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/**
* buttons.h - Provides ability to read button state.
* Copyright (C) 2020 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* See the GNU General Public License for more details.
*/
#ifndef BUTTONS_H_
#define BUTTONS_H_
#define BUTTON_JOYUL (1 << 7)
#define BUTTON_JOYUR (1 << 6)
#define BUTTON_JOYDR (1 << 5)
#define BUTTON_JOYDL (1 << 4)
#define BUTTON_JOY (1 << 3)
#define BUTTON_1 (1 << 2)
#define BUTTON_2 (1 << 1)
#define BUTTON_3 (1 << 0)
extern unsigned char button_state;
void buttons_init();
#endif // BUTTONS_H_
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