;
.export _ispunct
- .import __ctype
+ .include "ctype.inc"
_ispunct:
cpx #$00 ; Char range ok?
bne @L1 ; Jump if no
tay
lda __ctype,y ; Get character classification
- eor #$37 ; NOT (space | control | digit | char)
- and #$37 ; Mask relevant bits
+ eor #CT_NOT_PUNCT ; NOT (space | control | digit | alpha)
+ and #CT_NOT_PUNCT ; Mask relevant bits
rts
@L1: lda #$00 ; Return false