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C02/include/vic/joystk.h02
2018-09-17 19:39:46 -04:00

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/* Joystick Module Header File for VIC-20 */
#define JYSTKS $01 //Number of Joysticks
#define JOYUP $04 //Bit 2 - Up
#define JOYDN $08 //Bit 3 - Down
#define JOYLF $10 //Bit 4 - Left
#define JOYRT $01 //Bit 1 - Right
#define JOYB0 $20 //Bit 5 - Button
/* Read Joystick State *
* Args: n = Joystick Number *
* Returns: Joystick Status *
* $FF = Invalid Argument */
char joystk();