crater/src/io.h

/* Copyright (C) 2014-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
   Released under the terms of the MIT License. See LICENSE for details. */

#pragma once

#include <stdbool.h>
#include <stdint.h>

#include "vdp.h"

/* Structs */

typedef struct {
    VDP *vdp;
    bool except;
    uint8_t exc_port;
} IO;

/* Functions */

void io_init(IO*, VDP*);
void io_power(IO*);
bool io_check_irq(IO*);
uint8_t io_port_read(IO*, uint8_t);
void io_port_write(IO*, uint8_t, uint8_t);