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Atari800MacX is ported from the SDL version of this emulator, and added a full native Cocoa interface, including Preferences, Menus, File Associations, Help and more. Unlike the first primitive release, it now does not require libSDL to be installed seperately, but includes it within the application package. It does however require ROM image files from the original Atari systems, which are not included here.

Special Thanks go to Jacek Poplawski for writing the general SDL port, and the entire libSDL team that has made this port possible, as well as to the whole Atari800 team for their invaluable support and suggestions.

What's New

Version 4.6.0:

Note: This may be the last release supporting PPC, 10.4, and possibly 10.5. If you have any bugs you need fixed or new features you feel you have to have for these older versions, please email me and I will consider them.

Bugs Fixed:
  • Fixed issues with arrow keys in full screen menu and some of the Atari arrow key mappings.
  • Fixed issues with assigning tab, return, and


Mac OS X 10.4 or later

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Atari800MacX User Discussion

5 3


Current Version (4.x)


Downloads 19,828
Version Downloads 1,005
License Free
Date 30 Dec 2011
Platform OS X / PPC 32 / Intel 32
Price Free
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