No, Atari ST used a simpler sound generator chip. See http://www.atkinsoft.com/soundgenerators.html On 10/29/2018 11:48 AM, Tomas Kral wrote: > On Mon, 29 Oct 2018 10:56:41 -0700 > Magnus Karlsson <magnus at saanlima.com> wrote: > >> Yamaha OPL2 > The very same YM, ATARI ST machine has? >