stm32/z80-if.h

   1 /*
   2  * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 typedef enum {LOW, HIGH} level_t;
   8
   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);
  25
  26
  27 typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t;
  28
  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);
  34
  35 void z80_setup_msg_fifo(void);
  36 void z80_init_msg_fifo(uint32_t addr);
  37 int z80_msg_fifo_getc(void);