In cases like the Sonic game you have mentioned, these games run natively at 30 FPS instead of 60.
Also: Mario Kart D.D. runs fine with LLE audio or with HLE audio? (with HLE audio it´s normal to have full speed in that game. ).
Also: Mario Kart D.D. runs fine with LLE audio or with HLE audio? (with HLE audio it´s normal to have full speed in that game. ).