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- /******************************************************************************
- cz80macro.h
- CZ80 ŠeŽíƒ}ƒNƒ�
- ******************************************************************************/
- #if CZ80_USE_JUMPTABLE
- #define _SSOP(A,B) A##B
- #define OP(A) _SSOP(OP,A)
- #define OPCB(A) _SSOP(OPCB,A)
- #define OPED(A) _SSOP(OPED,A)
- #define OPXY(A) _SSOP(OPXY,A)
- #define OPXYCB(A) _SSOP(OPXYCB,A)
- #else
- #define OP(A) case A
- #define OPCB(A) case A
- #define OPED(A) case A
- #define OPXY(A) case A
- #define OPXYCB(A) case A
- #endif
- #define USE_CYCLES(A) CPU->ICount -= (A);
- #define ADD_CYCLES(A) CPU->ICount += (A);
- #define RET(A) { USE_CYCLES(A) goto Cz80_Exec; }
- #if CZ80_ENCRYPTED_ROM
- #define SET_PC(A) \
- CPU->BasePC = CPU->Fetch[(A) >> CZ80_FETCH_SFT]; \
- OPBase = CPU->OPFetch[(A) >> CZ80_FETCH_SFT]; \
- PC = (A) + CPU->BasePC;
- #define GET_OP() (*(UINT8 *)(OPBase + PC))
- #else
- #define SET_PC(A) \
- CPU->BasePC = CPU->Fetch[(A) >> CZ80_FETCH_SFT]; \
- PC = (A) + CPU->BasePC;
- #define GET_OP() (*(UINT8 *)PC)
- #endif
- #define READ_OP() GET_OP(); PC++
- #define READ_ARG() (*(UINT8 *)PC++)
- #define READ_ARG16() (*(UINT8 *)PC | (*(UINT8 *)(PC + 1) << 8)); PC += 2
- //#ifndef BUILD_CPS1PSP
- //#define READ_MEM8(A) memory_region_cpu2[(A)]
- //#else
- #if PICODRIVE_HACKS
- #define READ_MEM8(A) picodrive_read(A)
- #else
- #define READ_MEM8(A) CPU->Read_Byte(A)
- #endif
- //#endif
- #define READ_MEM16(A) (READ_MEM8(A) | (READ_MEM8((A) + 1) << 8))
- #if PICODRIVE_HACKS
- #define WRITE_MEM8(A, D) { \
- unsigned short a = A; \
- unsigned char d = D; \
- uptr v = z80_write_map[a >> Z80_MEM_SHIFT]; \
- if (map_flag_set(v)) \
- ((z80_write_f *)(v << 1))(a, d); \
- else \
- *(unsigned char *)((v << 1) + a) = d; \
- }
- #else
- #define WRITE_MEM8(A, D) CPU->Write_Byte(A, D);
- #endif
- #define WRITE_MEM16(A, D) { WRITE_MEM8(A, D); WRITE_MEM8((A) + 1, (D) >> 8); }
- #define PUSH_16(A) { UINT32 sp; zSP -= 2; sp = zSP; WRITE_MEM16(sp, A); }
- #define POP_16(A) { UINT32 sp; sp = zSP; A = READ_MEM16(sp); zSP = sp + 2; }
- #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->Status &= ~(CZ80_HALTED|CZ80_HAS_INT); \
- 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) \
- }
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