stm32/z80-if.h

   1
   2 typedef enum {LOW, HIGH} level_t;
   3
   4 //static void z80_setup_adrbus_tristate(void);
   5 //static void z80_setup_adrbus_active(void);
   6 //static void z80_setup_dbus_in(void);
   7 //static void z80_setup_dbus_out(void);
   8 //static void z80_setaddress(uint32_t addr);
   9 void z80_setup_bus(void);
  10 void z80_write(uint32_t addr, uint8_t data);
  11 uint8_t z80_read(uint32_t addr);
  12 void z80_request_bus(void);
  13 void z80_release_bus(void);
  14 void z80_memset(uint32_t addr, uint8_t data, int length);
  15 void z80_reset(level_t level);
  16 void z80_reset_pulse(void);
  17 void z80_busreq(level_t level);
  18 void z80_write_block(uint8_t *src, uint32_t dest, uint32_t length);
  19 int z80_stat_halt(void);
  20
  21 #define rx_fifo         0x7c0f7
  22 #define tx_fifo         0x7c11a
  23
  24 typedef enum {fifo_in, fifo_out} fifo_t;
  25
  26 void z80_memfifo_init(void);
  27 int z80_memfifo_is_empty(fifo_t f);
  28 int z80_memfifo_is_full(fifo_t f);
  29 uint8_t z80_memfifo_getc(fifo_t f);
  30 void z80_memfifo_putc(fifo_t f, uint8_t val);
  31
  32 void z80_setup_io_infifo(void);
  33 int z80_io_infifo_getc(void);