Did you know that GBA games om 3DS are not emulated? They run on the seperate ARM7TDMI CPU which is the CPU used in the real GBA!
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does that mean that the og gameboy games arent emulated too
so then why cant i use real gba cartridges on the 3ds
OG gameboy games are emulated because the 3DS lacks the Sharp SM83 CPU used in the gameboy.