Gameboy Macro Screen Swapping

This will let you switch what screen is displayed on the bottom screen of a phat DS. This is usefull for playing some DS games on a Gameboy Macro.
It's not easy, but the main idea is to have DCLK2 go to the bottom screen (this will display the top screen down there). If the trace isn't cut, it will display the top screen, but pixels will be distorted depending what is drawn on the bottom screen normally.

This only works with DS Phat as of now, but I'll probably...

Gameboy Macro Screen Swapping