view io.h @ 555:5af986d2b9da

Start work on refactoring some of the backend code to allow more sharing between M68K and Z80 cores and possibly also between x86 and the ARM backend when it exists
author Michael Pavone <pavone@retrodev.com>
date Mon, 24 Feb 2014 00:39:02 -0800
parents 140af5509ce7
children d77c79cec800
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/*
 Copyright 2013 Michael Pavone
 This file is part of BlastEm. 
 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#ifndef IO_H_
#define IO_H_
#include <stdint.h>

typedef struct {
	uint32_t th_counter;
	uint32_t timeout_cycle;
	uint8_t output;
	uint8_t control;
	uint8_t input[3];
} io_port;

#define GAMEPAD_TH0 0
#define GAMEPAD_TH1 1
#define GAMEPAD_EXTRA 2
#define GAMEPAD_NONE 0xF

void set_keybindings();
void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
void handle_keydown(int keycode);
void handle_keyup(int keycode);
void handle_joydown(int joystick, int button);
void handle_joyup(int joystick, int button);
void handle_joy_dpad(int joystick, int dpad, uint8_t state);

#endif //IO_H_