diff options
Diffstat (limited to 'src/emu/cpu/pdp1/tx0.h')
-rw-r--r-- | src/emu/cpu/pdp1/tx0.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/emu/cpu/pdp1/tx0.h b/src/emu/cpu/pdp1/tx0.h new file mode 100644 index 00000000000..e1b7acdcdca --- /dev/null +++ b/src/emu/cpu/pdp1/tx0.h @@ -0,0 +1,50 @@ +#include "cpuintrf.h" + + +/* register ids for tx0_get_reg/tx0_set_reg */ +enum +{ + TX0_MBR=1, TX0_AC, TX0_MAR, TX0_PC, TX0_IR, TX0_LR, TX0_XR, TX0_PF, + TX0_TBR, TX0_TAC, + TX0_TSS00, TX0_TSS01, TX0_TSS02, TX0_TSS03, TX0_TSS04, TX0_TSS05, TX0_TSS06, TX0_TSS07, + TX0_TSS10, TX0_TSS11, TX0_TSS12, TX0_TSS13, TX0_TSS14, TX0_TSS15, TX0_TSS16, TX0_TSS17, + TX0_CM_SEL, TX0_LR_SEL, TX0_GBL_CM_SEL, + TX0_STOP_CYC0, TX0_STOP_CYC1, + TX0_RUN, TX0_RIM, + TX0_CYCLE, TX0_IOH, TX0_IOS, + TX0_RESET, /* hack, do not use directly, use tx0_pulse_reset instead */ + TX0_IO_COMPLETE /* hack, do not use directly, use tx0_pulse_io_complete instead */ +}; + +#define tx0_pulse_reset() cpunum_set_reg(0, TX0_RESET, 0) +#define tx0_pulse_io_complete() cpunum_set_reg(0, TX0_IO_COMPLETE, 0) + +typedef struct tx0_reset_param_t +{ + /* 8 standard I/O handlers: + 0: cpy (8kW only) + 1: r1l + 2: dis + 3: r3l + 4: prt + 5: reserved (for unimplemented typ instruction?) + 6: p6h + 7: p7h */ + void (*io_handlers[8])(void); + /* select instruction handler */ + void (*sel_handler)(void); + /* callback called when reset line is pulsed: IO devices should reset */ + void (*io_reset_callback)(void); +} tx0_reset_param_t; + +/* PUBLIC FUNCTIONS */ +void tx0_64kw_get_info(UINT32 state, cpuinfo *info); +void tx0_8kw_get_info(UINT32 state, cpuinfo *info); + +#define READ_TX0_18BIT(A) ((signed)program_read_dword_32be((A)<<2)) +#define WRITE_TX0_18BIT(A,V) (program_write_dword_32be((A)<<2,(V))) + +#ifdef MAME_DEBUG +unsigned tx0_dasm_64kw(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram); +unsigned tx0_dasm_8kw(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram); +#endif /* MAME_DEBUG */ |