Topic: Are the GBA slots on the DS and GBA interchangeable?

Load GBA rom and save as an emulated Slot-2 for DS games that ds with gameboy slot Game Boy Advance SP Game Gear GameSlot Kit SKU GG0043 £ ds gameboy slot 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

ds slot About this item I'm happy to introduce a brand new mod for the original DSgameboy Macro XLGameboy Advance Its a GBA slot cover with built in LED's in a