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| − | The following is a list of known file formats used by the 3DS.
| + | #REDIRECT [[:Category:File_formats]] |
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| − | === Applications ( any executable code ) ===
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| − | .[[CCI]] - Cart image. Burned into a ROM (or loaded by official debugging hardware). These are also the actual format of ROM dumps, and the response of read requests between a 3DS and a cartridge.
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| − | .[[CXI]] - Executable image. Similar to above. The difference is CXI applications are installed onto [thus ran from] NAND.
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| − | .[[CIA]] - (CTR Importable Archive) It is the application compiled into an archive, ready to be installed to a designated location. A .CIA file can be extracted to install applications to the, CTR NAND, TWL NAND (part of the NAND used by DSi applications), and the SD card.
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| − | .[[CCI|CSU]] - System Update. Format varies slightly with revisions.
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| − | .CFA - Externalized ROM-FS. CXI data and ROMFS data can be separated into a list of external files instead of compiled into just 1 CXI image. (Normally not used.)
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| − | ^ CTR File Archive. Lib states this is similar to a CIA, a little like an archive of a CIA. Fortunately lib has some info on this format. CFA files are basically multiple packed CIAs. CFAs are used when the CCI file includes the child device distributed with download play.
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| − | .NSA - Archive used by several of the communication protocols in the 3DS.
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| − | .RSF - Descriptive data used when outputting a CCI/CXI file. Specifies options such as: title, save type, and so on.
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| − | .AXF - Pre-assembled ARM code. before being linked into a CCI/CXI format.
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| − | .CDI - CTR Development Image. Lib did not have any documentation about what this format is, what it does, etc. I had to go digging through the compiler to find this format listed. Hopefully I'll find more soon. *Possibly* associated with the CTR Debugger but that's just a guess.
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| − | .CIP - CTR Initial Process. Unfortunately the circumstance is much like the CDI format, but it's in the lib compiler so it is some type of format used by the 3DS.
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| − | .[[BCWAV]] - CTR waveform file format
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| − | .[[CBMD]] - CTR binary banner model. Archive file before being made into a CTR banner for games or other applications.
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| − | === Filesystem ===
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| − | The 3DS filesystem requires absolute paths. It can handle either short (8.3) and long (255 char maximum) file names.
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| − | == MPO (Multi-Picture Object Format) ==
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| − | Document describing the file format used in mpo files:
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| − | http://www.cipa.jp/english/hyoujunka/kikaku/pdf/DC-007_E.pdf
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| − | [[MPO|Nintendo's MPO Specifications]]
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