based on opl3emu2 version 1.1.1 by Joel Yliluoma, itself based on fmopl.c version 0.72 from MAME, which is: Copyright (C) 2002,2003 Jarek Burczynski (bujar at mame dot net) Copyright (C) 1999,2000 Tatsuyuki Satoh , MultiArcadeMachineEmulator development this is a... work in progress. use at your own peril.