I believe this "issue" is not related to my SD card (Sandisk Ultra II) or M3 Lite, but instead to the FAT library used. I took a peek at the source code for scummvm and found out you are using gba_nds_fat (or some derivative of it). It seems as if this library only writes to one of the FAT...

When ever I play ScummVM om my M3 Lite and save a game I get a file system with minor errors. Using fsck in linux, it reports that the two FATs differ and also a wrong "free cluster summary". The second FAT seems to be more inconsistent with the actual file system and specifically with fil...

Just donated £10 to the cause. Just love the DS port of ScummVM. Thanks!