Crt0 has updated his site with this tidbit of news concerning his Genesis emulator for Dreamcast:

Not much to speak of with this emulator yet… quick status rundown:

M68k – emulated (with Musashi, custom core has not been developed)
Z80 – emulated (not sure which core, custom core has not been completed)
VDP – emulated (don’t really know if it works yet, no video output yet)
PSG – emulated (no sound output yet)
FM – not emulated
3 button control pads – emulated (don’t know if they work yet)
6 button control pads – not emulated

Check his dev site out http://consolevision.com/crt0/