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Are Pokémon red and blue save files interchangeable? Meaning, a save file could be read by either cartage as though it were 'native'. Red opened by blue, blue by red.
I've never experimented with this, and I'm amazed it never occurred to me. It could be interesting to swap between two different roms (or carts if you've got a dumper) to catch them all as you go along, rather than wait to trade after the fact.
I'm sure Yellow must be different somehow... would this just be offsets? I have no idea how the games are distinguished from one another from a programming perspective.