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66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Copyright (c) 1997, 1999 Nicolas Souchu
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Distantly from :
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* @(#)lptreg.h 1.1 (Berkeley) 12/19/90
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* Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp
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* From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp
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*
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* $Id: lpt.h,v 1.1 1999/02/14 11:59:59 nsouch Exp $
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*/
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/*
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* AT Parallel Port (for lineprinter)
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* Interface port and bit definitions
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* Written by William Jolitz 12/18/90
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* Copyright (C) William Jolitz 1990
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*/
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#ifndef __LPT_H
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#define __LPT_H
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/* machine independent definitions, it shall only depend on the ppbus
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* parallel port model */
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#define LPS_NERR 0x08 /* printer no error */
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#define LPS_SEL 0x10 /* printer selected */
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#define LPS_OUT 0x20 /* printer out of paper */
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#define LPS_NACK 0x40 /* printer no ack of data */
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#define LPS_NBSY 0x80 /* printer no ack of data */
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#define LPC_STB 0x01 /* strobe data to printer */
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#define LPC_AUTOL 0x02 /* automatic linefeed */
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#define LPC_NINIT 0x04 /* initialize printer */
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#define LPC_SEL 0x08 /* printer selected */
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#define LPC_ENA 0x10 /* enable IRQ */
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#endif
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