Dick Tracy [Model DMG-DK-USA]

Secret passwords:
47214 - Enables the Debug mode. There is no any indication when you enter this pass correctly. But now, during the game:
Press Up + Select + Start to toggle invincibility.
Press A + Select + Start to skip to the next stage.
Press B + Select + Start to deduce one continue without any indication as well.
Also you can see the player's coordinates at the bottom-left corner of the pause screen.