Non-PSID sample tunes eat too many cycles at the moment. Some of them play okay at 250MHz (e.g. Turbo Outrun), but others still have problems. The "PSID" versions seem to play fine though.
There is some playlist code in there (from another sidplay2/reSID port I did for the PocketPC), but I...
Sidplay2x is a music player for Commodore 64 songs which is based on sidplay2 and reSID for high quality emulation. Please have a look at the accompanying README file for more info.
Download Sidplay2x here.
I'll be releasing the source at some stage, but I need to tidy it up and do a proper...