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1 ;
2 ; Ullrich von Bassewitz, 02.06.1998
3 ;
4 ; int isalnum (int c);
5 ;
6
7         .export         _isalnum
8         .import         __ctype
9
10 _isalnum:
11         tay
12         lda     __ctype,y       ; Get character classification
13         and     #$07            ; Mask character/digit bits
14         rts
15