This is part of YEA - Battle Engine, one of my favorite systems in it is the debug controls. This script contains only those controls. You can read more about it in the comments section of the code, which explains which controls do what.
This script should work with almost...
Developer Console Script V1.3
Created by Neon Black
What is it?
This script adds a developer console to your RPG Maker Ace game similar to the developer console in valve games created in the source engine. This console can be accessed by pressing the assigned key (tilde by default)...