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C02/include/atari/joystk.h02
2018-11-07 00:11:09 -05:00

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/* Joystick Module Header File for Atari 400 & 800 */
#define JYSTKS 4 //Number of Joysticks
#define JOYUP $01 //Bit 0 - Up
#define JOYDN $02 //Bit 1 - Down
#define JOYLF $04 //Bit 2 - Left
#define JOYRT $08 //Bit 3 - Right
#define JOYB0 $10 //Bit 4 - Button
/* Read Joystick State *
* Args: n = Joystick Number *
* Returns: Joystick Status *
* $FF = Invalid Argument */
char joystk();