Attack Animal Gakuen

Attack Animal Gakuen
Also known as: Attack Animal School Developers: Newtopia Planning, Scitron & Art Publisher: Pony Canyon Platform: NES Released in JP: December 26, 1987 This game has debugging material.

Just like Space Harrier... with the alien enemies and bosses disguised as mad animals on brain steroids. Oh wait, they are mad animals on brain steroids.

Hidden Text

RESET routine in this game uses the string "C.YAMAMO" to determine if the game was soft or hard reset.

Memory Viewer

The Game Genie code EASGZZAA activates a simple memory viewer/editor. A four-digit address and two-digit data string will appear in the bottom right corner of the screen. Press Start to pause the game, then press Left or Right to switch between digits, A or B to increase/decrease the current address by 1, and Up or Down to change address/data digits. All changes are applied immediately.

Transfer Test

One more debug leftover can be found in the game's code. Use Game Genie codes AVKKTXUE+UKKKYZVK to replace Memory View routine with this new routine. Pause the game then press A on controller 2 to see the test messages on the screen. "Transfer" here means the PPU data transfer. The routine sends messages "TRANSFER TEST ROUTINE" and "3D GAME SPACE ANIMAL" to two different screen pages. The first one is visible normally during the game and strings lengths here are truncated. The second one is visible as a second page in "3d" game mode (press Select during the game to toggle it on or off). As you can see, the "3D GAME..." string here is also truncated and never displayed with a full length.