avr/z80-if.h

   1
   2 typedef enum {LOW, HIGH} level_t;
   3
   4 void z80_setup_bus(void);
   5 void z80_write(uint32_t addr, uint8_t data);
   6 uint8_t z80_read(uint32_t addr);
   7 void z80_request_bus(void);
   8 void z80_release_bus(void);
   9 void z80_memset(uint32_t addr, uint8_t data, uint32_t length);
  10 void z80_reset(level_t level);
  11 void z80_reset_pulse(void);
  12 void z80_busreq(level_t level);
  13 void z80_write_block(const __flash uint8_t *src, uint32_t dest, uint32_t length);
  14 int z80_stat_halt(void);
  15
  16
  17 typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t;
  18
  19 void z80_memfifo_init(const fifo_t f, uint32_t adr);
  20 int z80_memfifo_is_empty(const fifo_t f);
  21 int z80_memfifo_is_full(const fifo_t f);
  22 uint8_t z80_memfifo_getc(const fifo_t f);
  23 void z80_memfifo_putc(fifo_t f, uint8_t val);
  24
  25 void z80_setup_msg_fifo(void);
  26 void z80_init_msg_fifo(uint32_t addr);
  27 int z80_msg_fifo_getc(void);