vgasrc/vgatables.c

   1 // Tables used by VGA bios
   2 //
   3 // Copyright (C) 2009  Kevin O'Connor <kevin@koconnor.net>
   4 // Copyright (C) 2001-2008 the LGPL VGABios developers Team
   5 //
   6 // This file may be distributed under the terms of the GNU LGPLv3 license.
   7
   8 #include "vgatables.h" // struct VideoParamTableEntry_s
   9 #include "biosvar.h" // GET_GLOBAL
  10 #include "util.h" // memcpy_far
  11
  12
  13 /****************************************************************
  14  * Video parameter table
  15  ****************************************************************/
  16
  17 // Standard Video Save Pointer Table
  18 struct VideoSavePointer_s {
  19     struct segoff_s videoparam;
  20     struct segoff_s paramdynamicsave;
  21     struct segoff_s textcharset;
  22     struct segoff_s graphcharset;
  23     struct segoff_s secsavepointer;
  24     u8 reserved[8];
  25 } PACKED;
  26
  27 struct VideoSavePointer_s video_save_pointer_table VAR16;
  28
  29 // standard BIOS Video Parameter Table
  30 struct VideoParam_s {
  31     u8 twidth;
  32     u8 theightm1;
  33     u8 cheight;
  34     u16 slength;
  35     u8 sequ_regs[4];
  36     u8 miscreg;
  37     u8 crtc_regs[25];
  38     u8 actl_regs[20];
  39     u8 grdc_regs[9];
  40 } PACKED;
  41
  42 struct VideoParam_s video_param_table[29] VAR16;
  43
  44 void
  45 build_video_param(void)
  46 {
  47     static u8 parammodes[ARRAY_SIZE(video_param_table)] VAR16 = {
  48         0, 0, 0, 0, 0x04, 0x05, 0x06, 0x07,
  49         0, 0, 0, 0, 0, 0x0d, 0x0e, 0,
  50         0, 0x0f, 0x10, 0, 0, 0, 0, 0x01,
  51         0x03, 0x07, 0x11, 0x12, 0x13
  52     };
  53
  54     int i;
  55     for (i=0; i<ARRAY_SIZE(parammodes); i++) {
  56         u8 mode = GET_GLOBAL(parammodes[i]);
  57         if (! mode)
  58             continue;
  59         struct VideoParam_s *vparam_g = &video_param_table[i];
  60         struct vgamode_s *vmode_g = find_vga_entry(mode);
  61         if (!vmode_g)
  62             continue;
  63         SET_VGA(vparam_g->twidth, GET_GLOBAL(vmode_g->twidth));
  64         SET_VGA(vparam_g->theightm1, GET_GLOBAL(vmode_g->theight)-1);
  65         SET_VGA(vparam_g->cheight, GET_GLOBAL(vmode_g->cheight));
  66         SET_VGA(vparam_g->slength, GET_GLOBAL(vmode_g->slength));
  67         memcpy_far(get_global_seg(), vparam_g->sequ_regs
  68                    , get_global_seg(), GET_GLOBAL(vmode_g->sequ_regs)
  69                    , ARRAY_SIZE(vparam_g->sequ_regs));
  70         SET_VGA(vparam_g->miscreg, GET_GLOBAL(vmode_g->miscreg));
  71         memcpy_far(get_global_seg(), vparam_g->crtc_regs
  72                    , get_global_seg(), GET_GLOBAL(vmode_g->crtc_regs)
  73                    , ARRAY_SIZE(vparam_g->crtc_regs));
  74         memcpy_far(get_global_seg(), vparam_g->actl_regs
  75                    , get_global_seg(), GET_GLOBAL(vmode_g->actl_regs)
  76                    , ARRAY_SIZE(vparam_g->actl_regs));
  77         memcpy_far(get_global_seg(), vparam_g->grdc_regs
  78                    , get_global_seg(), GET_GLOBAL(vmode_g->grdc_regs)
  79                    , ARRAY_SIZE(vparam_g->grdc_regs));
  80     }
  81
  82     SET_VGA(video_save_pointer_table.videoparam
  83             , SEGOFF(get_global_seg(), (u32)video_param_table));
  84 }
  85
  86
  87 /****************************************************************
  88  * Register definitions
  89  ****************************************************************/
  90
  91 /* Mono */
  92 static u8 palette0[] VAR16 = {
  93   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
  94   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
  95   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  96   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  97   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  98   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  99   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 100   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 101   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 102   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 103   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 104   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 105   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 106   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 107   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 108   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f
 109 };
 110
 111 static u8 palette1[] VAR16 = {
 112   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 113   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 114   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 115   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 116   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 117   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 118   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 119   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 120   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 121   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 122   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 123   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 124   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 125   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 126   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 127   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 128 };
 129
 130 static u8 palette2[] VAR16 = {
 131   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 132   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x2a,0x00, 0x2a,0x2a,0x2a,
 133   0x00,0x00,0x15, 0x00,0x00,0x3f, 0x00,0x2a,0x15, 0x00,0x2a,0x3f,
 134   0x2a,0x00,0x15, 0x2a,0x00,0x3f, 0x2a,0x2a,0x15, 0x2a,0x2a,0x3f,
 135   0x00,0x15,0x00, 0x00,0x15,0x2a, 0x00,0x3f,0x00, 0x00,0x3f,0x2a,
 136   0x2a,0x15,0x00, 0x2a,0x15,0x2a, 0x2a,0x3f,0x00, 0x2a,0x3f,0x2a,
 137   0x00,0x15,0x15, 0x00,0x15,0x3f, 0x00,0x3f,0x15, 0x00,0x3f,0x3f,
 138   0x2a,0x15,0x15, 0x2a,0x15,0x3f, 0x2a,0x3f,0x15, 0x2a,0x3f,0x3f,
 139   0x15,0x00,0x00, 0x15,0x00,0x2a, 0x15,0x2a,0x00, 0x15,0x2a,0x2a,
 140   0x3f,0x00,0x00, 0x3f,0x00,0x2a, 0x3f,0x2a,0x00, 0x3f,0x2a,0x2a,
 141   0x15,0x00,0x15, 0x15,0x00,0x3f, 0x15,0x2a,0x15, 0x15,0x2a,0x3f,
 142   0x3f,0x00,0x15, 0x3f,0x00,0x3f, 0x3f,0x2a,0x15, 0x3f,0x2a,0x3f,
 143   0x15,0x15,0x00, 0x15,0x15,0x2a, 0x15,0x3f,0x00, 0x15,0x3f,0x2a,
 144   0x3f,0x15,0x00, 0x3f,0x15,0x2a, 0x3f,0x3f,0x00, 0x3f,0x3f,0x2a,
 145   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 146   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 147 };
 148
 149 static u8 palette3[] VAR16 = {
 150   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 151   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 152   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 153   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 154   0x00,0x00,0x00, 0x05,0x05,0x05, 0x08,0x08,0x08, 0x0b,0x0b,0x0b,
 155   0x0e,0x0e,0x0e, 0x11,0x11,0x11, 0x14,0x14,0x14, 0x18,0x18,0x18,
 156   0x1c,0x1c,0x1c, 0x20,0x20,0x20, 0x24,0x24,0x24, 0x28,0x28,0x28,
 157   0x2d,0x2d,0x2d, 0x32,0x32,0x32, 0x38,0x38,0x38, 0x3f,0x3f,0x3f,
 158   0x00,0x00,0x3f, 0x10,0x00,0x3f, 0x1f,0x00,0x3f, 0x2f,0x00,0x3f,
 159   0x3f,0x00,0x3f, 0x3f,0x00,0x2f, 0x3f,0x00,0x1f, 0x3f,0x00,0x10,
 160   0x3f,0x00,0x00, 0x3f,0x10,0x00, 0x3f,0x1f,0x00, 0x3f,0x2f,0x00,
 161   0x3f,0x3f,0x00, 0x2f,0x3f,0x00, 0x1f,0x3f,0x00, 0x10,0x3f,0x00,
 162   0x00,0x3f,0x00, 0x00,0x3f,0x10, 0x00,0x3f,0x1f, 0x00,0x3f,0x2f,
 163   0x00,0x3f,0x3f, 0x00,0x2f,0x3f, 0x00,0x1f,0x3f, 0x00,0x10,0x3f,
 164   0x1f,0x1f,0x3f, 0x27,0x1f,0x3f, 0x2f,0x1f,0x3f, 0x37,0x1f,0x3f,
 165   0x3f,0x1f,0x3f, 0x3f,0x1f,0x37, 0x3f,0x1f,0x2f, 0x3f,0x1f,0x27,
 166
 167   0x3f,0x1f,0x1f, 0x3f,0x27,0x1f, 0x3f,0x2f,0x1f, 0x3f,0x37,0x1f,
 168   0x3f,0x3f,0x1f, 0x37,0x3f,0x1f, 0x2f,0x3f,0x1f, 0x27,0x3f,0x1f,
 169   0x1f,0x3f,0x1f, 0x1f,0x3f,0x27, 0x1f,0x3f,0x2f, 0x1f,0x3f,0x37,
 170   0x1f,0x3f,0x3f, 0x1f,0x37,0x3f, 0x1f,0x2f,0x3f, 0x1f,0x27,0x3f,
 171   0x2d,0x2d,0x3f, 0x31,0x2d,0x3f, 0x36,0x2d,0x3f, 0x3a,0x2d,0x3f,
 172   0x3f,0x2d,0x3f, 0x3f,0x2d,0x3a, 0x3f,0x2d,0x36, 0x3f,0x2d,0x31,
 173   0x3f,0x2d,0x2d, 0x3f,0x31,0x2d, 0x3f,0x36,0x2d, 0x3f,0x3a,0x2d,
 174   0x3f,0x3f,0x2d, 0x3a,0x3f,0x2d, 0x36,0x3f,0x2d, 0x31,0x3f,0x2d,
 175   0x2d,0x3f,0x2d, 0x2d,0x3f,0x31, 0x2d,0x3f,0x36, 0x2d,0x3f,0x3a,
 176   0x2d,0x3f,0x3f, 0x2d,0x3a,0x3f, 0x2d,0x36,0x3f, 0x2d,0x31,0x3f,
 177   0x00,0x00,0x1c, 0x07,0x00,0x1c, 0x0e,0x00,0x1c, 0x15,0x00,0x1c,
 178   0x1c,0x00,0x1c, 0x1c,0x00,0x15, 0x1c,0x00,0x0e, 0x1c,0x00,0x07,
 179   0x1c,0x00,0x00, 0x1c,0x07,0x00, 0x1c,0x0e,0x00, 0x1c,0x15,0x00,
 180   0x1c,0x1c,0x00, 0x15,0x1c,0x00, 0x0e,0x1c,0x00, 0x07,0x1c,0x00,
 181   0x00,0x1c,0x00, 0x00,0x1c,0x07, 0x00,0x1c,0x0e, 0x00,0x1c,0x15,
 182   0x00,0x1c,0x1c, 0x00,0x15,0x1c, 0x00,0x0e,0x1c, 0x00,0x07,0x1c,
 183
 184   0x0e,0x0e,0x1c, 0x11,0x0e,0x1c, 0x15,0x0e,0x1c, 0x18,0x0e,0x1c,
 185   0x1c,0x0e,0x1c, 0x1c,0x0e,0x18, 0x1c,0x0e,0x15, 0x1c,0x0e,0x11,
 186   0x1c,0x0e,0x0e, 0x1c,0x11,0x0e, 0x1c,0x15,0x0e, 0x1c,0x18,0x0e,
 187   0x1c,0x1c,0x0e, 0x18,0x1c,0x0e, 0x15,0x1c,0x0e, 0x11,0x1c,0x0e,
 188   0x0e,0x1c,0x0e, 0x0e,0x1c,0x11, 0x0e,0x1c,0x15, 0x0e,0x1c,0x18,
 189   0x0e,0x1c,0x1c, 0x0e,0x18,0x1c, 0x0e,0x15,0x1c, 0x0e,0x11,0x1c,
 190   0x14,0x14,0x1c, 0x16,0x14,0x1c, 0x18,0x14,0x1c, 0x1a,0x14,0x1c,
 191   0x1c,0x14,0x1c, 0x1c,0x14,0x1a, 0x1c,0x14,0x18, 0x1c,0x14,0x16,
 192   0x1c,0x14,0x14, 0x1c,0x16,0x14, 0x1c,0x18,0x14, 0x1c,0x1a,0x14,
 193   0x1c,0x1c,0x14, 0x1a,0x1c,0x14, 0x18,0x1c,0x14, 0x16,0x1c,0x14,
 194   0x14,0x1c,0x14, 0x14,0x1c,0x16, 0x14,0x1c,0x18, 0x14,0x1c,0x1a,
 195   0x14,0x1c,0x1c, 0x14,0x1a,0x1c, 0x14,0x18,0x1c, 0x14,0x16,0x1c,
 196   0x00,0x00,0x10, 0x04,0x00,0x10, 0x08,0x00,0x10, 0x0c,0x00,0x10,
 197   0x10,0x00,0x10, 0x10,0x00,0x0c, 0x10,0x00,0x08, 0x10,0x00,0x04,
 198   0x10,0x00,0x00, 0x10,0x04,0x00, 0x10,0x08,0x00, 0x10,0x0c,0x00,
 199   0x10,0x10,0x00, 0x0c,0x10,0x00, 0x08,0x10,0x00, 0x04,0x10,0x00,
 200
 201   0x00,0x10,0x00, 0x00,0x10,0x04, 0x00,0x10,0x08, 0x00,0x10,0x0c,
 202   0x00,0x10,0x10, 0x00,0x0c,0x10, 0x00,0x08,0x10, 0x00,0x04,0x10,
 203   0x08,0x08,0x10, 0x0a,0x08,0x10, 0x0c,0x08,0x10, 0x0e,0x08,0x10,
 204   0x10,0x08,0x10, 0x10,0x08,0x0e, 0x10,0x08,0x0c, 0x10,0x08,0x0a,
 205   0x10,0x08,0x08, 0x10,0x0a,0x08, 0x10,0x0c,0x08, 0x10,0x0e,0x08,
 206   0x10,0x10,0x08, 0x0e,0x10,0x08, 0x0c,0x10,0x08, 0x0a,0x10,0x08,
 207   0x08,0x10,0x08, 0x08,0x10,0x0a, 0x08,0x10,0x0c, 0x08,0x10,0x0e,
 208   0x08,0x10,0x10, 0x08,0x0e,0x10, 0x08,0x0c,0x10, 0x08,0x0a,0x10,
 209   0x0b,0x0b,0x10, 0x0c,0x0b,0x10, 0x0d,0x0b,0x10, 0x0f,0x0b,0x10,
 210   0x10,0x0b,0x10, 0x10,0x0b,0x0f, 0x10,0x0b,0x0d, 0x10,0x0b,0x0c,
 211   0x10,0x0b,0x0b, 0x10,0x0c,0x0b, 0x10,0x0d,0x0b, 0x10,0x0f,0x0b,
 212   0x10,0x10,0x0b, 0x0f,0x10,0x0b, 0x0d,0x10,0x0b, 0x0c,0x10,0x0b,
 213   0x0b,0x10,0x0b, 0x0b,0x10,0x0c, 0x0b,0x10,0x0d, 0x0b,0x10,0x0f,
 214   0x0b,0x10,0x10, 0x0b,0x0f,0x10, 0x0b,0x0d,0x10, 0x0b,0x0c,0x10,
 215   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 216   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00
 217 };
 218
 219 static u8 sequ_01[] VAR16 = { 0x08, 0x03, 0x00, 0x02 };
 220 static u8 crtc_01[] VAR16 = {
 221     0x2d, 0x27, 0x28, 0x90, 0x2b, 0xa0, 0xbf, 0x1f,
 222     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 223     0x9c, 0x8e, 0x8f, 0x14, 0x1f, 0x96, 0xb9, 0xa3,
 224     0xff };
 225 static u8 actl_01[] VAR16 = {
 226     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 227     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 228     0x0c, 0x00, 0x0f, 0x08 };
 229 static u8 grdc_01[] VAR16 = {
 230     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff };
 231 static u8 sequ_03[] VAR16 = { 0x00, 0x03, 0x00, 0x02 };
 232 static u8 crtc_03[] VAR16 = {
 233     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 234     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 235     0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
 236     0xff };
 237 static u8 sequ_04[] VAR16 = { 0x09, 0x03, 0x00, 0x02 };
 238 static u8 crtc_04[] VAR16 = {
 239     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 240     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 241     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2,
 242     0xff };
 243 static u8 actl_04[] VAR16 = {
 244     0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07,
 245     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 246     0x01, 0x00, 0x03, 0x00 };
 247 static u8 grdc_04[] VAR16 = {
 248     0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff };
 249 static u8 sequ_06[] VAR16 = { 0x01, 0x01, 0x00, 0x06 };
 250 static u8 crtc_06[] VAR16 = {
 251     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 252     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 253     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xc2,
 254     0xff };
 255 static u8 actl_06[] VAR16 = {
 256     0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 257     0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 258     0x01, 0x00, 0x01, 0x00 };
 259 static u8 grdc_06[] VAR16 = {
 260     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x0f, 0xff };
 261 static u8 crtc_07[] VAR16 = {
 262     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 263     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 264     0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3,
 265     0xff };
 266 static u8 actl_07[] VAR16 = {
 267     0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
 268     0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 269     0x0e, 0x00, 0x0f, 0x08 };
 270 static u8 grdc_07[] VAR16 = {
 271     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff };
 272 static u8 sequ_0d[] VAR16 = { 0x09, 0x0f, 0x00, 0x06 };
 273 static u8 crtc_0d[] VAR16 = {
 274     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 275     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 276     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xe3,
 277     0xff };
 278 static u8 actl_0d[] VAR16 = {
 279     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 280     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 281     0x01, 0x00, 0x0f, 0x00 };
 282 static u8 grdc_0d[] VAR16 = {
 283     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff };
 284 static u8 sequ_0e[] VAR16 = { 0x01, 0x0f, 0x00, 0x06 };
 285 static u8 crtc_0e[] VAR16 = {
 286     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 287     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 288     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xe3,
 289     0xff };
 290 static u8 crtc_0f[] VAR16 = {
 291     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 292     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 293     0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3,
 294     0xff };
 295 static u8 actl_0f[] VAR16 = {
 296     0x00, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
 297     0x00, 0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
 298     0x01, 0x00, 0x01, 0x00 };
 299 static u8 actl_10[] VAR16 = {
 300     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 301     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 302     0x01, 0x00, 0x0f, 0x00 };
 303 static u8 crtc_11[] VAR16 = {
 304     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e,
 305     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 306     0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
 307     0xff };
 308 static u8 actl_11[] VAR16 = {
 309     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 310     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 311     0x01, 0x00, 0x0f, 0x00 };
 312 static u8 sequ_13[] VAR16 = { 0x01, 0x0f, 0x00, 0x0e };
 313 static u8 crtc_13[] VAR16 = {
 314     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 315     0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 316     0x9c, 0x8e, 0x8f, 0x28, 0x40, 0x96, 0xb9, 0xa3,
 317     0xff };
 318 static u8 actl_13[] VAR16 = {
 319     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 320     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 321     0x41, 0x00, 0x0f, 0x00 };
 322 static u8 grdc_13[] VAR16 = {
 323     0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, 0xff };
 324 static u8 crtc_6A[] VAR16 = {
 325     0x7f, 0x63, 0x63, 0x83, 0x6b, 0x1b, 0x72, 0xf0,
 326     0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 327     0x59, 0x8d, 0x57, 0x32, 0x00, 0x57, 0x73, 0xe3,
 328     0xff };
 329
 330
 331 /****************************************************************
 332  * Video mode list
 333  ****************************************************************/
 334
 335 #define PAL(x) x, sizeof(x)
 336 #define VPARAM(x) &video_param_table[x]
 337
 338 static struct vgamode_s vga_modes[] VAR16 = {
 339     //mode model     tx  ty  ch bits sstart    slength
 340     // pelm  dac            sequ     misc  crtc     actl     grdc
 341     {0x00, CTEXT,    40, 25, 16, 4, SEG_CTEXT, 0x0800
 342      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01 },
 343     {0x01, CTEXT,    40, 25, 16, 4, SEG_CTEXT, 0x0800
 344      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01 },
 345     {0x02, CTEXT,    80, 25, 16, 4, SEG_CTEXT, 0x1000
 346      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01 },
 347     {0x03, CTEXT,    80, 25, 16, 4, SEG_CTEXT, 0x1000
 348      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01 },
 349     {0x04, CGA,      40, 25,  8, 2, SEG_CTEXT, 0x0800
 350      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 351     {0x05, CGA,      40, 25,  8, 2, SEG_CTEXT, 0x0800
 352      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 353     {0x06, CGA,      80, 25,  8, 1, SEG_CTEXT, 0x1000
 354      , 0xFF, PAL(palette1), sequ_06, 0x63, crtc_06, actl_06, grdc_06},
 355     {0x07, MTEXT,    80, 25, 16, 4, SEG_MTEXT, 0x1000
 356      , 0xFF, PAL(palette0), sequ_03, 0x66, crtc_07, actl_07, grdc_07},
 357     {0x0D, PLANAR4,  40, 25,  8, 4, SEG_GRAPH, 0x2000
 358      , 0xFF, PAL(palette1), sequ_0d, 0x63, crtc_0d, actl_0d, grdc_0d},
 359     {0x0E, PLANAR4,  80, 25,  8, 4, SEG_GRAPH, 0x4000
 360      , 0xFF, PAL(palette1), sequ_0e, 0x63, crtc_0e, actl_0d, grdc_0d},
 361     {0x0F, PLANAR1,  80, 25, 14, 1, SEG_GRAPH, 0x8000
 362      , 0xFF, PAL(palette0), sequ_0e, 0xa3, crtc_0f, actl_0f, grdc_0d},
 363     {0x10, PLANAR4,  80, 25, 14, 4, SEG_GRAPH, 0x8000
 364      , 0xFF, PAL(palette2), sequ_0e, 0xa3, crtc_0f, actl_10, grdc_0d},
 365     {0x11, PLANAR1,  80, 30, 16, 1, SEG_GRAPH, 0x0000
 366      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_11, grdc_0d},
 367     {0x12, PLANAR4,  80, 30, 16, 4, SEG_GRAPH, 0x0000
 368      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_10, grdc_0d},
 369     {0x13, LINEAR8,  40, 25,  8, 8, SEG_GRAPH, 0x0000
 370      , 0xFF, PAL(palette3), sequ_13, 0x63, crtc_13, actl_13, grdc_13},
 371     {0x6A, PLANAR4, 100, 37, 16, 4, SEG_GRAPH, 0x0000
 372      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_6A, actl_10, grdc_0d},
 373 };
 374
 375 struct vgamode_s *
 376 find_vga_entry(u8 mode)
 377 {
 378     int i;
 379     for (i = 0; i < ARRAY_SIZE(vga_modes); i++) {
 380         struct vgamode_s *vmode_g = &vga_modes[i];
 381         if (GET_GLOBAL(vmode_g->svgamode) == mode)
 382             return vmode_g;
 383     }
 384     return NULL;
 385 }
 386
 387
 388 /****************************************************************
 389  * Static functionality table
 390  ****************************************************************/
 391
 392 u8 static_functionality[0x10] VAR16 = {
 393  /* 0 */ 0xff,  // All modes supported #1
 394  /* 1 */ 0xe0,  // All modes supported #2
 395  /* 2 */ 0x0f,  // All modes supported #3
 396  /* 3 */ 0x00, 0x00, 0x00, 0x00,  // reserved
 397  /* 7 */ 0x07,  // 200, 350, 400 scan lines
 398  /* 8 */ 0x02,  // mamimum number of visible charsets in text mode
 399  /* 9 */ 0x08,  // total number of charset blocks in text mode
 400  /* a */ 0xe7,  // Change to add new functions
 401  /* b */ 0x0c,  // Change to add new functions
 402  /* c */ 0x00,  // reserved
 403  /* d */ 0x00,  // reserved
 404  /* e */ 0x00,  // Change to add new functions
 405  /* f */ 0x00   // reserved
 406 };