Changes

Inserting a GBA card cartridges in Slot-2 in a of the Nintendo DS unit (that's not a DSi) while a DS game is running could can unlock various gameplay features in some DS games. DeSmuME can emulate It's unknown if NO$GBA supports this: while playing the DS ROM, go but it can be done in DeSmuME by going to "Config, > Slot 2 (GBA Slot)" and select "selecting GBA Cartridge". Now select Select the GBA ROM file, and make sure its sav file is in the same folder. You may need to reset the game sometimes for it to see the take effect in-game. Features However, DeSmuME does not support features like the solar sensor from GBA Boktai cartridges used in Boktai DS (Lunar Knight) using the GBA Boktai cartridges in Slot-2 are not emulated yet on the other hand.