Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove EAFUNCS

Browse source
This commit is contained in:
Jeff Parsons 2015-01-24 14:50:34 -08:00 • committed by jeffpar
commit 9ae860d28f
16 changed files with 2655 additions and 2727 deletions
Download patch file Download diff file Expand all files Collapse all files

20
modules/pcjs/lib/x86op0f.js
View file

@ -47,10 +47,9 @@ var X86Op0F = {
opGrp6: function() {
var bModRM = this.getIPByte();
if ((bModRM & 0x38) < 0x10) { // possible reg values: 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38
if (EAFUNCS) this.modEAWord = this.modEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOREAD;
this.opFlags |= X86.OPFLAG.NOREAD;
}
this.opMods.aOpModGrpWord[bModRM].call(this, this.aOpGrp6, X86Grps.opGrpNoSrc);
if (EAFUNCS) { this.modEAWord = this.modEAWordEnabled; this.setEAWord = this.setEAWordEnabled; }
},
/**
* @this {X86CPU}
@ -60,10 +59,9 @@ var X86Op0F = {
opGrp7: function() {
var bModRM = this.getIPByte();
if (!(bModRM & 0x10)) {
if (EAFUNCS) this.modEAWord = this.modEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOREAD;
this.opFlags |= X86.OPFLAG.NOREAD;
}
this.opMods.aOpModGrpWord[bModRM].call(this, X86Op0F.aOpGrp7, X86Grps.opGrpNoSrc);
if (EAFUNCS) { this.modEAWord = this.modEAWordEnabled; this.setEAWord = this.setEAWordEnabled; }
},
/**
* @this {X86CPU}
@ -200,7 +198,7 @@ var X86Op0F = {
* @return {number}
*/
opLLDT: function(dst, src) {
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
this.segLDT.load(dst);
this.nStepCycles -= (17 + (this.regEA < 0? 0 : 2));
return dst;
@ -212,7 +210,7 @@ var X86Op0F = {
* @return {number}
*/
opLTR: function(dst, src) {
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
if (this.segTSS.load(dst) != X86.ADDR_INVALID) {
this.setWord(this.segTSS.addrDesc + X86.DESC.ACC.OFFSET, this.segTSS.acc |= X86.DESC.ACC.TYPE.LDT);
this.segTSS.type = X86.DESC.ACC.TYPE.TSS_BUSY;
@ -227,7 +225,7 @@ var X86Op0F = {
* @return {number}
*/
opVERR: function(dst, src) {
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
/*
* Currently, segVER.load() will return an error only if the selector is beyond the bounds of the
* descriptor table or the descriptor is not for a segment.
@ -263,7 +261,7 @@ var X86Op0F = {
* @return {number}
*/
opVERW: function(dst, src) {
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
/*
* Currently, segVER.load() will return an error only if the selector is beyond the bounds of the
* descriptor table or the descriptor is not for a segment.
@ -386,7 +384,7 @@ var X86Op0F = {
} else {
this.addrGDT = this.getWord(this.regEA + 2) | (this.getByte(this.regEA + 4) << 16);
this.addrGDTLimit = this.addrGDT + dst;
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
this.nStepCycles -= 11;
}
return dst;
@ -409,7 +407,7 @@ var X86Op0F = {
} else {
this.addrIDT = this.getWord(this.regEA + 2) | (this.getByte(this.regEA + 4) << 16);
this.addrIDTLimit = this.addrIDT + dst;
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
this.nStepCycles -= 12;
}
return dst;
@ -433,7 +431,7 @@ var X86Op0F = {
opLMSW: function(dst, src) {
X86Help.opHelpLMSW.call(this, dst);
this.nStepCycles -= (this.regEA < 0? 3 : 6);
if (EAFUNCS) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.opFlags |= X86.OPFLAG.NOWRITE;
return dst;
}
};