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<b>TwlNmenu</b> is the name of an application that comes bundled with TWLSDKs and the [[SystemUpdater]]. This application installs TAD files, an installable archive developed by Nintendo, similar to the Nintendo Wii's WAD archives. TwlNmenu is able to ''install'' all types of NAND programs, however the NAND tab will only display user apps (TIDs starting with '''00030004'''). This may have been done to prevent developers from erasing necessary system programs.

<b>TwlNmenu</b> is the name of an application that comes bundled with TwlSDKs and the [[SystemUpdater]]. This application installs TAD files, the DSi equivalent to the Nintendo Wii's WAD archives. TwlNmenu is able to install all types of NAND programs including firmware, however the NAND tab will only display user apps (TIDs starting with '''00030004'''). This may have been done to prevent developers from erasing necessary system programs.

[[File:TWLICON.png|thumb|TwlNmenu's icon.|left]]

[[File:TWLICON.png|thumb|TwlNmenu's icon.|left]]

==TAD File Format==

==TAD File Format==

The installable format, TAD, shares many similarities with the WAD format, including using the same offsets for title ID's and even using the same devsign as WADs. This can be explained by a commit to TwlIPL<ref>[https://github.com/rvtr/TwlIPL/commit/baca65d35d5d62d815c88e6374b895d5b0755277 TwlIPL r290 (GitHub)]</ref> where there's a mention of the WAD format being renamed to TAD.  Because TADs are derived from WADs, they can be resigned using Wii resigning tools and an RVL devkey; however, TwlNmenu has anti-tampering methods which will prevent you from installing resigned TAD files.

The installable format, TAD, is the same as a WAD, even down to development versions using the same encryption key. The only changes in a TAD are using DSi signing keys and certs, as well as removing multiple contents from the TMD due to no support in the firmware. This lack of difference can be explained by a commit to TwlIPL<ref>[https://github.com/rvtr/TwlIPL/commit/baca65d35d5d62d815c88e6374b895d5b0755277 TwlIPL r290 (GitHub)]</ref> where all instances of "WAD" were renamed to "TAD". Even TwlNmenu's name comes from the Wii's [[Nmenu]], and both tools use the same ''eTicket Services'' library.

The TAD format can be created using a tool included with the TWLSDK, named '''Maketad'''<ref>[https://randommeaninglesscharacters.com/dsidev/man/maketad.html maketad (rmc)]</ref>.

 

A TAD file can be created using a tool included with the TwlSDK, named '''Maketad'''<ref>[https://randommeaninglesscharacters.com/dsidev/man/maketad.html maketad (rmc)]</ref>.

==Screenshots==

==Screenshots==