BSC has released the source code of Soundtrakker 128.

He is also the author of AYAY Kaeppttn!a SID player/tracker .

He is working on AY³ aka AYcubed, a new SID engine which emulates some parts of the SID sound like:

• 3 independent voices
• synthesized square and sawtooth wave forms
• variable duty cycle on square waves Stereo!