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2 * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
4 * SPDX-License-Identifier: GPL-2.0+
7 typedef enum {LOW
, HIGH
} level_t
;
9 //static void z80_setup_adrbus_tristate(void);
10 //static void z80_setup_adrbus_active(void);
11 //static void z80_setup_dbus_in(void);
12 //static void z80_setup_dbus_out(void);
13 //static void z80_setaddress(uint32_t addr);
14 void z80_setup_bus(void);
15 void z80_write(uint32_t addr
, uint8_t data
);
16 uint8_t z80_read(uint32_t addr
);
17 void z80_request_bus(void);
18 void z80_release_bus(void);
19 void z80_memset(uint32_t addr
, uint8_t data
, int length
);
20 void z80_reset(level_t level
);
21 void z80_reset_pulse(void);
22 void z80_busreq(level_t level
);
23 void z80_write_block(uint8_t *src
, uint32_t dest
, uint32_t length
);
24 int z80_stat_halt(void);
27 typedef enum fifo_t
{fifo_in
, fifo_out
, NUM_FIFOS
} fifo_t
;
29 void z80_memfifo_init(const fifo_t f
, uint32_t adr
);
30 int z80_memfifo_is_empty(const fifo_t f
);
31 int z80_memfifo_is_full(const fifo_t f
);
32 uint8_t z80_memfifo_getc(const fifo_t f
);
33 void z80_memfifo_putc(fifo_t f
, uint8_t val
);
35 void z80_setup_msg_fifo(void);
36 void z80_init_msg_fifo(uint32_t addr
);
37 int z80_msg_fifo_getc(void);