The 3DO Company - 3DO (4DO)Link

BackgroundLink

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

Author/LicenseLink

The 4DO core has been authored by

  • JohnnyDude
  • FreeDO team

The 4DO core is licensed under

A summary of the licenses behind RetroArch and its cores have found here.

ExtensionsLink

Content that can be loaded by the 4DO core have the following file extensions:

  • .iso
  • .cue

DatabasesLink

RetroArch database(s) that are associated with the 4DO core:

BIOSLink

Required or optional firmware files go in the frontend's system directory.

Filename Description md5sum
panafz10.bin Panasonic FZ-10 BIOS - Required 51f2f43ae2f3508a14d9f56597e2d3ce

FeaturesLink

Frontend-level settings or features that the 4DO core respects.

Feature Supported
Restart
Screenshots
Saves
States
Rewind
Netplay
Core Options
RetroAchievements
RetroArch Cheats
Native Cheats
Controls
Remapping
Multi-Mouse
Rumble
Sensors
Camera
Location
Subsystem
Softpatching
Disk Control
Username
Language
Crop Overscan -
LEDs

DirectoriesLink

The 4DO core's internal core name is '4DO'

The 4DO core saves/loads to/from these directories.

Frontend's Save directory

  • 'content-name'.srm (Save)

Frontend's State directory

  • 'content-name'.state# (State)

Geometry and timingLink

  • The 4DO core's core provided FPS is 60
  • The 4DO core's core provided sample rate is 44100 Hz
  • The 4DO core's core provided aspect ratio is 4/3

Core optionsLink

The 4DO core has the following option(s) that can be tweaked from the core options menu. The default setting is bolded.

Settings with (Restart) means that core has to be closed for the new setting to be applied on next launch.

  • High Resolution (restart) [4do_high_resolution] (disabled|enabled)

    Doubles internal resolution.

High Resolution - Off

High Resolution - On

ControllersLink

The 4DO core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):

User 1 - 2 device typesLink

  • None - Doesn't disable input. There's no reason to switch to this.
  • RetroPad - Joypad - Stay on this
  • RetroPad w/Analog - Joypad - Seme as RetroPad. There's no reason to switch to this.

Controller tablesLink

JoypadLink

User 1 - 2 Remap descriptors RetroPad Inputs
B
A
X (Stop)
P (Play/Pause)
D-Pad Up
D-Pad Down
D-Pad Left
D-Pad Right
C
L
R

CompatibilityLink