The Yamaha YMF262, also known as the OPL3 (OPL is an acronym for FM Operator Type-L), is an FM synthesis sound chip. It is an improved version of the Yamaha YM3812 (OPL2). It adds the following features:
- twice as many channels (18 instead of 9)
- simple stereo (hard left, center or hard right)
- 4 new waveforms (alternating-sine, "camel"-sine, square and logarithmic saw)
- 4 oscillator mode (combines 2 channels together, for maximum 6 channels)
- less time spent busy-waiting for a response from the chip, improved latency and system performance (the OPL2 required fairly long delays)
This chip is used for the Sound Blaster Pro 2.0, Sound Blaster 16 ASP and MSX OPL3 Cartridge. The functions of the YMF262 is included in its successor, the YMF278 (OPL4).
- MIDIbox FM, a YMF262-based DIY synthesizer
- AdlibTracker.net Adlib Tracker II (YMF262-Tracker)
- AnYMF262 emulator with an online player for OPL3 music.
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