Check 529C8943
Auto 8224

# Run-time Variables

Var x: Num = 111
Var y: Num = 225
Var button: Num = 255

# End Run-time Variables

   1 LET button=IN 64223: LET x=IN 64479: LET y=IN 65503
   5 IF y<191 THEN PLOT x,y
  10 GO TO 1
