* This is for encoding 0xDC,0xE8-0xEF ("FSUB ST(i),ST"): ST(i) <- ST(0) - ST(i)
*
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBsti = function() X86FPU.FSUBsti = function()
{ {
this.opUnimplemented(); this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack)));
}; };
/** /**
* FSUBPsti() * FSUBPsti()
* *
* This is for encoding 0xDE,0xE8-0xEF ("FSUBP ST(i),ST"): ST(i) <- ST(0) - ST(i), POP
*
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBPsti = function() X86FPU.FSUBPsti = function()
{ {
this.opUnimplemented(); if (this.setST(this.iStack, this.doSubtract(this.getST(0), this.getST(this.iStack)))) this.popValue();
}; };
/** /**
@ -1372,7 +1374,7 @@ X86FPU.FSUBPsti = function()
*/ */
X86FPU.FSUBRlr = function() X86FPU.FSUBRlr = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getLRFromEA(), this.getST(0)));
}; };
/** /**
@ -1382,22 +1384,26 @@ X86FPU.FSUBRlr = function()
*/ */
X86FPU.FSUBRsr = function() X86FPU.FSUBRsr = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getSRFromEA(), this.getST(0)));
}; };
/** /**
* FSUBRst() * FSUBRst()
* *
* This is for encoding 0xD8,0xE8-0xEF ("FSUBR ST,ST(i)"): ST(0) <- ST(i) - ST(0)
*
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBRst = function() X86FPU.FSUBRst = function()
{ {
this.opUnimplemented(); this.setST(0, this.doSubtract(this.getST(this.iStack), this.getST(0)));
}; };
/** /**
* FSUBRsti() * FSUBRsti()
* *
* This is for encoding 0xDC,0xE0-0xE7 ("FSUBR ST(i),ST"): ST(i) <- ST(i) - ST(0)
*
* @this {X86FPU} * @this {X86FPU}
*/ */
X86FPU.FSUBRsti = function() X86FPU.FSUBRsti = function()
@ -1408,13 +1414,13 @@ X86FPU.FSUBRsti = function()
/** /**
* FSUBRPsti() * FSUBRPsti()
* *
* This is for encoding 0xDE,0xE0-0xE7 ("FSUBRP ST(i),ST"): ST(i) <- ST(i) - ST(0), 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)))) { if (this.setST(this.iStack, this.doSubtract(this.getST(this.iStack), this.getST(0)))) this.popValue();
this.popValue();
}
}; };
/** /**
@ -1466,7 +1472,9 @@ X86FPU.FXAM = function()
*/ */
X86FPU.FXCHsti = function() X86FPU.FXCHsti = function()
{ {
this.opUnimplemented(); var tmp = this.getST(0);
this.setST(0, this.getST(this.iStack));
this.setST(this.iStack, tmp);
}; };
/** /**
@ -1708,6 +1716,12 @@ X86FPU.prototype.getRandomInt = function(min, max)
/** /**
* opStop(fError) * opStop(fError)
* *
* Place this inside any opcode handler to stop the CPU from running the current instruction; eg:
*
* if (this.opStop()) return;
*
* You can still use the Debugger to single-step over the instruction; opStop() will return false in that case.
*
* @this {X86FPU} * @this {X86FPU}
* @param {boolean} [fError] * @param {boolean} [fError]
* @return {boolean} (true if there was an error or the CPU was running, false if not) * @return {boolean} (true if there was an error or the CPU was running, false if not)
@ -1990,6 +2004,7 @@ X86FPU.prototype.doDivide = function(dividend, divisor)
* @this {X86FPU} * @this {X86FPU}
* @param {number|null} operand1 * @param {number|null} operand1
* @param {number|null} operand2 * @param {number|null} operand2
* @return {boolean}
*/ */
X86FPU.prototype.doCompare = function(operand1, operand2) X86FPU.prototype.doCompare = function(operand1, operand2)
{ {
@ -2006,7 +2021,9 @@ X86FPU.prototype.doCompare = function(operand1, operand2)
} }
} }
this.regStatus = (this.regStatus & ~X86.FPU.STATUS.CC) | cc; this.regStatus = (this.regStatus & ~X86.FPU.STATUS.CC) | cc;
return true;
} }
return false;
}; };
/** /**
@ -2030,14 +2047,16 @@ X86FPU.prototype.doSquareRoot = function(operand)
}; };
/** /**
* roundInteger(operand, limit) * roundInteger(operand, max)
*
* NOTE: The max parameter is EXCLUSIVE, not inclusive (ie, the maximum positive integer is < max).
* *
* @this {X86FPU} * @this {X86FPU}
* @param {number|null} operand * @param {number|null} operand
* @param {number} limit (ie, 0x8000, 0x80000000, or 0x8000000000000000) * @param {number} max (ie, 0x8000, 0x80000000, or 0x8000000000000000)
* @return {boolean} true if intTmpLR was loaded, false if not * @return {boolean} true if intTmpLR was loaded, false if not
*/ */
X86FPU.prototype.roundInteger = function(operand, limit) X86FPU.prototype.roundInteger = function(operand, max)
{ {
var result; var result;
var rc = (this.regControl & X86.FPU.CONTROL.RC); var rc = (this.regControl & X86.FPU.CONTROL.RC);
@ -2053,18 +2072,18 @@ X86FPU.prototype.roundInteger = function(operand, limit)
result = Math.ceil(operand); result = Math.ceil(operand);
} }
if (result >= limit) { if (result >= max) {
if (this.setException(X86.FPU.STATUS.OE)) return false; if (this.setException(X86.FPU.STATUS.OE)) return false;
result = limit - 1; result = max - 1;
} }
else if (result < -limit) { else if (result < -max) {
if (this.setException(X86.FPU.STATUS.UE)) return false; if (this.setException(X86.FPU.STATUS.UE)) return false;
result = -limit; result = -max;
} }
this.intTmpLR[0] = result|0; this.intTmpLR[0] = result|0;
if (limit > X86FPU.MAX_INT32) { if (max > X86FPU.MAX_INT32) {
this.intTmpLR[1] = (result / 0x100000000)|0; this.intTmpLR[1] = (result / 0x100000000)|0;
if (!this.intTmpLR[1] && result < 0) this.intTmpLR[1] = -1; if (!this.intTmpLR[1] && result < 0) this.intTmpLR[1] = -1;
} }
@ -2791,7 +2810,10 @@ X86FPU.aaOps = {
0x00: X86FPU.FADDlr, 0x01: X86FPU.FMULlr, 0x02: X86FPU.FCOMlr, 0x03: X86FPU.FCOMPlr, 0x00: X86FPU.FADDlr, 0x01: X86FPU.FMULlr, 0x02: X86FPU.FCOMlr, 0x03: X86FPU.FCOMPlr,
0x04: X86FPU.FSUBlr, 0x05: X86FPU.FSUBRlr, 0x06: X86FPU.FDIVlr, 0x07: X86FPU.FDIVRlr, 0x04: X86FPU.FSUBlr, 0x05: X86FPU.FSUBRlr, 0x06: X86FPU.FDIVlr, 0x07: X86FPU.FDIVRlr,
0x30: X86FPU.FADDsti, 0x31: X86FPU.FMULsti, 0x32: X86FPU.FCOM8087, 0x33: X86FPU.FCOMP8087, 0x30: X86FPU.FADDsti, 0x31: X86FPU.FMULsti, 0x32: X86FPU.FCOM8087, 0x33: X86FPU.FCOMP8087,
0x34: X86FPU.FSUBsti, 0x35: X86FPU.FSUBRsti, 0x36: X86FPU.FDIVsti, 0x37: X86FPU.FDIVRsti /*
* Intel's original 8087 datasheet had these forms of SUB and SUBR (and DIV and DIVR) swapped.
*/
0x34: X86FPU.FSUBRsti, 0x35: X86FPU.FSUBsti, 0x36: X86FPU.FDIVRsti, 0x37: X86FPU.FDIVsti
}, },
0xDD: { 0xDD: {
0x00: X86FPU.FLDlr, 0x02: X86FPU.FSTlr, 0x03: X86FPU.FSTPlr, 0x00: X86FPU.FLDlr, 0x02: X86FPU.FSTlr, 0x03: X86FPU.FSTPlr,
@ -2801,8 +2823,11 @@ X86FPU.aaOps = {
0xDE: { 0xDE: {
0x00: X86FPU.FIADD16, 0x01: X86FPU.FIMUL16, 0x02: X86FPU.FICOM16, 0x03: X86FPU.FICOMP16, 0x00: X86FPU.FIADD16, 0x01: X86FPU.FIMUL16, 0x02: X86FPU.FICOM16, 0x03: X86FPU.FICOMP16,
0x04: X86FPU.FISUB16, 0x05: X86FPU.FISUBR16, 0x06: X86FPU.FIDIV16, 0x07: X86FPU.FIDIVR16, 0x04: X86FPU.FISUB16, 0x05: X86FPU.FISUBR16, 0x06: X86FPU.FIDIV16, 0x07: X86FPU.FIDIVR16,
0x30: X86FPU.FADDPsti, 0x31: X86FPU.FMULPsti, 0x32: X86FPU.FCOMP8087, 0x33: X86FPU.FCOMPPsti, 0x30: X86FPU.FADDPsti, 0x31: X86FPU.FMULPsti, 0x32: X86FPU.FCOMP8087, 0x33: X86FPU.FCOMPP,
0x34: X86FPU.FSUBPsti, 0x35: X86FPU.FSUBRPsti, 0x36: X86FPU.FDIVPsti, 0x37: X86FPU.FDIVRPsti /*
* Intel's original 8087 datasheet had these forms of SUBP and SUBRP (and DIVP and DIVRP) swapped.
*/
0x34: X86FPU.FSUBRPsti, 0x35: X86FPU.FSUBPsti, 0x36: X86FPU.FDIVRPsti, 0x37: X86FPU.FDIVPsti
}, },
0xDF: { 0xDF: {
0x00: X86FPU.FILD16, 0x02: X86FPU.FIST16, 0x03: X86FPU.FISTP16, 0x00: X86FPU.FILD16, 0x02: X86FPU.FIST16, 0x03: X86FPU.FISTP16,