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cz80, improve cycle accounting

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This commit is contained in:
kub 2020-12-14 21:06:24 +01:00
parent e0d5c83fd3
commit 85894ad406
4 changed files with 46 additions and 45 deletions
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64
cpu/cz80/cz80macro.h
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@ -94,36 +94,36 @@
#define IN(A) CPU->IN_Port(A)
#define OUT(A, D) CPU->OUT_Port(A, D)
#define CHECK_INT \
if (zIFF1) \
{ \
UINT32 IntVect; \
\
if (CPU->IRQState == HOLD_LINE) \
CPU->IRQState = CLEAR_LINE; \
\
CPU->HaltState = 0; \
zIFF1 = zIFF2 = 0; \
IntVect = CPU->Interrupt_Callback(CPU->IRQLine); \
\
PUSH_16(zRealPC) \
\
if (zIM == 2) \
{ \
IntVect = (IntVect & 0xff) | (zI << 8); \
PC = READ_MEM16(IntVect); \
CPU->ExtraCycles += 17; \
} \
else if (zIM == 1) \
{ \
PC = 0x38; \
CPU->ExtraCycles += 13; \
} \
else \
{ \
PC = IntVect & 0x38; \
CPU->ExtraCycles += 13; \
} \
\
SET_PC(PC) \
#define CHECK_INT \
if (zIFF1) \
{ \
UINT32 IntVect; \
\
if (CPU->IRQState == HOLD_LINE) \
CPU->IRQState = CLEAR_LINE; \
\
CPU->HaltState = 0; \
zIFF1 = zIFF2 = 0; \
IntVect = CPU->Interrupt_Callback(CPU->IRQLine); \
\
PUSH_16(zRealPC) \
\
if (zIM == 2) \
{ \
IntVect = (IntVect & 0xff) | (zI << 8); \
PC = READ_MEM16(IntVect); \
CPU->ExtraCycles += 17; \
} \
else if (zIM == 1) \
{ \
PC = 0x38; \
CPU->ExtraCycles += 13; \
} \
else \
{ \
PC = IntVect & 0x38; \
CPU->ExtraCycles += 13; \
} \
\
SET_PC(PC) \
}