The memcardpro
utility currently allows you to split a generic memory card image into separate per-game memory cards for use on the 8BitMods MemCard PRO with a supported ODE such as MODE or XStation on the Sony PlayStation 1, or Swiss on the Nintendo GameCube.
Installation:
go install github.com/bodgit/memcardpro@latest
Or grab a pre-built binary from the releases page.
A quick demo: