There's also an effort to decap the ASICs and take die photos to reverse engineer the schematics: http://www.atari-forum.com/viewtopic.php?t=29658 http://www.a

There's also an effort to decap the ASICs and take die photos to reverse engineer the schematics: http://www.atari-forum.com/viewtopic.php?t=29658 http://www.atari-forum.com/viewtopic.php?t=29658 (Shifter, display controller) http://www.atari-forum.com/viewtopic.php?t=30241 http://www.atari-forum.com/viewtopic.php?t=30241 (MMU, memory controller)