(with AdPlug 2.2.1 core and OPL3 support)
I needed OPL3 + DRO v2 support for the AdPlug Winamp plugin. Since the official distribution (even with the MAME patch supposedly applied) doesn't seem to support OPL3 with DRO files, I had to do this quick and dirty modification. Since someone else might find this useful, I'm making this modification available. Refer to this AdPlug page for licensing info. Source code is available here. Compiled with MSVC++ 2010. Not really tested, use at your own risk!