/* * Copyright (C) 2002 The DOSBox Team * * 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 Library 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. */ #include "dosbox.h" #include "mem.h" #include "inout.h" #include "int10.h" //TODO Maybe also add PCJR Video Modes could be nice :) //TODO include some credits to bochs/plex86 bios i used for info/tables VGAMODES vga_modes[MODE_MAX+1]= {//mode vesa class model pg bits sw sh tw th cw ch sstart slength misc pelm crtc actl gdc sequ dac {0x00, 0xFFFF, TEXT, CTEXT, 8, 4, 360, 400, 40, 25, 9, 16, 0xB800, 0x0800, 0x67, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x02}, {0x01, 0xFFFF, TEXT, CTEXT, 8, 4, 360, 400, 40, 25, 9, 16, 0xB800, 0x0800, 0x67, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x02}, {0x02, 0xFFFF, TEXT, CTEXT, 4, 4, 720, 400, 80, 25, 9, 16, 0xB800, 0x1000, 0x67, 0xFF, 0x01, 0x00, 0x00, 0x01, 0x02}, {0x03, 0xFFFF, TEXT, CTEXT, 4, 4, 720, 400, 80, 25, 9, 16, 0xB800, 0x1000, 0x67, 0xFF, 0x01, 0x00, 0x00, 0x01, 0x02}, {0x04, 0xFFFF, GRAPH, CGA, 4, 2, 320, 200, 40, 25, 8, 8, 0xB800, 0x0800, 0x63, 0xFF, 0x02, 0x01, 0x01, 0x02, 0x01}, {0x05, 0xFFFF, GRAPH, CGA, 1, 2, 320, 200, 40, 25, 8, 8, 0xB800, 0x0800, 0x63, 0xFF, 0x02, 0x01, 0x01, 0x02, 0x01}, {0x06, 0xFFFF, GRAPH, CGA, 1, 1, 640, 200, 80, 25, 8, 8, 0xB800, 0x1000, 0x63, 0xFF, 0x03, 0x02, 0x02, 0x03, 0x01}, {0x07, 0xFFFF, TEXT, MTEXT, 4, 4, 720, 400, 80, 25, 9, 16, 0xB000, 0x1000, 0x66, 0xFF, 0x04, 0x03, 0x03, 0x01, 0x00}, {0x0D, 0xFFFF, GRAPH, PLANAR4, 8, 4, 320, 200, 40, 25, 8, 8, 0xA000, 0x2000, 0x63, 0xFF, 0x05, 0x04, 0x04, 0x04, 0x01}, {0x0E, 0xFFFF, GRAPH, PLANAR4, 4, 4, 640, 200, 80, 25, 8, 8, 0xA000, 0x4000, 0x63, 0xFF, 0x06, 0x04, 0x04, 0x05, 0x01}, {0x0F, 0xFFFF, GRAPH, PLANAR2, 2, 2, 640, 350, 80, 25, 8, 14, 0xA000, 0x8000, 0xa2, 0xFF, 0x07, 0x05, 0x04, 0x05, 0x00}, {0x10, 0xFFFF, GRAPH, PLANAR4, 2, 4, 640, 350, 80, 25, 8, 14, 0xA000, 0x8000, 0xa3, 0xFF, 0x07, 0x06, 0x04, 0x05, 0x02}, {0x11, 0xFFFF, GRAPH, PLANAR1, 1, 1, 640, 480, 80, 30, 8, 16, 0xA000, 0xA000, 0xe3, 0xFF, 0x08, 0x07, 0x04, 0x05, 0x02}, {0x12, 0xFFFF, GRAPH, PLANAR4, 1, 4, 640, 480, 80, 30, 8, 16, 0xA000, 0xA000, 0xe3, 0xFF, 0x08, 0x06, 0x04, 0x05, 0x02}, {0x13, 0xFFFF, GRAPH, LINEAR8, 1, 8, 320, 200, 40, 25, 8, 8, 0xA000, 0xFA00, 0x63, 0xFF, 0x09, 0x08, 0x05, 0x06, 0x03} }; /* CRTC */ #define CRTC_MAX_REG 0x18 #define CRTC_MAX_MODEL 0x09 static Bit8u crtc_access[CRTC_MAX_REG+1]= { /* 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; static Bit8u crtc_regs[CRTC_MAX_MODEL+1][CRTC_MAX_REG+1]= {/* Model 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 */ /* 00 */ 0x2d,0x27,0x28,0x90,0x2b,0xa0,0xbf,0x1f,0x00,0x4f,0x0d,0x0e,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x14,0x1f,0x96,0xb9,0xa3,0xff, /* 01 */ 0x5f,0x4f,0x50,0x82,0x55,0x81,0xbf,0x1f,0x00,0x4f,0x0d,0x0e,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x1f,0x96,0xb9,0xa3,0xff, /* 02 */ 0x2d,0x27,0x28,0x90,0x2b,0x80,0xbf,0x1f,0x00,0xc1,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x14,0x00,0x96,0xb9,0xa2,0xff, /* 03 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0xc1,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x00,0x96,0xb9,0xc2,0xff, /* 04 */ 0x5f,0x4f,0x50,0x82,0x55,0x81,0xbf,0x1f,0x00,0x4f,0x0d,0x0e,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x0f,0x96,0xb9,0xa3,0xff, /* 05 */ 0x2d,0x27,0x28,0x90,0x2b,0x80,0xbf,0x1f,0x00,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x14,0x00,0x96,0xb9,0xe3,0xff, /* 06 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x00,0x96,0xb9,0xe3,0xff, /* 07 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x83,0x85,0x5d,0x28,0x0f,0x63,0xba,0xe3,0xff, /* 08 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0xea,0x8c,0xdf,0x28,0x00,0xe7,0x04,0xe3,0xff, /* 09 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x40,0x96,0xb9,0xa3,0xff }; /* Attribute Controler 0x3c0 */ #define ACTL_MAX_REG 0x14 #define ACTL_MAX_MODEL 0x08 static Bit8u actl_access[ACTL_MAX_REG+1]= {/* 00 01 02 03 04 05 06 07 08 09 0A 0B OC OD OE OF 10 11 12 13 14 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; static Bit8u actl_regs[ACTL_MAX_MODEL+1][ACTL_MAX_REG+1]= {/* Model 00 01 02 03 04 05 06 07 08 09 0A 0B OC OD OE OF 10 11 12 13 14 */ /* 00 */ 0x00,0x01,0x02,0x03,0x04,0x05,0x14,0x07,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x0c,0x00,0x0f,0x08,0x00, /* 01 */ 0x00,0x13,0x15,0x17,0x02,0x04,0x06,0x07,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x01,0x00,0x03,0x00,0x00, /* 02 */ 0x00,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x01,0x00,0x01,0x00,0x00, /* 03 */ 0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x10,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x0e,0x00,0x0f,0x08,0x00, /* 04 */ 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x01,0x00,0x0f,0x00,0x00, /* 05 */ 0x00,0x08,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x18,0x00,0x00,0x0b,0x00,0x05,0x00,0x00, /* 06 */ 0x00,0x01,0x02,0x03,0x04,0x05,0x14,0x07,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x01,0x00,0x0f,0x00,0x00, /* 07 */ 0x00,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x01,0x00,0x01,0x00,0x00, /* 08 */ 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x41,0x00,0x0f,0x00,0x00 }; /* Sequencer 0x3c4 */ #define SEQU_MAX_REG 0x04 #define SEQU_MAX_MODEL 0x06 static Bit8u sequ_access[SEQU_MAX_REG+1]= { /* 00 01 02 03 04 */ 0x00,0x00,0x00,0x00,0x00 }; static Bit8u sequ_regs[SEQU_MAX_MODEL+1][SEQU_MAX_REG+1]= {/* Model 00 01 02 03 04 */ /* 00 */ 0x03,0x08,0x03,0x00,0x02, /* 01 */ 0x03,0x00,0x03,0x00,0x02, /* 02 */ 0x03,0x09,0x03,0x00,0x02, /* 03 */ 0x03,0x01,0x01,0x00,0x06, /* 04 */ 0x03,0x09,0x0f,0x00,0x06, /* 05 */ 0x03,0x01,0x0f,0x00,0x06, /* 06 */ 0x03,0x01,0x0f,0x00,0x0e }; /* Graphic ctl 0x3ce */ #define GRDC_MAX_REG 0x08 #define GRDC_MAX_MODEL 0x05 static Bit8u grdc_access[GRDC_MAX_REG+1]= { /* 00 01 02 03 04 05 06 07 08 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; static Bit8u grdc_regs[GRDC_MAX_MODEL+1][GRDC_MAX_REG+1]= {/* Model 00 01 02 03 04 05 06 07 08 */ /* 00 */ 0x00,0x00,0x00,0x00,0x00,0x10,0x0e,0x0f,0xff, /* 01 */ 0x00,0x00,0x00,0x00,0x00,0x30,0x0f,0x0f,0xff, /* 02 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x0f,0xff, /* 03 */ 0x00,0x00,0x00,0x00,0x00,0x10,0x0a,0x0f,0xff, /* 04 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x0f,0xff, /* 05 */ 0x00,0x00,0x00,0x00,0x00,0x40,0x05,0x0f,0xff }; /* Default Palette */ #define DAC_MAX_MODEL 3 static Bit8u dac_regs[DAC_MAX_MODEL+1]= {0x3f,0x3f,0x3f,0xff}; /* Mono */ static Bit8u palette0[63+1][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 palette1[63+1][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 palette2[63+1][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 palette3[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 }; static Bit8u static_functionality[0x10]= { /* 0 */ 0xff, // All modes supported #1 /* 1 */ 0xff, // All modes supported #2 /* 2 */ 0x0f, // All modes supported #3 /* 3 */ 0x00, 0x00, 0x00, 0x00, // reserved /* 7 */ 0x07, // 200, 350, 400 scan lines /* 8 */ 0xFF, // FIXME i don't know what this is /* 9 */ 0xFF, // FIXME i don't know what this is /* a */ 0xe3, // Change to add new functions /* b */ 0x0c, // Change to add new functions /* c */ 0x00, // reserved /* d */ 0x00, // reserved /* e */ 0x00, // Change to add new functions /* f */ 0x00 // reserved }; static Bit8u FindVideoMode(Bit8u mode) { Bit8u line=0xff; for(Bit8u i=0;i<=MODE_MAX;i++) { if(vga_modes[i].svgamode==mode) { line=i; break; } } return line; } VGAMODES * GetCurrentMode(void) { Bit8u ret=FindVideoMode(real_readb(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE)&127); if (ret==0xff) return 0; return &vga_modes[ret]; } void INT10_SetVideoMode(Bit8u mode) { bool clearmem=(mode & 128)==0; Bit8u *palette; Bit16u i,twidth,theight,cheight; Bit8u modeset_ctl,video_ctl,vga_switches; Bit16u crtc_addr; Bit8u line; mode&=mode & 127; line=FindVideoMode(mode); if (line==0xff) { LOG_ERROR("INT10:Trying to set non supported video mode %X",mode); return; } twidth=vga_modes[line].twidth; theight=vga_modes[line].theight; cheight=vga_modes[line].cheight; // Read the bios vga control video_ctl=real_readb(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL); // Read the bios vga switches vga_switches=real_readb(BIOSMEM_SEG,BIOSMEM_SWITCHES); // Read the bios mode set control modeset_ctl=real_readb(BIOSMEM_SEG,BIOSMEM_MODESET_CTL); /* Reset Attribute ctl into address mode just to be safe */ IO_Read(VGAREG_ACTL_RESET); // Set the High Attribute Ctl for(i=0x10;i<=ACTL_MAX_REG;i++) { IO_Write(VGAREG_ACTL_ADDRESS,(Bit8u)i); IO_Write(VGAREG_ACTL_WRITE_DATA,actl_regs[vga_modes[line].actlmodel][i]); } // Set Sequencer Ctl for(i=0;i<=SEQU_MAX_REG;i++) { IO_Write(VGAREG_SEQU_ADDRESS,(Bit8u)i); IO_Write(VGAREG_SEQU_DATA,sequ_regs[vga_modes[line].sequmodel][i]); } // Set Grafx Ctl for(i=0;i<=GRDC_MAX_REG;i++) { IO_Write(VGAREG_GRDC_ADDRESS,(Bit8u)i); IO_Write(VGAREG_GRDC_DATA,grdc_regs[vga_modes[line].grdcmodel][i]); } // Set CRTC address VGA or MDA crtc_addr=vga_modes[line].memmodel==MTEXT?VGAREG_MDA_CRTC_ADDRESS:VGAREG_VGA_CRTC_ADDRESS; // Set CRTC regs for(i=0;i<=CRTC_MAX_REG;i++) { IO_Write(crtc_addr,(Bit8u)i); IO_Write(crtc_addr+1,crtc_regs[vga_modes[line].crtcmodel][i]); } // Set the misc register IO_Write(VGAREG_WRITE_MISC_OUTPUT,vga_modes[line].miscreg); // Enable video IO_Write(VGAREG_ACTL_ADDRESS,0x20); IO_Read(VGAREG_ACTL_RESET); //Set the palette if ((modeset_ctl&0x08)==0x8) LOG_DEBUG("INT10:Mode set without palette"); if((modeset_ctl&0x08)==0) { // Set the PEL mask IO_Write(VGAREG_PEL_MASK,vga_modes[line].pelmask); // Set the whole dac always, from 0 IO_Write(VGAREG_DAC_WRITE_ADDRESS,0x00); // From which palette switch(vga_modes[line].dacmodel) { case 0: palette=(Bit8u*)&palette0; break; case 1: palette=(Bit8u*)&palette1; break; case 2: palette=(Bit8u*)&palette2; break; case 3: palette=(Bit8u*)&palette3; break; default: palette=(Bit8u*)&palette0;/*for gcc*/ E_Exit("INT10: palette error in setvidmode"); break; } // Set the actual palette for (i=0;i<256;i++) { if (i<=dac_regs[vga_modes[line].dacmodel]) { IO_Write(VGAREG_DAC_DATA,palette[(i*3)+0]); IO_Write(VGAREG_DAC_DATA,palette[(i*3)+1]); IO_Write(VGAREG_DAC_DATA,palette[(i*3)+2]); } else { IO_Write(VGAREG_DAC_DATA,0); IO_Write(VGAREG_DAC_DATA,0); IO_Write(VGAREG_DAC_DATA,0); } } } IO_Read(VGAREG_ACTL_RESET); // Set the Low Attribute Ctl for(i=0;i<=0xf;i++) { IO_Write(VGAREG_ACTL_ADDRESS,(Bit8u)i); IO_Write(VGAREG_ACTL_WRITE_DATA,actl_regs[vga_modes[line].actlmodel][i]); } Bit32u tel; if(clearmem) { if(vga_modes[line].type==TEXT) { PhysPt dest=PhysMake(vga_modes[line].sstart,0); for (tel=0;tel<0x4000;tel++) { mem_writew(dest,0x0720); dest+=2; } } else { PhysPt dest=PhysMake(0xb800,0); for (tel=0;tel<0x4000;tel++) { mem_writew(dest,0x0000); dest+=2; } dest=PhysMake(0xa000,0); for (tel=0;tel<0x8000;tel++) { mem_writew(dest,0x0000); dest+=2; } // FIXME should handle gfx mode } } // Set the BIOS mem real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE,mode|((!clearmem) << 7)); real_writew(BIOSMEM_SEG,BIOSMEM_NB_COLS,twidth); real_writew(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE,vga_modes[line].slength); real_writew(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS,crtc_addr); real_writeb(BIOSMEM_SEG,BIOSMEM_NB_ROWS,theight-1); real_writew(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT,cheight); real_writeb(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL,(0x60|(clearmem << 7))); real_writeb(BIOSMEM_SEG,BIOSMEM_SWITCHES,0xF9); real_writeb(BIOSMEM_SEG,BIOSMEM_SWITCHES,0); real_writeb(BIOSMEM_SEG,BIOSMEM_MODESET_CTL,real_readb(BIOSMEM_SEG,BIOSMEM_MODESET_CTL)&0x7f); // FIXME We nearly have the good tables. to be reworked real_writeb(BIOSMEM_SEG,BIOSMEM_DCC_INDEX,0x08); // 8 is VGA should be ok for now real_writew(BIOSMEM_SEG,BIOSMEM_VS_POINTER,0x00); real_writew(BIOSMEM_SEG,BIOSMEM_VS_POINTER+2,0x00); // FIXME real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x00); // Unavailable on vanilla vga, but... real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,0x00); // Unavailable on vanilla vga, but... // Set cursor shape if(vga_modes[line].type==TEXT) { //TODO cursor shape biosfn_set_cursor_shape(0x06,0x07); } // Set cursor pos for page 0..7 for(i=0;i<8;i++) INT10_SetCursorPos(0,0,(Bit8u)i); // Set active page 0 INT10_SetActivePage(0); /* Set some interrupt vectors */ RealSetVec(0x43,int10_romarea.font_8_first); };