mc6845reg.h revision 1.2 1 1.2 tsutsui /* $NetBSD: mc6845reg.h,v 1.2 2003/01/27 14:53:33 tsutsui Exp $ */
2 1.1 drochner
3 1.1 drochner /*
4 1.1 drochner * Copyright (c) 1998
5 1.1 drochner * Matthias Drochner. All rights reserved.
6 1.1 drochner *
7 1.1 drochner * Redistribution and use in source and binary forms, with or without
8 1.1 drochner * modification, are permitted provided that the following conditions
9 1.1 drochner * are met:
10 1.1 drochner * 1. Redistributions of source code must retain the above copyright
11 1.1 drochner * notice, this list of conditions and the following disclaimer.
12 1.1 drochner * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 drochner * notice, this list of conditions and the following disclaimer in the
14 1.1 drochner * documentation and/or other materials provided with the distribution.
15 1.1 drochner * 3. All advertising materials mentioning features or use of this software
16 1.1 drochner * must display the following acknowledgement:
17 1.1 drochner * This product includes software developed for the NetBSD Project
18 1.1 drochner * by Matthias Drochner.
19 1.1 drochner * 4. The name of the author may not be used to endorse or promote products
20 1.1 drochner * derived from this software without specific prior written permission.
21 1.1 drochner *
22 1.1 drochner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 1.1 drochner * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 1.1 drochner * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 1.1 drochner * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 1.1 drochner * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 1.1 drochner * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 1.1 drochner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 1.1 drochner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 1.1 drochner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 1.1 drochner * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 1.1 drochner *
33 1.1 drochner */
34 1.1 drochner
35 1.1 drochner struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
36 1.2 tsutsui u_int8_t htotal, hdisple, hblanks, hblanke;
37 1.2 tsutsui u_int8_t hsyncs, hsynce, vtotal, overfll;
38 1.2 tsutsui u_int8_t irowaddr, maxrow, curstart, curend;
39 1.2 tsutsui u_int8_t startadrh, startadrl, cursorh, cursorl;
40 1.2 tsutsui u_int8_t vsyncs, vsynce, vde, offset;
41 1.2 tsutsui u_int8_t uloc, vbstart, vbend, mode;
42 1.2 tsutsui u_int8_t splitl;
43 1.1 drochner };
44 1.2 tsutsui
45 1.2 tsutsui #define MC6845_NREGS 25
46 1.2 tsutsui #define MC6845_INDEX 0x4
47 1.2 tsutsui #define MC6845_DATA 0x5
48