| /*
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| * speaker.c -- device driver for console speaker on 80386
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| *
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| * v1.0 by Eric S. Raymond (esr@snark.thyrsus.com) June 1990
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| * hacks for 386bsd by Andrew A. Chernov <ache@astral.msk.su>
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| * fixes for SVr4 by Wolfgang Denk <wd@pcsbst.pcs.de>
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| *
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| * The speaker.c code is copyright 1994 by Eric S. Raymond
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| * <esr@snark.thyrsus.com>. Use it as you like, as long as you include this
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| * notice in any derived works and explain how you derived them from speaker.c
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| * somewhere.
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| *
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| * $Id: speaker.c,v 1.10 1994/10/24 22:35:06 esr Exp $
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| *
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| * Portability requirements:
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| * Needs SVr3.2-compatible copyin(), inb(), outb(), timeout(), sleep(),
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| * spl5(), splx(), and wakeup().
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| */
|