diff options
| author | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
|---|---|---|
| committer | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
| commit | f07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch) | |
| tree | 12b07c7e578fc1a5f53dbfde2632408491ff2a70 /chips/bt478.h | |
Initial source
Diffstat (limited to 'chips/bt478.h')
| -rw-r--r-- | chips/bt478.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/chips/bt478.h b/chips/bt478.h new file mode 100644 index 0000000..a60108f --- /dev/null +++ b/chips/bt478.h @@ -0,0 +1,44 @@ +/* + * 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; + |