- lda KEY_STROBE
- bpl _cgetc ; if < 128, no key pressed
- ;; At this time, the high bit of the key pressed
- ;; is set
- sta CLEAR_KEY_STROBE; clear keyboard strobe
- bit OPEN_APPLE ; check if OpenApple is down
- bmi pressed
- and #$7F ; If not down, then clear high bit
-pressed:
- ldx #0
- rts
-
\ No newline at end of file
+ lda KBD
+ bpl _cgetc ; If < 128, no key pressed
+
+ ; At this time, the high bit of the key pressed is set
+ bit KBDSTRB ; Clear keyboard strobe
+ .ifdef __APPLE2ENH__
+ bit BUTN0 ; Check if OpenApple is down
+ bmi done
+ .endif
+ and #$7F ; If not down, then clear high bit
+done: ldx #$00
+ rts