The Emulation Realm

MelonDS (Source)

MelonDS (Source)
File Size:
2.22 MB
08 March 2022
4623 x

melonDS aims at providing fast and accurate Nintendo DS emulation. While it is still a work in progress, it has a pretty solid set of features...


* Nearly complete core (CPU, video, audio, ...)
* JIT recompiler for fast emulation
* OpenGL renderer, 3D upscaling
* RTC, microphone, lid close/open
* Joystick support
* Savestates
* Various display position/sizing/rotation modes
* (WIP) Wifi: local multiplayer, online connectivity
* (WIP) DSi emulation
* (WIP) GBA slot add-ons


melonDS requires BIOS/firmware copies from a DS. Files required:

  • bios7.bin, 16KB: ARM7 BIOS
  • bios9.bin, 4KB: ARM9 BIOS
  • firmware.bin, 128/256/512KB: firmware

Firmware boot requires a firmware dump from an original DS or DS Lite. DS firmwares dumped from a DSi or 3DS aren't bootable and only contain configuration data, thus they are only suitable when booting games directly.


How to build

  1. Install dependencies: sudo apt install cmake libcurl4-gnutls-dev libpcap0.8-dev libsdl2-dev qt5-default libslirp-dev libarchive-dev libepoxy-dev
  2. Download the melonDS repository and prepare:
git clone
cd melonDS
mkdir build && cd build
  1. Compile:
cmake ..
make -j$(nproc --all)


Personal note:

Does not compile with GCC 11.... 9 and 10 had no issues.

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