OPL(4)                    OpenBSD Programmer's Manual                   OPL(4)

NAME
     opl - Yamaha OPL2 and OPL3 FM synthesizer driver

SYNOPSIS
     opl*  at ess?
     opl0  at isa? port 0x388
     opl*  at sb?
     opl*  at wss?
     midi* at opl?

DESCRIPTION
     The opl driver provides support for the Yamaha OPL2 (YM3812) and OPL3
     (YMF262) chips.  The chips are FM synthesizer and are capable of produc-
     ing a wide range of (mostly awful) sounds.

     Access to the device is through the MIDI driver.

     The opl driver usually attaches to a sound card, but it can also sit di-
     rectly on the ISA bus.

SEE ALSO
     ess(4), isa(4), midi(4), sb(4), wss(4)

HISTORY
     The opl device driver first appeared in NetBSD 1.4.

OpenBSD 3.0                     August 18, 1998                              1
