Libretro Yabause is a port of the Yabause emulator to Libretro supporting the Sega Saturn.
¶ 
License
This core is under GPLv2.
¶ 
Compatibility
| RPI0/RPI1 | RPI3 | RPI4/RPI400 | RPI5 | ODROID XU4 | OGA/OGS/RG351 | PC | RG353 |
|---|---|---|---|---|---|---|---|
| ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ |
¶ 
Features
| Feature | Supported |
|---|---|
| Restart | ✔ |
| Screenshots | ✔ |
| Saves | ✔ |
| States | ✔ |
| Core Options | ✔ |
| RetroAchievements | ✔ |
| RetroArch Cheats | ✔ |
| Controls | ✔ |
| Remapping | ✔ |
| Disk Control | ✔ |
¶ 
BIOS
¶ List of mandatory bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| saturn_bios.bin | Saturn BIOS | af5828fdff51384f99b3c4926be27762 | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 saturn
┃ ┃ ┃ ┃ ┣ 🗒 saturn_bios.bin
¶ 
Isos
¶ Supported extensions
Isos must have the extension:
- .cue/.bin
- .m3u
- .img/.ccd
- .iso
- .mds/.mdf
- .chd
¶ Location
Put the isos like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 roms
┃ ┃ ┃ ┣ 📁 saturn
┃ ┃ ┃ ┃ ┣ 🗒 game.bin
┃ ┃ ┃ ┃ ┣ 🗒 game.cue
The isos using Redump format are highly recommended.
For more information about isos, 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 |
|---|---|---|---|
| Frameskip | Disabled ✅ / Enabled |
yabause_frameskip |
disabled / enabled |
| Force HLE BIOS (restart) | Disabled ✅ / Enabled |
yabause_force_hle_bios |
disabled / enabled |
| Addon Cartridge (restart) | None ✅ / 1M_ram / 4M_ram |
yabause_addon_cartridge |
None / 1M_ram / 4M_ram |
| 6Player Adaptor on Port 1 | Disabled ✅ / Enabled |
yabause_multitap_port1 |
disabled / enabled |
| 6Player Adaptor on Port 2 | Disabled ✅ / Enabled |
yabause_multitap_port2 |
disabled / enabled |
| Number of Threads | 1 / 2 / 4 ✅ / 8 / 16 / 32 |
yabause_numthreads |
1 / 2 / 4 / 8 / 16 / 32 |
¶ 
External links
- Source code used: https://github.com/libretro/yabause/
- Libretro documentation: https://docs.libretro.com/library/yabause/