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author | Leo C | 2014-08-18 23:40:36 +0200 |
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committer | Leo C | 2014-08-18 23:40:36 +0200 |
commit | f338df2abc35f85961aa6266458f94ea2a102b81 (patch) | |
tree | 2f608280c2368cda835b6de19fa0ff8f6c85dfd7 /avr/z80-if.h | |
parent | 1da3acc4b7215e76d459905c3e74675ffa679ce0 (diff) | |
download | z180-stamp-f338df2abc35f85961aa6266458f94ea2a102b81.zip |
Command 'go <startaddr>' works now
Add debug command to display AVR RAM
Diffstat (limited to 'avr/z80-if.h')
-rw-r--r-- | avr/z80-if.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/avr/z80-if.h b/avr/z80-if.h index a2617ce..b656447 100644 --- a/avr/z80-if.h +++ b/avr/z80-if.h @@ -1,20 +1,35 @@ +#define ZST_ACQUIRED 0x01 +#define ZST_RUNNING 0x02 + +typedef enum { + RESET = 0x00, + RESET_AQRD = ZST_ACQUIRED, + RUN = ZST_RUNNING, + RUN_AQRD = ZST_RUNNING | ZST_ACQUIRED, +} zstate_t; + typedef enum {LOW, HIGH} level_t; +zstate_t z80_runstate(void); void z80_setup_bus(void); -void z80_write(uint32_t addr, uint8_t data); -uint8_t z80_read(uint32_t addr); void z80_request_bus(void); void z80_release_bus(void); -void z80_memset(uint32_t addr, uint8_t data, uint32_t length); -void z80_reset(level_t level); +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); -int z80_runstate(void); //void z80_busreq(level_t level); -void z80_write_block(const FLASH uint8_t *src, uint32_t dest, uint32_t length); +void z80_busreq_hpulse(void); int z80_stat_halt(void); +void z80_write(uint32_t addr, uint8_t data); +uint8_t z80_read(uint32_t addr); +void z80_memset(uint32_t addr, uint8_t data, uint32_t length); +void z80_write_block(const FLASH uint8_t *src, uint32_t dest, uint32_t length); + typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t; |