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Yabause is a Sega Saturn emulator under GNU GPL.

Yabause can boot Saturn bios and games, some of those games are playable.

For installation/how to use information, check the ports specific README files:

  • README.DC for the dreamcast port
  • README.LIN for the linux port
  • README.MAC for the mac port
  • README.QT for the crossplatform Qt 4 port
  • README.WIN for the windows port


See the AUTHORS file for team members list.

Thanks to :

  • Runik (author of Saturnin), for all his help, especially on the vdp2.
  • Fabien Autrel (author of Satourne), for letting me browse his sources.
  • Chuck Mason (author of semu), for releasing semu sources and for his handy debugger.
  • Romain Vallet for winning the "Find a name for my emu" contest, for his contribution to this README and for this nice web site he did.
  • Stefano and all of segadev for their help.
  • Josquin Debaz for writing the man page.
  • Bart Trzynadlowski for his disassembler.
  • Charles MacDonald for his saturn sample programs, docs, and being a major source for saturn information.

Contact information

General inquiries should go to :

E-mail :

E-mail :

IRC : irc://

Qt Port-related inquiries should go to:


E-mail :


Please don't ask for roms, bios files or any other copyrighted stuff. Please use the forum when you have any questions if possible.


This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

See the GNU General Public License details in COPYING.