Nintendo DS emulators

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Nintendo DS
DSlitewhite.png
Developer Nintendo
Type Handheld game console
Generation Seventh generation
Release date 2004
Discontinued 2013
Predecessor Game Boy Advance
Successor Nintendo 3DS
Emulated

The Nintendo DS (NDS) is a handheld console produced by Nintendo on November 21, 2004 and had 2 ARM CPUs (ARM9 and ARM7) with 4MB of RAM. The main selling point was the use of dual screens for gameplay, with one being a touchscreen. It is the only console to have come close to the PlayStation 2 in lifetime sales (154.02 million units), as a result of attracting a large amount of casual players, and even non-gamers, into the gaming community.

Emulators[edit]

Name Platform(s) Latest Version GBA NDS DSi Libretro Core Active Recommended
PC / x86
DeSmuME Windows Linux macOS FreeBSD 0.9.12 Dev Builds
melonDS Windows Linux 0.8.3
Git CI Builds
~ (WIP)
DeSmuME X432R Windows Linux macOS FreeBSD 2015-04-19
GBE+ Windows Linux macOS 1.4 (WIP)
medusa Windows Linux alpha 2 [1] (WIP)
CorgiDS Windows Linux 0.1
SVN
[2]
ndsemu Windows Git
No$GBA Windows MS-DOS 3.02
NeonDS Windows 0.2.1
dasShiny Windows Linux Git
DuoS Windows 8/25/2012 Beta
Ensata Windows 1.4d
iDeaS Windows Linux 1.0.4.0
NooDS Windows Linux macOS Git
Mobile / ARM
DraStic Android Pandora r2.5.2.2a
melonDS (unofficial) Android Git ~ (WIP)
iNDS
(nds4ios derived)
(DeSmuME based)
iOS Git
nds4ios iOS SVN
nds4droid
(DeSmuME based)
Android Git
Console
Virtual Console Wii U
melonDS Switch Latest Build
Git
NooDS Switch Git

Comparisons[edit]

DeSmuME
One of the most developed emulators for regular DS games. DeSmuME has had significant improvements since 2018, though new features are still in development and are only available through either nightly/dev builds. It now uses less CPU/GPU resources, and Wi-Fi is also underway. If you're worried about stability, then stick to the latest stable release. Otherwise, the latest dev builds will have more to offer. (See Common Problems and Solutions for tips.)
DraStic
A payware, closed-source emulator for Android devices that can run games at a decent speed even on potato phones. It's on par with (or in some cases better than) DeSmuME, and emulating it through BlueStacks on PC may actually be a viable and fast alternative aside from a slight input delay. Some rumors have spread around that the developers deliberately put in issues to mess with pirated copies, though this is considered unsubstantiated. At the very least, you shouldn't expect any support from Exophase and company if you use a pirated copy, though it is available for free on the Raspberry Pi and Odroid via RetroPie.
melonDS
Arisotura's goal is to make an emulator that's better optimized and includes features that others lack, either intentionally or not. While the developers of No$GBA had documented the Wi-Fi capabilities first, melonDS is the first and only emulator that's gotten as far as it has and it has been found to work reasonably well with a handful of games. There's also been progress made in emulating the DSi[3][4], so far it's been able to boot into the firmware and is being developed in a separate branch of the main project. It could surpass DeSmuME when it covers more features.
No$GBA
Focuses on speed, and has major compatibility issues and glitches as a result. But because it was originally a GBA emulator, the DS's 3D features are still very poorly handled. However, it might be an option for a very low-end machine but don't expect a lot of games to run perfectly, or at all. A fan program, No$Zoomer, was released for version 2.6 which increases compatibility and options, as well as the titular zooming abilities. The biggest addition is noise cancellation which clears up static that No$GBA makes with its 3D rendering. No$Zoomer hasn't rebased yet but does add options for window resizing. There haven't been any noticeable changes with regards to accuracy, however. As of v2.8, No$GBA supports DSi games and is currently the first and only emulator that does. Only use No$GBA in the cases of DSi games, debugging (if you've taken up romhacking for DS games), if you value speed above everything, or just as a last resort.
medusa
mGBA developer endrift is also creating a DS emulator, but it's very much a work-in-progress and isn't nearly as far as melonDS in terms of the capabilities it's covered. As of March 2018, medusa's development is "suspended until further notice".[1]
iDeaS
An abandoned and experimental DS emulator that uses a plug-in system, it's very slow and buggy but has partially gotten some features working like the camera and slide accessories.
Ensata
Nintendo's official DS emulator that was leaked to the public. It's not very usable or compatible but it can run a few games.

Comparisons of several Nintendo DS emulators:

High Resolution[edit]

melonDS
Has added support for OpenGL renderer and upscaling as of version 0.8.[5] The renderer is much faster than DeSmuME's and supports increasing the internal resolution up to 8x native resolution. More features such as texture filtering are planned.
DeSmuME X432R
A fork of DeSmuME, that has many more graphical enhancement such as an option to increase internal resolution and use MSAA. The devs of DeSmuME have now included an option for increased internal resolution (see below), making X432R outdated. See the DeSmuME page for more details.
DeSmuME (libretro)
Also has an option to increase internal resolution since August 8, 2015 git commit. It requires a very high-end CPU to run at a reasonable framerate.
DraStic
Has released a beta version supporting double the original resolution.
Virtual Console (Wii U)
Has a configuration file with support for x2 internal resolution without any significant performance hit (as well as a brightness setting). However, there's no legit way to enable it without a homebrew-enabled console.

Connectivity[edit]

The DS offers five types of connections:

  • Local Wireless Communications - (Multiple Cartridges)
  • DS Download Play - (Single Cartridge)
  • Wi-Fi Connection - (Online Multiplayer)
  • DS/Wii Connectivity
  • GBA/DS Connectivity
Name Platform(s) Latest Version Local Download Play Wi-Fi GBA/DS
melonDS Windows Linux 0.8.3 ~ ~ ~ (Git)
DeSmuME Windows Linux macOS FreeBSD 0.9.12 Dev Builds ~
No$GBA Windows MS-DOS 3.02

The major challenge with emulating multiplayer functionalities is timing inaccuracies, which have made many projects, such as DeSmuME, not want to implement them. So far, the only emulator to actually make any progress is melonDS, but even that is still under development.

Local Wireless Communication[edit]

Players who have a copy of the same game can link together using the DS' wireless signals (given that the game offers this feature).

melonDS supports wireless communication with several games, including New Super Mario Bros. and Pokemon, but you need to have either multiple instances opened, which can slow down overall performance, or connect multiple computers via LAN. No$GBA is able to connect, but fails before the actual connection is finished.

DS Download Play[edit]

Players who both have a DS but only one copy of a game can use "Download Play" to play together without everyone needing a copy of the game. The player with the physical cartridge will host the game while the other players connects using a "downloaded" version received from the host. Normally they are either simple mini-games, stripped down demos of the main game, or a limited version of multiplayer. In most cases it's better to use multi-cart instead, however there are some games, like Mario Party DS, that requires Download Play in order to use its multiplayer.

Download Play is supported by melonDS. Like with local multiplayer, it is very hit and miss but unlocking the framerate helps. melonDS will often fail during the download process, but some games actually go as far as booting and sometimes in-game as well.

Nintendo Wi-Fi Connection[edit]

Nintendo's online service that was available for the Wii and DS and was free to use. It was shutdown on May 20, 2014 due to the company GameSpy, the ones who were managing these servers, shutting down its multiplayer services after being bought out. A popular game that used this feature was Mario Kart DS.

There was a third-party DeSmuME forks that successfully emulated WFC but has quite a bit of requirement (Ethernet cable, though this can be circumvented with external software). After the service shutdown, there was a version compatible with the fan servers (restoring all DLC data but sadly most multiplayer games had their content lost forever). melonDS is one of the only emulators to offer Wi-Fi capabilities. It's still a work-in-progress, but it works relatively well.

DS/Wii Connectivity[edit]

Uses the wireless communication on the DS to connect to the Wii. The idea is parallel to the GBA Link Cable for the GameCube, and just like the Link Cable, only a handful of games actually have this feature. Some notable examples are Final Fantasy Crystal Chronicles: Echoes of Time which is essentially the same as the DS port but can connect with other DS' with the game, Pokemon Battle Revolution in which players could transfer their Pokemon to the game and use the DS as a controller, Animal Crossing: City Folk in which data could be transferred between the DS version Animal Crossing: Wild World, and the Nintendo Channel on the Wii where players could download demos of DS games to their console using Download Play (basically the same idea as the Download Station kiosk).

So far, no emulator has been able to emulate this feature, nor have attempted to, and considering that the GBA/GCN connectivity on Dolphin has yet to achieve full functionality (and a lack of interesting titles that uses it), hints that this feature won't be emulated for a while. If this was ever going to be emulated, it would require work on both ends.

GBA/DS Connectivity[edit]

Inserting a GBA cartridge in the Slot-2 of the Nintendo DS while a game is running can unlock various gameplay features for several DS games.

It's unknown if No$GBA supports this, but it can be done in DeSmuME by going to Config > Slot 2 (GBA Slot) and selecting GBA Cartridge. Select the GBA ROM file, make sure its .sav file is in the same folder. You may need to reset the game for it to take effect. The latest git of melonDS added support for GBA connectivity and even added support for the solar sensor on GBA Boktai cartridges used in Boktai DS (Lunar Knight), something DeSmuME has yet to support. Either drag-and-drop the GBA ROM onto the program before starting or open the file before loading the NDS file.

Nintendo DSi[edit]

Main article: Nintendo DSi emulators

Special Hardware[edit]

Guitar Hero Pad
Used in the "Guitar Hero: On Tour" series (required) and Band Hero DS. Supported by DeSmuME (Slot 2).
Piano for Easy Piano
Supported by DeSmuME (Slot 2).
Taito Paddle Controller
Compatible with Arkanoid, Space Invaders Extreme, Space Invaders Extreme 2 and Space Bust-a-Move. Supported by DeSmuME (Slot 2).
Tilt Sensor
Used in "Tony Hawk's Motion/Hue's Pixel Painter." No emulators support this add-on yet. (Slot 2)
Rumble Pack
Supported by DeSmuME (Slot 2). Requires compatible Joystick.
Slide Controller
Required by "Slide Adventure Mag Kid". Yasu made a shoddy plug-in for iDeaS (recommended version was 1.0.2.9.) to try to emulate it. No emulators support this add-on at the moment.
Pokémon Keyboard
Bundled with the Pokémon Typing game (JP/UK/FR). The game refuses to boot without a keyboard, but it can be run on emulators with an anti-piracy fix and another DeSmuME-specific save bug fix. There is also a pre-patched ROM. While it's playable using the on-screen keyboard on the lower screen, the keyboard isn't actually emulated. There is a Lua script that permits using the actual keyboard by mapping presses of the actual keyboard to taps of the virtual Touch Screen. However, you are going to need to blank out all the control/hotkey bindings of DeSmuME if you are going to play this game because some of the keyboard keys also activate some controls; otherwise, pressing the Q key would also pause the game, given one example. A recommendation would be to have a separate copy of 32-bit DeSMuMe which purpose is playing *only* the Pokémon typing games. In that copy, place the patched ROM, the Lua script, and a 32-bit version of lua51.dll. (The platform used in building the .dll should not matter.) Even then, not only is the emulated workaround a little slow, but saving is still broken. Use savestates, instead.
DS Camera
Accessory bundled with the Japan-only Face Training (a European localization for Christmas 2007 was canceled, and it was released as a retail DSi game in 2010 using the internal camera rather than the original accessory). Not to be confused with the built-in DSi camera. No emulators exist for it at all.
Bayer DIDGIT
A glucose meter for diabetic children with a game called Knock 'Em Downs: World's Fair that rewards them for checking their blood sugar levels regularly. The game has been dumped but no support for the glucose meter peripheral exists as of the time of this writing; it may, however, be possible to add reward points through Action Replay codes, not to mention that the game will still function without the glucose meter attachment anyway (albeit with reduced functionality, of course).

iQue DS Region Lock[edit]

iQue is Nintendo's Chinese subsidiary (previously a partnership between them and Wei Yen until 2013), so when they released the DS with a few localized games, their ROMs had special flags set in them to check if the hardware that ran the cartridge was iQue's or Nintendo's as a sort of region lock. Nintendo's own hardware would fail this check, throwing an "Only for iQue DS" error in white text on a black background. No other DS games have this mechanism; not even for Korean releases. This region lock is bypassed by the 3DS for these DS games, even though 3DS games have their own region lock. It's weird.

Emulators differ in their behavior to this region lock. No$GBA crashes. DeSmuME & MelonDS is accurate to non-iQue hardware and will replicate the failure.

The only way the ROM will accept other hardware (and thus emulators) is with a hack, involving a simple byte change. Use a hex editor to change the byte located at 0x1D from value 80 to 00.

Other issues[edit]

Certain games, such as American Girl titles (e.g. Julie Finds a Way and Kit Mystery Challenge) suffer from severe flickering issues which keep those games from being playable on most emulators. DraStic was the first emulator able to run the two games properly, and while DeSmuME r5043 had an initial fix that worked around the glitch, it was removed in later revisions as it broke compatibility with Pokemon SoulSilver among others; this has since been patched on r5531 once the true nature of the bug was better understood. The fix would be later incorporated in other emulators. Ultimate Mortal Kombat suffers from flickering and slowdown due to the way it loads sprites, though it isn't as serious in DraStic. Star Wars: The Clone Wars – Jedi Alliance is an even more egregious example, crashing due to timing differences between actual hardware and an emulated system.

References[edit]


N64 logo.png
Consoles: Color TV-GameNintendo Entertainment System (Family Computer) • Super Nintendo Entertainment System (Super Family Computer) • Nintendo 64GameCubeWiiWii UNintendo Switch
Handhelds: Game & WatchGame Boy/ColorVirtual BoyGame Boy AdvanceNintendo DSNintendo 3DS
Related: Family Computer Disk SystemSatellaview64DDSuper Game Boye-ReaderDSiAmiiboTriforce (Arcade) • Namco ES3 (Arcade)