YMF262

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Yamaha YMF262
Yamaha YMF262.jpg
Developer: Yamaha
Released: 1992-??-??
Type: Chip

The Yamaha YMF262, known more colloquially as the OPL3, is a microchip designed to create audio waveforms. It is an improved version of the YM3812 (OPL2) with the following features:

  • Twice as many channels (18 instead of 9)
  • Simple stereo (hard left, center, or hard right)
  • 4 channel sound output
  • 4 new waveforms (alternating-sine, "camel"-sine, square, and logarithmic sawtooth)
  • 4 oscillator mode, pairing 2 channels together to create up to six 4 oscillator FM voices
  • Reduced latency for host-register access (the OPL2 had much longer I/O access delays)

The following sound cards utilized the YMF262:


Release

Company

Device

1992-??-?? Creative Sound Blaster Pro 2.0
1992-??-?? Ad Lib AdLib Gold
1992-??-?? Creative Sound Blaster 16
1994-03-?? Creative Sound Blaster AWE32

This list is meant to be in chronological order, but many release dates are missing.

Emulation Status

The YMF262 has been emulated by DOSBox and MAME.

Links