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Line 98: − − .CDI - CTR Development Image - CDI files are system processes which other types of applications depend on for access to various other lower level functions. CDI are normally the same titles as listed in a CXI header's dependency list, they are just compiled to a different format. The difference is that CDI is used for a different (test) environment. They're loaded into hardware debugger's memory, along with the 2 cores in order to execute. − − .CIP - (CTR Initial Process) − +
→Other File Formats
.[[SD Filesystem#title|APP]] - The per-console encrypted form of a NCCH file, used with installed titles, like eShop and CDN downloads.
.[[SD Filesystem#title|APP]] - The per-console encrypted form of a NCCH file, used with installed titles, like eShop and CDN downloads.
.CAA - A CXI which uses a raw ELF for the [[ExeFS]] .code section. Also has no plain region.
== [[NCSD]] ==
== [[NCSD]] ==
.AXF - Pre-assembled ARM code. Before being linked into the [[ExeFS]] '.code' format. They're practically ARM specific ELF files. The Plain Region found in the CXI is also obtain from this file.
.AXF - Pre-assembled ARM code. Before being linked into the [[ExeFS]] '.code' format. These are ARM specific ELF files. The Plain Region found in the CXI is also obtain from this file.
.BNR - Simply contains a .[[CBMD]] and a .[[BCWAV]], in that order with padding in between the two files to make sure the .[[BCWAV]] is aligned to 0x10 bytes. It contains nothing else.
.BNR - Simply contains a .[[CBMD]] and a .[[BCWAV]]. The .[[CBMD]] has added padding, to make sure the .[[BCWAV]] is aligned to 0x10 bytes. It contains nothing else.(The .[[CBMD]] file's header is edited to reflect it's new size)
.[[SMDH|ICN]] - Contains icons, names and flags for an application
.[[SMDH|ICN]] - Contains icons, names and flags for an application
== [[RomFS]] Related File Formats ==
.[[ARC]] - Archive. A container of files, all compressed with LZ-10.
.[[ARC|BCMA]] - CTR Manual (an ARC file).
.[[SARC]] - Simple(?) Archive. A container of uncompressed files.
.[[BCFNT]] - CTR Font File (version 3).
.[[BCFNT|BFFNT]] - CTR Font File (version 4).
== [[Title Data Structure|Title Installation Related File Formats]] ==
== [[Title Data Structure|Title Installation Related File Formats]] ==
.[[CIA]] - CTR Importable Archive - This format allows the installation titles to the 3DS. CIA files can contain [[NCCH]] files for installation to either the [[SD Filesystem|SDMC]] or CTR NAND. CIA files can also contain .SRL files (format for DS(i) executable images) for installation to the TWL NAND of the 3DS.
.[[CIA]] - CTR Importable Archive - This format allows the installation titles to the 3DS. CIA files can contain [[NCCH]] files for installation to either the [[SD Filesystem|SDMC]] or CTR NAND. CIA files can also contain .SRL files (format for DS(i) executable images) for installation to the TWL NAND of the 3DS. Anything distributed over Download Play (including card software) are created with this format as well.
.[[TMD]] - Title Metadata - The format is used with installed/installable titles. Notably they are found in .[[CIA]] files (plain text), on the [[SD Filesystem#title|SD card]] (encrypted), NAND (encrypted) and on Nintendo's CDN (plain text).
.[[TMD]] - Title Meta Data - The format is used with installed/installable titles. Notably they are found in .[[CIA]] files (plain text), on the [[SD Filesystem#title|SD card]] (encrypted), NAND (encrypted) and on Nintendo's CDN (plain text).
.[[Title Data Structure|CMD]] - Content Meta Data - The format is used to index installed .app files for installed titles. It is encrypted with a console unique [[AES|keyslot]].
.[[Title Data Structure|CTX]] - When beginning eShop app downloads, this file is created. Later this file is written with actual data. When the download is completed, the file is deleted from SD card.(This might then be moved to NAND) This is encrypted with a per-console key. It contains a signed cert followed by unknown data. It is only 1.50kbyte. Here is an example.[http://dl.dropbox.com/u/37418652/00000000.ctx]
.[[Title Data Structure|CTX]] - When beginning eShop app downloads, this file is created. Later this file is written with actual data. When the download is completed, the file is deleted from SD card.(This might then be moved to NAND) This is encrypted with a per-console key. It contains a signed cert followed by unknown data. It is only 1.50kbyte. Here is an example.[http://dl.dropbox.com/u/37418652/00000000.ctx]
== Audio File Formats ==
== Audio File Formats ==
.[[BCWAV|(B)CWAV]] - CTR waveform file format
.[[BCWAV|(B)CWAV]] - CTR waveform file format
.CSAR - CTR adaptation of BRSAR.
.[[BCSTM|(B)CSTM]] - CTR stream file format
.[[BCSAR|(B)CSAR]]- CTR adaptation of BRSAR.
== Graphics File Formats ==
== Graphics File Formats ==
.[[CBMD]] - CTR Basic Model Data - Archive file before being made into a CTR banner for games or other applications.
.[[CBMD]] - CTR Basic Model Data - Archive file before being made into a CTR banner for games or other applications.
.CTPK - CTR Texture PacKage
.[[CTPK]] - CTR Texture PacKage
.CMDL - CTR MoDeL data
.CMDL - CTR MoDeL data
.CTEX - CTR TEXture data
.CTEX - CTR TEXture data
.CCAD - CTR Celluloid Animation Data
.CSKA / .CSKLA - CTR SKeLetal Animation data
.CSKA / .CSKLA - CTR SKeLetal Animation data
== Other File Formats ==
== Other File Formats ==
.NSA - Archive used by several of the communication protocols in the 3DS.
.NSA - Archive used by several of the communication protocols in the 3DS.
.[[CRO0|CRO]] - This is a CTR "DLL".
.[[CRO0|CRO]] - This is a CTR "DLL".
.[[CRO0|CRS]] - This contains symbols for CRO "DLLs".
.[[CRO0|CRS]] - This is a special CRO format file which contains symbols for .code (the "static module").
.[[CRR0|CRR]] - This contains data for verifying CRO files.
.[[CRR0|CRR]] - This contains data for verifying CRO files.