¶ 
License
This core is under GPLv3 license.
¶ 
Compatibility
| RPI0/RPI1 | RPI3 | RPI4/RPI400 | RPI5 | ODROID XU4 | OGA/OGS/RG351 | PC | RG353 |
|---|---|---|---|---|---|---|---|
| ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
¶ 
Features
| Feature | Supported |
|---|---|
¶ 
BIOS
¶ List of mandatory bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| sl31253.bin | ChannelF BIOS (PSU 1) | ac9804d4c0e9d07e33472e3726ed15c3 | ❌ |
| sl31254.bin | ChannelF BIOS (PSU 2) | da98f4bb3242ab80d76629021bb27585 | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 channelf
┃ ┃ ┃ ┃ ┣ 🗒 sl31253.bin
┃ ┃ ┃ ┃ ┣ 🗒 sl31254.bin
¶ List of optional bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| sl90025.bin | ChannelF II BIOS (PSU 1) | 95d339631d867c8f1d15a5f2ec26069d | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 channelf
┃ ┃ ┃ ┃ ┣ 🗒 sl90025.bin
¶ 
Roms
¶ Supported extensions
Roms must have the extension:
- .bin
- .rom
- .chf
- .zip
- .7z
This system supports compressed roms in .zip/.7z format. However, be careful, it is only an archive.
The files contained in the .zip/.7z must correspond to the extensions mentioned above.
Moreover, each .zip/.7z file must contain only one compressed rom.
¶ Location
Put the roms like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 roms
┃ ┃ ┃ ┣ 📁 channelf
┃ ┃ ┃ ┃ ┣ 🗒 game.zip
The roms using No-Intro format are highly recommended.
For more information about roms, go to this tutorial!
¶ 
Advanced configuration of the emulator
To be able to keep your custom configurations during an upgrade, we advise you to use our configuration override feature.
¶ Accessing to options
You can configure various options in two different ways.
- Via RetroArch menu:
┣ 📁 RetroArch Menu
┃ ┣ 📁 Core options
┃ ┃ ┣ 🧩 Name_option
- Via the file
retroarch-core-options.cfg:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 system
┃ ┃ ┃ ┣ 📁 configs
┃ ┃ ┃ ┃ ┣ 📁 retroarch
┃ ┃ ┃ ┃ ┃ ┣ 📁 cores
┃ ┃ ┃ ┃ ┃ ┃ ┣ 🧩 retroarch-core-options.cfg
¶ Core options
| Options | Options values | Variables (for configuration override) | Variables values |
|---|---|---|---|
| Clear screen in single frame | Disabled ✅ / Enabled |
freechaf_fast_scrclr |
disabled / enabled |
¶ 
External links
- Source code used: https://github.com/libretro/FreeChaF/