The GBA and DS make extensive use of compression in the files.
Probably the most popular compression type is LZSS and there are several variations upon it usually noted by a flag/hexadecimal magic stamp in the initial bytes of compression or just before.
type 10 is the most common and oldest, so called BIOS compatible and as such SWI calls in the BIOS for it. Most LZSS compression tools you will find geared towards GBA and DS stuff use this method.
type 11 appeared some time back and was incompatible with type 10, crystaltile2 was among the first applications to support it.
type 40 according to the NFO at least appeared recently in the DS release of Golden Sun.
It supports both compression and decompression and should support ARM9 binaries and overlays.
Probably the most popular compression type is LZSS and there are several variations upon it usually noted by a flag/hexadecimal magic stamp in the initial bytes of compression or just before.
type 10 is the most common and oldest, so called BIOS compatible and as such SWI calls in the BIOS for it. Most LZSS compression tools you will find geared towards GBA and DS stuff use this method.
type 11 appeared some time back and was incompatible with type 10, crystaltile2 was among the first applications to support it.
type 40 according to the NFO at least appeared recently in the DS release of Golden Sun.
It supports both compression and decompression and should support ARM9 binaries and overlays.
Change log (v1.0):
Initial release.
Codec LZSS DS
Auteur : Loki
Version du : 26 / 12 / 2010
Ce codec peut compresser et décompresser des fichiers avec les algorithmes LZSS de
type 0x10, 0x11 et 0x40. Il peut aussi décompresser les fichiers arm9.bin et overlay.bin.
Le type 0x40 n'est autre que la protection apparue pour la première fois le 28 octobre 2010
dans la version japonaise du jeu Golden Sun: Dark Dawn / Obscure Aurore.
Bonne traduction...
Initial release.
Codec LZSS DS
Auteur : Loki
Version du : 26 / 12 / 2010
Ce codec peut compresser et décompresser des fichiers avec les algorithmes LZSS de
type 0x10, 0x11 et 0x40. Il peut aussi décompresser les fichiers arm9.bin et overlay.bin.
Le type 0x40 n'est autre que la protection apparue pour la première fois le 28 octobre 2010
dans la version japonaise du jeu Golden Sun: Dark Dawn / Obscure Aurore.
Bonne traduction...



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