Ym2413+instrumentsbin 💯

The YM2413 (OPLL) is a cost-reduced version of the YM3812 (OPL2). To save costs, Yamaha implemented specific limitations:

You need a file named ym2413.zip . This is considered a "device" or "BIOS" file in MAME terminology, separate from individual game ROMs. ym2413+instrumentsbin