161 lines
4.4 KiB
C
161 lines
4.4 KiB
C
#ifndef _WGA_H_LOADED
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#define _WGA_H_LOADED
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/*****************************************************************************
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Copyright © 1993, 1994 Digital Equipment Corporation,
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Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted, provided
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that the copyright notice and this permission notice appear in all copies
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of software and supporting documentation, and that the name of Digital not
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be used in advertising or publicity pertaining to distribution of the software
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without specific, written prior permission. Digital grants this permission
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provided that you prominently mark, as not part of the original, any
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modifications made to this software or documentation.
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Digital Equipment Corporation disclaims all warranties and/or guarantees
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with regard to this software, including all implied warranties of fitness for
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a particular purpose and merchantability, and makes no representations
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regarding the use of, or the results of the use of, the software and
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documentation in terms of correctness, accuracy, reliability, currentness or
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otherwise; and you rely on the software, documentation and results solely at
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your own risk.
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******************************************************************************/
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/*
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* $Id: wga.h,v 1.1.1.1 1997/10/30 23:27:18 verghese Exp $;
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*/
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/*
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* $Log: wga.h,v $
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* Revision 1.1.1.1 1997/10/30 23:27:18 verghese
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* current 10/29/97
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*
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* Revision 1.3 1994/08/05 20:13:47 fdh
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* Updated Copyright header and RCS $Id: identifier.
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*
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* Revision 1.2 1994/06/20 14:18:59 fdh
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* Fixup header file preprocessor #include conditionals.
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*
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* Revision 1.1 1993/06/08 19:56:17 fdh
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* Initial revision
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*
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*/
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/* ALU to MERGE translation table */
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extern unsigned char mergexlate[];
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/* Color Palette Registers */
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#define PALMASK 0x02EA
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#define PALREAD_ADDR 0x02EB
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#define PALWRITE_ADDR 0x02EC
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#define PALDATA 0x02ED
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/* Video Timing Registers */
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#define H_TOTAL 0x02E8 /* Horizontal Total */
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#define H_DISP 0x06E8 /* Horizontal Displayed */
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#define H_SYNC_START 0x0AE8 /* Horizontal Sync Start */
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#define H_SYNC_WID 0x0EE8 /* Horizontal Sync Width and Polarity */
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#define V_TOTAL 0x12E8 /* Vertical Total */
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#define V_DISP 0x16E8 /* Vertical Displayed */
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#define V_SYNC_START 0x1AE8 /* Vertical Sync Start */
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#define V_SYNC_WID 0x1EE8 /* Vertical Sync Width and Polarity */
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#define DISP_CNTL 0x22E8 /* Display Control */
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#define SUBSYS_CNTL 0x42E8 /* Subsystem Control */
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#define ADVFUNC_CNTL 0x4AE8 /* Advanced Function Control */
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#define SUBSYS_STAT 0x42E8 /* Subsystem Status */
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#define GP_STAT 0x9AE8 /* Graphics Processor Status */
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/* this block gets the 0x4000 bit turned on */
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#define CUR_Y (0x82E8 | 0x0000)
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#define CUR_X (0x86E8 | 0x0000)
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#define MULTIFUNC_CNTL (0xBEE8 | 0x0000)
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#define ERR_TERM (0x92E8 | 0x0000)
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#define DESTY_AXSTP (0x8AE8 | 0x0000)
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#define DESTX_DIASTP (0x8EE8 | 0x0000)
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#define MAJ_AXIS_PCNT (0x96E8 | 0x0000)
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#define FG_COLOR (0xA6E8 | 0x0000)
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#define BG_COLOR (0xA2E8 | 0x0000)
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#define WR_MASK (0xAAE8 | 0x0000)
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#define FG_MIX (0xBAE8 | 0x0000)
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#define BG_MIX (0xB6E8 | 0x0000)
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#define RD_MASK (0xAEE8 | 0x0000)
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#define COLOR_CMP (0xB2E8 | 0x0000)
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#define SHORT_STROKE (0x9EE8 | 0x0000)
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#define CMD (0x9AE8 | 0x0000)
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#define PIX_TRANS 0xE2E8
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#define EXT_FIFO_STAT 0x9AEE
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/************** Command Register (0x9AE8) bit definitions ***************/
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/*
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* Bits 15-13 - Drawing Function Command
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*/
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#define CMD_NOOP 0x0000
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#define CMD_LINE 0x2000
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#define CMD_XRECT 0x4000
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#define CMD_YRECT 0x6000
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#define CMD_FRECT 0x8000
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#define CMD_OUTLINE 0xA000
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#define CMD_COPYRECT 0xC000
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/*
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* Bit 12 - Word Byte Order
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*/
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#define CMD_LSBFIRST 0x1000
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/*
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* Bit 9 - Bus Width
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*/
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#define CMD_WORDBUS 0x0200
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#define CMD_BYTEBUS 0x0000
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/*
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* Bit 8 - Variable Data Select
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*/
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#define CMD_VDATA 0x0100
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#define CMD_FDATA 0x0000
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/*
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* Bit 7 - Y Direction
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*/
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#define CMD_INCY 0x0080
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/*
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* Bit 6 - Major Axis
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*/
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#define CMD_YMAJOR 0x0040
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/*
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* Bit 5 - X Direction
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*/
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#define CMD_INCX 0x0020
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/*
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* Bit 4 - Draw Enable
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*/
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#define CMD_DRAW 0x0010
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/*
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* Bit 3 - Coded Direction / Short Stroke
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*/
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#define CMD_SHORTSTROKE 0x0008
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/*
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* Bit 2 - Draw Last Pixel
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*/
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#define CMD_NOLASTPIXEL 0x0004
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/*
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* Bit 1 - Plane Mode
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*/
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#define CMD_ACROSS 0x0002
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#define CMD_THROUGH 0x0000
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/*
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* Bit 0 - Read/Write
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*/
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#define CMD_WRITE 0x0001
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#define CMD_READ 0x0000
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#endif /* _WGA_H_LOADED */
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