From Libretro Wiki
Jump to: navigation, search
FourDO Large.png
Core info
License LGPL with additional notes
Extensions iso, cue

4DO is a 3DO video game system emulator that can be used as a libretro core.


4DO is an open-source, low-level emulator for the 3DO Game Console based on the FreeDO source code.

Feature Support

These are libretro features, not frontend or standalone emulator features.

Saves Save states Rewind Netplay Cheats Controllers API Rumble Sensors Camera Location Subsystem API


4DO requires the following BIOS image file for operation

  • panafz10.bin (Panasonic FZ-10 BIOS)


This core has a few options that can be tweaked from the core options menu. The default setting is highlighted and in italics:

  • 4do_high_resolution (disabled/enabled)(restart): Doubles the internal resolution.

Compatibility List/General Issues

Main article: [1]

Controllers WIP

The 4DO core supports one controller setting:

  • 3DO Joypad: 3DO Controller
RetroPad 3DO Joypad
Retro Dpad.png
Retro Y Round.png
Retro X Round.png
Retro B Round.png
Retro A Round.png
Retro L1.png
Retro R1.png
Retro R2.png
Retro R2.png
Retro Left Stick.png
Retro Right Stick.png
Retro L3.png
Retro R3.png
Retro Select.png
Retro Start.png

External Links