The YM2413, also known as the OPLL (FM Operator Type-L Laser), is an iconic 2-channel operator frequency modulation synthesis chip developed by Yamaha in the late 1980s. Finding its home in legendary hardware like the MSX2+ computer, the Sega Master System (Japan), and various budget electronic keyboards, the chip is famous for its charming, lo-fi 8-bit sound.
If you are looking for the actual data to put into your instruments.bin : ym2413+instrumentsbin
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The interest in such a combination could stem from several areas: The YM2413, also known as the OPLL (FM