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64 lines
2.0 KiB
Plaintext
64 lines
2.0 KiB
Plaintext
/* Module Development on Hold until R36 */
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/* Joystick Functions for Commander X-16 Computer *
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* Supports Keyboard, NES, and SNES Controllers *
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* A and B on Keyboard and SNES Controller and *
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* A, B, X, Y on SNES Controller are all *
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* mapped to the joystick button JOYB0 *
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* Individual button status and Controller Type *
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* are returned as extended results */
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/* Keyboard to NES Controller Mappings *
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* Key: Ctrl Alt Space Enter Up Down Left Right *
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* NES: A B Select Start Up Down Left Right */
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#define JYSTKS 2 //Number of Joysticks
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//Joystick Result Bitmasks
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#define JOYUP $08 //Up
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#define JOYDN $04 //Down
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#define JOYLF $02 //Left
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#define JOYRT $01 //Right
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#define JOYB0 $C0 //Button
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//Extended Result Bitmasks
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#define JOYBA $80 //A Button
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#define JOYBB $40 //B Button
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#define JOYSL $20 //Select
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#define JOYST $10 //Start
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#define JOYBL $08 //Left Button
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#define JOYBR $04 //Right Button
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#define JOYBX $02 //X Button
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#define JOYBY $01 //Y Button
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//Controller Types
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#define JOYKBD $00 //Keyboard (NES Emulation)
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#define JOYNES $01 //NES Controller
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#define JOYSNS $02 //SNS Controller
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struct joysts {char btnsts, extsts, status;};
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struct joysts joy0, joy1;
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/* Read Joystick Status *
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* Args: j = Joystick Number *
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* Returns: char j = Joystick Status *
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* $FF = Not Present *
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* char x = Extended Status *
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* char t = Controller Type */
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char joystk();
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/* Get Joystick Raw Status *
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* X16 Specific System Routine *
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* Args: j = Joystick Number *
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* Returns: char j = Joystick Raw Status Bits *
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* char x = Extended Raw Status Bits *
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* char t = Joystick Status *
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* $FF = Not Present */
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char joyget();
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/* Query Joysticks and Save State *
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* X16 Specific System Routine *
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* Called by the default interrupt handler */
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void joyscn();
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