Reading/Writing NDS save files through ARCHIVE_CARD_SPIFS


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Main - Homebrew discussion - Reading/Writing NDS save files through ARCHIVE_CARD_SPIFS

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TuxSH

Posted on 12-27-15 08:33 PM

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I'm currently developping an homebrew for dumping/writing back save files from/to NDS cartridges (which needs to be in the CIA format, as it requires some additionnal permissions).

What I've been able to do:
- Dump a save file of a "normal" NDS cartridge (Pokémon Platinum, 512KB) successfully

The issues I'm encountering:
- Get the save file size in a reliable way. According to FSFILE_GetSize, cardspi:/ is ~256 MB iirc)
- Write a modified save file back
- Read the save file from a cartridge with an infrared chip (e.g Pokémon HG)

Does anybody know how to solve these issues?

Main - Homebrew discussion - Reading/Writing NDS save files through ARCHIVE_CARD_SPIFS

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