NetBSD/share/man/man4/opl.4

.\" $NetBSD: opl.4,v 1.14 2001/03/30 14:34:27 minoura Exp $
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.\" by Lennart Augustsson.
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.Dd August 18, 1998
.Dt OPL 4
.Os
.Sh NAME
.Nm opl
.Nd Yamaha OPL2 and OPL3 FM MIDI synthesizer driver
.Sh SYNOPSIS
.Cd "opl*  at eso?"
.Cd "opl*  at ess?"
.Cd "opl*  at fms?"
.Cd "opl0  at isa? port 0x388"
.Cd "opl*  at sb?"
.Cd "opl*  at sv?"
.Cd "opl*  at wss?"
.Cd "opl*  at yds?"
.Cd "opl*  at ym?"
.Cd "midi* at opl?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the Yamaha OPL2 (YM3812) and OPL3
(YMF262) chips.  The chips are FM synthesizers and are capable
of producing a wide range of (mostly awful) sounds.
.Pp
Access to the device is through the MIDI driver.
.Pp
The
.Nm
driver usually attaches to a sound card, but it can also sit
directly on the ISA bus.
.Sh BUGS
The OPL3 chip is operated in OPL2 mode despite being more capable.
.Sh SEE ALSO
.Xr eso 4 ,
.Xr ess 4 ,
.Xr fms 4 ,
.Xr isa 4 ,
.Xr midi 4 ,
.Xr sb 4 ,
.Xr sv 4 ,
.Xr wss 4 ,
.Xr yds 4 ,
.Xr ym 4
.Sh HISTORY
The
.Nm
device driver appeared in
.Nx 1.4 .