Creating
                Animations
              
              Simple Animation.
              You can create
                a sort of animation by rapidly printing a series of custom characters
                at the same screen position. 
               Animation in
                Multiple Locations. 
              There's
                a useful side effect to the way the LCD controller uses CG RAM.
                Normally, we define a pattern in CG RAM, then print the character.
                But you can also change the CG RAM for characters that are already
                on the screen, and their appearance will change.
                This opens up two neat
                possibilities: