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M-Cycle accurate Z80 modifications.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2019-12-29 01:18:54 +00:00
parent feee7ec2e6
commit d9466082ec
14 changed files with 283 additions and 238 deletions
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Intel8080/src/Intel8080.cpp
+3 -3
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@@ -56,7 +56,7 @@ void EightBit::Intel8080::decrement(uint8_t& operand) {
F() = setBit(F(), AC, lowNibble(operand) != Mask4);
}
bool EightBit::Intel8080::jumpConditionalFlag(const int flag) {
int EightBit::Intel8080::jumpConditionalFlag(const int flag) {
switch (flag) {
case 0: // NZ
return jumpConditional(!(F() & ZF));
@@ -79,7 +79,7 @@ bool EightBit::Intel8080::jumpConditionalFlag(const int flag) {
}
}
bool EightBit::Intel8080::returnConditionalFlag(const int flag) {
int EightBit::Intel8080::returnConditionalFlag(const int flag) {
switch (flag) {
case 0: // NZ
return returnConditional(!(F() & ZF));
@@ -102,7 +102,7 @@ bool EightBit::Intel8080::returnConditionalFlag(const int flag) {
}
}
bool EightBit::Intel8080::callConditionalFlag(const int flag) {
int EightBit::Intel8080::callConditionalFlag(const int flag) {
switch (flag) {
case 0: // NZ
return callConditional(!(F() & ZF));