DecapAttack

DecapAttack
Also known as: DecapAttack: Starring Chuck D. Head (title screen), Magical Hat no Buttobi Turbo! Daibouken (JP) Developer: Vic Tokai Publisher: Sega Platform: Genesis Released in JP: December 15, 1990 Released in US: 1991 Released in EU: 1991 This game has debugging material. This game has a hidden sound test. This game has a hidden level select. This game has regional differences.

Regional Differences

To do: More sprite differences

Title Screen

The Japanese game was entirely reworked for the overseas markets.

Japan	US/Europe

Round Select

This code only works in DecapAttack.

In Options, move the cursor to Exit. Next, press Right, Left (×2), Right (×3), Left (×2), A. The Round Select text appears. Toggle it ON, and when you begin a game the Round Select menu appears:

Memory address $FFC374 is set to 0002 when the code is successfully entered, and memory address $FFC376 is set to 0001 when the round select is toggled on. The 9-button-press pattern begins at address $033AD2.

Debug Menu

This code only works in Magical Hat.

Programming for a debug menu starts at address $0088BE. The only known way to reach it is through game enhancer codes. Enable these codes at the title screen, then begin a new game to open the menu.

Action Replay	Game Genie
005792:6100 005794:15A0 005796:6100 005798:3126	ABMT-AC6W YBMT-BLEY ABMT-AC60 E3MT-BCN2

Instructions

• Main Menu
  • Round Select: Choose the starting stage.
  • Normal/Muteki: Enable invincibility.
  • Game/Map Check: Toggle a free movement map viewer mode.
    • Press A to switch to the next field.
    • Press B to switch to the Sound Test.
    • Press Start to exit.
• Sound Test
  • Press C to play a song or sound.
  • Press B to switch to the Main Menu.
  • Press A to reset the index to E0.

(Source: JLukas)