Well...found out it's the emu....I've downloaded the Windows version of Yabause, and it has the same problem...
If you try to launch cue+iso+mp3 the games doesn't start....if you try mounting the image on a virtual drive (changing mp3 to wav), the game starts....
If you try to launch cue+iso+mp3 the games doesn't start....if you try mounting the image on a virtual drive (changing mp3 to wav), the game starts....