Kanon (PlayStation 2)
With the below code on, selecting デバッグ (debug) in the pause menu will turn on debug mode. This will unlock everything in the game, display debug information on-screen, and will open a debug menu when starting a new game.
SLPM-65842 codes: Master Code (only needed for cheat devices) 901ACFB8 0C06B396 Enable Debug Mode 202164D0 00000001
Starting a new game with debug mode active will present you with this menu. This allows you to view various scenes.
Progressive Display Mode (640x480p)
Holding Triangle + X when the game is first starting up will allow you to turn on progressive mode.