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Diffstat (limited to 'system/alpha/h/wga.h')
| -rw-r--r-- | system/alpha/h/wga.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/system/alpha/h/wga.h b/system/alpha/h/wga.h new file mode 100644 index 000000000..e88b9aced --- /dev/null +++ b/system/alpha/h/wga.h @@ -0,0 +1,160 @@ +#ifndef _WGA_H_LOADED +#define _WGA_H_LOADED +/***************************************************************************** + + Copyright © 1993, 1994 Digital Equipment Corporation, + Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided +that the copyright notice and this permission notice appear in all copies +of software and supporting documentation, and that the name of Digital not +be used in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. Digital grants this permission +provided that you prominently mark, as not part of the original, any +modifications made to this software or documentation. + +Digital Equipment Corporation disclaims all warranties and/or guarantees +with regard to this software, including all implied warranties of fitness for +a particular purpose and merchantability, and makes no representations +regarding the use of, or the results of the use of, the software and +documentation in terms of correctness, accuracy, reliability, currentness or +otherwise; and you rely on the software, documentation and results solely at +your own risk. + +******************************************************************************/ + +/* + * $Id: wga.h,v 1.1.1.1 1997/10/30 23:27:18 verghese Exp $; + */ + +/* + * $Log: wga.h,v $ + * Revision 1.1.1.1 1997/10/30 23:27:18 verghese + * current 10/29/97 + * + * Revision 1.3 1994/08/05 20:13:47 fdh + * Updated Copyright header and RCS $Id: identifier. + * + * Revision 1.2 1994/06/20 14:18:59 fdh + * Fixup header file preprocessor #include conditionals. + * + * Revision 1.1 1993/06/08 19:56:17 fdh + * Initial revision + * + */ + + + +/* ALU to MERGE translation table */ +extern unsigned char mergexlate[]; + +/* Color Palette Registers */ +#define PALMASK 0x02EA +#define PALREAD_ADDR 0x02EB +#define PALWRITE_ADDR 0x02EC +#define PALDATA 0x02ED + +/* Video Timing Registers */ +#define H_TOTAL 0x02E8 /* Horizontal Total */ +#define H_DISP 0x06E8 /* Horizontal Displayed */ +#define H_SYNC_START 0x0AE8 /* Horizontal Sync Start */ +#define H_SYNC_WID 0x0EE8 /* Horizontal Sync Width and Polarity */ +#define V_TOTAL 0x12E8 /* Vertical Total */ +#define V_DISP 0x16E8 /* Vertical Displayed */ +#define V_SYNC_START 0x1AE8 /* Vertical Sync Start */ +#define V_SYNC_WID 0x1EE8 /* Vertical Sync Width and Polarity */ + + +#define DISP_CNTL 0x22E8 /* Display Control */ +#define SUBSYS_CNTL 0x42E8 /* Subsystem Control */ +#define ADVFUNC_CNTL 0x4AE8 /* Advanced Function Control */ +#define SUBSYS_STAT 0x42E8 /* Subsystem Status */ +#define GP_STAT 0x9AE8 /* Graphics Processor Status */ + +/* this block gets the 0x4000 bit turned on */ +#define CUR_Y (0x82E8 | 0x0000) +#define CUR_X (0x86E8 | 0x0000) +#define MULTIFUNC_CNTL (0xBEE8 | 0x0000) +#define ERR_TERM (0x92E8 | 0x0000) +#define DESTY_AXSTP (0x8AE8 | 0x0000) +#define DESTX_DIASTP (0x8EE8 | 0x0000) +#define MAJ_AXIS_PCNT (0x96E8 | 0x0000) +#define FG_COLOR (0xA6E8 | 0x0000) +#define BG_COLOR (0xA2E8 | 0x0000) +#define WR_MASK (0xAAE8 | 0x0000) +#define FG_MIX (0xBAE8 | 0x0000) +#define BG_MIX (0xB6E8 | 0x0000) +#define RD_MASK (0xAEE8 | 0x0000) +#define COLOR_CMP (0xB2E8 | 0x0000) +#define SHORT_STROKE (0x9EE8 | 0x0000) +#define CMD (0x9AE8 | 0x0000) + + +#define PIX_TRANS 0xE2E8 + +#define EXT_FIFO_STAT 0x9AEE + +/************** Command Register (0x9AE8) bit definitions ***************/ +/* + * Bits 15-13 - Drawing Function Command + */ +#define CMD_NOOP 0x0000 +#define CMD_LINE 0x2000 +#define CMD_XRECT 0x4000 +#define CMD_YRECT 0x6000 +#define CMD_FRECT 0x8000 +#define CMD_OUTLINE 0xA000 +#define CMD_COPYRECT 0xC000 +/* + * Bit 12 - Word Byte Order + */ +#define CMD_LSBFIRST 0x1000 +/* + * Bit 9 - Bus Width + */ +#define CMD_WORDBUS 0x0200 +#define CMD_BYTEBUS 0x0000 +/* + * Bit 8 - Variable Data Select + */ +#define CMD_VDATA 0x0100 +#define CMD_FDATA 0x0000 +/* + * Bit 7 - Y Direction + */ +#define CMD_INCY 0x0080 +/* + * Bit 6 - Major Axis + */ +#define CMD_YMAJOR 0x0040 +/* + * Bit 5 - X Direction + */ +#define CMD_INCX 0x0020 +/* + * Bit 4 - Draw Enable + */ +#define CMD_DRAW 0x0010 +/* + * Bit 3 - Coded Direction / Short Stroke + */ +#define CMD_SHORTSTROKE 0x0008 +/* + * Bit 2 - Draw Last Pixel + */ +#define CMD_NOLASTPIXEL 0x0004 +/* + * Bit 1 - Plane Mode + */ +#define CMD_ACROSS 0x0002 +#define CMD_THROUGH 0x0000 +/* + * Bit 0 - Read/Write + */ +#define CMD_WRITE 0x0001 +#define CMD_READ 0x0000 + +#endif /* _WGA_H_LOADED */ |