NEBULA is an emulator for the hardware found in the CAPCOM CPS2 boards. The games that use this hardware include Super Street Fighter, Street Fighter (Alpha, Zero, Alpha 2, etc), games with Marvel characters and Dungeons & Dragons series.
You'll not find any ROM links on this page
So don't even ask!
The Model 2 Emulator supporting some Model 2 and Model 2 A-CRX boards (Daytona anyone?).
This version of the emulator includes a preliminary emulation of the Fujitsu MB86234 DSP present in these boards.
Keep in mind that the emulation is still preliminary, as there is no documentation on this chip, and it has been done
by reverse engineering the binary programs and comparing with the model 2B and 2C programs and the MAME Model 1
HLE. I'd like to thank Olivier Galibert and Ernesto Corvi for their help in making possible this DSP emulation.
http://nebula.emulatronia.com/