'link' | Gamehacking.org
Speedrunners need to practice specific segments. Using , a runner can teleport to the final boss room of Super Metroid , practice the fight for 30 minutes, and reset. This is impossible without RAM manipulation.
In the early 1990s, Codemasters and Galoob introduced the . This device intercepted the data lines of a game cartridge, allowing players to input alphanumeric codes. These codes temporarily patched the game's ROM data, changing variables like player health, ammunition, or jump height. The Rise of Action Replay and GameShark GameHacking.org