1 /* $OpenBSD: mc6845reg.h,v 1.2 2004/04/02 04:39:50 deraadt Exp $ */
2 /* $NetBSD: mc6845reg.h,v 1.1 1998/05/28 16:48:40 drochner Exp $ */
3
4 /*
5 * Copyright (c) 1998
6 * Matthias Drochner. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
31 char htotal, hdisple, hblanks, hblanke;
32 char hsyncs, hsynce, vtotal, overfll;
33 char irowaddr, maxrow, curstart, curend;
34 char startadrh, startadrl, cursorh, cursorl;
35 char vsyncs, vsynce, vde, offset;
36 char uloc, vbstart, vbend, mode;
37 char splitl;
38 };
39 #define MC6845_INDEX 4
40 #define MC6845_DATA 5