Jazz Jackrabbit (Game Boy Advance)

Jazz Jackrabbit
Developer: Game Titan Publisher: Jaleco Platform: Game Boy Advance Released in US: November 19, 2002 Released in EU: 2003 This game has hidden developer credits. This game has hidden development-related text. This game has unused text. This game has a hidden level select.

Test Dialogue

Present at 0x3DF9BB in the US version. The text is padded with 0x00 bytes and also includes some ASCII linefeeds (0x10).

turtles
Camera script test 
Take 1.
Action!
Testing Dialog Box.
Testing Dialog Box
again.
Moving camera back.
Press START 
to play the game.
Go away.
No.
My name is Jazz
My name is Chammy
Nice to meet you
Bye bye

Sound Engine Credits

Present at 0x175B4 and 0x3DFB70 in the US version:

GAX Sound Engine 3.01 (Sep 13 2002) © Shin'en Multimedia. Code: B.Wodok

"B. Wodok" is Bernhard Wodok, who isn't listed in the game's credits.

Music Credits

As in the GBA version of Earthworm Jim, there are song names and composer credits at various locations in the game's data. This text may be part of the header for the music format used by the GAX Sound Engine. These addresses are for the US version.

0x35EC43:

"credits" © Martin Schioeler

0x35F025:

"spacelevel" © Martin Schioeler

0x35F81C:

"mainmusic" © Martin Schioeler

0x35FD35:

"castle" © Martin Schioeler

0x3603DA:

"industrial" © Martin Schioeler

0x360A2A:

"cave" © Martin Schioeler

0x360F22:

"snow" © Martin Schioeler

0x361281:

"boss1" © Martin Schioeler

0x3619A1:

"boss2" © Martin Schioeler

As with Bernhard Wodok, Martin Schioeler isn't listed in the game's credits.

Error Messages

Sound Engine Errors

Present at 0x176FC and 0x3DFCB8 in the US ROM. The text is separated by 0x00 bytes, and line breaks have been added for readability:

GAX2_INIT
OUT OF MEMORY
GAX2_NEW
PARAMS ARG IS NULL
GAX2_NEW_FX
FXPARAMS ARG IS NULL
WHEN USING DIFFERENT FX_MIXING_RATE, FLAG GAX_FX_REVERB AND GAX_HALFRATE_FX ARE NOT ALLOWED.
GAX2_JINGLE
GAX_NO_JINGLE FLAG IS SET
GAX_IRQ
GAX_PLAY HAS NOT FINISHED BEFORE GAX_IRQ. USE LOWER MIXING RATE OR LESS FX CHANNELS OR PUT GAX_PLAY IN VBLANK IRQ.
GAX_FX
YOU TRIED TO PLAY A SPEECH FX BUT HAVE NOT USED THE GAX_SPEECH FLAG WITH GAX2_INIT.
GAX2_FX
FXPARAMS->FXID IS GAX_DEFAULT

Additional text is at 0x17A00 and 0x3DFFBC:

GAX ENGINE V3.01 Sep 13 2002
EXCEPTION. PROGRAM HALT.
FUNCTION NAME:

Other Error Messages

Located at 0x3DCDD8:

LEVEL DOES NOT FIT

Level Select

Press Left, Down, L, L, Up, Down, R, Right, Up, Right, L, R at the main menu. A Level Select option will appear at the bottom of the menu.

(Source: SupaSaiyajinBob (GameFAQs))