Sid4Amiga C64 Music Player (Bug Fix Release)

- Specific OS4 engine included, with 68K GUI.
- GUI - With PlayList / Real time mixing / Filter / Reverb desk!
- Filter, Sync, Ring Mod and Sample Channel Emulation.
- Direct AHI and AHI Audio Device output.
- Can also be used by CLI to produce WAV files.
- Global Preferences.

Please note, after starting the GUI it is worth setting the "Play Buffer" to
small as it provides faster response times with the PPC and OS4.

This special OS4 version is beta and may contain bugs. 

Please see archive for history notes.