git.sur5r.net Git - cc65/blob - libsrc/geos-cbm/graph/drawline.s

   1
   2 ;
   3 ; Maciej 'YTM/Elysium' Witkowiak
   4 ;
   5 ; 29.10.99, 5.03.2003
   6
   7 ; void DrawLine         (char mode, struct window *mywindow);
   8
   9             .import _InitDrawWindow
  10             .import popa
  11             .importzp tmp1
  12             .export _DrawLine
  13
  14             .include "jumptab.inc"
  15             .include "geossym.inc"
  16             .include "geosmac.ca65.inc"
  17
  18 _DrawLine:
  19             tay
  20             PushW r2
  21             tya
  22             jsr _InitDrawWindow
  23             MoveW r2, r11
  24             PopW r2
  25             jsr popa
  26             sta tmp1
  27             clc
  28             bit tmp1
  29             bvc @1
  30             sec
  31 @1:         jmp DrawLine