From the RICM PDP-12 restoration blog: TANK displays two tanks and some obstacles on the VT14 display. The tanks make little sparkles when they blow up, but then reappear. Right 2 up Tank 1 drive backwards Right 2 down Tank 1 drive forwards Right 3 up Tank 2 normal Right 3 down Tank 1 steer left Right 4 up Tank 2 normal Right 4 down Tank 1 steer right Right 5 up Tank 1 fire cannon Right 8 up Tank 2 drive backwards Right 8 down Tank 2 drive forwards Right 9 up Tank 2 normal Right 9 down Tank 2 steer right Right 10 up Tank 2 normal position Right 10 down Tank 2 steer left Right 11 up Tank 2 fire cannon