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Diffstat (limited to 'source/buttons.h')
| -rw-r--r-- | source/buttons.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/source/buttons.h b/source/buttons.h new file mode 100644 index 0000000..ba7e02d --- /dev/null +++ b/source/buttons.h @@ -0,0 +1,34 @@ +/** + * 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) + +#define BUTTON_JOYUP (BUTTON_JOYUL | BUTTON_JOYUR) +#define BUTTON_JOYDOWN (BUTTON_JOYDL | BUTTON_JOYDR) +#define BUTTON_JOYLEFT (BUTTON_JOYUL | BUTTON_JOYDL) +#define BUTTON_JOYRIGHT (BUTTON_JOYUR | BUTTON_JOYDR) + +extern unsigned char button_state; + +void buttons_init(); + +#endif // BUTTONS_H_ + |