diff options
Diffstat (limited to 'src/emu/cpu/ccpu/ccpu.c')
-rw-r--r-- | src/emu/cpu/ccpu/ccpu.c | 356 |
1 files changed, 178 insertions, 178 deletions
diff --git a/src/emu/cpu/ccpu/ccpu.c b/src/emu/cpu/ccpu/ccpu.c index b46faffc255..d8490a00e87 100644 --- a/src/emu/cpu/ccpu/ccpu.c +++ b/src/emu/cpu/ccpu/ccpu.c @@ -19,28 +19,28 @@ struct ccpu_state { - UINT16 PC; - UINT16 A; - UINT16 B; - UINT8 I; - UINT16 J; - UINT8 P; - UINT16 X; - UINT16 Y; - UINT16 T; - UINT16 * acc; + UINT16 PC; + UINT16 A; + UINT16 B; + UINT8 I; + UINT16 J; + UINT8 P; + UINT16 X; + UINT16 Y; + UINT16 T; + UINT16 * acc; - UINT16 a0flag, ncflag, cmpacc, cmpval; - UINT16 miflag, nextmiflag, nextnextmiflag; - UINT16 drflag; + UINT16 a0flag, ncflag, cmpacc, cmpval; + UINT16 miflag, nextmiflag, nextnextmiflag; + UINT16 drflag; - ccpu_input_func external_input; - ccpu_vector_func vector_callback; + ccpu_input_func external_input; + ccpu_vector_func vector_callback; - UINT8 waiting; - UINT8 watchdog; + UINT8 waiting; + UINT8 watchdog; - int icount; + int icount; legacy_cpu_device *device; address_space *program; @@ -62,38 +62,38 @@ INLINE ccpu_state *get_safe_token(device_t *device) MACROS ***************************************************************************/ -#define READOP(C,a) ((C)->direct->read_decrypted_byte(a)) +#define READOP(C,a) ((C)->direct->read_decrypted_byte(a)) -#define RDMEM(C,a) ((C)->data->read_word((a) * 2) & 0xfff) -#define WRMEM(C,a,v) ((C)->data->write_word((a) * 2, (v))) +#define RDMEM(C,a) ((C)->data->read_word((a) * 2) & 0xfff) +#define WRMEM(C,a,v) ((C)->data->write_word((a) * 2, (v))) -#define READPORT(C,a) ((C)->io->read_byte(a)) -#define WRITEPORT(C,a,v) ((C)->io->write_byte((a), (v))) +#define READPORT(C,a) ((C)->io->read_byte(a)) +#define WRITEPORT(C,a,v) ((C)->io->write_byte((a), (v))) -#define SET_A0(C) do { (C)->a0flag = (C)->A; } while (0) -#define SET_CMP_VAL(C,x) do { (C)->cmpacc = *(C)->acc; (C)->cmpval = (x) & 0xfff; } while (0) -#define SET_NC(C,a) do { (C)->ncflag = ~(a); } while (0) -#define SET_MI(C,a) do { (C)->nextnextmiflag = (a); } while (0) +#define SET_A0(C) do { (C)->a0flag = (C)->A; } while (0) +#define SET_CMP_VAL(C,x) do { (C)->cmpacc = *(C)->acc; (C)->cmpval = (x) & 0xfff; } while (0) +#define SET_NC(C,a) do { (C)->ncflag = ~(a); } while (0) +#define SET_MI(C,a) do { (C)->nextnextmiflag = (a); } while (0) -#define TEST_A0(C) ((C)->a0flag & 1) -#define TEST_NC(C) (((C)->ncflag >> 12) & 1) -#define TEST_MI(C) (((C)->miflag >> 11) & 1) -#define TEST_LT(C) ((C)->cmpval < (C)->cmpacc) -#define TEST_EQ(C) ((C)->cmpval == (C)->cmpacc) -#define TEST_DR(C) ((C)->drflag != 0) +#define TEST_A0(C) ((C)->a0flag & 1) +#define TEST_NC(C) (((C)->ncflag >> 12) & 1) +#define TEST_MI(C) (((C)->miflag >> 11) & 1) +#define TEST_LT(C) ((C)->cmpval < (C)->cmpacc) +#define TEST_EQ(C) ((C)->cmpval == (C)->cmpacc) +#define TEST_DR(C) ((C)->drflag != 0) -#define NEXT_ACC_A(C) do { SET_MI(C, *(C)->acc); (C)->acc = &(C)->A; } while (0) -#define NEXT_ACC_B(C) do { SET_MI(C, *(C)->acc); if ((C)->acc == &(C)->A) (C)->acc = &(C)->B; else (C)->acc = &(C)->A; } while (0) +#define NEXT_ACC_A(C) do { SET_MI(C, *(C)->acc); (C)->acc = &(C)->A; } while (0) +#define NEXT_ACC_B(C) do { SET_MI(C, *(C)->acc); if ((C)->acc == &(C)->A) (C)->acc = &(C)->B; else (C)->acc = &(C)->A; } while (0) -#define CYCLES(C,x) do { (C)->icount -= (x); } while (0) +#define CYCLES(C,x) do { (C)->icount -= (x); } while (0) #define STANDARD_ACC_OP(C,resexp,cmpval) \ do { \ UINT16 result = resexp; \ - SET_A0(C); /* set the A0 bit based on the previous 'A' value */ \ - SET_CMP_VAL(C,cmpval); /* set the compare values to the previous accumulator and the cmpval */ \ - SET_NC(C,result); /* set the NC flag based on the unmasked result */ \ - *(C)->acc = result & 0xfff; /* store the low 12 bits of the new value */ \ + SET_A0(C); /* set the A0 bit based on the previous 'A' value */ \ + SET_CMP_VAL(C,cmpval); /* set the compare values to the previous accumulator and the cmpval */ \ + SET_NC(C,result); /* set the NC flag based on the unmasked result */ \ + *(C)->acc = result & 0xfff; /* store the low 12 bits of the new value */ \ } while (0) @@ -217,20 +217,20 @@ static CPU_EXECUTE( ccpu ) switch (opcode) { /* LDAI */ - case 0x00: case 0x01: case 0x02: case 0x03: - case 0x04: case 0x05: case 0x06: case 0x07: - case 0x08: case 0x09: case 0x0a: case 0x0b: - case 0x0c: case 0x0d: case 0x0e: case 0x0f: + case 0x00: case 0x01: case 0x02: case 0x03: + case 0x04: case 0x05: case 0x06: case 0x07: + case 0x08: case 0x09: case 0x0a: case 0x0b: + case 0x0c: case 0x0d: case 0x0e: case 0x0f: tempval = (opcode & 0x0f) << 8; STANDARD_ACC_OP(cpustate, tempval, tempval); NEXT_ACC_A(cpustate); CYCLES(cpustate, 1); break; /* INP */ - case 0x10: case 0x11: case 0x12: case 0x13: - case 0x14: case 0x15: case 0x16: case 0x17: - case 0x18: case 0x19: case 0x1a: case 0x1b: - case 0x1c: case 0x1d: case 0x1e: case 0x1f: + case 0x10: case 0x11: case 0x12: case 0x13: + case 0x14: case 0x15: case 0x16: case 0x17: + case 0x18: case 0x19: case 0x1a: case 0x1b: + case 0x1c: case 0x1d: case 0x1e: case 0x1f: if (cpustate->acc == &cpustate->A) tempval = READPORT(cpustate, opcode & 0x0f) & 1; else @@ -247,10 +247,10 @@ static CPU_EXECUTE( ccpu ) break; /* A4I */ - case 0x21: case 0x22: case 0x23: - case 0x24: case 0x25: case 0x26: case 0x27: - case 0x28: case 0x29: case 0x2a: case 0x2b: - case 0x2c: case 0x2d: case 0x2e: case 0x2f: + case 0x21: case 0x22: case 0x23: + case 0x24: case 0x25: case 0x26: case 0x27: + case 0x28: case 0x29: case 0x2a: case 0x2b: + case 0x2c: case 0x2d: case 0x2e: case 0x2f: tempval = opcode & 0x0f; STANDARD_ACC_OP(cpustate, *cpustate->acc + tempval, tempval); NEXT_ACC_A(cpustate); CYCLES(cpustate, 1); @@ -264,20 +264,20 @@ static CPU_EXECUTE( ccpu ) break; /* S4I */ - case 0x31: case 0x32: case 0x33: - case 0x34: case 0x35: case 0x36: case 0x37: - case 0x38: case 0x39: case 0x3a: case 0x3b: - case 0x3c: case 0x3d: case 0x3e: case 0x3f: + case 0x31: case 0x32: case 0x33: + case 0x34: case 0x35: case 0x36: case 0x37: + case 0x38: case 0x39: case 0x3a: case 0x3b: + case 0x3c: case 0x3d: case 0x3e: case 0x3f: tempval = opcode & 0x0f; STANDARD_ACC_OP(cpustate, *cpustate->acc + (tempval ^ 0xfff) + 1, tempval); NEXT_ACC_A(cpustate); CYCLES(cpustate, 1); break; /* LPAI */ - case 0x40: case 0x41: case 0x42: case 0x43: - case 0x44: case 0x45: case 0x46: case 0x47: - case 0x48: case 0x49: case 0x4a: case 0x4b: - case 0x4c: case 0x4d: case 0x4e: case 0x4f: + case 0x40: case 0x41: case 0x42: case 0x43: + case 0x44: case 0x45: case 0x46: case 0x47: + case 0x48: case 0x49: case 0x4a: case 0x4b: + case 0x4c: case 0x4d: case 0x4e: case 0x4f: tempval = READOP(cpustate, cpustate->PC++); cpustate->J = (opcode & 0x0f) + (tempval & 0xf0) + ((tempval & 0x0f) << 8); NEXT_ACC_A(cpustate); CYCLES(cpustate, 3); @@ -378,10 +378,10 @@ static CPU_EXECUTE( ccpu ) break; /* ADD */ - case 0x60: case 0x61: case 0x62: case 0x63: - case 0x64: case 0x65: case 0x66: case 0x67: - case 0x68: case 0x69: case 0x6a: case 0x6b: - case 0x6c: case 0x6d: case 0x6e: case 0x6f: + case 0x60: case 0x61: case 0x62: case 0x63: + case 0x64: case 0x65: case 0x66: case 0x67: + case 0x68: case 0x69: case 0x6a: case 0x6b: + case 0x6c: case 0x6d: case 0x6e: case 0x6f: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); tempval = RDMEM(cpustate, cpustate->I); STANDARD_ACC_OP(cpustate, *cpustate->acc + tempval, tempval); @@ -389,10 +389,10 @@ static CPU_EXECUTE( ccpu ) break; /* SUB */ - case 0x70: case 0x71: case 0x72: case 0x73: - case 0x74: case 0x75: case 0x76: case 0x77: - case 0x78: case 0x79: case 0x7a: case 0x7b: - case 0x7c: case 0x7d: case 0x7e: case 0x7f: + case 0x70: case 0x71: case 0x72: case 0x73: + case 0x74: case 0x75: case 0x76: case 0x77: + case 0x78: case 0x79: case 0x7a: case 0x7b: + case 0x7c: case 0x7d: case 0x7e: case 0x7f: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); tempval = RDMEM(cpustate, cpustate->I); STANDARD_ACC_OP(cpustate, *cpustate->acc + (tempval ^ 0xfff) + 1, tempval); @@ -400,29 +400,29 @@ static CPU_EXECUTE( ccpu ) break; /* SETP */ - case 0x80: case 0x81: case 0x82: case 0x83: - case 0x84: case 0x85: case 0x86: case 0x87: - case 0x88: case 0x89: case 0x8a: case 0x8b: - case 0x8c: case 0x8d: case 0x8e: case 0x8f: + case 0x80: case 0x81: case 0x82: case 0x83: + case 0x84: case 0x85: case 0x86: case 0x87: + case 0x88: case 0x89: case 0x8a: case 0x8b: + case 0x8c: case 0x8d: case 0x8e: case 0x8f: cpustate->P = opcode & 0x0f; NEXT_ACC_A(cpustate); CYCLES(cpustate, 1); break; /* OUT */ - case 0x90: case 0x91: case 0x92: case 0x93: - case 0x94: case 0x95: case 0x96: case 0x97: - case 0x98: case 0x99: case 0x9a: case 0x9b: - case 0x9c: case 0x9d: case 0x9e: case 0x9f: + case 0x90: case 0x91: case 0x92: case 0x93: + case 0x94: case 0x95: case 0x96: case 0x97: + case 0x98: case 0x99: case 0x9a: case 0x9b: + case 0x9c: case 0x9d: case 0x9e: case 0x9f: if (cpustate->acc == &cpustate->A) WRITEPORT(cpustate, opcode & 0x07, ~*cpustate->acc & 1); NEXT_ACC_A(cpustate); CYCLES(cpustate, 1); break; /* LDA */ - case 0xa0: case 0xa1: case 0xa2: case 0xa3: - case 0xa4: case 0xa5: case 0xa6: case 0xa7: - case 0xa8: case 0xa9: case 0xaa: case 0xab: - case 0xac: case 0xad: case 0xae: case 0xaf: + case 0xa0: case 0xa1: case 0xa2: case 0xa3: + case 0xa4: case 0xa5: case 0xa6: case 0xa7: + case 0xa8: case 0xa9: case 0xaa: case 0xab: + case 0xac: case 0xad: case 0xae: case 0xaf: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); tempval = RDMEM(cpustate, cpustate->I); STANDARD_ACC_OP(cpustate, tempval, tempval); @@ -430,10 +430,10 @@ static CPU_EXECUTE( ccpu ) break; /* TST */ - case 0xb0: case 0xb1: case 0xb2: case 0xb3: - case 0xb4: case 0xb5: case 0xb6: case 0xb7: - case 0xb8: case 0xb9: case 0xba: case 0xbb: - case 0xbc: case 0xbd: case 0xbe: case 0xbf: + case 0xb0: case 0xb1: case 0xb2: case 0xb3: + case 0xb4: case 0xb5: case 0xb6: case 0xb7: + case 0xb8: case 0xb9: case 0xba: case 0xbb: + case 0xbc: case 0xbd: case 0xbe: case 0xbf: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); tempval = RDMEM(cpustate, cpustate->I); { @@ -447,20 +447,20 @@ static CPU_EXECUTE( ccpu ) break; /* WS */ - case 0xc0: case 0xc1: case 0xc2: case 0xc3: - case 0xc4: case 0xc5: case 0xc6: case 0xc7: - case 0xc8: case 0xc9: case 0xca: case 0xcb: - case 0xcc: case 0xcd: case 0xce: case 0xcf: + case 0xc0: case 0xc1: case 0xc2: case 0xc3: + case 0xc4: case 0xc5: case 0xc6: case 0xc7: + case 0xc8: case 0xc9: case 0xca: case 0xcb: + case 0xcc: case 0xcd: case 0xce: case 0xcf: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); cpustate->I = RDMEM(cpustate, cpustate->I) & 0xff; NEXT_ACC_A(cpustate); CYCLES(cpustate, 3); break; /* STA */ - case 0xd0: case 0xd1: case 0xd2: case 0xd3: - case 0xd4: case 0xd5: case 0xd6: case 0xd7: - case 0xd8: case 0xd9: case 0xda: case 0xdb: - case 0xdc: case 0xdd: case 0xde: case 0xdf: + case 0xd0: case 0xd1: case 0xd2: case 0xd3: + case 0xd4: case 0xd5: case 0xd6: case 0xd7: + case 0xd8: case 0xd9: case 0xda: case 0xdb: + case 0xdc: case 0xdd: case 0xde: case 0xdf: cpustate->I = (cpustate->P << 4) + (opcode & 0x0f); WRMEM(cpustate, cpustate->I, *cpustate->acc); NEXT_ACC_A(cpustate); CYCLES(cpustate, 3); @@ -554,8 +554,8 @@ static CPU_EXECUTE( ccpu ) case 0xf4: cpustate->T = 0; while (((cpustate->A & 0xa00) == 0x000 || (cpustate->A & 0xa00) == 0xa00) && - ((cpustate->B & 0xa00) == 0x000 || (cpustate->B & 0xa00) == 0xa00) && - cpustate->T < 16) + ((cpustate->B & 0xa00) == 0x000 || (cpustate->B & 0xa00) == 0xa00) && + cpustate->T < 16) { cpustate->A = (cpustate->A << 1) & 0xfff; cpustate->B = (cpustate->B << 1) & 0xfff; @@ -573,8 +573,8 @@ static CPU_EXECUTE( ccpu ) cpustate->icount = -1; /* some games repeat the FRM opcode twice; it apparently does not cause - a second wait, so we make sure we skip any duplicate opcode at this - point */ + a second wait, so we make sure we skip any duplicate opcode at this + point */ if (READOP(cpustate, cpustate->PC) == opcode) cpustate->PC++; break; @@ -700,7 +700,7 @@ static CPU_SET_INFO( ccpu ) { /* --- the following bits of info are set as 64-bit signed integers --- */ case CPUINFO_INT_PC: - case CPUINFO_INT_REGISTER + CCPU_PC: cpustate->PC = info->i; break; + case CPUINFO_INT_REGISTER + CCPU_PC: cpustate->PC = info->i; break; case CPUINFO_INT_REGISTER + CCPU_FLAGS: cpustate->a0flag = (info->i & 0x01) ? 1 : 0; cpustate->ncflag = (info->i & 0x02) ? 0x0000 : 0x1000; @@ -709,15 +709,15 @@ static CPU_SET_INFO( ccpu ) cpustate->miflag = (info->i & 0x10) ? 1 : 0; cpustate->drflag = (info->i & 0x20) ? 1 : 0; break; - case CPUINFO_INT_REGISTER + CCPU_A: cpustate->A = info->i & 0xfff; break; - case CPUINFO_INT_REGISTER + CCPU_B: cpustate->B = info->i & 0xfff; break; - case CPUINFO_INT_REGISTER + CCPU_I: cpustate->I = info->i & 0xff; break; - case CPUINFO_INT_REGISTER + CCPU_J: cpustate->J = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_A: cpustate->A = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_B: cpustate->B = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_I: cpustate->I = info->i & 0xff; break; + case CPUINFO_INT_REGISTER + CCPU_J: cpustate->J = info->i & 0xfff; break; case CPUINFO_INT_SP: - case CPUINFO_INT_REGISTER + CCPU_P: cpustate->P = info->i & 0x0f; break; - case CPUINFO_INT_REGISTER + CCPU_X: cpustate->X = info->i & 0xfff; break; - case CPUINFO_INT_REGISTER + CCPU_Y: cpustate->Y = info->i & 0xfff; break; - case CPUINFO_INT_REGISTER + CCPU_T: cpustate->T = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_P: cpustate->P = info->i & 0x0f; break; + case CPUINFO_INT_REGISTER + CCPU_X: cpustate->X = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_Y: cpustate->Y = info->i & 0xfff; break; + case CPUINFO_INT_REGISTER + CCPU_T: cpustate->T = info->i & 0xfff; break; } } @@ -734,32 +734,32 @@ CPU_GET_INFO( ccpu ) switch (state) { /* --- the following bits of info are returned as 64-bit signed integers --- */ - case CPUINFO_INT_CONTEXT_SIZE: info->i = sizeof(ccpu_state); break; - case CPUINFO_INT_INPUT_LINES: info->i = 0; break; - case CPUINFO_INT_DEFAULT_IRQ_VECTOR: info->i = 0; break; - case CPUINFO_INT_ENDIANNESS: info->i = ENDIANNESS_BIG; break; - case CPUINFO_INT_CLOCK_MULTIPLIER: info->i = 1; break; - case CPUINFO_INT_CLOCK_DIVIDER: info->i = 1; break; - case CPUINFO_INT_MIN_INSTRUCTION_BYTES: info->i = 1; break; - case CPUINFO_INT_MAX_INSTRUCTION_BYTES: info->i = 3; break; - case CPUINFO_INT_MIN_CYCLES: info->i = 1; break; - case CPUINFO_INT_MAX_CYCLES: info->i = 1; break; - - case CPUINFO_INT_DATABUS_WIDTH + AS_PROGRAM: info->i = 8; break; - case CPUINFO_INT_ADDRBUS_WIDTH + AS_PROGRAM: info->i = 15; break; - case CPUINFO_INT_ADDRBUS_SHIFT + AS_PROGRAM: info->i = 0; break; - case CPUINFO_INT_DATABUS_WIDTH + AS_DATA: info->i = 16; break; - case CPUINFO_INT_ADDRBUS_WIDTH + AS_DATA: info->i = 8; break; - case CPUINFO_INT_ADDRBUS_SHIFT + AS_DATA: info->i = -1; break; - case CPUINFO_INT_DATABUS_WIDTH + AS_IO: info->i = 8; break; - case CPUINFO_INT_ADDRBUS_WIDTH + AS_IO: info->i = 5; break; - case CPUINFO_INT_ADDRBUS_SHIFT + AS_IO: info->i = 0; break; - - case CPUINFO_INT_PREVIOUSPC: /* not implemented */ break; + case CPUINFO_INT_CONTEXT_SIZE: info->i = sizeof(ccpu_state); break; + case CPUINFO_INT_INPUT_LINES: info->i = 0; break; + case CPUINFO_INT_DEFAULT_IRQ_VECTOR: info->i = 0; break; + case CPUINFO_INT_ENDIANNESS: info->i = ENDIANNESS_BIG; break; + case CPUINFO_INT_CLOCK_MULTIPLIER: info->i = 1; break; + case CPUINFO_INT_CLOCK_DIVIDER: info->i = 1; break; + case CPUINFO_INT_MIN_INSTRUCTION_BYTES: info->i = 1; break; + case CPUINFO_INT_MAX_INSTRUCTION_BYTES: info->i = 3; break; + case CPUINFO_INT_MIN_CYCLES: info->i = 1; break; + case CPUINFO_INT_MAX_CYCLES: info->i = 1; break; + + case CPUINFO_INT_DATABUS_WIDTH + AS_PROGRAM: info->i = 8; break; + case CPUINFO_INT_ADDRBUS_WIDTH + AS_PROGRAM: info->i = 15; break; + case CPUINFO_INT_ADDRBUS_SHIFT + AS_PROGRAM: info->i = 0; break; + case CPUINFO_INT_DATABUS_WIDTH + AS_DATA: info->i = 16; break; + case CPUINFO_INT_ADDRBUS_WIDTH + AS_DATA: info->i = 8; break; + case CPUINFO_INT_ADDRBUS_SHIFT + AS_DATA: info->i = -1; break; + case CPUINFO_INT_DATABUS_WIDTH + AS_IO: info->i = 8; break; + case CPUINFO_INT_ADDRBUS_WIDTH + AS_IO: info->i = 5; break; + case CPUINFO_INT_ADDRBUS_SHIFT + AS_IO: info->i = 0; break; + + case CPUINFO_INT_PREVIOUSPC: /* not implemented */ break; case CPUINFO_INT_PC: - case CPUINFO_INT_REGISTER + CCPU_PC: info->i = cpustate->PC; break; - case CPUINFO_INT_REGISTER + CCPU_FLAGS: info->i = 0; + case CPUINFO_INT_REGISTER + CCPU_PC: info->i = cpustate->PC; break; + case CPUINFO_INT_REGISTER + CCPU_FLAGS: info->i = 0; if (TEST_A0(cpustate)) info->i |= 0x01; if (TEST_NC(cpustate)) info->i |= 0x02; if (TEST_LT(cpustate)) info->i |= 0x04; @@ -767,62 +767,62 @@ CPU_GET_INFO( ccpu ) if ((*cpustate->external_input)(cpustate->device)) info->i |= 0x10; if (TEST_DR(cpustate)) info->i |= 0x20; break; - case CPUINFO_INT_REGISTER + CCPU_A: info->i = cpustate->A; break; - case CPUINFO_INT_REGISTER + CCPU_B: info->i = cpustate->B; break; - case CPUINFO_INT_REGISTER + CCPU_I: info->i = cpustate->I; break; - case CPUINFO_INT_REGISTER + CCPU_J: info->i = cpustate->J; break; + case CPUINFO_INT_REGISTER + CCPU_A: info->i = cpustate->A; break; + case CPUINFO_INT_REGISTER + CCPU_B: info->i = cpustate->B; break; + case CPUINFO_INT_REGISTER + CCPU_I: info->i = cpustate->I; break; + case CPUINFO_INT_REGISTER + CCPU_J: info->i = cpustate->J; break; case CPUINFO_INT_SP: - case CPUINFO_INT_REGISTER + CCPU_P: info->i = cpustate->P; break; - case CPUINFO_INT_REGISTER + CCPU_X: info->i = cpustate->X; break; - case CPUINFO_INT_REGISTER + CCPU_Y: info->i = cpustate->Y; break; - case CPUINFO_INT_REGISTER + CCPU_T: info->i = cpustate->T; break; + case CPUINFO_INT_REGISTER + CCPU_P: info->i = cpustate->P; break; + case CPUINFO_INT_REGISTER + CCPU_X: info->i = cpustate->X; break; + case CPUINFO_INT_REGISTER + CCPU_Y: info->i = cpustate->Y; break; + case CPUINFO_INT_REGISTER + CCPU_T: info->i = cpustate->T; break; /* --- the following bits of info are returned as pointers to data or functions --- */ - case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(ccpu); break; - case CPUINFO_FCT_INIT: info->init = CPU_INIT_NAME(ccpu); break; - case CPUINFO_FCT_RESET: info->reset = CPU_RESET_NAME(ccpu); break; - case CPUINFO_FCT_EXIT: info->exit = NULL; break; - case CPUINFO_FCT_EXECUTE: info->execute = CPU_EXECUTE_NAME(ccpu); break; - case CPUINFO_FCT_BURN: info->burn = NULL; break; - case CPUINFO_FCT_DISASSEMBLE: info->disassemble = CPU_DISASSEMBLE_NAME(ccpu); break; - case CPUINFO_PTR_INSTRUCTION_COUNTER: info->icount = &cpustate->icount; break; + case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(ccpu); break; + case CPUINFO_FCT_INIT: info->init = CPU_INIT_NAME(ccpu); break; + case CPUINFO_FCT_RESET: info->reset = CPU_RESET_NAME(ccpu); break; + case CPUINFO_FCT_EXIT: info->exit = NULL; break; + case CPUINFO_FCT_EXECUTE: info->execute = CPU_EXECUTE_NAME(ccpu); break; + case CPUINFO_FCT_BURN: info->burn = NULL; break; + case CPUINFO_FCT_DISASSEMBLE: info->disassemble = CPU_DISASSEMBLE_NAME(ccpu); break; + case CPUINFO_PTR_INSTRUCTION_COUNTER: info->icount = &cpustate->icount; break; /* --- the following bits of info are returned as NULL-terminated strings --- */ - case CPUINFO_STR_NAME: strcpy(info->s, "CCPU"); break; - case CPUINFO_STR_FAMILY: strcpy(info->s, "Cinematronics CPU"); break; - case CPUINFO_STR_VERSION: strcpy(info->s, "1.0"); break; - case CPUINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; - case CPUINFO_STR_CREDITS: strcpy(info->s, "Copyright Aaron Giles & Zonn Moore"); break; + case CPUINFO_STR_NAME: strcpy(info->s, "CCPU"); break; + case CPUINFO_STR_FAMILY: strcpy(info->s, "Cinematronics CPU"); break; + case CPUINFO_STR_VERSION: strcpy(info->s, "1.0"); break; + case CPUINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; + case CPUINFO_STR_CREDITS: strcpy(info->s, "Copyright Aaron Giles & Zonn Moore"); break; case CPUINFO_STR_FLAGS: - sprintf(info->s, "%c%c%c%c%c%c", - TEST_A0(cpustate) ? '0' : 'o', - TEST_NC(cpustate) ? 'N' : 'n', - TEST_LT(cpustate) ? 'L' : 'l', - TEST_EQ(cpustate) ? 'E' : 'e', - (*cpustate->external_input)(cpustate->device) ? 'M' : 'm', - TEST_DR(cpustate) ? 'D' : 'd'); - break; - - case CPUINFO_STR_REGISTER + CCPU_FLAGS: - sprintf(info->s, "FL:%c%c%c%c%c%c", - TEST_A0(cpustate) ? '0' : 'o', - TEST_NC(cpustate) ? 'N' : 'n', - TEST_LT(cpustate) ? 'L' : 'l', - TEST_EQ(cpustate) ? 'E' : 'e', - (*cpustate->external_input)(cpustate->device) ? 'M' : 'm', - TEST_DR(cpustate) ? 'D' : 'd'); - break; - - case CPUINFO_STR_REGISTER + CCPU_PC: sprintf(info->s, "PC:%04X", cpustate->PC); break; - case CPUINFO_STR_REGISTER + CCPU_A: sprintf(info->s, "A:%03X", cpustate->A); break; - case CPUINFO_STR_REGISTER + CCPU_B: sprintf(info->s, "B:%03X", cpustate->B); break; - case CPUINFO_STR_REGISTER + CCPU_I: sprintf(info->s, "I:%03X", cpustate->I); break; - case CPUINFO_STR_REGISTER + CCPU_J: sprintf(info->s, "J:%03X", cpustate->J); break; - case CPUINFO_STR_REGISTER + CCPU_P: sprintf(info->s, "P:%X", cpustate->P); break; - case CPUINFO_STR_REGISTER + CCPU_X: sprintf(info->s, "X:%03X", cpustate->X); break; - case CPUINFO_STR_REGISTER + CCPU_Y: sprintf(info->s, "Y:%03X", cpustate->Y); break; - case CPUINFO_STR_REGISTER + CCPU_T: sprintf(info->s, "T:%03X", cpustate->T); break; + sprintf(info->s, "%c%c%c%c%c%c", + TEST_A0(cpustate) ? '0' : 'o', + TEST_NC(cpustate) ? 'N' : 'n', + TEST_LT(cpustate) ? 'L' : 'l', + TEST_EQ(cpustate) ? 'E' : 'e', + (*cpustate->external_input)(cpustate->device) ? 'M' : 'm', + TEST_DR(cpustate) ? 'D' : 'd'); + break; + + case CPUINFO_STR_REGISTER + CCPU_FLAGS: + sprintf(info->s, "FL:%c%c%c%c%c%c", + TEST_A0(cpustate) ? '0' : 'o', + TEST_NC(cpustate) ? 'N' : 'n', + TEST_LT(cpustate) ? 'L' : 'l', + TEST_EQ(cpustate) ? 'E' : 'e', + (*cpustate->external_input)(cpustate->device) ? 'M' : 'm', + TEST_DR(cpustate) ? 'D' : 'd'); + break; + + case CPUINFO_STR_REGISTER + CCPU_PC: sprintf(info->s, "PC:%04X", cpustate->PC); break; + case CPUINFO_STR_REGISTER + CCPU_A: sprintf(info->s, "A:%03X", cpustate->A); break; + case CPUINFO_STR_REGISTER + CCPU_B: sprintf(info->s, "B:%03X", cpustate->B); break; + case CPUINFO_STR_REGISTER + CCPU_I: sprintf(info->s, "I:%03X", cpustate->I); break; + case CPUINFO_STR_REGISTER + CCPU_J: sprintf(info->s, "J:%03X", cpustate->J); break; + case CPUINFO_STR_REGISTER + CCPU_P: sprintf(info->s, "P:%X", cpustate->P); break; + case CPUINFO_STR_REGISTER + CCPU_X: sprintf(info->s, "X:%03X", cpustate->X); break; + case CPUINFO_STR_REGISTER + CCPU_Y: sprintf(info->s, "Y:%03X", cpustate->Y); break; + case CPUINFO_STR_REGISTER + CCPU_T: sprintf(info->s, "T:%03X", cpustate->T); break; } } |