diff options
Diffstat (limited to 'avr/z80-if.h')
-rw-r--r-- | avr/z80-if.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/avr/z80-if.h b/avr/z80-if.h index b656447..b02fe23 100644 --- a/avr/z80-if.h +++ b/avr/z80-if.h @@ -5,24 +5,26 @@ typedef enum { RESET = 0x00, RESET_AQRD = ZST_ACQUIRED, - RUN = ZST_RUNNING, - RUN_AQRD = ZST_RUNNING | ZST_ACQUIRED, + RUNNING = ZST_RUNNING, + RUNNING_AQRD = ZST_RUNNING | ZST_ACQUIRED, } zstate_t; +typedef enum { + Reset, + Request, + Release, + Run, + Restart, + M_Cycle +} bus_cmd_t; + typedef enum {LOW, HIGH} level_t; -zstate_t z80_runstate(void); +zstate_t z80_bus_state(void); +zstate_t z80_bus_cmd(bus_cmd_t cmd); void z80_setup_bus(void); -void z80_request_bus(void); -void z80_release_bus(void); -zstate_t z80_request_bus_save(void); -void z80_release_bus_save(zstate_t prev); -void z80_reset(void); -void z80_reset_pulse(void); -void z80_run(void); int z80_stat_reset(void); //void z80_busreq(level_t level); -void z80_busreq_hpulse(void); int z80_stat_halt(void); void z80_write(uint32_t addr, uint8_t data); |