fMSX PSP is a MSX emulator for PlayStation Portable.

Changes:

MSXMUSIC and MSXAUDIO emulation can now be toggled on and off at any time
FDD (Floppy Disk Drive) activity indicator – displays an icon whenever the virtual floppy drive is busy
Optional (and discouraged) hi-resolution renderer for screen modes 6, 7 and text-80

http://psp.akop.org/fmsx/