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35edb766 L |
1 | /* |
2 | * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
0c5890bb | 6 | |
f338df2a L |
7 | #define ZST_ACQUIRED 0x01 |
8 | #define ZST_RUNNING 0x02 | |
9 | ||
6035a17b | 10 | typedef enum { |
f338df2a L |
11 | RESET = 0x00, |
12 | RESET_AQRD = ZST_ACQUIRED, | |
62f624d3 L |
13 | RUNNING = ZST_RUNNING, |
14 | RUNNING_AQRD = ZST_RUNNING | ZST_ACQUIRED, | |
f338df2a L |
15 | } zstate_t; |
16 | ||
6035a17b | 17 | typedef enum { |
62f624d3 L |
18 | Reset, |
19 | Request, | |
20 | Release, | |
21 | Run, | |
22 | Restart, | |
23 | M_Cycle | |
24 | } bus_cmd_t; | |
25 | ||
0c5890bb L |
26 | typedef enum {LOW, HIGH} level_t; |
27 | ||
62f624d3 L |
28 | zstate_t z80_bus_state(void); |
29 | zstate_t z80_bus_cmd(bus_cmd_t cmd); | |
0c5890bb | 30 | void z80_setup_bus(void); |
534e1dfc | 31 | int z80_stat_reset(void); |
72f58822 | 32 | //void z80_busreq(level_t level); |
0c5890bb | 33 | int z80_stat_halt(void); |
6035a17b | 34 | |
0c5890bb | 35 | |
f338df2a L |
36 | void z80_write(uint32_t addr, uint8_t data); |
37 | uint8_t z80_read(uint32_t addr); | |
38 | void z80_memset(uint32_t addr, uint8_t data, uint32_t length); | |
ea6971b8 L |
39 | void z80_write_block_P(const FLASH uint8_t *src, uint32_t dest, uint32_t length); |
40 | void z80_write_block(const uint8_t *src, uint32_t dest, uint32_t length); | |
41 | void z80_read_block (uint8_t *dest, uint32_t src, size_t length); | |
f338df2a | 42 | |
0c5890bb | 43 | |
89adce76 | 44 | typedef enum fifo_t { |
ea6971b8 | 45 | fifo_msgin, fifo_msgout, |
ad9bc17c | 46 | fifo_conin, fifo_conout, |
89adce76 L |
47 | NUM_FIFOS |
48 | } fifo_t; | |
0c5890bb L |
49 | |
50 | void z80_memfifo_init(const fifo_t f, uint32_t adr); | |
51 | int z80_memfifo_is_empty(const fifo_t f); | |
52 | int z80_memfifo_is_full(const fifo_t f); | |
89adce76 L |
53 | int z80_memfifo_getc(const fifo_t f); |
54 | uint8_t z80_memfifo_getc_wait(const fifo_t f); | |
0c5890bb | 55 | void z80_memfifo_putc(fifo_t f, uint8_t val); |