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|type = [[:Category:ConsolesHandheld consoles|Handheld game console]]

 Released on April 5, 2009, the '''[[wikipedia:Nintendo DSi|Nintendo DSi]]''' added new lighting effects, an inner and outer 0.3 megapixel digital cameras, 16MB of RAM (compared to the previous 4MB of RAM), a faster ARM9 CPU clocked at 133 MHz, and offered downloadable titles called "DSiWare". It cost {{Inflation|USD|169.99|2009}} at launch and later dropped to {{Inflation|USD|149.99|2010}}. The system, however, was region-locked, meaning that DSi exclusives from different regions couldn't be used and the system language couldn't be changed. It also did away with backwards-compatiblity by removing Slot-2 which was used to load GBA cartridges and other gaming certain accessories (''i.e. Guitar Hero: On Tour''such as the Rumble Pak).

!colspan="78"|PC / x86|-|[[melonDS|melonDS]]|align=left|{{Icon|Windows|Linux|macOS|FreeBSD}}|[http://melonds.kuribo64.net/downloads.php {{MelonDSVer}}] [https://github.com/Arisotura/melonDS/actions <br/>Dev Builds]|{{✓}}|{{✓}}|{{✓}}|{{✓}}|{{✓}}

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There hasn't been much of a need for DSi emulation has been pretty neglected due to it's its small library of exclusive games and lack of DSi-enhanced titles that provide anything major besides camera support. The only thing really notable is DSiWare, which saw several exclusive releases.

No$GBA added support for DSi games of all three formats starting with version 2.8, although some games won't boot and others have graphical glitches. You'll need to enable "16MB DSi/retail" under the settings in order to use it. Compatibility is very iffy due to No$GBA's already poor DS emulation, and the camera is just spoofed as a static image and will causes cause the emulator to crash whenever used, meaning games that uses it may boot, but won't be very playable.

As of version 0.9, melonDS recently started attempts at has DSi emulation and has been able to boot the system's firmware<ref name="melonDSi">http://melonds.kuribo64.net/comments.php?id=94</ref> and even showed that it can play ''Flipnote Studio''. melonDS It can connect to the internet and can play games with WFC online using a library named ''libslirp''. This has been merged into master in July 2020. It also has Generic aka RSDuck's JIT, which means that emulation will be smootheror libpcap. It could become the most usable option for DSi emulation in the near future. Most of it is being done using the documentation that the No$GBA devs have dev has already compiled on the subject<ref>httpshttp://melonds.kuribo64.net/board/thread.php?id=13</ref> ([https://problemkaputt.de/gbatek.htm GBATEK]).

On the DSi/3DS family of handhelds, the first two formats can be played on some select DSi-compatible flashcarts like the discontinued and expensive CycloDS iEvolution flashcart(which won't work on a stock 3DS unless you install custom firmware to whitelist it). As for the third type, some are only available for digital purchase at the 3DS eShop and are installed as apps to the limited TWL NAND. Users with custom firmware can also convert DSiWare to an installable <code>.cia</code> and even dump already installed ones back to <code>.nds</code>. Since the DSi Shop has closed, the only way of obtaining DSiWare on the physical system is by [[Modding Consoles/Flashcarts#Nintendo_DSi|homebrewing]] your DSi and launching the <code>.nds</code> ROM through Unlaunchor [[TWiLight Menu++]].

===MelonDSmelonDS===MelonDS doesn't melonDS has poor DSP support most of the DSi's features such as the cameras, DSP, and DSi mode for DSi-enhanced games. DSiWare have has to be launched from the NAND as it cannot boot them as .nds.

[[Category:Nintendo DS DSi emulators|*]]