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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1508 | art_zh | 3 | ;; Copyright (C) KolibriOS team 2004-2010. All rights reserved. ;; |
431 | serge | 4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;; BOOTCODE.INC ;; |
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8 | ;; ;; |
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9 | ;; KolibriOS 16-bit loader, ;; |
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10 | ;; based on bootcode for MenuetOS ;; |
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11 | ;; ;; |
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12 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1 | ha | 13 | |
593 | mikedld | 14 | $Revision: 1508 $ |
1 | ha | 15 | |
16 | |||
17 | ;========================================================================== |
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18 | ; |
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19 | ; 16 BIT FUNCTIONS |
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20 | ; |
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21 | ;========================================================================== |
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22 | |||
183 | diamond | 23 | |
29 | halyavin | 24 | putchar: |
25 | ; in: al=character |
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514 | diamond | 26 | mov ah, 0Eh |
27 | mov bh, 0 |
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28 | int 10h |
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29 | ret |
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1 | ha | 30 | |
29 | halyavin | 31 | print: |
32 | ; in: si->string |
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514 | diamond | 33 | mov al, 186 |
34 | call putchar |
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35 | mov al, ' ' |
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36 | call putchar |
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1 | ha | 37 | |
29 | halyavin | 38 | printplain: |
39 | ; in: si->string |
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514 | diamond | 40 | pusha |
41 | lodsb |
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29 | halyavin | 42 | @@: |
514 | diamond | 43 | call putchar |
44 | lodsb |
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1264 | Lrz | 45 | test al,al |
514 | diamond | 46 | jnz @b |
47 | popa |
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48 | ret |
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1 | ha | 49 | |
29 | halyavin | 50 | getkey: |
51 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
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52 | ; in: bx=range |
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53 | ; out: ax=digit (1..9, 10 for 0) |
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514 | diamond | 54 | mov ah, 0 |
55 | int 16h |
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56 | cmp al, bl |
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57 | jb getkey |
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58 | cmp al, bh |
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59 | ja getkey |
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60 | push ax |
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61 | call putchar |
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62 | pop ax |
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63 | and ax, 0Fh |
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64 | jnz @f |
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65 | mov al, 10 |
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29 | halyavin | 66 | @@: |
514 | diamond | 67 | ret |
1 | ha | 68 | |
29 | halyavin | 69 | setcursor: |
70 | ; in: dl=column, dh=row |
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514 | diamond | 71 | mov ah, 2 |
72 | mov bh, 0 |
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73 | int 10h |
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74 | ret |
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29 | halyavin | 75 | |
76 | macro _setcursor row,column |
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77 | { |
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514 | diamond | 78 | mov dx, row*256 + column |
79 | call setcursor |
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29 | halyavin | 80 | } |
81 | |||
134 | diamond | 82 | boot_read_floppy: |
83 | push si |
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84 | xor si, si |
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85 | mov ah, 2 ; read |
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86 | @@: |
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87 | push ax |
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88 | int 0x13 |
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89 | pop ax |
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90 | jnc @f |
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91 | inc si |
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92 | cmp si, 10 |
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93 | jb @b |
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465 | serge | 94 | mov si, badsect |
134 | diamond | 95 | sayerr_plain: |
96 | call printplain |
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97 | jmp $ |
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98 | @@: |
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99 | pop si |
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100 | ret |
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101 | |||
795 | shurf | 102 | ; convert abs. sector number (AX) to BIOS T:H:S |
103 | ; sector number = (abs.sector%BPB_SecPerTrk)+1 |
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104 | ; pre.track number = (abs.sector/BPB_SecPerTrk) |
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105 | ; head number = pre.track number%BPB_NumHeads |
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106 | ; track number = pre.track number/BPB_NumHeads |
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107 | ; Return: cl - sector number |
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108 | ; ch - track number |
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109 | ; dl - drive number (0 = a:) |
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110 | ; dh - head number |
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111 | conv_abs_to_THS: |
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112 | push bx |
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113 | mov bx,word [BPB_SecPerTrk] |
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114 | xor dx,dx |
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115 | div bx |
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116 | inc dx |
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117 | mov cl, dl ; cl = sector number |
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118 | mov bx,word [BPB_NumHeads] |
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119 | xor dx,dx |
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120 | div bx |
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121 | ; !!!!!!! ax = track number, dx = head number |
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122 | mov ch,al ; ch=track number |
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123 | xchg dh,dl ; dh=head number |
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124 | mov dl,0 ; dl=0 (drive 0 (a:)) |
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125 | pop bx |
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126 | retn |
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127 | ; needed variables |
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816 | Lrz | 128 | BPB_SecPerTrk dw 0 ; sectors per track |
129 | BPB_NumHeads dw 0 ; number of heads |
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130 | BPB_FATSz16 dw 0 ; size of FAT |
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131 | BPB_RootEntCnt dw 0 ; count of root dir. entries |
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132 | BPB_BytsPerSec dw 0 ; bytes per sector |
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133 | BPB_RsvdSecCnt dw 0 ; number of reserved sectors |
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134 | BPB_TotSec16 dw 0 ; count of the sectors on the volume |
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135 | BPB_SecPerClus db 0 ; number of sectors per cluster |
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136 | BPB_NumFATs db 0 ; number of FAT tables |
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137 | abs_sector_adj dw 0 ; adjustment to make abs. sector number |
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138 | end_of_FAT dw 0 ; end of FAT table |
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139 | FirstDataSector dw 0 ; begin of data |
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795 | shurf | 140 | |
1 | ha | 141 | ;========================================================================= |
142 | ; |
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143 | ; 16 BIT CODE |
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144 | ; |
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145 | ;========================================================================= |
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146 | |||
713 | Lrz | 147 | include 'bootvesa.inc' ;Include source for boot vesa |
1 | ha | 148 | |
149 | start_of_code: |
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514 | diamond | 150 | cld |
29 | halyavin | 151 | ; \begin{diamond}[02.12.2005] |
514 | diamond | 152 | ; if bootloader sets ax = 'KL', then ds:si points to loader block |
153 | cmp ax, 'KL' |
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154 | jnz @f |
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155 | mov word [cs:cfgmanager.loader_block], si |
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156 | mov word [cs:cfgmanager.loader_block+2], ds |
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29 | halyavin | 157 | @@: |
158 | ; \end{diamond}[02.12.2005] |
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1 | ha | 159 | |
514 | diamond | 160 | ; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source hard disk |
161 | ; (see comment to bx_from_load) |
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162 | cmp cx, 'HA' |
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163 | jnz no_hd_load |
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164 | cmp dx,'RD' |
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165 | jnz no_hd_load |
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166 | mov word [cs:bx_from_load], bx ; {SPraid}[13.03.2007] |
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488 | spraid | 167 | no_hd_load: |
168 | |||
29 | halyavin | 169 | ; set up stack |
514 | diamond | 170 | mov ax, 3000h |
171 | mov ss, ax |
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172 | mov sp, 0EC00h |
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29 | halyavin | 173 | ; set up segment registers |
514 | diamond | 174 | push cs |
175 | pop ds |
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176 | push cs |
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177 | pop es |
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1 | ha | 178 | |
29 | halyavin | 179 | ; set videomode |
514 | diamond | 180 | mov ax, 3 |
181 | int 0x10 |
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1 | ha | 182 | |
134 | diamond | 183 | if lang eq ru |
1 | ha | 184 | ; Load & set russian VGA font (RU.INC) |
514 | diamond | 185 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
186 | mov bx, 1000h ; 768 bytes |
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187 | mov cx, 30h ; 48 symbols |
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188 | mov dx, 80h ; 128 - position of first symbol |
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189 | mov ax, 1100h |
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190 | int 10h |
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1 | ha | 191 | |
514 | diamond | 192 | mov bp, RU_FNT2 ; RU_FNT2 -Second part |
193 | mov bx, 1000h ; 512 bytes |
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194 | mov cx, 20h ; 32 symbols |
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195 | mov dx, 0E0h ; 224 - position of first symbol |
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196 | mov ax, 1100h |
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197 | int 10h |
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1 | ha | 198 | ; End set VGA russian font |
134 | diamond | 199 | end if |
1 | ha | 200 | |
29 | halyavin | 201 | ; draw frames |
514 | diamond | 202 | push 0xb800 |
203 | pop es |
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204 | xor di, di |
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205 | mov ah, 1*16+15 |
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465 | serge | 206 | |
29 | halyavin | 207 | ; draw top |
514 | diamond | 208 | mov si, d80x25_top |
209 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 210 | @@: |
514 | diamond | 211 | lodsb |
212 | stosw |
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213 | loop @b |
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29 | halyavin | 214 | ; draw spaces |
514 | diamond | 215 | mov si, space_msg |
216 | mov dx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 217 | dfl1: |
514 | diamond | 218 | push si |
219 | mov cx, 80 |
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29 | halyavin | 220 | @@: |
514 | diamond | 221 | lodsb |
222 | stosw |
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223 | loop @b |
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224 | pop si |
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225 | dec dx |
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226 | jnz dfl1 |
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29 | halyavin | 227 | ; draw bottom |
514 | diamond | 228 | mov si, d80x25_bottom |
229 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 230 | @@: |
514 | diamond | 231 | lodsb |
232 | stosw |
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233 | loop @b |
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1 | ha | 234 | |
514 | diamond | 235 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
1 | ha | 236 | |
514 | diamond | 237 | _setcursor d80x25_top_num,0 |
1 | ha | 238 | |
239 | |||
240 | ; TEST FOR 386+ |
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1508 | art_zh | 241 | jmp cpugood |
242 | ; mov bx, 0x4000 |
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243 | ; pushf |
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244 | ; pop ax |
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245 | ; mov dx, ax |
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246 | ; xor ax, bx |
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247 | ; push ax |
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248 | ; popf |
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249 | ; pushf |
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250 | ; pop ax |
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251 | ; and ax, bx |
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252 | ; and dx, bx |
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253 | ; cmp ax, dx |
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254 | ; jnz cpugood |
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255 | ; mov si, not386 |
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40 | halyavin | 256 | sayerr: |
1 | ha | 257 | call print |
258 | jmp $ |
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259 | cpugood: |
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260 | |||
514 | diamond | 261 | push 0 |
465 | serge | 262 | popf |
263 | sti |
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264 | |||
29 | halyavin | 265 | ; set up esp |
514 | diamond | 266 | movzx esp, sp |
1 | ha | 267 | |
160 | diamond | 268 | push 0 |
269 | pop es |
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270 | and word [es:0x9031], 0 |
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164 | serge | 271 | ; \begin{Mario79} |
272 | ; find HDD IDE DMA PCI device |
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160 | diamond | 273 | ; check for PCI BIOS |
274 | mov ax, 0xB101 |
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275 | int 0x1A |
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276 | jc .nopci |
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277 | cmp edx, 'PCI ' |
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278 | jnz .nopci |
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279 | ; find PCI class code |
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280 | ; class 1 = mass storage |
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281 | ; subclass 1 = IDE controller |
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282 | ; a) class 1, subclass 1, programming interface 0x80 |
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283 | mov ax, 0xB103 |
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284 | mov ecx, 1*10000h + 1*100h + 0x80 |
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514 | diamond | 285 | xor si, si ; device index = 0 |
160 | diamond | 286 | int 0x1A |
287 | jnc .found |
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187 | diamond | 288 | ; b) class 1, subclass 1, programming interface 0x8A |
160 | diamond | 289 | mov ax, 0xB103 |
187 | diamond | 290 | mov ecx, 1*10000h + 1*100h + 0x8A |
514 | diamond | 291 | xor si, si ; device index = 0 |
160 | diamond | 292 | int 0x1A |
293 | jnc .found |
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187 | diamond | 294 | ; c) class 1, subclass 1, programming interface 0x85 |
160 | diamond | 295 | mov ax, 0xB103 |
187 | diamond | 296 | mov ecx, 1*10000h + 1*100h + 0x85 |
514 | diamond | 297 | xor si, si |
160 | diamond | 298 | int 0x1A |
299 | jc .nopci |
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300 | .found: |
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301 | ; get memory base |
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302 | mov ax, 0xB10A |
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303 | mov di, 0x20 ; memory base is config register at 0x20 |
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304 | int 0x1A |
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305 | jc .nopci |
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306 | and cx, 0xFFF0 ; clear address decode type |
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307 | mov [es:0x9031], cx |
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308 | .nopci: |
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164 | serge | 309 | ; \end{Mario79} |
160 | diamond | 310 | |
1508 | art_zh | 311 | ; mov al, 0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
312 | ; out 0x60, al |
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313 | ; xor cx, cx |
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314 | ;wait_loop: ; variant 2 |
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1 | ha | 315 | ; reading state of port of 8042 controller |
1508 | art_zh | 316 | ; in al, 64h |
317 | ; and al, 00000010b ; ready flag |
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164 | serge | 318 | ; wait until 8042 controller is ready |
1508 | art_zh | 319 | ; loopnz wait_loop |
1 | ha | 320 | |
1508 | art_zh | 321 | ;;;/diamond 5.02.2008 |
713 | Lrz | 322 | ; set keyboard typematic rate & delay |
1508 | art_zh | 323 | ; mov al, 0xf3 |
324 | ; out 0x60, al |
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325 | ; xor cx, cx |
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326 | ;@@: |
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327 | ; in al, 64h |
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328 | ; test al, 2 |
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329 | ; loopnz @b |
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330 | ; mov al, 0 |
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331 | ; out 0x60, al |
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332 | ; xor cx, cx |
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333 | ;@@: |
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334 | ; in al, 64h |
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335 | ; test al, 2 |
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336 | ; loopnz @b |
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713 | Lrz | 337 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
76 | mario79 | 338 | ; --------------- APM --------------------- |
514 | diamond | 339 | and word [es:0x9044], 0 ; ver = 0.0 (APM not found) |
340 | mov ax, 0x5300 |
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341 | xor bx, bx |
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342 | int 0x15 |
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343 | jc apm_end ; APM not found |
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344 | test cx, 2 |
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345 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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346 | mov [es:0x9044], ax ; Save APM Version |
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347 | mov [es:0x9046], cx ; Save APM flags |
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164 | serge | 348 | |
514 | diamond | 349 | ; Write APM ver ---- |
350 | and ax, 0xf0f |
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351 | add ax, '00' |
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352 | mov si, msg_apm |
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353 | mov [si + 5], ah |
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354 | mov [si + 7], al |
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355 | _setcursor 0, 3 |
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356 | call printplain |
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357 | ; ------------------ |
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164 | serge | 358 | |
514 | diamond | 359 | mov ax, 0x5304 ; Disconnect interface |
360 | xor bx, bx |
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361 | int 0x15 |
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362 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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363 | xor bx, bx |
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364 | int 0x15 |
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465 | serge | 365 | |
514 | diamond | 366 | mov [es:0x9040], ebx |
367 | mov [es:0x9050], ax |
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368 | mov [es:0x9052], cx |
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369 | mov [es:0x9054], dx |
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465 | serge | 370 | |
76 | mario79 | 371 | apm_end: |
437 | diamond | 372 | _setcursor d80x25_top_num, 0 |
76 | mario79 | 373 | |
713 | Lrz | 374 | ;CHECK current of code |
375 | cmp [cfgmanager.loader_block], -1 |
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376 | jz noloaderblock |
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377 | les bx, [cfgmanager.loader_block] |
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378 | cmp byte [es:bx], 1 |
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379 | mov si, loader_block_error |
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380 | jnz sayerr |
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737 | diamond | 381 | push 0 |
382 | pop es |
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713 | Lrz | 383 | |
384 | noloaderblock: |
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1 | ha | 385 | ; DISPLAY VESA INFORMATION |
713 | Lrz | 386 | call print_vesa_info |
387 | call calc_vmodes_table |
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388 | call check_first_parm ;check and enable cursor_pos |
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1 | ha | 389 | |
29 | halyavin | 390 | ; \begin{diamond}[30.11.2005] |
391 | cfgmanager: |
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392 | ; settings: |
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393 | ; a) preboot_graph = graphical mode |
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394 | ; preboot_gprobe = probe this mode? |
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713 | Lrz | 395 | ; b) preboot_dma = use DMA access? |
29 | halyavin | 396 | ; c) preboot_vrrm = use VRR? |
397 | ; d) preboot_device = from what boot? |
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713 | Lrz | 398 | |
29 | halyavin | 399 | ; determine default settings |
514 | diamond | 400 | mov [.bSettingsChanged], 0 |
713 | Lrz | 401 | |
402 | ;.preboot_gr_end: |
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726 | diamond | 403 | mov di, preboot_device |
404 | ; if image in memory is present and [preboot_device] is uninitialized, |
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405 | ; set it to use this preloaded image |
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406 | cmp byte [di], 0 |
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407 | jnz .preboot_device_inited |
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408 | cmp [.loader_block], -1 |
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409 | jz @f |
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410 | les bx, [.loader_block] |
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411 | test byte [es:bx+1], 1 |
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412 | jz @f |
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413 | mov byte [di], 3 |
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414 | jmp .preboot_device_inited |
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415 | @@: |
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416 | ; otherwise, set [preboot_device] to 1 (default value - boot from floppy) |
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417 | mov byte [di], 1 |
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418 | .preboot_device_inited: |
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1018 | diamond | 419 | ; following 4 lines set variables to 1 if its current value is 0 |
726 | diamond | 420 | cmp byte [di+preboot_dma-preboot_device], 1 |
421 | adc byte [di+preboot_dma-preboot_device], 0 |
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422 | cmp byte [di+preboot_biosdisk-preboot_device], 1 |
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423 | adc byte [di+preboot_biosdisk-preboot_device], 0 |
||
1018 | diamond | 424 | ; default value for VRR is OFF |
425 | cmp byte [di+preboot_vrrm-preboot_device], 0 |
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426 | jnz @f |
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427 | mov byte [di+preboot_vrrm-preboot_device], 2 |
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428 | @@: |
||
29 | halyavin | 429 | ; notify user |
713 | Lrz | 430 | _setcursor 5,2 |
431 | |||
514 | diamond | 432 | mov si, linef |
713 | Lrz | 433 | call printplain |
514 | diamond | 434 | mov si, start_msg |
435 | call print |
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436 | mov si, time_msg |
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437 | call print |
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29 | halyavin | 438 | ; get start time |
514 | diamond | 439 | call .gettime |
440 | mov [.starttime], eax |
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441 | mov word [.timer], .newtimer |
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442 | mov word [.timer+2], cs |
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29 | halyavin | 443 | .printcfg: |
946 | lrz | 444 | |
514 | diamond | 445 | _setcursor 9,0 |
446 | mov si, current_cfg_msg |
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447 | call print |
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448 | mov si, curvideo_msg |
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449 | call print |
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713 | Lrz | 450 | |
451 | call draw_current_vmode |
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452 | |||
709 | diamond | 453 | mov si, usebd_msg |
454 | cmp [preboot_biosdisk], 1 |
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455 | call .say_on_off |
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514 | diamond | 456 | mov si, vrrm_msg |
457 | cmp [preboot_vrrm], 1 |
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458 | call .say_on_off |
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459 | mov si, preboot_device_msg |
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460 | call print |
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461 | mov al, [preboot_device] |
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545 | spraid | 462 | and eax, 7 |
514 | diamond | 463 | mov si, [preboot_device_msgs+eax*2] |
464 | call printplain |
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726 | diamond | 465 | .show_remarks: |
466 | ; show remarks in gray color |
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467 | mov di, ((21-num_remarks)*80 + 2)*2 |
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468 | push 0xB800 |
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469 | pop es |
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470 | mov cx, num_remarks |
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471 | mov si, remarks |
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472 | .write_remarks: |
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473 | lodsw |
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474 | push si |
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475 | xchg ax, si |
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476 | mov ah, 1*16+7 ; background: blue (1), foreground: gray (7) |
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477 | push di |
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478 | .write_remark: |
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479 | lodsb |
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480 | test al, al |
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481 | jz @f |
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482 | stosw |
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483 | jmp .write_remark |
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484 | @@: |
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485 | pop di |
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486 | pop si |
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487 | add di, 80*2 |
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488 | loop .write_remarks |
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29 | halyavin | 489 | .wait: |
514 | diamond | 490 | _setcursor 25,0 ; out of screen |
34 | halyavin | 491 | ; set timer interrupt handler |
514 | diamond | 492 | cli |
493 | push 0 |
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494 | pop es |
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713 | Lrz | 495 | push dword [es:8*4] |
496 | pop dword [.oldtimer] |
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497 | push dword [.timer] |
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498 | pop dword [es:8*4] |
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499 | ; mov eax, [es:8*4] |
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500 | ; mov [.oldtimer], eax |
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501 | ; mov eax, [.timer] |
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502 | ; mov [es:8*4], eax |
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514 | diamond | 503 | sti |
29 | halyavin | 504 | ; wait for keypressed |
713 | Lrz | 505 | xor ax,ax |
514 | diamond | 506 | int 16h |
507 | push ax |
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29 | halyavin | 508 | ; restore timer interrupt |
713 | Lrz | 509 | ; push 0 |
510 | ; pop es |
||
514 | diamond | 511 | mov eax, [.oldtimer] |
512 | mov [es:8*4], eax |
||
513 | mov [.timer], eax |
||
946 | lrz | 514 | |
514 | diamond | 515 | _setcursor 7,0 |
516 | mov si, space_msg |
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517 | call printplain |
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726 | diamond | 518 | ; clear remarks and restore normal attributes |
519 | push es |
||
520 | mov di, ((21-num_remarks)*80 + 2)*2 |
||
521 | push 0xB800 |
||
522 | pop es |
||
523 | mov cx, num_remarks |
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524 | mov ax, ' ' + (1*16 + 15)*100h |
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525 | @@: |
||
526 | push cx |
||
527 | mov cx, 76 |
||
528 | rep stosw |
||
529 | pop cx |
||
530 | add di, 4*2 |
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531 | loop @b |
||
532 | pop es |
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514 | diamond | 533 | pop ax |
29 | halyavin | 534 | ; switch on key |
514 | diamond | 535 | cmp al, 13 |
536 | jz .continue |
||
537 | or al, 20h |
||
538 | cmp al, 'a' |
||
539 | jz .change_a |
||
540 | cmp al, 'b' |
||
541 | jz .change_b |
||
542 | cmp al, 'c' |
||
543 | jz .change_c |
||
544 | cmp al, 'd' |
||
726 | diamond | 545 | jnz .show_remarks |
514 | diamond | 546 | _setcursor 15,0 |
547 | mov si, bdev |
||
548 | call print |
||
545 | spraid | 549 | mov bx, '14' |
514 | diamond | 550 | call getkey |
551 | mov [preboot_device], al |
||
552 | _setcursor 13,0 |
||
29 | halyavin | 553 | .d: |
514 | diamond | 554 | mov [.bSettingsChanged], 1 |
713 | Lrz | 555 | call clear_vmodes_table ;clear vmodes_table |
514 | diamond | 556 | jmp .printcfg |
29 | halyavin | 557 | .change_a: |
713 | Lrz | 558 | .loops: |
559 | call draw_vmodes_table |
||
816 | Lrz | 560 | _setcursor 25,0 ; out of screen |
713 | Lrz | 561 | xor ax,ax |
562 | int 0x16 |
||
563 | ; call clear_table_cursor ;clear current position of cursor |
||
564 | |||
565 | mov si,word [cursor_pos] |
||
566 | |||
567 | cmp ah,0x48;x,0x48E0 ; up |
||
568 | jne .down |
||
569 | cmp si,modes_table |
||
570 | jbe .loops |
||
571 | sub word [cursor_pos],size_of_step |
||
572 | jmp .loops |
||
573 | |||
574 | .down: cmp ah,0x50;x,0x50E0 ; down |
||
730 | diamond | 575 | jne .pgup |
713 | Lrz | 576 | cmp word[es:si+10],-1 |
577 | je .loops |
||
578 | add word [cursor_pos],size_of_step |
||
579 | jmp .loops |
||
580 | |||
730 | diamond | 581 | .pgup: cmp ah,0x49 ; page up |
582 | jne .pgdn |
||
731 | diamond | 583 | sub si, size_of_step*long_v_table |
730 | diamond | 584 | cmp si, modes_table |
585 | jae @f |
||
586 | mov si, modes_table |
||
587 | @@: |
||
588 | mov word [cursor_pos], si |
||
589 | mov si, word [home_cursor] |
||
731 | diamond | 590 | sub si, size_of_step*long_v_table |
730 | diamond | 591 | cmp si, modes_table |
592 | jae @f |
||
593 | mov si, modes_table |
||
594 | @@: |
||
595 | mov word [home_cursor], si |
||
596 | jmp .loops |
||
597 | |||
598 | .pgdn: cmp ah,0x51 ; page down |
||
599 | jne .enter |
||
600 | mov ax, [end_cursor] |
||
731 | diamond | 601 | add si, size_of_step*long_v_table |
730 | diamond | 602 | cmp si, ax |
603 | jb @f |
||
604 | mov si, ax |
||
605 | sub si, size_of_step |
||
606 | @@: |
||
607 | mov word [cursor_pos], si |
||
608 | mov si, word [home_cursor] |
||
731 | diamond | 609 | sub ax, size_of_step*long_v_table |
610 | add si, size_of_step*long_v_table |
||
730 | diamond | 611 | cmp si, ax |
612 | jb @f |
||
613 | mov si, ax |
||
614 | @@: |
||
615 | mov word [home_cursor], si |
||
616 | jmp .loops |
||
617 | |||
713 | Lrz | 618 | .enter: cmp al,0x0D;x,0x1C0D ; enter |
619 | jne .loops |
||
620 | push word [cursor_pos] |
||
746 | Lrz | 621 | pop bp |
622 | push word [es:bp] |
||
623 | pop word [x_save] |
||
624 | push word [es:bp+2] |
||
625 | pop word [y_save] |
||
816 | Lrz | 626 | push word [es:bp+6] |
749 | Lrz | 627 | pop word [number_vm] |
746 | Lrz | 628 | mov word [preboot_graph],bp ;save choose |
629 | |||
514 | diamond | 630 | jmp .d |
713 | Lrz | 631 | |
29 | halyavin | 632 | .change_b: |
514 | diamond | 633 | _setcursor 15,0 |
709 | diamond | 634 | ; mov si, ask_dma |
635 | ; call print |
||
636 | ; mov bx, '13' |
||
637 | ; call getkey |
||
638 | ; mov [preboot_dma], al |
||
639 | mov si, ask_bd |
||
514 | diamond | 640 | call print |
709 | diamond | 641 | mov bx, '12' |
514 | diamond | 642 | call getkey |
709 | diamond | 643 | mov [preboot_biosdisk], al |
514 | diamond | 644 | _setcursor 11,0 |
645 | jmp .d |
||
29 | halyavin | 646 | .change_c: |
514 | diamond | 647 | _setcursor 15,0 |
648 | mov si, vrrmprint |
||
649 | call print |
||
650 | mov bx, '12' |
||
651 | call getkey |
||
652 | mov [preboot_vrrm], al |
||
653 | _setcursor 12,0 |
||
654 | jmp .d |
||
713 | Lrz | 655 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
40 | halyavin | 656 | .say_on_off: |
514 | diamond | 657 | pushf |
658 | call print |
||
659 | mov si, on_msg |
||
660 | popf |
||
661 | jz @f |
||
662 | mov si, off_msg |
||
663 | @@: jmp printplain |
||
40 | halyavin | 664 | ; novesa and vervesa strings are not used at the moment of executing this code |
665 | virtual at novesa |
||
29 | halyavin | 666 | .oldtimer dd ? |
667 | .starttime dd ? |
||
668 | .bSettingsChanged db ? |
||
34 | halyavin | 669 | .timer dd ? |
40 | halyavin | 670 | end virtual |
143 | diamond | 671 | .loader_block dd -1 |
29 | halyavin | 672 | .gettime: |
514 | diamond | 673 | mov ah, 0 |
674 | int 1Ah |
||
675 | xchg ax, cx |
||
676 | shl eax, 10h |
||
677 | xchg ax, dx |
||
678 | ret |
||
29 | halyavin | 679 | .newtimer: |
514 | diamond | 680 | push ds |
681 | push cs |
||
682 | pop ds |
||
683 | pushf |
||
684 | call [.oldtimer] |
||
685 | pushad |
||
686 | call .gettime |
||
687 | sub eax, [.starttime] |
||
688 | sub ax, 18*5 |
||
689 | jae .timergo |
||
690 | neg ax |
||
691 | add ax, 18-1 |
||
692 | mov bx, 18 |
||
693 | xor dx, dx |
||
694 | div bx |
||
29 | halyavin | 695 | if lang eq ru |
696 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
||
514 | diamond | 697 | cmp al, 5 |
698 | mov cl, ' ' |
||
699 | jae @f |
||
700 | cmp al, 1 |
||
701 | mov cl, 'ã' |
||
702 | jz @f |
||
703 | mov cl, 'ë' |
||
704 | @@: mov [time_str+9], cl |
||
274 | kaitz | 705 | else if lang eq et |
514 | diamond | 706 | cmp al, 1 |
707 | ja @f |
||
708 | mov [time_str+9], ' ' |
||
709 | mov [time_str+10],' ' |
||
381 | serge | 710 | @@: |
29 | halyavin | 711 | else |
712 | ; wait 5/4/3/2 seconds, 1 second |
||
514 | diamond | 713 | cmp al, 1 |
714 | mov cl, 's' |
||
715 | ja @f |
||
716 | mov cl, ' ' |
||
717 | @@: mov [time_str+9], cl |
||
29 | halyavin | 718 | end if |
514 | diamond | 719 | add al, '0' |
720 | mov [time_str+1], al |
||
721 | mov si, time_msg |
||
722 | _setcursor 7,0 |
||
723 | call print |
||
724 | _setcursor 25,0 |
||
725 | popad |
||
726 | pop ds |
||
727 | iret |
||
29 | halyavin | 728 | .timergo: |
514 | diamond | 729 | push 0 |
730 | pop es |
||
731 | mov eax, [.oldtimer] |
||
732 | mov [es:8*4], eax |
||
733 | mov sp, 0EC00h |
||
29 | halyavin | 734 | .continue: |
514 | diamond | 735 | sti |
736 | _setcursor 6,0 |
||
737 | mov si, space_msg |
||
738 | call printplain |
||
739 | call printplain |
||
740 | _setcursor 6,0 |
||
741 | mov si, loading_msg |
||
742 | call print |
||
743 | _setcursor 15,0 |
||
744 | cmp [.bSettingsChanged], 0 |
||
745 | jz .load |
||
746 | cmp [.loader_block], -1 |
||
747 | jz .load |
||
748 | les bx, [.loader_block] |
||
749 | mov eax, [es:bx+3] |
||
750 | push ds |
||
751 | pop es |
||
752 | test eax, eax |
||
753 | jz .load |
||
754 | push eax |
||
755 | mov si, save_quest |
||
756 | call print |
||
29 | halyavin | 757 | .waityn: |
514 | diamond | 758 | mov ah, 0 |
759 | int 16h |
||
760 | or al, 20h |
||
761 | cmp al, 'n' |
||
762 | jz .loadc |
||
763 | cmp al, 'y' |
||
764 | jnz .waityn |
||
765 | call putchar |
||
766 | mov byte [space_msg+80], 186 |
||
946 | lrz | 767 | |
514 | diamond | 768 | pop eax |
769 | push cs |
||
770 | push .cont |
||
771 | push eax |
||
946 | lrz | 772 | retf ;call back |
29 | halyavin | 773 | .loadc: |
514 | diamond | 774 | pop eax |
29 | halyavin | 775 | .cont: |
514 | diamond | 776 | push cs |
777 | pop ds |
||
778 | mov si, space_msg |
||
779 | mov byte [si+80], 0 |
||
780 | _setcursor 15,0 |
||
781 | call printplain |
||
782 | _setcursor 15,0 |
||
29 | halyavin | 783 | .load: |
784 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 785 | |
786 | ; ASK GRAPHICS MODE |
||
787 | |||
713 | Lrz | 788 | call set_vmode |
1 | ha | 789 | |
790 | ; GRAPHICS ACCELERATION |
||
346 | diamond | 791 | ; force yes |
792 | mov [es:0x901C], byte 1 |
||
1 | ha | 793 | |
514 | diamond | 794 | ; DMA ACCESS TO HD |
1 | ha | 795 | |
514 | diamond | 796 | mov al, [preboot_dma] |
797 | mov [es:0x901F], al |
||
346 | diamond | 798 | |
1 | ha | 799 | ; VRR_M USE |
800 | |||
465 | serge | 801 | mov al,[preboot_vrrm] |
514 | diamond | 802 | mov [es:0x9030], al |
803 | mov [es:0x901E], byte 1 |
||
1 | ha | 804 | |
805 | ; BOOT DEVICE |
||
806 | |||
514 | diamond | 807 | mov al, [preboot_device] |
40 | halyavin | 808 | dec al |
514 | diamond | 809 | mov [boot_dev], al |
1 | ha | 810 | |
1103 | diamond | 811 | ; GET MEMORY MAP |
812 | include 'detect/biosmem.inc' |
||
813 | |||
1 | ha | 814 | ; READ DISKETTE TO MEMORY |
815 | |||
1103 | diamond | 816 | cmp [boot_dev],0 |
1 | ha | 817 | jne no_sys_on_floppy |
465 | serge | 818 | mov si,diskload |
1 | ha | 819 | call print |
514 | diamond | 820 | xor ax, ax ; reset drive |
821 | xor dx, dx |
||
1 | ha | 822 | int 0x13 |
709 | diamond | 823 | ; do we boot from CD-ROM? |
824 | mov ah, 41h |
||
825 | mov bx, 55AAh |
||
826 | xor dx, dx |
||
827 | int 0x13 |
||
828 | jc .nocd |
||
829 | cmp bx, 0AA55h |
||
830 | jnz .nocd |
||
831 | mov ah, 48h |
||
832 | push ds |
||
833 | push es |
||
834 | pop ds |
||
835 | mov si, 0xa000 |
||
836 | mov word [si], 30 |
||
837 | int 0x13 |
||
838 | pop ds |
||
839 | jc .nocd |
||
840 | push ds |
||
841 | lds si, [es:si+26] |
||
842 | test byte [ds:si+10], 40h |
||
843 | pop ds |
||
844 | jz .nocd |
||
845 | ; yes - read all floppy by 18 sectors |
||
795 | shurf | 846 | |
847 | ; TODO: !!!! read only first sector and set variables !!!!! |
||
848 | ; ... |
||
849 | ; TODO: !!! then read flippy image track by track |
||
850 | |||
816 | Lrz | 851 | mov cx, 0x0001 ; startcyl,startsector |
709 | diamond | 852 | .a1: |
853 | push cx dx |
||
854 | mov al, 18 |
||
855 | mov bx, 0xa000 |
||
856 | call boot_read_floppy |
||
857 | mov si, movedesc |
||
858 | push es |
||
859 | push ds |
||
860 | pop es |
||
861 | mov cx, 256*18 |
||
862 | mov ah, 0x87 |
||
863 | int 0x15 |
||
864 | pop es |
||
865 | pop dx cx |
||
866 | test ah, ah |
||
867 | jnz sayerr_floppy |
||
868 | add dword [si+8*3+2], 512*18 |
||
869 | inc dh |
||
870 | cmp dh, 2 |
||
871 | jnz .a1 |
||
872 | mov dh, 0 |
||
873 | inc ch |
||
874 | cmp ch, 80 |
||
875 | jae ok_sys_on_floppy |
||
876 | pusha |
||
877 | mov al, ch |
||
878 | shr ch, 2 |
||
879 | add al, ch |
||
880 | aam |
||
881 | xchg al, ah |
||
882 | add ax, '00' |
||
883 | mov si, pros |
||
884 | mov [si], ax |
||
885 | call printplain |
||
886 | popa |
||
887 | jmp .a1 |
||
888 | .nocd: |
||
889 | ; no - read only used sectors from floppy |
||
134 | diamond | 890 | ; now load floppy image to memory |
891 | ; at first load boot sector and first FAT table |
||
795 | shurf | 892 | |
893 | ; read only first sector and fill variables |
||
816 | Lrz | 894 | mov cx, 0x0001 ; first logical sector |
895 | xor dx, dx ; head = 0, drive = 0 (a:) |
||
896 | mov al, 1 ; read one sector |
||
897 | mov bx, 0xB000 ; es:bx -> data area |
||
898 | call boot_read_floppy |
||
795 | shurf | 899 | ; fill the necessary parameters to work with a floppy |
816 | Lrz | 900 | mov ax, word [es:bx+24] |
901 | mov word [BPB_SecPerTrk], ax |
||
902 | mov ax, word [es:bx+26] |
||
903 | mov word [BPB_NumHeads], ax |
||
904 | mov ax, word [es:bx+17] |
||
905 | mov word [BPB_RootEntCnt], ax |
||
906 | mov ax, word [es:bx+14] |
||
907 | mov word [BPB_RsvdSecCnt], ax |
||
908 | mov ax, word [es:bx+19] |
||
909 | mov word [BPB_TotSec16], ax |
||
910 | mov al, byte [es:bx+13] |
||
911 | mov byte [BPB_SecPerClus], al |
||
912 | mov al, byte [es:bx+16] |
||
913 | mov byte [BPB_NumFATs], al |
||
925 | Lrz | 914 | ; |
915 | mov ax, word [es:bx+22] |
||
916 | mov word [BPB_FATSz16], ax |
||
917 | mov cx, word [es:bx+11] |
||
918 | mov word [BPB_BytsPerSec], cx |
||
919 | |||
795 | shurf | 920 | ; count of clusters in FAT12 ((size_of_FAT*2)/3) |
925 | Lrz | 921 | ; mov ax, word [BPB_FATSz16] |
922 | ; mov cx, word [BPB_BytsPerSec] |
||
923 | ;end |
||
816 | Lrz | 924 | xor dx, dx |
925 | mul cx |
||
926 | shl ax, 1 |
||
927 | mov cx, 3 |
||
928 | div cx ; now ax - number of clusters in FAT12 |
||
929 | mov word [end_of_FAT], ax |
||
795 | shurf | 930 | |
931 | ; load first FAT table |
||
816 | Lrz | 932 | mov cx, 0x0002 ; startcyl,startsector ; TODO!!!!! |
134 | diamond | 933 | xor dx, dx ; starthead,drive |
795 | shurf | 934 | mov al, byte [BPB_FATSz16] ; no of sectors to read |
935 | add bx, word [BPB_BytsPerSec] ; es:bx -> data area |
||
134 | diamond | 936 | call boot_read_floppy |
816 | Lrz | 937 | mov bx, 0xB000 |
795 | shurf | 938 | |
134 | diamond | 939 | ; and copy them to extended memory |
465 | serge | 940 | mov si, movedesc |
816 | Lrz | 941 | mov [si+8*2+3], bh ; from |
942 | |||
943 | mov ax, word [BPB_BytsPerSec] |
||
944 | shr ax, 1 ; words per sector |
||
945 | mov cx, word [BPB_RsvdSecCnt] |
||
946 | add cx, word [BPB_FATSz16] |
||
947 | mul cx |
||
948 | push ax ; save to stack count of words in boot+FAT |
||
949 | xchg ax, cx |
||
950 | |||
134 | diamond | 951 | push es |
952 | push ds |
||
953 | pop es |
||
954 | mov ah, 0x87 |
||
955 | int 0x15 |
||
816 | Lrz | 956 | pop es |
76 | mario79 | 957 | test ah, ah |
134 | diamond | 958 | jz @f |
959 | sayerr_floppy: |
||
960 | mov dx, 0x3f2 |
||
961 | mov al, 0 |
||
962 | out dx, al |
||
465 | serge | 963 | mov si, memmovefailed |
134 | diamond | 964 | jmp sayerr_plain |
965 | @@: |
||
816 | Lrz | 966 | pop ax ; restore from stack count of words in boot+FAT |
967 | shl ax, 1 ; make bytes count from count of words |
||
968 | and eax, 0ffffh |
||
795 | shurf | 969 | add dword [si+8*3+2], eax |
970 | |||
971 | ; copy first FAT to second copy |
||
972 | ; TODO: BPB_NumFATs !!!!! |
||
816 | Lrz | 973 | add bx, word [BPB_BytsPerSec] ; !!! TODO: may be need multiply by BPB_RsvdSecCnt !!! |
974 | mov byte [si+8*2+3], bh ; bx - begin of FAT |
||
975 | |||
976 | mov ax, word [BPB_BytsPerSec] |
||
977 | shr ax, 1 ; words per sector |
||
978 | mov cx, word [BPB_FATSz16] |
||
979 | mul cx |
||
980 | mov cx, ax ; cx - count of words in FAT |
||
795 | shurf | 981 | |
982 | push es |
||
983 | push ds |
||
984 | pop es |
||
134 | diamond | 985 | mov ah, 0x87 |
986 | int 0x15 |
||
987 | pop es |
||
988 | test ah, ah |
||
989 | jnz sayerr_floppy |
||
816 | Lrz | 990 | |
991 | mov ax, cx |
||
992 | shl ax, 1 |
||
993 | and eax, 0ffffh ; ax - count of bytes in FAT |
||
795 | shurf | 994 | add dword [si+8*3+2], eax |
816 | Lrz | 995 | |
795 | shurf | 996 | ; reading RootDir |
997 | ; TODO: BPB_NumFATs |
||
816 | Lrz | 998 | add bx, ax |
999 | add bx, 100h |
||
1000 | and bx, 0ff00h ; bx - place in buffer to write RootDir |
||
1001 | push bx |
||
795 | shurf | 1002 | |
816 | Lrz | 1003 | mov bx, word [BPB_BytsPerSec] |
1004 | shr bx, 5 ; divide bx by 32 |
||
1005 | mov ax, word [BPB_RootEntCnt] |
||
1006 | xor dx, dx |
||
1007 | div bx |
||
1008 | push ax ; ax - count of RootDir sectors |
||
795 | shurf | 1009 | |
816 | Lrz | 1010 | mov ax, word [BPB_FATSz16] |
1011 | xor cx, cx |
||
1012 | mov cl, byte [BPB_NumFATs] |
||
1013 | mul cx |
||
1014 | add ax, word [BPB_RsvdSecCnt] ; ax - first sector of RootDir |
||
795 | shurf | 1015 | |
816 | Lrz | 1016 | mov word [FirstDataSector], ax |
1017 | pop bx |
||
1018 | push bx |
||
1019 | add word [FirstDataSector], bx ; Begin of data region of floppy |
||
1020 | |||
795 | shurf | 1021 | ; read RootDir |
816 | Lrz | 1022 | call conv_abs_to_THS |
1023 | pop ax |
||
1024 | pop bx ; place in buffer to write |
||
1025 | push ax |
||
1026 | call boot_read_floppy ; read RootDir into buffer |
||
795 | shurf | 1027 | ; copy RootDir |
816 | Lrz | 1028 | mov byte [si+8*2+3], bh ; from buffer |
1029 | pop ax ; ax = count of RootDir sectors |
||
1030 | mov cx, word [BPB_BytsPerSec] |
||
1031 | mul cx |
||
1032 | shr ax, 1 |
||
1033 | mov cx, ax ; count of words to copy |
||
1034 | push es |
||
1035 | push ds |
||
1036 | pop es |
||
795 | shurf | 1037 | mov ah, 0x87 |
1038 | int 0x15 |
||
816 | Lrz | 1039 | pop es |
795 | shurf | 1040 | |
816 | Lrz | 1041 | mov ax, cx |
1042 | shl ax, 1 |
||
1043 | and eax, 0ffffh ; ax - count of bytes in RootDir |
||
1044 | add dword [si+8*3+2], eax ; add count of bytes copied |
||
795 | shurf | 1045 | |
1046 | ; Reading data clusters from floppy |
||
816 | Lrz | 1047 | mov byte [si+8*2+3], bh |
1048 | push bx |
||
795 | shurf | 1049 | |
816 | Lrz | 1050 | mov di, 2 ; First data cluster |
134 | diamond | 1051 | .read_loop: |
816 | Lrz | 1052 | mov bx, di |
1053 | shr bx, 1 ; bx+di = di*1.5 |
||
1054 | jnc .even |
||
1055 | test word [es:bx+di+0xB200], 0xFFF0 ; TODO: may not be 0xB200 !!! |
||
1056 | jmp @f |
||
134 | diamond | 1057 | .even: |
816 | Lrz | 1058 | test word [es:bx+di+0xB200], 0xFFF ; TODO: may not be 0xB200 !!! |
795 | shurf | 1059 | |
134 | diamond | 1060 | @@: |
816 | Lrz | 1061 | jz .skip |
795 | shurf | 1062 | ; read cluster di |
1063 | ;.read: |
||
816 | Lrz | 1064 | ;conv cluster di to abs. sector ax |
1065 | ; ax = (N-2) * BPB_SecPerClus + FirstDataSector |
||
1066 | mov ax, di |
||
1067 | sub ax, 2 |
||
1068 | xor bx, bx |
||
1069 | mov bl, byte [BPB_SecPerClus] |
||
1070 | mul bx |
||
1071 | add ax, word [FirstDataSector] |
||
1072 | call conv_abs_to_THS |
||
1073 | pop bx |
||
1074 | push bx |
||
1075 | mov al, byte [BPB_SecPerClus] ; number of sectors in cluster |
||
1076 | call boot_read_floppy |
||
76 | mario79 | 1077 | push es |
1078 | push ds |
||
1 | ha | 1079 | pop es |
134 | diamond | 1080 | pusha |
795 | shurf | 1081 | ; |
816 | Lrz | 1082 | mov ax, word [BPB_BytsPerSec] |
1083 | xor cx, cx |
||
1084 | mov cl, byte [BPB_SecPerClus] |
||
1085 | mul cx |
||
1086 | shr ax, 1 ; ax = (BPB_BytsPerSec * BPB_SecPerClus)/2 |
||
1087 | mov cx, ax ; number of words to copy (count words in cluster) |
||
795 | shurf | 1088 | ; |
816 | Lrz | 1089 | mov ah, 0x87 |
1090 | int 0x15 ; copy data |
||
134 | diamond | 1091 | test ah, ah |
1 | ha | 1092 | popa |
134 | diamond | 1093 | pop es |
1094 | jnz sayerr_floppy |
||
795 | shurf | 1095 | ; skip cluster di |
134 | diamond | 1096 | .skip: |
816 | Lrz | 1097 | mov ax, word [BPB_BytsPerSec] |
1098 | xor cx, cx |
||
1099 | mov cl, byte [BPB_SecPerClus] |
||
1100 | mul cx |
||
1101 | and eax, 0ffffh ; ax - count of bytes in cluster |
||
1102 | add dword [si+8*3+2], eax |
||
795 | shurf | 1103 | |
816 | Lrz | 1104 | mov ax, word [end_of_FAT] ; max cluster number |
134 | diamond | 1105 | pusha |
1106 | ; draw percentage |
||
795 | shurf | 1107 | ; total clusters: ax |
1108 | ; read clusters: di |
||
816 | Lrz | 1109 | xchg ax, di |
134 | diamond | 1110 | mov cx, 100 |
1111 | mul cx |
||
816 | Lrz | 1112 | div di |
134 | diamond | 1113 | aam |
1114 | xchg al, ah |
||
1115 | add ax, '00' |
||
465 | serge | 1116 | mov si, pros |
134 | diamond | 1117 | cmp [si], ax |
1118 | jz @f |
||
1119 | mov [si], ax |
||
1 | ha | 1120 | call printplain |
134 | diamond | 1121 | @@: |
1 | ha | 1122 | popa |
134 | diamond | 1123 | inc di |
816 | Lrz | 1124 | cmp di, word [end_of_FAT] ; max number of cluster |
134 | diamond | 1125 | jnz .read_loop |
816 | Lrz | 1126 | pop bx ; clear stack |
134 | diamond | 1127 | |
709 | diamond | 1128 | ok_sys_on_floppy: |
514 | diamond | 1129 | mov si, backspace2 |
1 | ha | 1130 | call printplain |
514 | diamond | 1131 | mov si, okt |
1 | ha | 1132 | call printplain |
514 | diamond | 1133 | no_sys_on_floppy: |
1134 | xor ax, ax ; reset drive |
||
1135 | xor dx, dx |
||
1 | ha | 1136 | int 0x13 |
514 | diamond | 1137 | mov dx, 0x3f2 ; floppy motor off |
1138 | mov al, 0 |
||
1139 | out dx, al |
||
1 | ha | 1140 | |
1141 | |||
1142 | ; SET GRAPHICS |
||
1143 | |||
514 | diamond | 1144 | xor ax, ax |
1145 | mov es, ax |
||
164 | serge | 1146 | |
514 | diamond | 1147 | mov ax, [es:0x9008] ; vga & 320x200 |
1148 | mov bx, ax |
||
1149 | cmp ax, 0x13 |
||
1 | ha | 1150 | je setgr |
514 | diamond | 1151 | cmp ax, 0x12 |
1 | ha | 1152 | je setgr |
514 | diamond | 1153 | mov ax, 0x4f02 ; Vesa |
412 | serge | 1154 | setgr: |
1 | ha | 1155 | int 0x10 |
514 | diamond | 1156 | test ah, ah |
1157 | mov si, fatalsel |
||
713 | Lrz | 1158 | jnz v_mode_error |
1 | ha | 1159 | ; set mode 0x12 graphics registers: |
514 | diamond | 1160 | cmp bx, 0x12 |
1 | ha | 1161 | jne gmok2 |
1162 | |||
514 | diamond | 1163 | mov al, 0x05 |
1164 | mov dx, 0x03ce |
||
40 | halyavin | 1165 | push dx |
514 | diamond | 1166 | out dx, al ; select GDC mode register |
1167 | mov al, 0x02 |
||
1168 | inc dx |
||
1169 | out dx, al ; set write mode 2 |
||
1 | ha | 1170 | |
514 | diamond | 1171 | mov al, 0x02 |
1172 | mov dx, 0x03c4 |
||
1173 | out dx, al ; select VGA sequencer map mask register |
||
1174 | mov al, 0x0f |
||
1175 | inc dx |
||
1176 | out dx, al ; set mask for all planes 0-3 |
||
1 | ha | 1177 | |
514 | diamond | 1178 | mov al, 0x08 |
1179 | pop dx |
||
1180 | out dx, al ; select GDC bit mask register |
||
1 | ha | 1181 | ; for writes to 0x03cf |
412 | serge | 1182 | gmok2: |
76 | mario79 | 1183 | push ds |
514 | diamond | 1184 | pop es |