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/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 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: dc503.h
* Author: Alessandro Forin, Carnegie Mellon University
* Date: 9/90
*
* Defines for the DEC DC503 Programmable Cursor
*/
typedef struct {
volatile unsigned short pcc_cmdr; /* all regs are wo */
volatile unsigned short pcc_xpos;
volatile unsigned short pcc_ypos;
volatile unsigned short pcc_xmin1;
volatile unsigned short pcc_xmax1;
volatile unsigned short pcc_ymin1;
volatile unsigned short pcc_ymax1;
volatile unsigned short pcc_xmin2;
volatile unsigned short pcc_xmax2;
volatile unsigned short pcc_ymin2;
volatile unsigned short pcc_ymax2;
volatile unsigned short pcc_memory;
} dc503_regmap_t;
/*
* Command register bits
*/
#define DC503_CMD_TEST 0x8000 /* cursor test flip-flop */
#define DC503_CMD_HSHI 0x4000 /* Hor sync polarity */
#define DC503_CMD_VBHI 0x2000 /* Ver blank polarity */
#define DC503_CMD_LODSA 0x1000 /* load sprite array */
#define DC503_CMD_FORG2 0x0800 /* force detector2 to one */
#define DC503_CMD_ENRG2 0x0400 /* enable detector2 */
#define DC503_CMD_FORG1 0x0200 /* force detector1 to one */
#define DC503_CMD_ENRG1 0x0100 /* enable detector1 */
#define DC503_CMD_XHWID 0x0080 /* hair cursor (double) width */
#define DC503_CMD_XHCL1 0x0040 /* hair clip region */
#define DC503_CMD_XHCLP 0x0020 /* clip hair inside region */
#define DC503_CMD_XHAIR 0x0010 /* enable hair cursor */
#define DC503_CMD_FOPB 0x0008 /* force curs plane B to one */
#define DC503_CMD_ENPB 0x0004 /* enable curs plane B */
#define DC503_CMD_FOPA 0x0002 /* force curs plane A to one */
#define DC503_CMD_ENPA 0x0001 /* enable curs plane A */
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