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quake / WinQuake / vregset.h

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/*
Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
//
// vregset.h: header file for video register-setting interpreter
//

//
// registers & subregisters
//
#define MISC_OUTPUT	0x3C2

#define SC_INDEX		0x3C4
#define SC_DATA			0x3C5
#define SYNC_RESET		0
#define MAP_MASK		2
#define MEMORY_MODE		4

#define GC_INDEX		0x3CE
#define GC_DATA			0x3CF
#define READ_MAP		4
#define GRAPHICS_MODE	5
#define MISCELLANOUS	6

#define CRTC_INDEX		0x3D4
#define CRTC_DATA		0x3D5
#define MAX_SCAN_LINE	9
#define UNDERLINE		0x14
#define	MODE_CONTROL	0x17

//
// register-set commands
//
#define VRS_END			0
#define VRS_BYTE_OUT	1
#define VRS_BYTE_RMW	2
#define VRS_WORD_OUT	3

void VideoRegisterSet (int *pregset);