PSPHugo is a port on PSP of one latest version of Hu-Go. Hu-Go is a famous emulator of NEC PC Engine console, running on many system such as Linux and Windows, see http://www.zeograd.com/ for details.

Sources are included, and this package is under the GNU public licence v2, read COPYING.txt file for more information about it.

Changes:

– Rewrite sound engine using part of code from Hugo-Wii port version, it is now much closer to real PC Engine sound.
– Fix sprites display glitches in Gunhead and several other games
– Fix save state issue in all games (it was a miracle if that worked)
– Improve global emulation speed (fullspeed in many games at 266Mhz !)
– Add a new overclock option resulting in a faster emulation speed (but if you encounter any graphical glitches then you may have to set overclock to 0 and increase PSP clock speed instead)
– Improve file requester with virtual keyboard to choose sequentially rom files beginning with a given letter
– Volume booster
– Bug fix in the keyboard menu (joystick keys)
– Add documentation for settings in help menu

http://zx81.zx81.free.fr/serendipity/index.php?/archives/334-PSPHUGO-PC-Engine-Emulator-for-PSP-v1.0.2-sound+speed.html