Originally Posted by R. Belmont
Is it an add-on chip in the cartridge, or are they toggling the SN76xxx volume really fast? The latter should just work.

Here is a short sample but can not hear the digital sound.
http://atariage.com/forums/topic/169661-squishem-sam/?p=2101369

No problems with CoolCV.

Anna's Playground for QMC2