/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 *	File: bt478.h
 * 	Author: Alessandro Forin, Carnegie Mellon University
 *	Date:	10/90
 *
 *	Defines for the bt478 Cursor/RAMDAC chip
 */

typedef struct {
	volatile unsigned char	addr_mapwa;
	volatile unsigned char	addr_map;
	volatile unsigned char	addr_mask;
	volatile unsigned char	addr_mapra;
	volatile unsigned char	addr_overwa;
	volatile unsigned char	addr_over;
	volatile unsigned char	addr_xxxx;
	volatile unsigned char	addr_overra;
} bt478_regmap_t;