git.sur5r.net Git - cc65/blob - libsrc/cbm/c_chkin.s

   1 ;
   2 ; Marc 'BlackJack' Rintsch, 20.03.2001
   3 ;
   4 ; unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
   5 ;
   6
   7         .export         _cbm_k_chkin
   8         .import         CHKIN
   9
  10 _cbm_k_chkin:
  11         tax
  12         jsr     CHKIN
  13         ldx     #0              ; Clear high byte
  14         bcs     @NotOk
  15         txa
  16 @NotOk: rts
  17