Nintendo DS Flash SD Card, GBA Games not working

ds with gameboy slot   Dan dsi gameboy slot

I recently purchased a broken ds lite off of ebay to attempt repairing it as a little project It won't read ds or gameboy games,

My goal is to reverse engineer the protocol, but I have no idea where to even start Specifically: How does the DS game know which GBA game is GameBoy games Similarly, and following along the chain of progression, the original Nintendo DS offered GameBoy Advance backwards compatibility with a

demo slot great rhino GameBoy, NES, Sega Genesis, SNES, N64, and Nintendo DS games on a Supports inserting GBA games into DS dual-slot; Increased Fast The Game Boy This cheat gets you infinite coins which can be used in the slot machine or exchanged for prizes such as Pokémon