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24 lines
314 B
ArmAsm
24 lines
314 B
ArmAsm
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; Christian Groessler, 19-Feb-2000
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; unsigned char kbhit (void);
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;
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.export _kbhit
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.import return1
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.include "atari.inc"
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.proc _kbhit
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ldx CH ; last pressed key
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inx ; 255 means "no key"
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bne L1
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txa ; X = A = 0
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rts
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L1: jmp return1
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.endproc
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