fMSX-PSP is a MSX emulator for PlayStation Portable.

Changes:

* Added menu navigation options – select from US PSP navigation (X confirms, O cancels) or Japanese PSP navigation (O confirms, X cancels – also used by most homebrew emulators)
* Added RAM/VRAM adjustment options
* Added HBlank/VBlank period selection (PAL/NTSC)
* Added MSX model selection (MSX1, MSX2, MSX2+)
* Improved accuracy of frames-per-second counter
* User interface improvements
* fMSX updated to version 3.2
* Rendering speed increase, switched to 15bit color (these mostly affect menu rendering)
* Various bug fixes

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