1
0
mirror of https://github.com/cc65/cc65.git synced 2024-07-08 10:29:04 +00:00
cc65/libsrc/vic20/kbhit.s

21 lines
225 B
ArmAsm
Raw Normal View History

;
; Ullrich von Bassewitz, 06.08.1998
;
; int kbhit (void);
;
.export _kbhit
.import return0, return1
.include "vic20.inc"
_kbhit:
lda KEY_COUNT ; Get number of characters
bne L1
jmp return0
L1: jmp return1