Guys, the emu I downloaded first time didn't work, it was the 1.0.3 one, but I've replaced it by this one, 1.0.6 beta, and it works perfectly. I've been playing SoulCalibur and Sonic Adventure 2 this eve.
So, this is the link I downloaded from:
Nulldc 1.0.6 beta by Shadow 4300
This one...