a5200
Port of Atari 5200 emulator for GCW0
Special thanks to :
Atari800 team for source code (http://atari800.sourceforge.net/)
zx81 (http://zx81.zx81.free.fr/serendipity_fr/) for GP2X-Atari version (that helped me a lot to understand Atari 5200).
qbertaddict for test.