12 lines
347 B
C
12 lines
347 B
C
/* $NetBSD: spkrreg.h,v 1.1 1996/04/12 01:54:46 cgd Exp $ */
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/*
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* PIT port addresses and speaker control values
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*/
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#define PITAUX_PORT 0x61 /* port of Programmable Peripheral Interface */
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#define PIT_ENABLETMR2 0x01 /* Enable timer/counter 2 */
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#define PIT_SPKRDATA 0x02 /* Direct to speaker */
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#define PIT_SPKR (PIT_ENABLETMR2|PIT_SPKRDATA)
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