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Welcome to The Official Site of the MAME Development Team

What is MAME

MAME is a multi-purpose emulation framework.

MAME's purpose is to preserve decades of software history. As electronic technology continues to rush forward, MAME prevents this important "vintage" software from being lost and forgotten. This is achieved by documenting the hardware and how it functions. The source code to MAME serves as this documentation. The fact that the software is usable serves primarily to validate the accuracy of the documentation (how else can you prove that you have recreated the hardware faithfully?). Over time, MAME (originally stood for Multiple Arcade Machine Emulator) absorbed the sister-project MESS (Multi Emulator Super System), so MAME now documents a wide variety of (mostly vintage) computers, video game consoles and calculators, in addition to the arcade video games that were its initial focus.


The MAME project as a whole is distributed under the terms of the GNU General Public License, 2 (GPL-2.0), since it contains code made available under multiple GPL-compatible licenses. A great majority of files (over 90% including core files) are under the BSD-3-Clause License and we would encourage new contributors to distribute files under this license.
Please note that MAME is a registered trademark of Gregory Ember, and permission is required to use the "MAME" name, logo or wordmark.

MAME 0.99u9

10 Sep 2005

Wasn't intending to hit 9 intermediates, but with all the changes this version, it's best to make sure things are stable. Also, quite a number of Namco games get sound with this update — check it out! Report bugs on MAME Testers ASAP if you find anything new with this version.

MAME 0.99u8

09 Sep 2005

We'll get to an official 0.100 soon, I promise! But in the meantime, there's another 0.99 update available.

MAME 0.99u7

05 Sep 2005

All of the major bugs in the last update should be fixed in the Latest Release. Continue reporting problems on the MAME Testers message board.

MAME 0.99u6

29 Aug 2005

Guess I blew it with the last update and forgot to initialize an important variable. Oops. Well, it just means that u6 is now available sooner than expected. It's a big update with the last of my planned renaming of core MAME types.

MAME 0.99u5

29 Aug 2005

The latest MAME update is now available on the Latest Release page. As mentioned below, it is a diff against 0.99u3, so either reverse your u4 patches or start over from the beginning to build u5.

MAME 0.99u4 removal

28 Aug 2005

I have removed the 0.99u4 update due to a request from Arika. The next update (u5) will be a diff from 0.99u3. If you already patched your source to u4, you will need to either reverse the patch (patch -p0 -R

MAME 0.99u4

24 Aug 2005

New update today, mainly to fix the most glaring bugs/omissions that were introduced last time.

And yes, "whinging" is a real word. Look it up.