Wiki/wiki-rtd/docs/wiki_emulator_guides/melonds/melonds-guide.md

Guide: melonDS

melonDS Links:

melonDS - Webpage

melonDS - Forum

melonDS - FAQ

melonDS - Wiki

melonDS - Github

Does MelonDS require BIOS or Firmware?

Yes,

The firmware can come in three flavors:

DSi/3DS DS-mode firmware: 128KB
regular DS firmware: 256KB
iQue DS firmware: 512KB

DS Emulation

bios9.bin - 4KB - ARM9 BIOS
bios7.bin - 16KB - ARM7 BIOS
firmware.bin - 128/256/512KB - firmware dump

DSi Emulation

DSi ARM9 BIOS: 64KB
DSi ARM7 BIOS: 64KB
DSi Firmware: 128KB
DSi NAND image: ~240MB

Where to put the games

NDS games should be put under the retrodeck/roms/nds/ directory.