From 0c5890bb8c70f34026315c9c5a1878cfd0bbea0d Mon Sep 17 00:00:00 2001 From: Leo C Date: Wed, 2 Jul 2014 15:24:17 +0200 Subject: New sub dir: avr. --- avr/z80-if.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 avr/z80-if.h (limited to 'avr/z80-if.h') diff --git a/avr/z80-if.h b/avr/z80-if.h new file mode 100644 index 0000000..1068225 --- /dev/null +++ b/avr/z80-if.h @@ -0,0 +1,27 @@ + +typedef enum {LOW, HIGH} level_t; + +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); +void z80_reset_pulse(void); +void z80_busreq(level_t level); +void z80_write_block(uint8_t *src, uint32_t dest, uint32_t length); +int z80_stat_halt(void); + + +typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t; + +void z80_memfifo_init(const fifo_t f, uint32_t adr); +int z80_memfifo_is_empty(const fifo_t f); +int z80_memfifo_is_full(const fifo_t f); +uint8_t z80_memfifo_getc(const fifo_t f); +void z80_memfifo_putc(fifo_t f, uint8_t val); + +void z80_setup_msg_fifo(void); +void z80_init_msg_fifo(uint32_t addr); +int z80_msg_fifo_getc(void); -- cgit v1.2.3