41 lines
978 B
C
41 lines
978 B
C
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include "common/buffers.h"
|
|
|
|
extern volatile uint32_t z80_vect;
|
|
extern volatile uint8_t z80_irq;
|
|
extern volatile uint8_t z80_nmi;
|
|
extern volatile uint8_t z80_res;
|
|
extern uint8_t z80_rom[2*1024];
|
|
#define z80_ram private_memory
|
|
extern volatile uint8_t *pcpi_reg;
|
|
|
|
#define clr_z80_stat { pcpi_reg[2] &= ~0x80; }
|
|
#define set_z80_stat { pcpi_reg[2] |= 0x80; }
|
|
#define rd_z80_stat (pcpi_reg[2] >> 7)
|
|
|
|
#define clr_6502_stat { pcpi_reg[3] &= ~0x80; }
|
|
#define set_6502_stat { pcpi_reg[3] |= 0x80; }
|
|
#define rd_6502_stat (pcpi_reg[3] >> 7)
|
|
|
|
typedef struct ctc_s {
|
|
uint8_t control;
|
|
uint8_t counter;
|
|
uint8_t preload;
|
|
} ctc_t;
|
|
|
|
extern volatile ctc_t ctc[4];
|
|
extern volatile uint8_t ctc_vector;
|
|
|
|
typedef struct sio_s {
|
|
uint8_t control[8];
|
|
uint8_t status[2];
|
|
uint8_t data;
|
|
uint8_t datavalid;
|
|
uint32_t baudrate;
|
|
} sio_t;
|
|
|
|
extern volatile sio_t sio[2];
|
|
extern volatile uint8_t sio_vector;
|