src/include/lptreg.h

/*  GXemul: $Id: lptreg.h,v 1.1 2005/11/12 11:34:31 debug Exp $  */
/*      $NetBSD: lptreg.h,v 1.8 2005/02/27 00:27:02 perry Exp $ */

#ifndef LPTREG_H
#define LPTREG_H

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)lptreg.h    1.1 (Berkeley) 12/19/90
 */

/*
 * AT Parallel Port (for lineprinter)
 * Interface port and bit definitions
 * Written by William Jolitz 12/18/90
 * Copyright (C) William Jolitz 1990
 */

/*
 * On a standard DB25 parallel port, the bits show up as follows:
 *
 *   13   12   11   10    9    8    7    6    5    4    3    2    1
 *  ~S7   S6   S5   S4   D7   D6   D5   D4   D3   D2   D1   D0  ~C0
 *
 *      G    G    G    G    G    G    G    G   ~C3   C2   S3  ~C1
 *      25   24   23   22   21   20   19   18   17   16   15   14
 *
 *  D7-D0 are output bits from the data register
 *  S7-S3 are input bits read at the status register
 *  C3-C0 are output bits from the control register
 */

#define LPT_DATA        0       /* Data to/from printer (R/W) */

#define LPT_STATUS      1       /* Status of printer (R) */
#define LPS_NERR                0x08    /* printer no error */
#define LPS_SELECT              0x10    /* printer selected */
#define LPS_NOPAPER             0x20    /* printer out of paper */
#define LPS_NACK                0x40    /* printer no ack of data */
#define LPS_NBSY                0x80    /* printer no ack of data */

#define LPT_CONTROL     2       /* Control printer (R/W) */
#define LPC_STROBE              0x01    /* strobe data to printer */
#define LPC_AUTOLF              0x02    /* automatic linefeed */
#define LPC_NINIT               0x04    /* initialize printer */
#define LPC_SELECT              0x08    /* printer selected */
#define LPC_IENABLE             0x10    /* printer out of paper */

#define LPT_NPORTS      4

#endif  /*  LPTREG_H  */
1	dpavlin	20	/* GXemul: $Id: lptreg.h,v 1.1 2005/11/12 11:34:31 debug Exp $ */
2			/* $NetBSD: lptreg.h,v 1.8 2005/02/27 00:27:02 perry Exp $ */
3
4			#ifndef LPTREG_H
5			#define LPTREG_H
6
7			/*-
8			* Copyright (c) 1990 The Regents of the University of California.
9			* All rights reserved.
10			*
11			* This code is derived from software contributed to Berkeley by
12			* William Jolitz.
13			*
14			* Redistribution and use in source and binary forms, with or without
15			* modification, are permitted provided that the following conditions
16			* are met:
17			* 1. Redistributions of source code must retain the above copyright
18			* notice, this list of conditions and the following disclaimer.
19			* 2. Redistributions in binary form must reproduce the above copyright
20			* notice, this list of conditions and the following disclaimer in the
21			* documentation and/or other materials provided with the distribution.
22			* 3. Neither the name of the University nor the names of its contributors
23			* may be used to endorse or promote products derived from this software
24			* without specific prior written permission.
25			*
26			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36			* SUCH DAMAGE.
37			*
38			* @(#)lptreg.h 1.1 (Berkeley) 12/19/90
39			*/
40
41			/*
42			* AT Parallel Port (for lineprinter)
43			* Interface port and bit definitions
44			* Written by William Jolitz 12/18/90
45			* Copyright (C) William Jolitz 1990
46			*/
47
48			/*
49			* On a standard DB25 parallel port, the bits show up as follows:
50			*
51			* 13 12 11 10 9 8 7 6 5 4 3 2 1
52			* ~S7 S6 S5 S4 D7 D6 D5 D4 D3 D2 D1 D0 ~C0
53			*
54			* G G G G G G G G ~C3 C2 S3 ~C1
55			* 25 24 23 22 21 20 19 18 17 16 15 14
56			*
57			* D7-D0 are output bits from the data register
58			* S7-S3 are input bits read at the status register
59			* C3-C0 are output bits from the control register
60			*/
61
62			#define LPT_DATA 0 /* Data to/from printer (R/W) */
63
64			#define LPT_STATUS 1 /* Status of printer (R) */
65			#define LPS_NERR 0x08 /* printer no error */
66			#define LPS_SELECT 0x10 /* printer selected */
67			#define LPS_NOPAPER 0x20 /* printer out of paper */
68			#define LPS_NACK 0x40 /* printer no ack of data */
69			#define LPS_NBSY 0x80 /* printer no ack of data */
70
71			#define LPT_CONTROL 2 /* Control printer (R/W) */
72			#define LPC_STROBE 0x01 /* strobe data to printer */
73			#define LPC_AUTOLF 0x02 /* automatic linefeed */
74			#define LPC_NINIT 0x04 /* initialize printer */
75			#define LPC_SELECT 0x08 /* printer selected */
76			#define LPC_IENABLE 0x10 /* printer out of paper */
77
78			#define LPT_NPORTS 4
79
80			#endif /* LPTREG_H */