git.sur5r.net Git - cc65/blob - libsrc/c64/soft80_chline.s

   1 ;
   2 ; void chlinexy (unsigned char x, unsigned char y, unsigned char length);
   3 ; void chline (unsigned char length);
   4 ;
   5
   6         .export         soft80_chlinexy, soft80_chline
   7         .import         popa, _gotoxy, cputdirect ; FIX/CHECK
   8         .importzp       tmp1
   9
  10 soft80_chlinexy:
  11         pha                     ; Save the length
  12         jsr     popa            ; Get y
  13         jsr     _gotoxy         ; Call this one, will pop params
  14         pla                     ; Restore the length
  15
  16 soft80_chline:
  17         cmp     #0              ; Is the length zero?
  18         beq     L9              ; Jump if done
  19         sta     tmp1
  20 L1:     lda     #96             ; Horizontal line, screen code
  21         jsr     cputdirect      ; Direct output
  22         dec     tmp1
  23         bne     L1
  24 L9:     rts
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