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Lib65816
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removed duplicated switch and reverted pc change

This commit is contained in:
nick-less 2018-12-16 19:25:23 +01:00
parent 6f197ee233
commit f18794b159
1 changed files with 115 additions and 116 deletions
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231
src/opcodes/OpCode_ADC.cpp
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@ -135,137 +135,136 @@ void Cpu65816::executeADC(OpCode &opCode) {
#endif
switch (opCode.getCode()) {
switch (opCode.getCode()) {
case (0x69): // ADC Immediate
{
if (accumulatorIs16BitWide()) {
addToProgramAddress(1);
}
addToProgramAddress(3);
addToCycles(2);
break;
case (0x69): // ADC Immediate
{
if (accumulatorIs16BitWide()) {
addToProgramAddress(1);
}
case (0x6D): // ADC Absolute
{
addToProgramAddress(3);
addToCycles(4);
break;
addToProgramAddress(2);
addToCycles(2);
break;
}
case (0x6D): // ADC Absolute
{
addToProgramAddress(3);
addToCycles(4);
break;
}
case (0x6F): // ADC Absolute Long
{
addToProgramAddress(4);
addToCycles(5);
break;
}
case (0x65): // ADC Direct Page
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x6F): // ADC Absolute Long
{
addToProgramAddress(4);
addToCycles(5);
break;
}
case (0x65): // ADC Direct Page
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(3);
break;
addToProgramAddress(2);
addToCycles(3);
break;
}
case (0x72): // ADC Direct Page Indirect
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x72): // ADC Direct Page Indirect
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(5);
break;
addToProgramAddress(2);
addToCycles(5);
break;
}
case (0x67): // ADC Direct Page Indirect Long
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x67): // ADC Direct Page Indirect Long
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(6);
break;
addToProgramAddress(2);
addToCycles(6);
break;
}
case (0x7D): // ADC Absolute Indexed, X
{
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
case (0x7D): // ADC Absolute Indexed, X
{
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
addToProgramAddress(3);
addToCycles(4);
break;
addToProgramAddress(3);
addToCycles(4);
break;
}
case (0x7F): // ADC Absolute Long Indexed, X
{
addToProgramAddress(4);
addToCycles(5);
break;
}
case (0x79): // ADC Absolute Indexed Y
{
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
case (0x7F): // ADC Absolute Long Indexed, X
{
addToProgramAddress(4);
addToCycles(5);
break;
addToProgramAddress(3);
addToCycles(4);
break;
}
case (0x75): // ADC Direct Page Indexed, X
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x79): // ADC Absolute Indexed Y
{
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
addToProgramAddress(3);
addToCycles(4);
break;
addToProgramAddress(2);
addToCycles(4);
break;
}
case (0x61): // ADC Direct Page Indexed Indirect, X
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x75): // ADC Direct Page Indexed, X
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(4);
break;
addToProgramAddress(2);
addToCycles(6);
break;
}
case (0x71): // ADC Direct Page Indirect Indexed, Y
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
case (0x61): // ADC Direct Page Indexed Indirect, X
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(6);
break;
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
case (0x71): // ADC Direct Page Indirect Indexed, Y
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
if (opCodeAddressingCrossesPageBoundary(opCode)) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(5);
break;
}
case (0x77): // ADC Direct Page Indirect Long Indexed, Y
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(6);
break;
}
case (0x63): // ADC Stack Relative
{
addToProgramAddress(2);
addToCycles(4);
break;
}
case (0x73): // ADC Stack Relative Indirect Indexed, Y
{
addToProgramAddress(2);
addToCycles(7);
break;
}
default: {
LOG_UNEXPECTED_OPCODE(opCode);
addToProgramAddress(2);
addToCycles(5);
break;
}
case (0x77): // ADC Direct Page Indirect Long Indexed, Y
{
if (Binary::lower8BitsOf(mD) != 0) {
addToCycles(1);
}
addToProgramAddress(2);
addToCycles(6);
break;
}
case (0x63): // ADC Stack Relative
{
addToProgramAddress(2);
addToCycles(4);
break;
}
case (0x73): // ADC Stack Relative Indirect Indexed, Y
{
addToProgramAddress(2);
addToCycles(7);
break;
}
default: {
LOG_UNEXPECTED_OPCODE(opCode);
}
}
}