;
; Ullrich von Bassewitz, 02.06.1998
;
; int isblank (int c);
;
; cc65 (and GNU) extension.
;
.export _isblank
.include "ctype.inc"
_isblank:
cpx #$00 ; Char range ok?
bne @L1 ; Jump if no
tay
lda __ctype,y ; Get character classification
and #CT_SPACE_TAB ; Mask blank bit
rts
@L1: lda #$00 ; Return false
tax
rts
isblank.s.html; generated on Sat Oct 13 22:41:32 2001 by ca65html