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dosbox-wii/src/ints/int10_modes.cpp

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sync
2009-11-10 09:56:18 +01:00
/*
sync with SVN
2010-02-18 07:03:55 +01:00
* Copyright (C) 2002-2010 The DOSBox Team
sync
2009-11-10 09:56:18 +01:00
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: int10_modes.cpp,v 1.91 2009-10-19 16:00:22 h-a-l-9000 Exp $ */
#include <string.h>
#include "dosbox.h"
#include "mem.h"
#include "inout.h"
#include "int10.h"
#include "mouse.h"
#include "vga.h"
#define _EGA_HALF_CLOCK 0x0001
#define _EGA_LINE_DOUBLE 0x0002
#define _VGA_PIXEL_DOUBLE 0x0004
#define SEQ_REGS 0x05
#define GFX_REGS 0x09
#define ATT_REGS 0x15
VideoModeBlock ModeList_VGA[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x001 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x002 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x003 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x004 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x005 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x006 ,M_CGA2 ,640 ,200 ,80 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x007 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB0000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x00D ,M_EGA ,320 ,200 ,40 ,25 ,8 ,8 ,8 ,0xA0000 ,0x2000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE },
{ 0x00E ,M_EGA ,640 ,200 ,80 ,25 ,8 ,8 ,4 ,0xA0000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_LINE_DOUBLE },
{ 0x00F ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },/*was EGA_2*/
{ 0x010 ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },
{ 0x011 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },/*was EGA_2 */
{ 0x012 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },
{ 0x013 ,M_VGA ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x2000 ,100 ,449 ,80 ,400 ,0 },
{ 0x054 ,M_TEXT ,1056,688, 132,43, 8, 16, 1 ,0xB8000 ,0x4000, 192, 800, 132,688, 0 },
{ 0x055 ,M_TEXT ,1056,400, 132,25, 8, 16, 1 ,0xB8000 ,0x2000, 192, 449, 132,400, 0 },
sync with SVN
2010-02-18 07:03:55 +01:00
/* Alias of mode 101 */
{ 0x069 ,M_LIN8 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 ,0 },
sync
2009-11-10 09:56:18 +01:00
/* Alias of mode 102 */
{ 0x06A ,M_LIN4 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,128 ,663 ,100,600 ,0 },
/* Follow vesa 1.2 for first 0x20 */
{ 0x100 ,M_LIN8 ,640 ,400 ,80 ,25 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 ,0 },
{ 0x101 ,M_LIN8 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 ,0 },
{ 0x102 ,M_LIN4 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,132 ,628 ,100,600 ,0 },
{ 0x103 ,M_LIN8 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,132 ,628 ,100,600 ,0 },
{ 0x104 ,M_LIN4 ,1024,768 ,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,168 ,806 ,128,768 ,0 },
{ 0x105 ,M_LIN8 ,1024,768 ,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,168 ,806 ,128,768 ,0 },
{ 0x106 ,M_LIN4 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,212 ,1066,160,1024,0 },
{ 0x107 ,M_LIN8 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,212 ,1066,160,1024,0 },
{ 0x10D ,M_LIN15 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x10E ,M_LIN16 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x10F ,M_LIN32 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x10000,50 ,449 ,40 ,400 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x110 ,M_LIN15 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,200 ,525 ,160,480 ,0 },
{ 0x111 ,M_LIN16 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,200 ,525 ,160,480 ,0 },
{ 0x112 ,M_LIN32 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 ,0 },
{ 0x113 ,M_LIN15 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,264 ,628 ,200,600 ,0 },
{ 0x114 ,M_LIN16 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,264 ,628 ,200,600 ,0 },
{ 0x115 ,M_LIN32 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,132 ,628 ,100,600 ,0 },
{ 0x116 ,M_LIN15 ,1024,768 ,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,336 ,806 ,256,768 ,0 },
{ 0x117 ,M_LIN16 ,1024,768 ,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,336 ,806 ,256,768 ,0 },
{ 0x118 ,M_LIN32 ,1024,768 ,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,168 ,806 ,128,768 ,0 },
/* those should be interlaced but ok */
//{ 0x119 ,M_LIN15 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,424 ,1066,320,1024,0 },
//{ 0x11A ,M_LIN16 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,424 ,1066,320,1024,0 },
{ 0x150 ,M_LIN8 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x151 ,M_LIN8 ,320 ,240 ,40 ,30 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x152 ,M_LIN8 ,320 ,400 ,40 ,50 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 , _VGA_PIXEL_DOUBLE },
{ 0x153 ,M_LIN8 ,320 ,480 ,40 ,60 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 , _VGA_PIXEL_DOUBLE },
{ 0x160 ,M_LIN15 ,320 ,240 ,40 ,30 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 , 80 ,480 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x161 ,M_LIN15 ,320 ,400 ,40 ,50 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 , 80 ,400 , _VGA_PIXEL_DOUBLE },
{ 0x162 ,M_LIN15 ,320 ,480 ,40 ,60 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 , 80 ,480 , _VGA_PIXEL_DOUBLE },
{ 0x165 ,M_LIN15 ,640 ,400 ,80 ,25 ,8 ,16 ,1 ,0xA0000 ,0x10000,200 ,449 ,160 ,400 ,0 },
{ 0x170 ,M_LIN16 ,320 ,240 ,40 ,30 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 , 80 ,480 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x171 ,M_LIN16 ,320 ,400 ,40 ,50 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,449 , 80 ,400 , _VGA_PIXEL_DOUBLE },
{ 0x172 ,M_LIN16 ,320 ,480 ,40 ,60 ,8 ,8 ,1 ,0xA0000 ,0x10000,100 ,525 , 80 ,480 , _VGA_PIXEL_DOUBLE },
{ 0x175 ,M_LIN16 ,640 ,400 ,80 ,25 ,8 ,16 ,1 ,0xA0000 ,0x10000,200 ,449 ,160 ,400 ,0 },
{ 0x190 ,M_LIN32 ,320 ,240 ,40 ,30 ,8 ,8 ,1 ,0xA0000 ,0x10000, 50 ,525 ,40 ,480 , _VGA_PIXEL_DOUBLE | _EGA_LINE_DOUBLE },
{ 0x191 ,M_LIN32 ,320 ,400 ,40 ,50 ,8 ,8 ,1 ,0xA0000 ,0x10000, 50 ,449 ,40 ,400 , _VGA_PIXEL_DOUBLE },
{ 0x192 ,M_LIN32 ,320 ,480 ,40 ,60 ,8 ,8 ,1 ,0xA0000 ,0x10000, 50 ,525 ,40 ,480 , _VGA_PIXEL_DOUBLE },
/* S3 specific modes */
{ 0x207 ,M_LIN8 ,1152,864,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,182 ,948 ,144,864 ,0 },
{ 0x209 ,M_LIN15 ,1152,864,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,364 ,948 ,288,864 ,0 },
{ 0x20A ,M_LIN16 ,1152,864,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,364 ,948 ,288,864 ,0 },
//{ 0x20B ,M_LIN32 ,1152,864,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,182 ,948 ,144,864 ,0 },
{ 0x213 ,M_LIN32 ,640 ,400,80 ,25 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 ,0 },
/* Some custom modes */
//{ 0x220 ,M_LIN32 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0x10000,212 ,1066,160,1024,0 },
// A nice 16:9 mode
{ 0x222 ,M_LIN8 ,848 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,132 ,525 ,106 ,480 ,0 },
{ 0x223 ,M_LIN15 ,848 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,264 ,525 ,212 ,480 ,0 },
{ 0x224 ,M_LIN16 ,848 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,264 ,525 ,212 ,480 ,0 },
{ 0x225 ,M_LIN32 ,848 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,132 ,525 ,106 ,480 ,0 },
{0xFFFF ,M_ERROR ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x00000 ,0x0000 ,0 ,0 ,0 ,0 ,0 },
};
VideoModeBlock ModeList_VGA_Text_200lines[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,320 ,200 ,40 ,25 ,8 , 8 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x001 ,M_TEXT ,320 ,200 ,40 ,25 ,8 , 8 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x002 ,M_TEXT ,640 ,200 ,80 ,25 ,8 , 8 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,_EGA_LINE_DOUBLE },
{ 0x003 ,M_TEXT ,640 ,200 ,80 ,25 ,8 , 8 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,_EGA_LINE_DOUBLE }
};
VideoModeBlock ModeList_VGA_Text_350lines[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,320 ,350 ,40 ,25 ,8 ,14 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,350 ,_EGA_HALF_CLOCK },
{ 0x001 ,M_TEXT ,320 ,350 ,40 ,25 ,8 ,14 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,350 ,_EGA_HALF_CLOCK },
{ 0x002 ,M_TEXT ,640 ,350 ,80 ,25 ,8 ,14 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,350 ,0 },
{ 0x003 ,M_TEXT ,640 ,350 ,80 ,25 ,8 ,14 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,350 ,0 }
};
VideoModeBlock ModeList_VGA_Tseng[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x001 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x002 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x003 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x004 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x005 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x006 ,M_CGA2 ,640 ,200 ,80 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x007 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB0000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x00D ,M_EGA ,320 ,200 ,40 ,25 ,8 ,8 ,8 ,0xA0000 ,0x2000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE },
{ 0x00E ,M_EGA ,640 ,200 ,80 ,25 ,8 ,8 ,4 ,0xA0000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_LINE_DOUBLE },
{ 0x00F ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },/*was EGA_2*/
{ 0x010 ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },
{ 0x011 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },/*was EGA_2 */
{ 0x012 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },
{ 0x013 ,M_VGA ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x2000 ,100 ,449 ,80 ,400 ,0 },
{ 0x018 ,M_TEXT ,1056 ,688, 132,44, 8, 8, 1 ,0xB0000 ,0x4000, 192, 800, 132, 704, 0 },
{ 0x019 ,M_TEXT ,1056 ,400, 132,25, 8, 16,1 ,0xB0000 ,0x2000, 192, 449, 132, 400, 0 },
{ 0x01A ,M_TEXT ,1056 ,400, 132,28, 8, 16,1 ,0xB0000 ,0x2000, 192, 449, 132, 448, 0 },
{ 0x022 ,M_TEXT ,1056 ,688, 132,44, 8, 8, 1 ,0xB8000 ,0x4000, 192, 800, 132, 704, 0 },
{ 0x023 ,M_TEXT ,1056 ,400, 132,25, 8, 16,1 ,0xB8000 ,0x2000, 192, 449, 132, 400, 0 },
{ 0x024 ,M_TEXT ,1056 ,400, 132,28, 8, 16,1 ,0xB8000 ,0x2000, 192, 449, 132, 448, 0 },
{ 0x025 ,M_LIN4 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 , 0 },
{ 0x029 ,M_LIN4 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0xA000, 128 ,663 ,100,600 , 0 },
{ 0x02D ,M_LIN8 ,640 ,350 ,80 ,21 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,350 , 0 },
{ 0x02E ,M_LIN8 ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,525 ,80 ,480 , 0 },
{ 0x02F ,M_LIN8 ,640 ,400 ,80 ,25 ,8 ,16 ,1 ,0xA0000 ,0x10000,100 ,449 ,80 ,400 , 0 },/* ET4000 only */
{ 0x030 ,M_LIN8 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0x10000,128 ,663 ,100,600 , 0 },
{ 0x036 ,M_LIN4 ,960 , 720,120,45 ,8 ,16 ,1 ,0xA0000 ,0xA000, 120 ,800 ,120,720 , 0 },/* STB only */
{ 0x037 ,M_LIN4 ,1024, 768,128,48 ,8 ,16 ,1 ,0xA0000 ,0xA000, 128 ,800 ,128,768 , 0 },
{ 0x038 ,M_LIN8 ,1024 ,768,128,48 ,8 ,16 ,1 ,0xA0000 ,0x10000,128 ,800 ,128,768 , 0 },/* ET4000 only */
{ 0x03D ,M_LIN4 ,1280,1024,160,64 ,8 ,16 ,1 ,0xA0000 ,0xA000, 160 ,1152,160,1024, 0 },/* newer ET4000 */
{ 0x03E ,M_LIN4 ,1280, 960,160,60 ,8 ,16 ,1 ,0xA0000 ,0xA000, 160 ,1024,160,960 , 0 },/* Definicon only */
{ 0x06A ,M_LIN4 ,800 ,600 ,100,37 ,8 ,16 ,1 ,0xA0000 ,0xA000, 128 ,663 ,100,600 , 0 },/* newer ET4000 */
{0xFFFF ,M_ERROR ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x00000 ,0x0000 ,0 ,0 ,0 ,0 ,0 },
};
VideoModeBlock ModeList_VGA_Paradise[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x001 ,M_TEXT ,360 ,400 ,40 ,25 ,9 ,16 ,8 ,0xB8000 ,0x0800 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK },
{ 0x002 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x003 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB8000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x004 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x005 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x006 ,M_CGA2 ,640 ,200 ,80 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x007 ,M_TEXT ,720 ,400 ,80 ,25 ,9 ,16 ,8 ,0xB0000 ,0x1000 ,100 ,449 ,80 ,400 ,0 },
{ 0x00D ,M_EGA ,320 ,200 ,40 ,25 ,8 ,8 ,8 ,0xA0000 ,0x2000 ,50 ,449 ,40 ,400 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE },
{ 0x00E ,M_EGA ,640 ,200 ,80 ,25 ,8 ,8 ,4 ,0xA0000 ,0x4000 ,100 ,449 ,80 ,400 ,_EGA_LINE_DOUBLE },
{ 0x00F ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },/*was EGA_2*/
{ 0x010 ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,100 ,449 ,80 ,350 ,0 },
{ 0x011 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },/*was EGA_2 */
{ 0x012 ,M_EGA ,640 ,480 ,80 ,30 ,8 ,16 ,1 ,0xA0000 ,0xA000 ,100 ,525 ,80 ,480 ,0 },
{ 0x013 ,M_VGA ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xA0000 ,0x2000 ,100 ,449 ,80 ,400 ,0 },
{ 0x054 ,M_TEXT ,1056 ,688, 132,43, 8, 9, 1, 0xB0000, 0x4000, 192, 720, 132,688, 0 },
{ 0x055 ,M_TEXT ,1056 ,400, 132,25, 8, 16,1, 0xB0000, 0x2000, 192, 449, 132,400, 0 },
{ 0x056 ,M_TEXT ,1056 ,688, 132,43, 8, 9, 1, 0xB0000, 0x4000, 192, 720, 132,688, 0 },
{ 0x057 ,M_TEXT ,1056 ,400, 132,25, 8, 16,1, 0xB0000, 0x2000, 192, 449, 132,400, 0 },
{ 0x058 ,M_LIN4 ,800 , 600, 100,37, 8, 16,1, 0xA0000, 0xA000, 128 ,663 ,100,600, 0 },
{ 0x05D ,M_LIN4 ,1024, 768, 128,48 ,8, 16,1, 0xA0000, 0x10000,128 ,800 ,128,768 ,0 }, // documented only on C00 upwards
{ 0x05E ,M_LIN8 ,640 , 400, 80 ,25, 8, 16,1, 0xA0000, 0x10000,100 ,449 ,80 ,400, 0 },
{ 0x05F ,M_LIN8 ,640 , 480, 80 ,30, 8, 16,1, 0xA0000, 0x10000,100 ,525 ,80 ,480, 0 },
{0xFFFF ,M_ERROR ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x00000 ,0x0000 ,0 ,0 ,0 ,0 ,0 },
};
VideoModeBlock ModeList_EGA[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde special flags */
{ 0x000 ,M_TEXT ,320 ,350 ,40 ,25 ,8 ,14 ,8 ,0xB8000 ,0x0800 ,50 ,366 ,40 ,350 ,_EGA_HALF_CLOCK },
{ 0x001 ,M_TEXT ,320 ,350 ,40 ,25 ,8 ,14 ,8 ,0xB8000 ,0x0800 ,50 ,366 ,40 ,350 ,_EGA_HALF_CLOCK },
{ 0x002 ,M_TEXT ,640 ,350 ,80 ,25 ,8 ,14 ,8 ,0xB8000 ,0x1000 ,96 ,366 ,80 ,350 ,0 },
{ 0x003 ,M_TEXT ,640 ,350 ,80 ,25 ,8 ,14 ,8 ,0xB8000 ,0x1000 ,96 ,366 ,80 ,350 ,0 },
{ 0x004 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,60 ,262 ,40 ,200 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x005 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,60 ,262 ,40 ,200 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE},
{ 0x006 ,M_CGA2 ,640 ,200 ,80 ,25 ,8 ,8 ,1 ,0xB8000 ,0x4000 ,120 ,262 ,80 ,200 ,_EGA_LINE_DOUBLE},
{ 0x007 ,M_TEXT ,720 ,350 ,80 ,25 ,9 ,14 ,8 ,0xB0000 ,0x1000 ,120 ,440 ,80 ,350 ,0 },
{ 0x00D ,M_EGA ,320 ,200 ,40 ,25 ,8 ,8 ,8 ,0xA0000 ,0x2000 ,60 ,262 ,40 ,200 ,_EGA_HALF_CLOCK | _EGA_LINE_DOUBLE },
{ 0x00E ,M_EGA ,640 ,200 ,80 ,25 ,8 ,8 ,4 ,0xA0000 ,0x4000 ,120 ,262 ,80 ,200 ,_EGA_LINE_DOUBLE },
{ 0x00F ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,96 ,366 ,80 ,350 ,0 },/*was EGA_2*/
{ 0x010 ,M_EGA ,640 ,350 ,80 ,25 ,8 ,14 ,2 ,0xA0000 ,0x8000 ,96 ,366 ,80 ,350 ,0 },
{0xFFFF ,M_ERROR ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x00000 ,0x0000 ,0 ,0 ,0 ,0 ,0 },
};
VideoModeBlock ModeList_OTHER[]={
/* mode ,type ,sw ,sh ,tw ,th ,cw,ch ,pt,pstart ,plength,htot,vtot,hde,vde ,special flags */
{ 0x000 ,M_TEXT ,320 ,400 ,40 ,25 ,8 ,8 ,8 ,0xB8000 ,0x0800 ,56 ,31 ,40 ,25 ,0 },
{ 0x001 ,M_TEXT ,320 ,400 ,40 ,25 ,8 ,8 ,8 ,0xB8000 ,0x0800 ,56 ,31 ,40 ,25 ,0 },
{ 0x002 ,M_TEXT ,640 ,400 ,80 ,25 ,8 ,8 ,4 ,0xB8000 ,0x1000 ,113 ,31 ,80 ,25 ,0 },
{ 0x003 ,M_TEXT ,640 ,400 ,80 ,25 ,8 ,8 ,4 ,0xB8000 ,0x1000 ,113 ,31 ,80 ,25 ,0 },
{ 0x004 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,4 ,0xB8000 ,0x0800 ,56 ,127 ,40 ,100 ,0 },
{ 0x005 ,M_CGA4 ,320 ,200 ,40 ,25 ,8 ,8 ,4 ,0xB8000 ,0x0800 ,56 ,127 ,40 ,100 ,0 },
{ 0x006 ,M_CGA2 ,640 ,200 ,80 ,25 ,8 ,8 ,4 ,0xB8000 ,0x0800 ,56 ,127 ,40 ,100 ,0 },
{ 0x008 ,M_TANDY16,160 ,200 ,20 ,25 ,8 ,8 ,8 ,0xB8000 ,0x2000 ,56 ,127 ,40 ,100 ,0 },
{ 0x009 ,M_TANDY16,320 ,200 ,40 ,25 ,8 ,8 ,8 ,0xB8000 ,0x2000 ,113 ,63 ,80 ,50 ,0 },
{ 0x00A ,M_CGA4 ,640 ,200 ,80 ,25 ,8 ,8 ,8 ,0xB8000 ,0x2000 ,113 ,63 ,80 ,50 ,0 },
{0xFFFF ,M_ERROR ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x00000 ,0x0000 ,0 ,0 ,0 ,0 ,0 },
};
VideoModeBlock Hercules_Mode=
{ 0x007 ,M_TEXT ,640 ,400 ,80 ,25 ,8 ,14 ,1 ,0xB0000 ,0x1000 ,97 ,25 ,80 ,25 ,0 };
static Bit8u text_palette[64][3]=
{
{0x00,0x00,0x00},{0x00,0x00,0x2a},{0x00,0x2a,0x00},{0x00,0x2a,0x2a},{0x2a,0x00,0x00},{0x2a,0x00,0x2a},{0x2a,0x2a,0x00},{0x2a,0x2a,0x2a},
{0x00,0x00,0x15},{0x00,0x00,0x3f},{0x00,0x2a,0x15},{0x00,0x2a,0x3f},{0x2a,0x00,0x15},{0x2a,0x00,0x3f},{0x2a,0x2a,0x15},{0x2a,0x2a,0x3f},
{0x00,0x15,0x00},{0x00,0x15,0x2a},{0x00,0x3f,0x00},{0x00,0x3f,0x2a},{0x2a,0x15,0x00},{0x2a,0x15,0x2a},{0x2a,0x3f,0x00},{0x2a,0x3f,0x2a},
{0x00,0x15,0x15},{0x00,0x15,0x3f},{0x00,0x3f,0x15},{0x00,0x3f,0x3f},{0x2a,0x15,0x15},{0x2a,0x15,0x3f},{0x2a,0x3f,0x15},{0x2a,0x3f,0x3f},
{0x15,0x00,0x00},{0x15,0x00,0x2a},{0x15,0x2a,0x00},{0x15,0x2a,0x2a},{0x3f,0x00,0x00},{0x3f,0x00,0x2a},{0x3f,0x2a,0x00},{0x3f,0x2a,0x2a},
{0x15,0x00,0x15},{0x15,0x00,0x3f},{0x15,0x2a,0x15},{0x15,0x2a,0x3f},{0x3f,0x00,0x15},{0x3f,0x00,0x3f},{0x3f,0x2a,0x15},{0x3f,0x2a,0x3f},
{0x15,0x15,0x00},{0x15,0x15,0x2a},{0x15,0x3f,0x00},{0x15,0x3f,0x2a},{0x3f,0x15,0x00},{0x3f,0x15,0x2a},{0x3f,0x3f,0x00},{0x3f,0x3f,0x2a},
{0x15,0x15,0x15},{0x15,0x15,0x3f},{0x15,0x3f,0x15},{0x15,0x3f,0x3f},{0x3f,0x15,0x15},{0x3f,0x15,0x3f},{0x3f,0x3f,0x15},{0x3f,0x3f,0x3f}
};
static Bit8u mtext_palette[64][3]=
{
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f}
};
static Bit8u mtext_s3_palette[64][3]=
{
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},{0x2a,0x2a,0x2a},
{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f},{0x3f,0x3f,0x3f}
};
static Bit8u ega_palette[64][3]=
{
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f}
};
static Bit8u cga_palette[16][3]=
{
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
};
static Bit8u cga_palette_2[64][3]=
{
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x00,0x00,0x00}, {0x00,0x00,0x2a}, {0x00,0x2a,0x00}, {0x00,0x2a,0x2a}, {0x2a,0x00,0x00}, {0x2a,0x00,0x2a}, {0x2a,0x15,0x00}, {0x2a,0x2a,0x2a},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
{0x15,0x15,0x15}, {0x15,0x15,0x3f}, {0x15,0x3f,0x15}, {0x15,0x3f,0x3f}, {0x3f,0x15,0x15}, {0x3f,0x15,0x3f}, {0x3f,0x3f,0x15}, {0x3f,0x3f,0x3f},
};
static Bit8u vga_palette[256][3]=
{
{0x00,0x00,0x00},{0x00,0x00,0x2a},{0x00,0x2a,0x00},{0x00,0x2a,0x2a},{0x2a,0x00,0x00},{0x2a,0x00,0x2a},{0x2a,0x15,0x00},{0x2a,0x2a,0x2a},
{0x15,0x15,0x15},{0x15,0x15,0x3f},{0x15,0x3f,0x15},{0x15,0x3f,0x3f},{0x3f,0x15,0x15},{0x3f,0x15,0x3f},{0x3f,0x3f,0x15},{0x3f,0x3f,0x3f},
{0x00,0x00,0x00},{0x05,0x05,0x05},{0x08,0x08,0x08},{0x0b,0x0b,0x0b},{0x0e,0x0e,0x0e},{0x11,0x11,0x11},{0x14,0x14,0x14},{0x18,0x18,0x18},
{0x1c,0x1c,0x1c},{0x20,0x20,0x20},{0x24,0x24,0x24},{0x28,0x28,0x28},{0x2d,0x2d,0x2d},{0x32,0x32,0x32},{0x38,0x38,0x38},{0x3f,0x3f,0x3f},
{0x00,0x00,0x3f},{0x10,0x00,0x3f},{0x1f,0x00,0x3f},{0x2f,0x00,0x3f},{0x3f,0x00,0x3f},{0x3f,0x00,0x2f},{0x3f,0x00,0x1f},{0x3f,0x00,0x10},
{0x3f,0x00,0x00},{0x3f,0x10,0x00},{0x3f,0x1f,0x00},{0x3f,0x2f,0x00},{0x3f,0x3f,0x00},{0x2f,0x3f,0x00},{0x1f,0x3f,0x00},{0x10,0x3f,0x00},
{0x00,0x3f,0x00},{0x00,0x3f,0x10},{0x00,0x3f,0x1f},{0x00,0x3f,0x2f},{0x00,0x3f,0x3f},{0x00,0x2f,0x3f},{0x00,0x1f,0x3f},{0x00,0x10,0x3f},
{0x1f,0x1f,0x3f},{0x27,0x1f,0x3f},{0x2f,0x1f,0x3f},{0x37,0x1f,0x3f},{0x3f,0x1f,0x3f},{0x3f,0x1f,0x37},{0x3f,0x1f,0x2f},{0x3f,0x1f,0x27},
{0x3f,0x1f,0x1f},{0x3f,0x27,0x1f},{0x3f,0x2f,0x1f},{0x3f,0x37,0x1f},{0x3f,0x3f,0x1f},{0x37,0x3f,0x1f},{0x2f,0x3f,0x1f},{0x27,0x3f,0x1f},
{0x1f,0x3f,0x1f},{0x1f,0x3f,0x27},{0x1f,0x3f,0x2f},{0x1f,0x3f,0x37},{0x1f,0x3f,0x3f},{0x1f,0x37,0x3f},{0x1f,0x2f,0x3f},{0x1f,0x27,0x3f},
{0x2d,0x2d,0x3f},{0x31,0x2d,0x3f},{0x36,0x2d,0x3f},{0x3a,0x2d,0x3f},{0x3f,0x2d,0x3f},{0x3f,0x2d,0x3a},{0x3f,0x2d,0x36},{0x3f,0x2d,0x31},
{0x3f,0x2d,0x2d},{0x3f,0x31,0x2d},{0x3f,0x36,0x2d},{0x3f,0x3a,0x2d},{0x3f,0x3f,0x2d},{0x3a,0x3f,0x2d},{0x36,0x3f,0x2d},{0x31,0x3f,0x2d},
{0x2d,0x3f,0x2d},{0x2d,0x3f,0x31},{0x2d,0x3f,0x36},{0x2d,0x3f,0x3a},{0x2d,0x3f,0x3f},{0x2d,0x3a,0x3f},{0x2d,0x36,0x3f},{0x2d,0x31,0x3f},
{0x00,0x00,0x1c},{0x07,0x00,0x1c},{0x0e,0x00,0x1c},{0x15,0x00,0x1c},{0x1c,0x00,0x1c},{0x1c,0x00,0x15},{0x1c,0x00,0x0e},{0x1c,0x00,0x07},
{0x1c,0x00,0x00},{0x1c,0x07,0x00},{0x1c,0x0e,0x00},{0x1c,0x15,0x00},{0x1c,0x1c,0x00},{0x15,0x1c,0x00},{0x0e,0x1c,0x00},{0x07,0x1c,0x00},
{0x00,0x1c,0x00},{0x00,0x1c,0x07},{0x00,0x1c,0x0e},{0x00,0x1c,0x15},{0x00,0x1c,0x1c},{0x00,0x15,0x1c},{0x00,0x0e,0x1c},{0x00,0x07,0x1c},
{0x0e,0x0e,0x1c},{0x11,0x0e,0x1c},{0x15,0x0e,0x1c},{0x18,0x0e,0x1c},{0x1c,0x0e,0x1c},{0x1c,0x0e,0x18},{0x1c,0x0e,0x15},{0x1c,0x0e,0x11},
{0x1c,0x0e,0x0e},{0x1c,0x11,0x0e},{0x1c,0x15,0x0e},{0x1c,0x18,0x0e},{0x1c,0x1c,0x0e},{0x18,0x1c,0x0e},{0x15,0x1c,0x0e},{0x11,0x1c,0x0e},
{0x0e,0x1c,0x0e},{0x0e,0x1c,0x11},{0x0e,0x1c,0x15},{0x0e,0x1c,0x18},{0x0e,0x1c,0x1c},{0x0e,0x18,0x1c},{0x0e,0x15,0x1c},{0x0e,0x11,0x1c},
{0x14,0x14,0x1c},{0x16,0x14,0x1c},{0x18,0x14,0x1c},{0x1a,0x14,0x1c},{0x1c,0x14,0x1c},{0x1c,0x14,0x1a},{0x1c,0x14,0x18},{0x1c,0x14,0x16},
{0x1c,0x14,0x14},{0x1c,0x16,0x14},{0x1c,0x18,0x14},{0x1c,0x1a,0x14},{0x1c,0x1c,0x14},{0x1a,0x1c,0x14},{0x18,0x1c,0x14},{0x16,0x1c,0x14},
{0x14,0x1c,0x14},{0x14,0x1c,0x16},{0x14,0x1c,0x18},{0x14,0x1c,0x1a},{0x14,0x1c,0x1c},{0x14,0x1a,0x1c},{0x14,0x18,0x1c},{0x14,0x16,0x1c},
{0x00,0x00,0x10},{0x04,0x00,0x10},{0x08,0x00,0x10},{0x0c,0x00,0x10},{0x10,0x00,0x10},{0x10,0x00,0x0c},{0x10,0x00,0x08},{0x10,0x00,0x04},
{0x10,0x00,0x00},{0x10,0x04,0x00},{0x10,0x08,0x00},{0x10,0x0c,0x00},{0x10,0x10,0x00},{0x0c,0x10,0x00},{0x08,0x10,0x00},{0x04,0x10,0x00},
{0x00,0x10,0x00},{0x00,0x10,0x04},{0x00,0x10,0x08},{0x00,0x10,0x0c},{0x00,0x10,0x10},{0x00,0x0c,0x10},{0x00,0x08,0x10},{0x00,0x04,0x10},
{0x08,0x08,0x10},{0x0a,0x08,0x10},{0x0c,0x08,0x10},{0x0e,0x08,0x10},{0x10,0x08,0x10},{0x10,0x08,0x0e},{0x10,0x08,0x0c},{0x10,0x08,0x0a},
{0x10,0x08,0x08},{0x10,0x0a,0x08},{0x10,0x0c,0x08},{0x10,0x0e,0x08},{0x10,0x10,0x08},{0x0e,0x10,0x08},{0x0c,0x10,0x08},{0x0a,0x10,0x08},
{0x08,0x10,0x08},{0x08,0x10,0x0a},{0x08,0x10,0x0c},{0x08,0x10,0x0e},{0x08,0x10,0x10},{0x08,0x0e,0x10},{0x08,0x0c,0x10},{0x08,0x0a,0x10},
{0x0b,0x0b,0x10},{0x0c,0x0b,0x10},{0x0d,0x0b,0x10},{0x0f,0x0b,0x10},{0x10,0x0b,0x10},{0x10,0x0b,0x0f},{0x10,0x0b,0x0d},{0x10,0x0b,0x0c},
{0x10,0x0b,0x0b},{0x10,0x0c,0x0b},{0x10,0x0d,0x0b},{0x10,0x0f,0x0b},{0x10,0x10,0x0b},{0x0f,0x10,0x0b},{0x0d,0x10,0x0b},{0x0c,0x10,0x0b},
{0x0b,0x10,0x0b},{0x0b,0x10,0x0c},{0x0b,0x10,0x0d},{0x0b,0x10,0x0f},{0x0b,0x10,0x10},{0x0b,0x0f,0x10},{0x0b,0x0d,0x10},{0x0b,0x0c,0x10},
{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00},{0x00,0x00,0x00}
};
VideoModeBlock * CurMode;
static bool SetCurMode(VideoModeBlock modeblock[],Bit16u mode) {
Bitu i=0;
while (modeblock[i].mode!=0xffff) {
if (modeblock[i].mode!=mode) i++;
else {
if ((!int10.vesa_oldvbe) || (ModeList_VGA[i].mode<0x120)) {
CurMode=&modeblock[i];
return true;
}
return false;
}
}
return false;
}
static void FinishSetMode(bool clearmem) {
/* Clear video memory if needs be */
if (clearmem) {
switch (CurMode->type) {
case M_CGA4:
case M_CGA2:
case M_TANDY16:
for (Bit16u ct=0;ct<16*1024;ct++) {
real_writew( 0xb800,ct*2,0x0000);
}
break;
case M_TEXT: {
Bit16u seg = (CurMode->mode==7)?0xb000:0xb800;
for (Bit16u ct=0;ct<16*1024;ct++) real_writew(seg,ct*2,0x0720);
break;
}
case M_EGA:
case M_VGA:
case M_LIN8:
case M_LIN4:
case M_LIN15:
case M_LIN16:
case M_LIN32:
/* Hack we just acess the memory directly */
memset(vga.mem.linear,0,vga.vmemsize);
memset(vga.fastmem, 0, vga.vmemsize<<1);
}
}
/* Setup the BIOS */
if (CurMode->mode<128) real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE,(Bit8u)CurMode->mode);
else real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE,(Bit8u)(CurMode->mode-0x98)); //Looks like the s3 bios
real_writew(BIOSMEM_SEG,BIOSMEM_NB_COLS,(Bit16u)CurMode->twidth);
real_writew(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE,(Bit16u)CurMode->plength);
real_writew(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS,((CurMode->mode==7 )|| (CurMode->mode==0x0f)) ? 0x3b4 : 0x3d4);
real_writeb(BIOSMEM_SEG,BIOSMEM_NB_ROWS,(Bit8u)(CurMode->theight-1));
real_writew(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT,(Bit16u)CurMode->cheight);
real_writeb(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL,(0x60|(clearmem?0:0x80)));
real_writeb(BIOSMEM_SEG,BIOSMEM_SWITCHES,0x09);
// this is an index into the dcc table:
if (IS_VGA_ARCH) real_writeb(BIOSMEM_SEG,BIOSMEM_DCC_INDEX,0x0b);
real_writed(BIOSMEM_SEG,BIOSMEM_VS_POINTER,int10.rom.video_save_pointers);
// Set cursor shape
if (CurMode->type==M_TEXT) {
INT10_SetCursorShape(0x06,07);
}
// Set cursor pos for page 0..7
for (Bit8u ct=0;ct<8;ct++) INT10_SetCursorPos(0,0,ct);
// Set active page 0
INT10_SetActivePage(0);
/* Set some interrupt vectors */
switch (CurMode->cheight) {
case 8:RealSetVec(0x43,int10.rom.font_8_first);break;
case 14:RealSetVec(0x43,int10.rom.font_14);break;
case 16:RealSetVec(0x43,int10.rom.font_16);break;
}
/* Tell mouse resolution change */
Mouse_NewVideoMode();
}
bool INT10_SetVideoMode_OTHER(Bit16u mode,bool clearmem) {
switch (machine) {
case MCH_CGA:
if (mode>6) return false;
case TANDY_ARCH_CASE:
if (mode>0xa) return false;
sync with SVN
2010-02-18 07:03:55 +01:00
if (mode==7) mode=0; // PCJR defaults to 0 on illegal mode 7
sync
2009-11-10 09:56:18 +01:00
if (!SetCurMode(ModeList_OTHER,mode)) {
LOG(LOG_INT10,LOG_ERROR)("Trying to set illegal mode %X",mode);
return false;
}
break;
case MCH_HERC:
// Only init the adapter if the equipment word is set to monochrome (Testdrive)
if ((real_readw(BIOSMEM_SEG,BIOSMEM_INITIAL_MODE)&0x30)!=0x30) return false;
CurMode=&Hercules_Mode;
sync with SVN
2010-02-18 07:03:55 +01:00
mode=7; // in case the video parameter table is modified
sync
2009-11-10 09:56:18 +01:00
break;
}
LOG(LOG_INT10,LOG_NORMAL)("Set Video Mode %X",mode);
/* Setup the VGA to the correct mode */
// VGA_SetMode(CurMode->type);
/* Setup the CRTC */
Bitu crtc_base=machine==MCH_HERC ? 0x3b4 : 0x3d4;
//Horizontal total
IO_WriteW(crtc_base,0x00 | (CurMode->htotal) << 8);
//Horizontal displayed
IO_WriteW(crtc_base,0x01 | (CurMode->hdispend) << 8);
//Horizontal sync position
IO_WriteW(crtc_base,0x02 | (CurMode->hdispend+1) << 8);
//Horizontal sync width, seems to be fixed to 0xa, for cga at least, hercules has 0xf
IO_WriteW(crtc_base,0x03 | (0xa) << 8);
////Vertical total
IO_WriteW(crtc_base,0x04 | (CurMode->vtotal) << 8);
//Vertical total adjust, 6 for cga,hercules,tandy
IO_WriteW(crtc_base,0x05 | (6) << 8);
//Vertical displayed
IO_WriteW(crtc_base,0x06 | (CurMode->vdispend) << 8);
//Vertical sync position
IO_WriteW(crtc_base,0x07 | (CurMode->vdispend+1) << 8);
//Maximum scanline
Bit8u scanline,crtpage;
scanline=8;
switch(CurMode->type) {
case M_TEXT:
if (machine==MCH_HERC) scanline=14;
else scanline=8;
break;
case M_CGA2:
scanline=2;
break;
case M_CGA4:
if (CurMode->mode!=0xa) scanline=2;
else scanline=4;
break;
case M_TANDY16:
if (CurMode->mode!=0x9) scanline=2;
else scanline=4;
break;
}
IO_WriteW(crtc_base,0x09 | (scanline-1) << 8);
//Setup the CGA palette using VGA DAC palette
for (Bit8u ct=0;ct<16;ct++) VGA_DAC_SetEntry(ct,cga_palette[ct][0],cga_palette[ct][1],cga_palette[ct][2]);
//Setup the tandy palette
for (Bit8u ct=0;ct<16;ct++) VGA_DAC_CombineColor(ct,ct);
//Setup the special registers for each machine type
Bit8u mode_control_list[0xa+1]={
0x2c,0x28,0x2d,0x29, //0-3
0x2a,0x2e,0x16,0x29, //4-7
0x2a,0x2b,0x3b //8-a
};
Bit8u mode_control_list_pcjr[0xa+1]={
0x0c,0x08,0x0d,0x09, //0-3
0x0a,0x0e,0x0e,0x09, //4-7
0x1a,0x1b,0x0b //8-a
};
Bit8u mode_control,color_select;
switch (machine) {
case MCH_HERC:
IO_WriteB(0x3b8,0x28); // TEXT mode and blinking characters
VGA_DAC_CombineColor(0,0);
VGA_DAC_CombineColor(1,7);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x29); // attribute controls blinking
break;
case MCH_CGA:
mode_control=mode_control_list[CurMode->mode];
if (CurMode->mode == 0x6) color_select=0x3f;
else color_select=0x30;
IO_WriteB(0x3d8,mode_control);
IO_WriteB(0x3d9,color_select);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,mode_control);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,color_select);
break;
case MCH_TANDY:
/* Init some registers */
IO_WriteB(0x3da,0x1);IO_WriteB(0x3de,0xf); //Palette mask always 0xf
IO_WriteB(0x3da,0x2);IO_WriteB(0x3de,0x0); //black border
IO_WriteB(0x3da,0x3); //Tandy color overrides?
switch (CurMode->mode) {
case 0x8:
IO_WriteB(0x3de,0x14);break;
case 0x9:
IO_WriteB(0x3de,0x14);break;
case 0xa:
IO_WriteB(0x3de,0x0c);break;
default:
IO_WriteB(0x3de,0x0);break;
}
//Clear extended mapping
IO_WriteB(0x3da,0x5);
IO_WriteB(0x3de,0x0);
//Clear monitor mode
IO_WriteB(0x3da,0x8);
IO_WriteB(0x3de,0x0);
crtpage=(CurMode->mode>=0x9) ? 0xf6 : 0x3f;
IO_WriteB(0x3df,crtpage);
real_writeb(BIOSMEM_SEG,BIOSMEM_CRTCPU_PAGE,crtpage);
mode_control=mode_control_list[CurMode->mode];
if (CurMode->mode == 0x6 || CurMode->mode==0xa) color_select=0x3f;
else color_select=0x30;
IO_WriteB(0x3d8,mode_control);
IO_WriteB(0x3d9,color_select);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,mode_control);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,color_select);
break;
case MCH_PCJR:
/* Init some registers */
IO_ReadB(0x3da);
IO_WriteB(0x3da,0x1);IO_WriteB(0x3da,0xf); //Palette mask always 0xf
IO_WriteB(0x3da,0x2);IO_WriteB(0x3da,0x0); //black border
IO_WriteB(0x3da,0x3);
if (CurMode->mode<=0x04) IO_WriteB(0x3da,0x02);
else if (CurMode->mode==0x06) IO_WriteB(0x3da,0x08);
else IO_WriteB(0x3da,0x00);
/* set CRT/Processor page register */
if (CurMode->mode<0x04) crtpage=0x3f;
else if (CurMode->mode>=0x09) crtpage=0xf6;
else crtpage=0x7f;
IO_WriteB(0x3df,crtpage);
real_writeb(BIOSMEM_SEG,BIOSMEM_CRTCPU_PAGE,crtpage);
mode_control=mode_control_list_pcjr[CurMode->mode];
IO_WriteB(0x3da,0x0);IO_WriteB(0x3da,mode_control);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,mode_control);
if (CurMode->mode == 0x6 || CurMode->mode==0xa) color_select=0x3f;
else color_select=0x30;
IO_WriteB(0x3d9,color_select);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,color_select);
break;
}
RealPt vparams = RealGetVec(0x1d);
if ((vparams != RealMake(0xf000,0xf0a4)) && (mode < 8)) {
// load crtc parameters from video params table
Bit16u crtc_block_index = 0;
if (mode < 2) crtc_block_index = 0;
else if (mode < 4) crtc_block_index = 1;
else if (mode < 7) crtc_block_index = 2;
sync with SVN
2010-02-18 07:03:55 +01:00
else if (mode == 7) crtc_block_index = 3; // MDA mono mode; invalid for others
else if (mode < 9) crtc_block_index = 2;
else crtc_block_index = 3; // Tandy/PCjr modes
sync
2009-11-10 09:56:18 +01:00
// init CRTC registers
for (Bit16u i = 0; i < 16; i++)
IO_WriteW(crtc_base, i | (real_readb(RealSeg(vparams),
RealOff(vparams) + i + crtc_block_index*16) << 8));
}
FinishSetMode(clearmem);
return true;
}
bool INT10_SetVideoMode(Bit16u mode) {
bool clearmem=true;Bitu i;
if (mode>=0x100) {
if ((mode & 0x4000) && int10.vesa_nolfb) return false;
if (mode & 0x8000) clearmem=false;
mode&=0xfff;
}
if ((mode<0x100) && (mode & 0x80)) {
clearmem=false;
mode-=0x80;
}
int10.vesa_setmode=0xffff;
LOG(LOG_INT10,LOG_NORMAL)("Set Video Mode %X",mode);
if (!IS_EGAVGA_ARCH) return INT10_SetVideoMode_OTHER(mode,clearmem);
/* First read mode setup settings from bios area */
// Bit8u video_ctl=real_readb(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL);
// Bit8u vga_switches=real_readb(BIOSMEM_SEG,BIOSMEM_SWITCHES);
Bit8u modeset_ctl=real_readb(BIOSMEM_SEG,BIOSMEM_MODESET_CTL);
if (IS_VGA_ARCH) {
if (svga.accepts_mode) {
if (!svga.accepts_mode(mode)) return false;
}
switch(svgaCard) {
case SVGA_TsengET4K:
case SVGA_TsengET3K:
if (!SetCurMode(ModeList_VGA_Tseng,mode)){
LOG(LOG_INT10,LOG_ERROR)("VGA:Trying to set illegal mode %X",mode);
return false;
}
break;
case SVGA_ParadisePVGA1A:
if (!SetCurMode(ModeList_VGA_Paradise,mode)){
LOG(LOG_INT10,LOG_ERROR)("VGA:Trying to set illegal mode %X",mode);
return false;
}
break;
default:
if (!SetCurMode(ModeList_VGA,mode)){
LOG(LOG_INT10,LOG_ERROR)("VGA:Trying to set illegal mode %X",mode);
return false;
}
}
// check for scanline backwards compatibility (VESA text modes??)
if (CurMode->type==M_TEXT) {
if ((modeset_ctl&0x90)==0x80) { // 200 lines emulation
if (CurMode->mode <= 3) {
CurMode = &ModeList_VGA_Text_200lines[CurMode->mode];
}
} else if ((modeset_ctl&0x90)==0x00) { // 350 lines emulation
if (CurMode->mode <= 3) {
CurMode = &ModeList_VGA_Text_350lines[CurMode->mode];
}
}
}
} else {
if (!SetCurMode(ModeList_EGA,mode)){
LOG(LOG_INT10,LOG_ERROR)("EGA:Trying to set illegal mode %X",mode);
return false;
}
}
/* Setup the VGA to the correct mode */
Bit16u crtc_base;
bool mono_mode=(mode == 7) || (mode==0xf);
if (mono_mode) crtc_base=0x3b4;
else crtc_base=0x3d4;
if (IS_VGA_ARCH && (svgaCard == SVGA_S3Trio)) {
// Disable MMIO here so we can read / write memory
IO_Write(crtc_base,0x53);
IO_Write(crtc_base+1,0x0);
}
/* Setup MISC Output Register */
Bit8u misc_output=0x2 | (mono_mode ? 0x0 : 0x1);
if ((CurMode->type==M_TEXT) && (CurMode->cwidth==9)) {
// 28MHz (16MHz EGA) clock for 9-pixel wide chars
misc_output|=0x4;
}
switch (CurMode->vdispend) {
case 400:
misc_output|=0x60;
break;
case 480:
misc_output|=0xe0;
break;
case 350:
misc_output|=0xa0;
break;
default:
misc_output|=0x60;
}
IO_Write(0x3c2,misc_output); //Setup for 3b4 or 3d4
/* Program Sequencer */
Bit8u seq_data[SEQ_REGS];
memset(seq_data,0,SEQ_REGS);
seq_data[1]|=0x01; //8 dot fonts by default
if (CurMode->special & _EGA_HALF_CLOCK) seq_data[1]|=0x08; //Check for half clock
if ((machine==MCH_EGA) && (CurMode->special & _EGA_HALF_CLOCK)) seq_data[1]|=0x02;
seq_data[4]|=0x02; //More than 64kb
switch (CurMode->type) {
case M_TEXT:
if (CurMode->cwidth==9) seq_data[1] &= ~1;
seq_data[2]|=0x3; //Enable plane 0 and 1
seq_data[4]|=0x01; //Alpanumeric
if (IS_VGA_ARCH) seq_data[4]|=0x04; //odd/even enabled
break;
case M_CGA2:
seq_data[2]|=0xf; //Enable plane 0
if (machine==MCH_EGA) seq_data[4]|=0x04; //odd/even enabled
break;
case M_CGA4:
if (machine==MCH_EGA) seq_data[2]|=0x03; //Enable plane 0 and 1
break;
case M_LIN4:
case M_EGA:
seq_data[2]|=0xf; //Enable all planes for writing
if (machine==MCH_EGA) seq_data[4]|=0x04; //odd/even enabled
break;
case M_LIN8: //Seems to have the same reg layout from testing
case M_LIN15:
case M_LIN16:
case M_LIN32:
case M_VGA:
seq_data[2]|=0xf; //Enable all planes for writing
seq_data[4]|=0xc; //Graphics - odd/even - Chained
break;
}
for (Bit8u ct=0;ct<SEQ_REGS;ct++) {
IO_Write(0x3c4,ct);
IO_Write(0x3c5,seq_data[ct]);
}
vga.config.compatible_chain4 = true; // this may be changed by SVGA chipset emulation
/* Program CRTC */
/* First disable write protection */
IO_Write(crtc_base,0x11);
IO_Write(crtc_base+1,IO_Read(crtc_base+1)&0x7f);
/* Clear all the regs */
for (Bit8u ct=0x0;ct<=0x18;ct++) {
IO_Write(crtc_base,ct);IO_Write(crtc_base+1,0);
}
Bit8u overflow=0;Bit8u max_scanline=0;
Bit8u ver_overflow=0;Bit8u hor_overflow=0;
/* Horizontal Total */
IO_Write(crtc_base,0x00);IO_Write(crtc_base+1,(Bit8u)(CurMode->htotal-5));
hor_overflow|=((CurMode->htotal-5) & 0x100) >> 8;
/* Horizontal Display End */
IO_Write(crtc_base,0x01);IO_Write(crtc_base+1,(Bit8u)(CurMode->hdispend-1));
hor_overflow|=((CurMode->hdispend-1) & 0x100) >> 7;
/* Start horizontal Blanking */
IO_Write(crtc_base,0x02);IO_Write(crtc_base+1,(Bit8u)CurMode->hdispend);
hor_overflow|=((CurMode->hdispend) & 0x100) >> 6;
/* End horizontal Blanking */
Bitu blank_end=(CurMode->htotal-2) & 0x7f;
IO_Write(crtc_base,0x03);IO_Write(crtc_base+1,0x80|(blank_end & 0x1f));
/* Start Horizontal Retrace */
Bitu ret_start;
if ((CurMode->special & _EGA_HALF_CLOCK) && (CurMode->type!=M_CGA2)) ret_start = (CurMode->hdispend+3);
else if (CurMode->type==M_TEXT) ret_start = (CurMode->hdispend+5);
else ret_start = (CurMode->hdispend+4);
IO_Write(crtc_base,0x04);IO_Write(crtc_base+1,(Bit8u)ret_start);
hor_overflow|=(ret_start & 0x100) >> 4;
/* End Horizontal Retrace */
Bitu ret_end;
if (CurMode->special & _EGA_HALF_CLOCK) {
if (CurMode->type==M_CGA2) ret_end=0; // mode 6
else if (CurMode->special & _EGA_LINE_DOUBLE) ret_end = (CurMode->htotal-18) & 0x1f;
else ret_end = ((CurMode->htotal-18) & 0x1f) | 0x20; // mode 0&1 have 1 char sync delay
} else if (CurMode->type==M_TEXT) ret_end = (CurMode->htotal-3) & 0x1f;
else ret_end = (CurMode->htotal-4) & 0x1f;
IO_Write(crtc_base,0x05);IO_Write(crtc_base+1,(Bit8u)(ret_end | (blank_end & 0x20) << 2));
/* Vertical Total */
IO_Write(crtc_base,0x06);IO_Write(crtc_base+1,(Bit8u)(CurMode->vtotal-2));
overflow|=((CurMode->vtotal-2) & 0x100) >> 8;
overflow|=((CurMode->vtotal-2) & 0x200) >> 4;
ver_overflow|=((CurMode->vtotal-2) & 0x400) >> 10;
Bitu vretrace;
if (IS_VGA_ARCH) {
switch (CurMode->vdispend) {
case 400: vretrace=CurMode->vdispend+12;
break;
case 480: vretrace=CurMode->vdispend+10;
break;
case 350: vretrace=CurMode->vdispend+37;
break;
default: vretrace=CurMode->vdispend+12;
}
} else {
switch (CurMode->vdispend) {
case 350: vretrace=CurMode->vdispend;
break;
default: vretrace=CurMode->vdispend+24;
}
}
/* Vertical Retrace Start */
IO_Write(crtc_base,0x10);IO_Write(crtc_base+1,(Bit8u)vretrace);
overflow|=(vretrace & 0x100) >> 6;
overflow|=(vretrace & 0x200) >> 2;
ver_overflow|=(vretrace & 0x400) >> 6;
/* Vertical Retrace End */
IO_Write(crtc_base,0x11);IO_Write(crtc_base+1,(vretrace+2) & 0xF);
/* Vertical Display End */
IO_Write(crtc_base,0x12);IO_Write(crtc_base+1,(Bit8u)(CurMode->vdispend-1));
overflow|=((CurMode->vdispend-1) & 0x100) >> 7;
overflow|=((CurMode->vdispend-1) & 0x200) >> 3;
ver_overflow|=((CurMode->vdispend-1) & 0x400) >> 9;
Bitu vblank_trim;
if (IS_VGA_ARCH) {
switch (CurMode->vdispend) {
case 400: vblank_trim=6;
break;
case 480: vblank_trim=7;
break;
case 350: vblank_trim=5;
break;
default: vblank_trim=8;
}
} else {
switch (CurMode->vdispend) {
case 350: vblank_trim=0;
break;
default: vblank_trim=23;
}
}
/* Vertical Blank Start */
IO_Write(crtc_base,0x15);IO_Write(crtc_base+1,(Bit8u)(CurMode->vdispend+vblank_trim));
overflow|=((CurMode->vdispend+vblank_trim) & 0x100) >> 5;
max_scanline|=((CurMode->vdispend+vblank_trim) & 0x200) >> 4;
ver_overflow|=((CurMode->vdispend+vblank_trim) & 0x400) >> 8;
/* Vertical Blank End */
IO_Write(crtc_base,0x16);IO_Write(crtc_base+1,(Bit8u)(CurMode->vtotal-vblank_trim-2));
/* Line Compare */
Bitu line_compare=(CurMode->vtotal < 1024) ? 1023 : 2047;
IO_Write(crtc_base,0x18);IO_Write(crtc_base+1,line_compare&0xff);
overflow|=(line_compare & 0x100) >> 4;
max_scanline|=(line_compare & 0x200) >> 3;
ver_overflow|=(line_compare & 0x400) >> 4;
Bit8u underline=0;
/* Maximum scanline / Underline Location */
if (CurMode->special & _EGA_LINE_DOUBLE) {
if (machine!=MCH_EGA) max_scanline|=0x80;
}
switch (CurMode->type) {
case M_TEXT:
max_scanline|=CurMode->cheight-1;
underline=mono_mode ? 0x0f : 0x1f; // mode 7 uses a diff underline position
break;
case M_VGA:
underline=0x40;
max_scanline|=1; //Vga doesn't use double line but this
break;
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
underline=0x60; //Seems to enable the every 4th clock on my s3
break;
case M_CGA2:
case M_CGA4:
max_scanline|=1;
break;
}
if (CurMode->vdispend==350) underline=0x0f;
IO_Write(crtc_base,0x09);IO_Write(crtc_base+1,max_scanline);
IO_Write(crtc_base,0x14);IO_Write(crtc_base+1,underline);
/* OverFlow */
IO_Write(crtc_base,0x07);IO_Write(crtc_base+1,overflow);
if (svgaCard == SVGA_S3Trio) {
/* Extended Horizontal Overflow */
IO_Write(crtc_base,0x5d);IO_Write(crtc_base+1,hor_overflow);
/* Extended Vertical Overflow */
IO_Write(crtc_base,0x5e);IO_Write(crtc_base+1,ver_overflow);
}
/* Offset Register */
Bitu offset;
switch (CurMode->type) {
case M_LIN8:
offset = CurMode->swidth/8;
break;
case M_LIN15:
case M_LIN16:
offset = 2 * CurMode->swidth/8;
break;
case M_LIN32:
offset = 4 * CurMode->swidth/8;
break;
default:
offset = CurMode->hdispend/2;
}
IO_Write(crtc_base,0x13);
IO_Write(crtc_base + 1,offset & 0xff);
if (svgaCard == SVGA_S3Trio) {
/* Extended System Control 2 Register */
/* This register actually has more bits but only use the extended offset ones */
IO_Write(crtc_base,0x51);
IO_Write(crtc_base + 1,(Bit8u)((offset & 0x300) >> 4));
/* Clear remaining bits of the display start */
IO_Write(crtc_base,0x69);
IO_Write(crtc_base + 1,0);
/* Extended Vertical Overflow */
IO_Write(crtc_base,0x5e);IO_Write(crtc_base+1,ver_overflow);
}
/* Mode Control */
Bit8u mode_control=0;
switch (CurMode->type) {
case M_CGA2:
mode_control=0xc2; // 0x06 sets address wrap.
break;
case M_CGA4:
mode_control=0xa2;
break;
case M_LIN4:
case M_EGA:
if (CurMode->mode==0x11) // 0x11 also sets address wrap. thought maybe all 2 color modes did but 0x0f doesn't.
mode_control=0xc3; // so.. 0x11 or 0x0f a one off?
else {
if (machine==MCH_EGA) {
if (CurMode->special & _EGA_LINE_DOUBLE) mode_control=0xc3;
else mode_control=0x8b;
} else {
mode_control=0xe3;
}
}
break;
case M_TEXT:
case M_VGA:
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
mode_control=0xa3;
if (CurMode->special & _VGA_PIXEL_DOUBLE)
mode_control |= 0x08;
break;
}
IO_Write(crtc_base,0x17);IO_Write(crtc_base+1,mode_control);
/* Renable write protection */
IO_Write(crtc_base,0x11);
IO_Write(crtc_base+1,IO_Read(crtc_base+1)|0x80);
if (svgaCard == SVGA_S3Trio) {
/* Setup the correct clock */
if (CurMode->mode>=0x100) {
misc_output|=0xef; //Select clock 3
Bitu clock=CurMode->vtotal*8*CurMode->htotal*70;
VGA_SetClock(3,clock/1000);
}
Bit8u misc_control_2;
/* Setup Pixel format */
switch (CurMode->type) {
case M_LIN8:
misc_control_2=0x00;
break;
case M_LIN15:
misc_control_2=0x30;
break;
case M_LIN16:
misc_control_2=0x50;
break;
case M_LIN32:
misc_control_2=0xd0;
break;
default:
misc_control_2=0x0;
break;
}
IO_WriteB(crtc_base,0x67);IO_WriteB(crtc_base+1,misc_control_2);
}
/* Write Misc Output */
IO_Write(0x3c2,misc_output);
/* Program Graphics controller */
Bit8u gfx_data[GFX_REGS];
memset(gfx_data,0,GFX_REGS);
gfx_data[0x7]=0xf; /* Color don't care */
gfx_data[0x8]=0xff; /* BitMask */
switch (CurMode->type) {
case M_TEXT:
gfx_data[0x5]|=0x10; //Odd-Even Mode
gfx_data[0x6]|=mono_mode ? 0x0a : 0x0e; //Either b800 or b000
break;
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
case M_VGA:
gfx_data[0x5]|=0x40; //256 color mode
gfx_data[0x6]|=0x05; //graphics mode at 0xa000-affff
break;
case M_LIN4:
case M_EGA:
gfx_data[0x6]|=0x05; //graphics mode at 0xa000-affff
break;
case M_CGA4:
gfx_data[0x5]|=0x20; //CGA mode
gfx_data[0x6]|=0x0f; //graphics mode at at 0xb800=0xbfff
if (machine==MCH_EGA) gfx_data[0x5]|=0x10;
break;
case M_CGA2:
if (machine==MCH_EGA) {
gfx_data[0x6]|=0x0d; //graphics mode at at 0xb800=0xbfff
} else {
gfx_data[0x6]|=0x0f; //graphics mode at at 0xb800=0xbfff
}
break;
}
for (Bit8u ct=0;ct<GFX_REGS;ct++) {
IO_Write(0x3ce,ct);
IO_Write(0x3cf,gfx_data[ct]);
}
Bit8u att_data[ATT_REGS];
memset(att_data,0,ATT_REGS);
att_data[0x12]=0xf; //Always have all color planes enabled
/* Program Attribute Controller */
switch (CurMode->type) {
case M_EGA:
case M_LIN4:
att_data[0x10]=0x01; //Color Graphics
switch (CurMode->mode) {
case 0x0f:
att_data[0x10]|=0x0a; //Monochrome
att_data[0x01]=0x08;
att_data[0x04]=0x18;
att_data[0x05]=0x18;
att_data[0x09]=0x08;
att_data[0x0d]=0x18;
break;
case 0x11:
for (i=1;i<16;i++) att_data[i]=0x3f;
break;
case 0x10:
case 0x12:
goto att_text16;
default:
if ( CurMode->type == M_LIN4 )
goto att_text16;
for (Bit8u ct=0;ct<8;ct++) {
att_data[ct]=ct;
att_data[ct+8]=ct+0x10;
}
break;
}
break;
case M_TANDY16:
att_data[0x10]=0x01; //Color Graphics
for (Bit8u ct=0;ct<16;ct++) att_data[ct]=ct;
break;
case M_TEXT:
if (CurMode->cwidth==9) {
att_data[0x13]=0x08; //Pel panning on 8, although we don't have 9 dot text mode
att_data[0x10]=0x0C; //Color Text with blinking, 9 Bit characters
} else {
att_data[0x13]=0x00;
att_data[0x10]=0x08; //Color Text with blinking, 8 Bit characters
}
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,0x30);
att_text16:
if (CurMode->mode==7) {
att_data[0]=0x00;
att_data[8]=0x10;
for (i=1; i<8; i++) {
att_data[i]=0x08;
att_data[i+8]=0x18;
}
} else {
for (Bit8u ct=0;ct<8;ct++) {
att_data[ct]=ct;
att_data[ct+8]=ct+0x38;
}
if (IS_VGA_ARCH) att_data[0x06]=0x14; //Odd Color 6 yellow/brown.
}
break;
case M_CGA2:
att_data[0x10]=0x01; //Color Graphics
att_data[0]=0x0;
for (i=1;i<0x10;i++) att_data[i]=0x17;
att_data[0x12]=0x1; //Only enable 1 plane
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,0x3f);
break;
case M_CGA4:
att_data[0x10]=0x01; //Color Graphics
att_data[0]=0x0;
att_data[1]=0x13;
att_data[2]=0x15;
att_data[3]=0x17;
att_data[4]=0x02;
att_data[5]=0x04;
att_data[6]=0x06;
att_data[7]=0x07;
for (Bit8u ct=0x8;ct<0x10;ct++)
att_data[ct] = ct + 0x8;
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,0x30);
break;
case M_VGA:
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
for (Bit8u ct=0;ct<16;ct++) att_data[ct]=ct;
att_data[0x10]=0x41; //Color Graphics 8-bit
break;
}
IO_Read(mono_mode ? 0x3ba : 0x3da);
if ((modeset_ctl & 8)==0) {
for (Bit8u ct=0;ct<ATT_REGS;ct++) {
IO_Write(0x3c0,ct);
IO_Write(0x3c0,att_data[ct]);
}
vga.config.pel_panning = 0;
IO_Write(0x3c0,0x20); IO_Write(0x3c0,0x00); //Disable palette access
IO_Write(0x3c6,0xff); //Reset Pelmask
/* Setup the DAC */
IO_Write(0x3c8,0);
switch (CurMode->type) {
case M_EGA:
if (CurMode->mode>0xf) {
goto dac_text16;
} else if (CurMode->mode==0xf) {
for (i=0;i<64;i++) {
IO_Write(0x3c9,mtext_s3_palette[i][0]);
IO_Write(0x3c9,mtext_s3_palette[i][1]);
IO_Write(0x3c9,mtext_s3_palette[i][2]);
}
} else {
for (i=0;i<64;i++) {
IO_Write(0x3c9,ega_palette[i][0]);
IO_Write(0x3c9,ega_palette[i][1]);
IO_Write(0x3c9,ega_palette[i][2]);
}
}
break;
case M_CGA2:
case M_CGA4:
case M_TANDY16:
for (i=0;i<64;i++) {
IO_Write(0x3c9,cga_palette_2[i][0]);
IO_Write(0x3c9,cga_palette_2[i][1]);
IO_Write(0x3c9,cga_palette_2[i][2]);
}
break;
case M_TEXT:
if (CurMode->mode==7) {
if ((IS_VGA_ARCH) && (svgaCard == SVGA_S3Trio)) {
for (i=0;i<64;i++) {
IO_Write(0x3c9,mtext_s3_palette[i][0]);
IO_Write(0x3c9,mtext_s3_palette[i][1]);
IO_Write(0x3c9,mtext_s3_palette[i][2]);
}
} else {
for (i=0;i<64;i++) {
IO_Write(0x3c9,mtext_palette[i][0]);
IO_Write(0x3c9,mtext_palette[i][1]);
IO_Write(0x3c9,mtext_palette[i][2]);
}
}
break;
} //FALLTHROUGH!!!!
case M_LIN4: //Added for CAD Software
dac_text16:
for (i=0;i<64;i++) {
IO_Write(0x3c9,text_palette[i][0]);
IO_Write(0x3c9,text_palette[i][1]);
IO_Write(0x3c9,text_palette[i][2]);
}
break;
case M_VGA:
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
for (i=0;i<256;i++) {
IO_Write(0x3c9,vga_palette[i][0]);
IO_Write(0x3c9,vga_palette[i][1]);
IO_Write(0x3c9,vga_palette[i][2]);
}
break;
}
if (IS_VGA_ARCH) {
/* check if gray scale summing is enabled */
if (real_readb(BIOSMEM_SEG,BIOSMEM_MODESET_CTL) & 2) {
INT10_PerformGrayScaleSumming(0,256);
}
}
} else {
for (Bit8u ct=0x10;ct<ATT_REGS;ct++) {
if (ct==0x11) continue; // skip overscan register
IO_Write(0x3c0,ct);
IO_Write(0x3c0,att_data[ct]);
}
vga.config.pel_panning = 0;
IO_Write(0x3c0,0x20); //Disable palette access
}
/* Setup some special stuff for different modes */
Bit8u feature=real_readb(BIOSMEM_SEG,BIOSMEM_INITIAL_MODE);
switch (CurMode->type) {
case M_CGA2:
feature=(feature&~0x30)|0x20;
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x1e);
break;
case M_CGA4:
feature=(feature&~0x30)|0x20;
if (CurMode->mode==4) real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x2a);
else if (CurMode->mode==5) real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x2e);
else real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x2);
break;
case M_TANDY16:
feature=(feature&~0x30)|0x20;
break;
case M_TEXT:
feature=(feature&~0x30)|0x20;
switch (CurMode->mode) {
case 0:real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x2c);break;
case 1:real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x28);break;
case 2:real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x2d);break;
case 3:
case 7:real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x29);break;
}
break;
case M_LIN4:
case M_EGA:
case M_VGA:
feature=(feature&~0x30);
break;
}
// disabled, has to be set in bios.cpp exclusively
// real_writeb(BIOSMEM_SEG,BIOSMEM_INITIAL_MODE,feature);
if (svgaCard == SVGA_S3Trio) {
/* Setup the CPU Window */
IO_Write(crtc_base,0x6a);
IO_Write(crtc_base+1,0);
/* Setup the linear frame buffer */
IO_Write(crtc_base,0x59);
IO_Write(crtc_base+1,(Bit8u)((S3_LFB_BASE >> 24)&0xff));
IO_Write(crtc_base,0x5a);
IO_Write(crtc_base+1,(Bit8u)((S3_LFB_BASE >> 16)&0xff));
IO_Write(crtc_base,0x6b); // BIOS scratchpad
IO_Write(crtc_base+1,(Bit8u)((S3_LFB_BASE >> 24)&0xff));
/* Setup some remaining S3 registers */
IO_Write(crtc_base,0x41); // BIOS scratchpad
IO_Write(crtc_base+1,0x88);
IO_Write(crtc_base,0x52); // extended BIOS scratchpad
IO_Write(crtc_base+1,0x80);
IO_Write(0x3c4,0x15);
IO_Write(0x3c5,0x03);
// Accellerator setup
Bitu reg_50=S3_XGA_8BPP;
switch (CurMode->type) {
case M_LIN15:
case M_LIN16: reg_50|=S3_XGA_16BPP; break;
case M_LIN32: reg_50|=S3_XGA_32BPP; break;
default: break;
}
switch(CurMode->swidth) {
case 640: reg_50|=S3_XGA_640; break;
case 800: reg_50|=S3_XGA_800; break;
case 1024: reg_50|=S3_XGA_1024; break;
case 1152: reg_50|=S3_XGA_1152; break;
case 1280: reg_50|=S3_XGA_1280; break;
default: break;
}
IO_WriteB(crtc_base,0x50); IO_WriteB(crtc_base+1,reg_50);
Bit8u reg_31, reg_3a;
switch (CurMode->type) {
case M_LIN15:
case M_LIN16:
case M_LIN32:
reg_3a=0x15;
break;
case M_LIN8:
// S3VBE20 does it this way. The other double pixel bit does not
// seem to have an effect on the Trio64.
if(CurMode->special&_VGA_PIXEL_DOUBLE) reg_3a=0x5;
else reg_3a=0x15;
break;
default:
reg_3a=5;
break;
};
switch (CurMode->type) {
case M_LIN4: // <- Theres a discrepance with real hardware on this
case M_LIN8:
case M_LIN15:
case M_LIN16:
case M_LIN32:
reg_31 = 9;
break;
default:
reg_31 = 5;
break;
}
IO_Write(crtc_base,0x3a);IO_Write(crtc_base+1,reg_3a);
IO_Write(crtc_base,0x31);IO_Write(crtc_base+1,reg_31); //Enable banked memory and 256k+ access
IO_Write(crtc_base,0x58);IO_Write(crtc_base+1,0x3); //Enable 8 mb of linear addressing
IO_Write(crtc_base,0x38);IO_Write(crtc_base+1,0x48); //Register lock 1
IO_Write(crtc_base,0x39);IO_Write(crtc_base+1,0xa5); //Register lock 2
} else if (svga.set_video_mode) {
VGA_ModeExtraData modeData;
modeData.ver_overflow = ver_overflow;
modeData.hor_overflow = hor_overflow;
modeData.offset = offset;
modeData.modeNo = CurMode->mode;
modeData.htotal = CurMode->htotal;
modeData.vtotal = CurMode->vtotal;
svga.set_video_mode(crtc_base, &modeData);
}
FinishSetMode(clearmem);
/* Set vga attrib register into defined state */
IO_Read(mono_mode ? 0x3ba : 0x3da);
IO_Write(0x3c0,0x20);
/* Load text mode font */
if (CurMode->type==M_TEXT) {
INT10_ReloadFont();
}
return true;
}
Bitu VideoModeMemSize(Bitu mode) {
if (!IS_VGA_ARCH)
return 0;
VideoModeBlock* modelist = NULL;
switch (svgaCard) {
case SVGA_TsengET4K:
case SVGA_TsengET3K:
modelist = ModeList_VGA_Tseng;
break;
case SVGA_ParadisePVGA1A:
modelist = ModeList_VGA_Paradise;
break;
default:
modelist = ModeList_VGA;
break;
}
VideoModeBlock* vmodeBlock = NULL;
Bitu i=0;
while (modelist[i].mode!=0xffff) {
if (modelist[i].mode==mode) {
vmodeBlock = &modelist[i];
break;
}
i++;
}
if (!vmodeBlock)
return 0;
switch(vmodeBlock->type) {
case M_LIN4:
return vmodeBlock->swidth*vmodeBlock->sheight/2;
case M_LIN8:
return vmodeBlock->swidth*vmodeBlock->sheight;
case M_LIN15: case M_LIN16:
return vmodeBlock->swidth*vmodeBlock->sheight*2;
case M_LIN32:
return vmodeBlock->swidth*vmodeBlock->sheight*4;
case M_TEXT:
return vmodeBlock->twidth*vmodeBlock->theight*2;
}
// Return 0 for all other types, those always fit in memory
return 0;
}
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