cc65/libsrc/c128/kbhit.s

;
; Ullrich von Bassewitz, 18.08.1998
;
; unsigned char kbhit (void);
;

	.export		_kbhit

	.include	"c128.inc"


.proc   _kbhit

        ldx     #0              ; High byte of return is always zero
	lda	KEY_COUNT	; Get number of characters
;	ora	FKEY_COUNT	; Or with number of chars from function keys
        beq     L9
        lda     #1
L9:     rts

.endproc