main Display.Mode(0) Canvas.Init while TRUE Canvas.Locate(0,0) k=Key.Press if k@KEY_X1 Canvas.Write("X1") if k@KEY_X2 Canvas.Write("X2") if k@KEY_X3 Canvas.Write("X3") if k@KEY_X4 Canvas.Write("X4") if k@KEY_START break if k==0 Canvas.Clear