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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 0.123u6

19 Mar 2008

Grab it from the Source Updates page. This is the "big pile o' bugfixes" release prior to MAME 0.124, which will hopefully happen this weekend or early next week. There are also a few other nice goodies included this time around.

Please report bugs over at the new MAMETesters bug database. As you can see, we are paying attention!

MAME 0.123u5

13 Mar 2008

Another week, another big update. Grab it from the Source Updates page.

There have been a number of substantial internal changes recently. A lot of this is related to some long-term plans I have around unifying the various device types, removing arbitrary limits, getting rid of hacky old systems, and implementing some core features that have long been requested. I want to extend a special thanks to Zsolt Vasvari who has been doing a lot of the dirty work involved in these changes.

Consider the most recent changes a bit of internal "spring cleaning", and keep an eye out for bugs that might creep in as a result. As you can see from the whatsnew, we are tracking new bugs on the new and improved MAMETesters site, so please make sure you register with the bug database and log anything that seems to be amiss.

MAME 0.123u4

06 Mar 2008

A new update to MAME 0.123 is now available on the Source Updates page. A few big changes lurk in this update, so please give your favorite games a whirl to make sure we sift out any bugs before we start closing in on 0.124! Report what you find over at the new MAMETesters bug database.

MAME 0.123u3

27 Feb 2008

Time for another update to MAME 0.123. Read the whatsnew file for a full rundown of what's changed.

Also, thanks to Fujix's hard work over at MAMETesters, they will shortly be unveiling a new bug database to track issues in. This will allow for more distributed tracking and will hopefully make it easier to sift through the piles of bugs going forward.

MAME 0.123u2

21 Feb 2008

Another update to MAME 0.123 has just been posted on the updates page. Have fun checking out the Naomi progress and other cool stuff!

MAME 0.123u1

13 Feb 2008

The first update to MAME 0.123 is now available on the Source Updates page.

MAME 0.123

05 Feb 2008

Most of the glitches in 0.122u8 should be taken care of, so it's time to salute MAME's 11th birthday with a nice new release.

(Apologies in advance for the cut-off text in the whatsnew; it should read "Fixed incorrect default screen size in midyunit games." It wasn't a big enough error to prompt a recall!)