Bandai - WonderSwan/Color (Beetle Cygne)¶
Background¶
Standalone port of Mednafen WonderSwan to libretro, itself a fork of Cygne.
Author/License¶
The Beetle Cygne core has been authored by
- Dox
- Mednafen Team
The Beetle Cygne core is licensed under
A summary of the licenses behind RetroArch and its cores can be found here.
Extensions¶
Content that can be loaded by the Beetle Cygne core have the following file extensions:
- .ws
- .wsc
- .pc2 (Benesse Pocket Challenge v2 files)
Databases¶
RetroArch database(s) that are associated with the Beetle Cygne core:
Features¶
Frontend-level settings or features that the Beetle Cygne core respects.
| Feature | Supported |
|---|---|
| Restart | ✔ |
| Screenshots | ✔ |
| Saves | ✔ |
| States | ✔ |
| Rewind | ✔ |
| Netplay | ✔ (not link-cable emulation) |
| Core Options | ✕ |
| Memory Monitoring (achievements) | ✔ |
| RetroArch Cheats | ✕ |
| Native Cheats | ✕ |
| Controls | ✔ |
| Remapping | ✔ |
| Multi-Mouse | ✕ |
| Rumble | ✕ |
| Sensors | ✕ |
| Camera | ✕ |
| Location | ✕ |
| Subsystem | ✕ |
| Softpatching | ✔ |
| Disk Control | ✕ |
| Username | ✕ |
| Language | ✕ |
| Crop Overscan | ✕ |
| LEDs | ✕ |
Directories¶
The Beetle Cygne core's internal core name is 'Beetle WonderSwan'
The Beetle Cygne core saves/loads to/from these directories.
Frontend's Save directory
- 'content-name'.srm (Cartridge backup save)
Frontend's State directory
- 'content-name'.state# (State)
Geometry and timing¶
- The Beetle Cygne core's core provided FPS is 75.47
- The Beetle Cygne core's core provided sample rate is 44100 Hz
- The Beetle Cygne core's core provided aspect ratio is 14/9
Controllers¶
The Beetle Cygne core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):
User 1 device types¶
- None - Doesn't disable input.
- RetroPad - Joypad
- RetroPad w/Analog - There is no reason to switch to this.
Controller tables¶
Joypad¶
| User 1 Remap descriptors | RetroPad Inputs |
|---|---|
| B | ![]() |
| Rotate screen + active D-Pad | ![]() |
| Start | ![]() |
| X Cursor Up | ![]() |
| X Cursor Down | ![]() |
| X Cursor Left | ![]() |
| X Cursor Right | ![]() |
| A | ![]() |
| Y Cursor Left | ![]() |
| Y Cursor Right | ![]() |
| Y Cursor Down | ![]() |
| Y Cursor Up | ![]() |
Compatibility¶
| Game | Issue |
|---|---|
| Tonpuusou | Title screen announcer voice missing. Softlocks after picking a menu option. |











