Here is a port of ProSystem v1.2 PSP on GP2X. ProSystem is the best emulator of Atari 7800 game console, running on Windows system. It has been written by Greg Stanton, see http://home.comcast.net/~gscottstanton for details.

Changes:

– Optimizations to speed up the emulation, frame rate is now close to 50 fps even at 200Mhz
– Bug fix in the file requester
– L/R Trigger key can be used in the keyboard settings menu

http://zx81.zx81.free.fr/serendipity/index.php?/archives/307-guid.html