42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
/* $NetBSD: mc6845reg.h,v 1.3 2004/03/24 17:26:53 drochner Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998
|
|
* Matthias Drochner. All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*
|
|
*/
|
|
|
|
struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
|
|
u_int8_t htotal, hdisple, hblanks, hblanke;
|
|
u_int8_t hsyncs, hsynce, vtotal, overfll;
|
|
u_int8_t irowaddr, maxrow, curstart, curend;
|
|
u_int8_t startadrh, startadrl, cursorh, cursorl;
|
|
u_int8_t vsyncs, vsynce, vde, offset;
|
|
u_int8_t uloc, vbstart, vbend, mode;
|
|
u_int8_t splitl;
|
|
};
|
|
|
|
#define MC6845_NREGS 25
|
|
#define MC6845_INDEX 0x4
|
|
#define MC6845_DATA 0x5
|