The Dragon32/64 emu for the GP32 has been updated, heres whats new:
Added -ram option.
RSDOS fixes.
Video timing code updated such that everything I have to test it with looks good.
Added -pal and -ntsc options.
Fixed 16-byte video modes.
Fixed keyboard translation for Windows.
Compatibility fixes for programs using "illegal" indexed addressing modes.
Support using audio files for cassette input (if built with libsndfile).
Download Here