==CODES==

-Sound Test-
Do the following at the title screen.
+------------+---------------------------------------+
| Effect     | Code                                  |
+------------+---------------------------------------+
| Sound Test | Hold A, B, and C and then press Start |
+------------+---------------------------------------+

-View credits-
Enter the sound test code and then on the sound test menu, do the following:
+------------------+---------------------------------------+
| Effect           | Code                                  |
+------------------+---------------------------------------+
| View End Credits | hold A, B, and C and then press start |
+------------------+---------------------------------------+