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The 8080 CPU now passes all the 8080 Exerciser tests

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This commit is contained in:
Jeff Parsons 2016-04-29 17:57:28 -07:00
commit 41f58a0035
7 changed files with 1231 additions and 1231 deletions
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44
modules/pc8080/lib/cpuops.js
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@ -441,24 +441,18 @@ CPUDef.opMVIH = function()
*/
CPUDef.opDAA = function()
{
var acc = this.regA;
var fCarry = !!this.getCF();
var fAuxCarry = !!this.getAF();
if ((acc & 0xf) > 9 || fAuxCarry) {
acc += 0x6;
fAuxCarry = true;
} else {
fAuxCarry = false;
var src = 0;
var CF = this.getCF();
var AF = this.getAF();
if (AF || (this.regA & 0x0F) > 9) {
src |= 0x06;
}
if (acc >= 0xa0 || fCarry) {
acc += 0x60;
fCarry = true;
} else {
fCarry = false;
if (CF || this.regA >= 0x9A) {
src |= 0x60;
CF = CPUDef.PS.CF;
}
this.resultZeroCarry = this.resultParitySign = this.regA = (acc & 0xff);
this.updateCF(fCarry);
this.updateAF(fAuxCarry);
this.regA = this.addByte(src);
this.updateCF(!!CF);
this.nStepCycles -= 4;
};
@ -2055,7 +2049,7 @@ CPUDef.opORAA = function()
*/
CPUDef.opCMPB = function()
{
this.cmpByte(this.regB);
this.subByte(this.regB);
this.nStepCycles -= 4;
};
@ -2066,7 +2060,7 @@ CPUDef.opCMPB = function()
*/
CPUDef.opCMPC = function()
{
this.cmpByte(this.regC);
this.subByte(this.regC);
this.nStepCycles -= 4;
};
@ -2077,7 +2071,7 @@ CPUDef.opCMPC = function()
*/
CPUDef.opCMPD = function()
{
this.cmpByte(this.regD);
this.subByte(this.regD);
this.nStepCycles -= 4;
};
@ -2088,7 +2082,7 @@ CPUDef.opCMPD = function()
*/
CPUDef.opCMPE = function()
{
this.cmpByte(this.regE);
this.subByte(this.regE);
this.nStepCycles -= 4;
};
@ -2099,7 +2093,7 @@ CPUDef.opCMPE = function()
*/
CPUDef.opCMPH = function()
{
this.cmpByte(this.regH);
this.subByte(this.regH);
this.nStepCycles -= 4;
};
@ -2110,7 +2104,7 @@ CPUDef.opCMPH = function()
*/
CPUDef.opCMPL = function()
{
this.cmpByte(this.regL);
this.subByte(this.regL);
this.nStepCycles -= 4;
};
@ -2121,7 +2115,7 @@ CPUDef.opCMPL = function()
*/
CPUDef.opCMPM = function()
{
this.cmpByte(this.getByte(this.getHL()));
this.subByte(this.getByte(this.getHL()));
this.nStepCycles -= 7;
};
@ -2132,7 +2126,7 @@ CPUDef.opCMPM = function()
*/
CPUDef.opCMPA = function()
{
this.cmpByte(this.regA);
this.subByte(this.regA);
this.nStepCycles -= 4;
};
@ -2859,7 +2853,7 @@ CPUDef.opCM = function()
*/
CPUDef.opCPI = function()
{
this.cmpByte(this.getPCByte());
this.subByte(this.getPCByte());
this.nStepCycles -= 7;
};