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										 |  |  | # Guide: melonDS
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										 |  |  | <img src="../../../wiki_images/logos/melonds-logo.svg" width="150"> | 
					
						
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										 |  |  | melonDS, a Nintendo DS emulator. | 
					
						
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										 |  |  | ### melonDS Links:
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							|  |  |  | [melonDS - Webpage](https://melonds.kuribo64.net/) | 
					
						
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							|  |  |  | [melonDS - Forum](https://melonds.kuribo64.net/board/) | 
					
						
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							|  |  |  | [melonDS - FAQ](https://melonds.kuribo64.net/faq.php) | 
					
						
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							|  |  |  | [melonDS - Wiki](https://github.com/melonDS-emu/melonDS/wiki) | 
					
						
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							|  |  |  | [melonDS - Github](https://github.com/melonDS-emu/melonDS) | 
					
						
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										 |  |  | ## Where to put the games
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							|  |  |  | NDS games should be put under the `retrodeck/roms/nds/` directory. | 
					
						
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										 |  |  | ## What file formats are supported?
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										 |  |  | | File Format | Description | | 
					
						
							|  |  |  | |-------------|-------------| | 
					
						
							|  |  |  | | .nds        | Nintendo DS ROM file | | 
					
						
							|  |  |  | | .app        | Application file | | 
					
						
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										 |  |  | ## Does MelonDS require BIOS or Firmware?
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										 |  |  | There exists several optional BIOS and FIrmware: | 
					
						
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										 |  |  | **Nintendo DS:**  | 
					
						
							|  |  |  | ``` | 
					
						
							|  |  |  | bios7.bin | 
					
						
							|  |  |  | bios9.bin | 
					
						
							|  |  |  | firmware.bin | 
					
						
							|  |  |  | ``` | 
					
						
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										 |  |  | **Nintendo DSI:**  | 
					
						
							|  |  |  | ``` | 
					
						
							|  |  |  | dsi_bios9.bin | 
					
						
							|  |  |  | dsi_bios7.bin | 
					
						
							|  |  |  | dsi_firmware.bin | 
					
						
							|  |  |  | dsi_nand.bin | 
					
						
							|  |  |  | ``` | 
					
						
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										 |  |  | ### Where to put the BIOS and Firmware?
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										 |  |  | Directly into the folder | 
					
						
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										 |  |  | `retrodeck/bios/` | 
					
						
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										 |  |  | **Example:** | 
					
						
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							|  |  |  | `retrodeck/bios/bios9.bin` | 
					
						
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										 |  |  | ## Folder structure
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										 |  |  | | Type    | Folder                 |      Comment     |  | 
					
						
							|  |  |  | |  :---:  |  :---:                 |      :---:     | | 
					
						
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										 |  |  | | ROMs Folder |`retrodeck/roms/nds/` |                               |   | 
					
						
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										 |  |  | | Saves Folder |`retrodeck/saves/nds/melonds/` |                               |   | 
					
						
							|  |  |  | | States Folder |`retrodeck/states/nds/melonds/` |                               | | 
					
						
							|  |  |  | | Config Folder |`~/.var/app/net.retrodeck.retrodeck/config/melonDS/`         |   `melonDS.ini`| | 
					
						
							|  |  |  | | BIOS Folder | `retrodeck/bios/` | | | 
					
						
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							|  |  |  | ## Change Language in games
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							|  |  |  | **Requirements:**  | 
					
						
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							|  |  |  | - Check if the game has multiple language support over at this link [GamesTDB: DS](https://www.gametdb.com/DS/Downloads). | 
					
						
							|  |  |  | - You need to have your bios ion the `retrodeck/bios/` folder. | 
					
						
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							|  |  |  | **Instructions:** | 
					
						
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							|  |  |  | 1. Open `Configurator` -> `MelonDS` | 
					
						
							|  |  |  | 2. Click `Config` -> `Emu settings` -> `DS-Mode` ->  Enable `Use external BIOS/firmware files` | 
					
						
							|  |  |  | 3. Click `File` -> `Boot firmware` -> `DS icon` (bottom of the screen) -> `⚙️` -> `🌍` -> Set language. |