K-teto has updated his port of Gnuboy for the GP2x. Thanks to GP32Spain for the news. Changes:
0.3
Screen and controls code using rlyeh’s minilib, sound is using SDL yet. controls 100% ok with diagonals. No volume control yet. Minor fixes. Compressed with rlyeh’s gpecomp 0.2.
http://www.gp32spain.com/foros/showthread.php?t=25445&page=2