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         .include        "cbm.inc"
   8         .export         _cbm_k_chkin
   9
  10
  11 _cbm_k_chkin:
  12         tax
  13         jsr     CHKIN
  14         ldx     #0              ; Clear high byte
  15         bcs     @NotOk
  16         txa
  17 @NotOk: rts
  18