while the ds doesn't normally play gba games multiplayer at all, couldn't someone make a program to boot, not emulate, slot 2 through the firmware, similar to r4ds/m3 simply, but emulate an actual connection as if between gbas? for example, pc gba emulators can link before hand and simulate multiplayer through a network connection?
has anyone done this? is it even possible?
has anyone done this? is it even possible?