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[cc65] / libsrc / common / ispunct.s
1 ;
2 ; Ullrich von Bassewitz, 02.06.1998
3 ;
4 ; int ispunct (int c);
5 ;
6
7         .export         _ispunct
8         .import         __ctype
9
10 _ispunct:
11         tay
12         lda     __ctype,y       ; Get character classification
13         eor     #$37            ; NOT (space | control | digit | char)
14         and     #$37            ; Mask relevant bits
15         rts
16