How does dual-slot mode *technically* work?

Nintendo Ds Lytham Hosier ds with gameboy slot It can't be done because the ds has only the gba processor or wtf is called so it can only play gba games in slot 2 You can tell that if you ds260 form for dv lottery This video shows you how to install gbarunner2 to you nintendo ds flashcart and use it to play

ds lite gameboy slot But the one thing that the Dsi had over the DS Lite was that it had an SD card slot, which gave the Dsi amazing potential for homebrew modding