1
0
mirror of https://github.com/cc65/cc65.git synced 2024-07-07 04:29:01 +00:00
cc65/libsrc/geos-cbm/conio/kbhit.s
2012-01-31 20:49:58 +00:00

23 lines
359 B
ArmAsm

;
; Maciej 'YTM/Elysium' Witkowiak
;
; 27.10.2001
; unsigned char kbhit (void);
.export _kbhit
.include "geossym.inc"
.proc _kbhit
ldx #0 ; High byte of result
lda pressFlag
rol ; Bit 7 is new key flag
txa ; A = 0
rol
rts
.endproc