PSG Stands for '''Programmable Sound Generator''' The [[Amstrad CPC]], CPC+ and [[KC Compact]] use a AY-3-8912 Programmable sound generator (referred to as [[PSG ]] in this document), operating at 1Mhz. This document will describe it's role in these systems. To understand the full functions please read the [[Datasheet AY-8913|datasheet]].
== Role of the AY-3-8912 ==
