mirror of
https://github.com/cc65/cc65.git
synced 2024-12-23 19:29:37 +00:00
19 lines
259 B
ArmAsm
19 lines
259 B
ArmAsm
|
;;
|
||
|
|
;; Kevin Ruland
|
||
|
|
;;
|
||
|
|
;; int kbhit (void);
|
||
|
|
;;
|
||
|
|
|
||
|
|
.export _kbhit
|
||
|
|
|
||
|
|
.import return0, return1
|
||
|
|
|
||
|
|
.include "apple2.inc"
|
||
|
|
|
||
|
|
_kbhit:
|
||
|
|
bit KEY_STROBE ; Reading strobe checks for keypress
|
||
|
|
bmi L1 ; if KEY_STROBE > 127 key was pressed
|
||
|
|
jmp return0
|
||
|
|
L1:
|
||
|
|
jmp return1
|