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When Action Replay gets loaded by the console, the enhancer is what launches the actual game. In doing so, it leaves behind a Code Handler in the system RAM and "hooks" the game's programming.

Specific locations in a game's programming that get executed roughly every frame (like reading the controller data) are where "hooks" will be placed. (because SDKs are used, this makes finding hooks that work in all games for a system much easier)

What the hook actually does is redirect the flow of programming to the Code Handler the enhancer left behind. Once the Code Handler is finished executing, it returns the flow of programming back to the point of hijacking.

The "Master Code", is what sets the hook without it all the other codes are useless.

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12y ago

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