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0c5890bb L |
1 | |
2 | typedef enum {LOW, HIGH} level_t; | |
3 | ||
64045ba0 L |
4 | typedef union { |
5 | uint32_t l; | |
6 | uint16_t w[2]; | |
7 | uint8_t b[4]; | |
8 | } addr_t; | |
9 | ||
10 | ||
0c5890bb L |
11 | void z80_setup_bus(void); |
12 | void z80_write(uint32_t addr, uint8_t data); | |
13 | uint8_t z80_read(uint32_t addr); | |
14 | void z80_request_bus(void); | |
15 | void z80_release_bus(void); | |
16 | void z80_memset(uint32_t addr, uint8_t data, uint32_t length); | |
17 | void z80_reset(level_t level); | |
18 | void z80_reset_pulse(void); | |
19 | void z80_busreq(level_t level); | |
20 | void z80_write_block(uint8_t *src, uint32_t dest, uint32_t length); | |
21 | int z80_stat_halt(void); | |
22 | ||
23 | ||
24 | typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t; | |
25 | ||
26 | void z80_memfifo_init(const fifo_t f, uint32_t adr); | |
27 | int z80_memfifo_is_empty(const fifo_t f); | |
28 | int z80_memfifo_is_full(const fifo_t f); | |
29 | uint8_t z80_memfifo_getc(const fifo_t f); | |
30 | void z80_memfifo_putc(fifo_t f, uint8_t val); | |
31 | ||
32 | void z80_setup_msg_fifo(void); | |
33 | void z80_init_msg_fifo(uint32_t addr); | |
34 | int z80_msg_fifo_getc(void); |