White Diamond

White Diamond
Developer: Dual Publisher: Escot Platform: PlayStation Released in JP: November 25, 1999, September 7, 2000 (Best Version) This game has debugging material. This game has a hidden sound test.

Voice Test

A hidden button combination reveals a voice test option if the player presses Up, Down, Up, Down, Square, Triangle, Circle at the PRESS START BUTTON screen. After hearing the confirmation sound, press and hold L2 + R2 + Start to reveal this menu.

(Source: Original TCRF research)

Debug Sound Test

Enabling the below code for the original version of the game will put the player in an unused sound test menu that lets you listen to music and sound effects. No text will render on-screen however.

Replace Voice Test with Debug Sound Test
D00E325C 8EF5
800E325C 8DC8

Menu text:

-------- sound debug ----------
>music =
 se    =
:REVON 
:REVOFF

In addition, at memory location 0x800e788c is a set of unused button combinations (Up, Down, Up, Down, Square, X, Circle) which would have likely revealed this menu normally.

(Source: Original TCRF research)