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keypresses from the keypad. Includes sample program illustrating how to use them. Tested on real KIM-1 hardware.
19 lines
324 B
ArmAsm
19 lines
324 B
ArmAsm
;
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; int __fastcall__ getkey();
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;
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.include "kim1.inc"
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.import popa
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.export _getkey
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.proc _getkey
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jsr KEYIN ; Open up keyboard channel
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jsr GETKEY ; Get key code
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ldx #0 ; MSB of return value is zero
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rts
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.endproc
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