==CODES==

-Title Screen codes.-
On the title screen, press....
+---------------------------------------------------------------------+-------------------------------------+
| Code                                                                | Effect                              |
+---------------------------------------------------------------------+-------------------------------------+
| Up, Down, Left, Right, A, B, Start                                  | Sound Test                          |
| Up, Up, Down, Down, Left, Right, Left, Right, B, A, B, A, and Start | Stage Select                        |
| Up(x4), Down(x4), Left(x4), Right(x4), B, A, and Start              | Start the game with 10 extra lives. |
+---------------------------------------------------------------------+-------------------------------------+