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Annotation of sys/dev/ic/mc6845reg.h, Revision 1.1.1.1

1.1       nbrk        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