Developer Uguru has released a 9 day preview for his Turbografx / PC Engine emulator uPCE, which runs via Dingux.

Features:

– Speed emulation: 40-45 fps @ 333 mhz (default) / 50-60 @ 400 mhz (approx)
– uGUI, menu with a lots of options:
* Load/Save savestates (w/ screenshots)
* Input, video & sound options
* Loads .pce & .iso (and compressed ZIP files)
* Frameskip selector & overclocking

http://www.developia.info/2009/09/upce-9day-preview-090909.html