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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 488 $ |
431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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5 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
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6 | ;; Distributed under terms of the GNU General Public License ;; |
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7 | ;; ;; |
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8 | ;; BOOTCODE.INC ;; |
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9 | ;; ;; |
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10 | ;; KolibriOS 16-bit loader, ;; |
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11 | ;; based on bootcode for MenuetOS ;; |
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12 | ;; ;; |
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13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1 | ha | 14 | |
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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76 | mario79 | 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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76 | mario79 | 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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76 | mario79 | 40 | pusha |
41 | lodsb |
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29 | halyavin | 42 | @@: |
76 | mario79 | 43 | call putchar |
44 | lodsb |
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45 | cmp al, 0 |
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46 | jnz @b |
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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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76 | mario79 | 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 | @@: |
76 | mario79 | 67 | ret |
1 | ha | 68 | |
29 | halyavin | 69 | setcursor: |
70 | ; in: dl=column, dh=row |
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76 | mario79 | 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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76 | mario79 | 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 | |||
1 | ha | 102 | ;========================================================================= |
103 | ; |
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104 | ; 16 BIT CODE |
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105 | ; |
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106 | ;========================================================================= |
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107 | |||
108 | |||
109 | start_of_code: |
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76 | mario79 | 110 | cld |
29 | halyavin | 111 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 112 | cmp ax, 'KL' |
113 | jnz @f |
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465 | serge | 114 | mov word [cs:cfgmanager.loader_block], si |
115 | mov word [cs:cfgmanager.loader_block+2], ds |
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29 | halyavin | 116 | @@: |
117 | ; \end{diamond}[02.12.2005] |
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1 | ha | 118 | |
488 | spraid | 119 | cmp cx,'HA' ; по регистрам определяется загрузка с винта |
120 | jnz no_hd_load |
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121 | cmp dx,'RD' |
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122 | jnz no_hd_load |
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123 | mov word [bx_from_load], bx ; {SPraid}[13.03.2007] |
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124 | jmp load_next |
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125 | no_hd_load: |
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126 | mov word [bx_from_load], 'r1' ; if work with floppy |
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127 | load_next: |
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128 | |||
29 | halyavin | 129 | ; set up stack |
76 | mario79 | 130 | mov ax, 3000h |
131 | mov ss, ax |
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132 | mov sp, 0EC00h |
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29 | halyavin | 133 | ; set up segment registers |
76 | mario79 | 134 | push cs |
135 | pop ds |
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136 | push cs |
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137 | pop es |
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1 | ha | 138 | |
29 | halyavin | 139 | ; set videomode |
76 | mario79 | 140 | mov ax, 3 |
1 | ha | 141 | int 0x10 |
142 | |||
134 | diamond | 143 | if lang eq ru |
1 | ha | 144 | ; Load & set russian VGA font (RU.INC) |
465 | serge | 145 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
1 | ha | 146 | mov bx,1000h ; 768 bytes |
147 | mov cx,30h ; 48 symbols |
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148 | mov dx,80h ; 128 - position of first symbol |
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149 | mov ax,1100h |
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150 | int 10h |
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151 | |||
465 | serge | 152 | mov bp,RU_FNT2 ; RU_FNT2 -Second part |
1 | ha | 153 | mov bx,1000h ; 512 bytes |
154 | mov cx,20h ; 32 symbols |
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155 | mov dx,0E0h ; 224 - position of first symbol |
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156 | mov ax,1100h |
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157 | int 10h |
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158 | ; End set VGA russian font |
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274 | kaitz | 159 | else if lang eq et |
465 | serge | 160 | mov bp,ET_FNT ; ET_FNT1 |
381 | serge | 161 | mov bx,1000h ; |
274 | kaitz | 162 | mov cx,255 ; 256 symbols |
163 | mov dx,0h ; 0 - position of first symbol |
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164 | mov ax,1100h |
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165 | int 10h |
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134 | diamond | 166 | end if |
1 | ha | 167 | |
29 | halyavin | 168 | ; draw frames |
76 | mario79 | 169 | push 0xb800 |
170 | pop es |
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171 | xor di, di |
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172 | mov ah, 1*16+15 |
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465 | serge | 173 | |
29 | halyavin | 174 | ; draw top |
465 | serge | 175 | mov si, d80x25_top |
76 | mario79 | 176 | mov cx, d80x25_top_num * 80 |
29 | halyavin | 177 | @@: |
76 | mario79 | 178 | lodsb |
179 | stosw |
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180 | loop @b |
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29 | halyavin | 181 | ; draw spaces |
465 | serge | 182 | mov si, space_msg |
76 | mario79 | 183 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
29 | halyavin | 184 | dfl1: |
76 | mario79 | 185 | push cx |
186 | push si |
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187 | mov cx, 80 |
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29 | halyavin | 188 | @@: |
76 | mario79 | 189 | lodsb |
190 | stosw |
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191 | loop @b |
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192 | pop si |
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193 | pop cx |
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194 | loop dfl1 |
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29 | halyavin | 195 | ; draw bottom |
465 | serge | 196 | mov si, d80x25_bottom |
76 | mario79 | 197 | mov cx, d80x25_bottom_num * 80 |
29 | halyavin | 198 | @@: |
76 | mario79 | 199 | lodsb |
200 | stosw |
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201 | loop @b |
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1 | ha | 202 | |
465 | serge | 203 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
1 | ha | 204 | |
76 | mario79 | 205 | _setcursor d80x25_top_num,0 |
1 | ha | 206 | |
207 | |||
208 | ; TEST FOR 386+ |
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209 | |||
76 | mario79 | 210 | mov bx, 0x4000 |
1 | ha | 211 | pushf |
212 | pop ax |
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213 | mov dx,ax |
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29 | halyavin | 214 | xor ax,bx |
1 | ha | 215 | push ax |
216 | popf |
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217 | pushf |
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218 | pop ax |
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29 | halyavin | 219 | and ax,bx |
220 | and dx,bx |
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1 | ha | 221 | cmp ax,dx |
222 | jnz cpugood |
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465 | serge | 223 | mov si,not386 |
40 | halyavin | 224 | sayerr: |
1 | ha | 225 | call print |
226 | jmp $ |
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227 | cpugood: |
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228 | |||
465 | serge | 229 | push 0 |
230 | popf |
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231 | sti |
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232 | |||
29 | halyavin | 233 | ; set up esp |
76 | mario79 | 234 | movzx esp, sp |
1 | ha | 235 | |
160 | diamond | 236 | push 0 |
237 | pop es |
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238 | and word [es:0x9031], 0 |
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164 | serge | 239 | ; \begin{Mario79} |
240 | ; find HDD IDE DMA PCI device |
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160 | diamond | 241 | ; check for PCI BIOS |
242 | mov ax, 0xB101 |
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243 | int 0x1A |
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244 | jc .nopci |
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245 | cmp edx, 'PCI ' |
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246 | jnz .nopci |
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247 | ; find PCI class code |
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248 | ; class 1 = mass storage |
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249 | ; subclass 1 = IDE controller |
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250 | ; a) class 1, subclass 1, programming interface 0x80 |
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251 | mov ax, 0xB103 |
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252 | mov ecx, 1*10000h + 1*100h + 0x80 |
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253 | mov si, 0 ; device index = 0 |
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254 | int 0x1A |
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255 | jnc .found |
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187 | diamond | 256 | ; b) class 1, subclass 1, programming interface 0x8A |
160 | diamond | 257 | mov ax, 0xB103 |
187 | diamond | 258 | mov ecx, 1*10000h + 1*100h + 0x8A |
160 | diamond | 259 | mov si, 0 ; device index = 0 |
260 | int 0x1A |
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261 | jnc .found |
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187 | diamond | 262 | ; c) class 1, subclass 1, programming interface 0x85 |
160 | diamond | 263 | mov ax, 0xB103 |
187 | diamond | 264 | mov ecx, 1*10000h + 1*100h + 0x85 |
160 | diamond | 265 | mov si, 0 |
266 | int 0x1A |
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267 | jc .nopci |
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268 | .found: |
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269 | ; get memory base |
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270 | mov ax, 0xB10A |
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271 | mov di, 0x20 ; memory base is config register at 0x20 |
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272 | int 0x1A |
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273 | jc .nopci |
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274 | and cx, 0xFFF0 ; clear address decode type |
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275 | mov [es:0x9031], cx |
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276 | .nopci: |
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164 | serge | 277 | ; \end{Mario79} |
160 | diamond | 278 | |
1 | ha | 279 | mov al,0xf6 ; Сброс клавиатуры, разрешить сканирование |
280 | out 0x60,al |
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29 | halyavin | 281 | xor cx,cx |
1 | ha | 282 | wait_loop: ; variant 2 |
283 | ; reading state of port of 8042 controller |
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164 | serge | 284 | in al,64h |
1 | ha | 285 | and al,00000010b ; ready flag |
164 | serge | 286 | ; wait until 8042 controller is ready |
1 | ha | 287 | loopnz wait_loop |
288 | |||
76 | mario79 | 289 | ; --------------- APM --------------------- |
290 | push 0 |
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291 | pop es |
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292 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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293 | mov ax, 0x5300 |
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294 | xor bx, bx |
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295 | int 0x15 |
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296 | jc apm_end ; APM not found |
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297 | test cx, 2 |
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298 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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299 | mov [es : 0x9044], ax ; Save APM Version |
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300 | mov [es : 0x9046], cx ; Save APM flags |
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164 | serge | 301 | |
76 | mario79 | 302 | ; Write APM ver ---- |
82 | halyavin | 303 | and ax, 0xf0f |
76 | mario79 | 304 | add ax, '00' |
465 | serge | 305 | mov si, msg_apm |
82 | halyavin | 306 | mov [si + 5], ah |
307 | mov [si + 7], al |
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76 | mario79 | 308 | _setcursor 0, 3 |
309 | call printplain |
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310 | ; ------------------ |
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164 | serge | 311 | |
76 | mario79 | 312 | mov ax, 0x5304 ; Disconnect interface |
313 | xor bx, bx |
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314 | int 0x15 |
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315 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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316 | xor bx, bx |
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317 | int 0x15 |
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465 | serge | 318 | |
319 | push 0 |
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320 | pop es |
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321 | |||
322 | mov [es:0x9040], ebx |
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323 | mov [es:0x9050], ax |
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324 | mov [es:0x9052], cx |
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325 | mov [es:0x9054], dx |
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326 | |||
76 | mario79 | 327 | apm_end: |
437 | diamond | 328 | _setcursor d80x25_top_num, 0 |
76 | mario79 | 329 | |
1 | ha | 330 | ; DISPLAY VESA INFORMATION |
331 | |||
76 | mario79 | 332 | push 0 |
333 | pop es |
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1 | ha | 334 | mov ax,0x4f00 |
335 | mov di,0xa000 |
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336 | int 0x10 |
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337 | cmp ax,0x004f |
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465 | serge | 338 | mov si, novesa |
76 | mario79 | 339 | jnz @f |
164 | serge | 340 | mov bx, word [es:di+0x12] |
341 | shl ebx,16 |
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342 | mov [es:0x9050], ebx |
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1 | ha | 343 | mov ax,[es:di+4] |
344 | add ax,'0'*256+'0' |
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465 | serge | 345 | mov si,vervesa |
40 | halyavin | 346 | mov [si+vervesa_off], ah |
347 | mov [si+vervesa_off+2], al |
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29 | halyavin | 348 | @@: call print |
1 | ha | 349 | |
29 | halyavin | 350 | ; \begin{diamond}[30.11.2005] |
351 | cfgmanager: |
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352 | ; settings: |
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353 | ; a) preboot_graph = graphical mode |
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354 | ; preboot_gprobe = probe this mode? |
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346 | diamond | 355 | ; b) preboot_dma_write = use DMA write? |
29 | halyavin | 356 | ; c) preboot_vrrm = use VRR? |
357 | ; d) preboot_device = from what boot? |
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465 | serge | 358 | mov di, preboot_graph |
29 | halyavin | 359 | ; check bootloader block |
465 | serge | 360 | cmp [.loader_block], -1 |
164 | serge | 361 | jz .noloaderblock |
465 | serge | 362 | les bx, [.loader_block] |
76 | mario79 | 363 | cmp byte [es:bx], 1 |
465 | serge | 364 | mov si, loader_block_error |
76 | mario79 | 365 | jnz sayerr |
366 | test byte [es:bx+1], 1 |
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367 | jz @f |
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29 | halyavin | 368 | ; image in memory present |
76 | mario79 | 369 | cmp [di+preboot_device-preboot_graph], 0 |
370 | jnz @f |
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371 | mov [di+preboot_device-preboot_graph], 3 |
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29 | halyavin | 372 | @@: |
373 | .noloaderblock: |
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374 | ; determine default settings |
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465 | serge | 375 | mov [.bSettingsChanged], 0 |
76 | mario79 | 376 | cmp byte [di], 0 |
377 | jnz .preboot_gr_end |
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378 | mov [di+preboot_gprobe-preboot_graph], 0 |
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465 | serge | 379 | mov al, [vervesa+vervesa_off] |
76 | mario79 | 380 | cmp al, 'x' |
381 | jz .novesa |
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382 | cmp al, '1' |
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383 | jz .vesa12 |
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384 | mov [di+preboot_gprobe-preboot_graph], 2 |
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385 | mov al, 3 |
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386 | jmp @f |
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29 | halyavin | 387 | .vesa12: |
76 | mario79 | 388 | mov al, 7 |
389 | jmp @f |
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29 | halyavin | 390 | .novesa: |
76 | mario79 | 391 | mov al, 10 |
29 | halyavin | 392 | @@: |
76 | mario79 | 393 | mov [di], al |
29 | halyavin | 394 | .preboot_gr_end: |
346 | diamond | 395 | cmp [di+preboot_dma_write-preboot_graph], 1 |
396 | adc [di+preboot_dma_write-preboot_graph], 0 |
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76 | mario79 | 397 | cmp [di+preboot_vrrm-preboot_graph], 1 |
398 | adc [di+preboot_vrrm-preboot_graph], 0 |
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399 | cmp [di+preboot_device-preboot_graph], 1 |
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400 | adc [di+preboot_device-preboot_graph], 0 |
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29 | halyavin | 401 | ; notify user |
465 | serge | 402 | mov si, linef |
76 | mario79 | 403 | call print |
465 | serge | 404 | mov si, start_msg |
76 | mario79 | 405 | call print |
465 | serge | 406 | mov si, time_msg |
76 | mario79 | 407 | call print |
29 | halyavin | 408 | ; get start time |
76 | mario79 | 409 | call .gettime |
465 | serge | 410 | mov [.starttime], eax |
411 | mov word [.timer], .newtimer |
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412 | mov word [.timer+2], cs |
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29 | halyavin | 413 | .printcfg: |
76 | mario79 | 414 | _setcursor 9,0 |
465 | serge | 415 | mov si, current_cfg_msg |
76 | mario79 | 416 | call print |
465 | serge | 417 | mov si, curvideo_msg |
76 | mario79 | 418 | call print |
465 | serge | 419 | mov al, [preboot_graph] |
76 | mario79 | 420 | cmp al, 8 |
421 | ja .pnovesa |
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422 | mov dl, al |
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423 | and eax, 3 |
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465 | serge | 424 | mov si, [modes_msg+eax*2] |
76 | mario79 | 425 | call printplain |
465 | serge | 426 | mov si, modevesa20 |
76 | mario79 | 427 | cmp dl, 4 |
428 | jbe @f |
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465 | serge | 429 | mov si, modevesa12 |
29 | halyavin | 430 | @@: |
76 | mario79 | 431 | call printplain |
432 | cmp dl, 4 |
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433 | ja .x |
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465 | serge | 434 | mov si, probeno_msg |
435 | cmp [preboot_gprobe], 2 |
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76 | mario79 | 436 | jnz @f |
465 | serge | 437 | mov si, probeok_msg |
29 | halyavin | 438 | @@: |
76 | mario79 | 439 | call printplain |
29 | halyavin | 440 | .x: |
76 | mario79 | 441 | jmp .c |
29 | halyavin | 442 | .pnovesa: |
76 | mario79 | 443 | cmp al, 9 |
465 | serge | 444 | mov si, mode9 |
76 | mario79 | 445 | jz @b |
465 | serge | 446 | mov si, mode10 |
76 | mario79 | 447 | jmp @b |
29 | halyavin | 448 | .c: |
465 | serge | 449 | mov si, linef |
76 | mario79 | 450 | call printplain |
465 | serge | 451 | mov si, dma_msg |
452 | cmp [preboot_dma_write], 1 |
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76 | mario79 | 453 | call .say_on_off |
465 | serge | 454 | mov si, vrrm_msg |
455 | cmp [preboot_vrrm], 1 |
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76 | mario79 | 456 | call .say_on_off |
465 | serge | 457 | mov si, preboot_device_msg |
76 | mario79 | 458 | call print |
465 | serge | 459 | mov al, [preboot_device] |
76 | mario79 | 460 | and eax, 3 |
465 | serge | 461 | mov si, [preboot_device_msgs+eax*2] |
76 | mario79 | 462 | call printplain |
29 | halyavin | 463 | .wait: |
76 | mario79 | 464 | _setcursor 25,0 ; out of screen |
34 | halyavin | 465 | ; set timer interrupt handler |
76 | mario79 | 466 | cli |
467 | push 0 |
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468 | pop es |
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469 | mov eax, [es:8*4] |
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465 | serge | 470 | mov [.oldtimer], eax |
471 | mov eax, [.timer] |
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76 | mario79 | 472 | mov [es:8*4], eax |
473 | sti |
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29 | halyavin | 474 | ; wait for keypressed |
76 | mario79 | 475 | mov ah, 0 |
476 | int 16h |
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477 | push ax |
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29 | halyavin | 478 | ; restore timer interrupt |
76 | mario79 | 479 | push 0 |
480 | pop es |
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465 | serge | 481 | mov eax, [.oldtimer] |
76 | mario79 | 482 | mov [es:8*4], eax |
465 | serge | 483 | mov [.timer], eax |
76 | mario79 | 484 | _setcursor 7,0 |
465 | serge | 485 | mov si, space_msg |
76 | mario79 | 486 | call printplain |
487 | pop ax |
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29 | halyavin | 488 | ; switch on key |
76 | mario79 | 489 | cmp al, 13 |
490 | jz .continue |
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491 | or al, 20h |
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492 | cmp al, 'a' |
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493 | jz .change_a |
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494 | cmp al, 'b' |
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495 | jz .change_b |
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496 | cmp al, 'c' |
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497 | jz .change_c |
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498 | cmp al, 'd' |
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499 | jnz .wait |
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500 | _setcursor 15,0 |
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465 | serge | 501 | mov si,bdev |
76 | mario79 | 502 | call print |
503 | mov bx,'13' |
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504 | call getkey |
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465 | serge | 505 | mov [preboot_device], al |
76 | mario79 | 506 | _setcursor 13,0 |
29 | halyavin | 507 | .d: |
465 | serge | 508 | mov [.bSettingsChanged], 1 |
509 | mov si, space_msg |
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76 | mario79 | 510 | call printplain |
511 | _setcursor 15,0 |
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512 | mov cx, 6 |
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29 | halyavin | 513 | @@: |
76 | mario79 | 514 | call printplain |
515 | loop @b |
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516 | jmp .printcfg |
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29 | halyavin | 517 | .change_a: |
76 | mario79 | 518 | _setcursor 15,0 |
465 | serge | 519 | mov si, gr_mode |
76 | mario79 | 520 | call printplain |
521 | mov bx, '09' |
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522 | call getkey |
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465 | serge | 523 | mov [preboot_graph], al |
76 | mario79 | 524 | cmp al, 4 |
525 | ja @f |
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465 | serge | 526 | mov si, probetext |
76 | mario79 | 527 | call printplain |
528 | mov bx, '12' |
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529 | call getkey |
||
465 | serge | 530 | mov [preboot_gprobe], al |
29 | halyavin | 531 | @@: |
76 | mario79 | 532 | _setcursor 10,0 |
533 | jmp .d |
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29 | halyavin | 534 | .change_b: |
76 | mario79 | 535 | _setcursor 15,0 |
465 | serge | 536 | mov si, ask_dma |
76 | mario79 | 537 | call print |
538 | mov bx, '12' |
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539 | call getkey |
||
465 | serge | 540 | mov [preboot_dma_write], al |
76 | mario79 | 541 | _setcursor 11,0 |
542 | jmp .d |
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29 | halyavin | 543 | .change_c: |
76 | mario79 | 544 | _setcursor 15,0 |
465 | serge | 545 | mov si, vrrmprint |
76 | mario79 | 546 | call print |
547 | mov bx, '12' |
||
548 | call getkey |
||
465 | serge | 549 | mov [preboot_vrrm], al |
76 | mario79 | 550 | _setcursor 12,0 |
551 | jmp .d |
||
40 | halyavin | 552 | .say_on_off: |
76 | mario79 | 553 | pushf |
554 | call print |
||
465 | serge | 555 | mov si, on_msg |
76 | mario79 | 556 | popf |
557 | jz @f |
||
465 | serge | 558 | mov si, off_msg |
76 | mario79 | 559 | @@: call printplain |
560 | ret |
||
40 | halyavin | 561 | ; novesa and vervesa strings are not used at the moment of executing this code |
562 | virtual at novesa |
||
29 | halyavin | 563 | .oldtimer dd ? |
564 | .starttime dd ? |
||
565 | .bSettingsChanged db ? |
||
34 | halyavin | 566 | .timer dd ? |
40 | halyavin | 567 | end virtual |
143 | diamond | 568 | .loader_block dd -1 |
29 | halyavin | 569 | .gettime: |
76 | mario79 | 570 | mov ah, 0 |
571 | int 1Ah |
||
572 | xchg ax, cx |
||
573 | shl eax, 10h |
||
574 | xchg ax, dx |
||
575 | ret |
||
29 | halyavin | 576 | .newtimer: |
76 | mario79 | 577 | push ds |
578 | push cs |
||
579 | pop ds |
||
580 | pushf |
||
465 | serge | 581 | call [.oldtimer] |
76 | mario79 | 582 | pushad |
583 | call .gettime |
||
465 | serge | 584 | sub eax, [.starttime] |
76 | mario79 | 585 | sub ax, 18*5 |
586 | jae .timergo |
||
587 | neg ax |
||
588 | add ax, 18-1 |
||
589 | mov bx, 18 |
||
590 | xor dx, dx |
||
591 | div bx |
||
29 | halyavin | 592 | if lang eq ru |
593 | ; Ї®¤®¦¤ЁвҐ 5 ᥪг¤, 4/3/2 ᥪг¤л, 1 ᥪг¤г |
||
76 | mario79 | 594 | cmp al, 5 |
595 | mov cl, ' ' |
||
596 | jae @f |
||
597 | cmp al, 1 |
||
598 | mov cl, 'г' |
||
599 | jz @f |
||
600 | mov cl, 'л' |
||
465 | serge | 601 | @@: mov [time_str+9], cl |
274 | kaitz | 602 | else if lang eq et |
603 | cmp al, 1 |
||
604 | ja @f |
||
465 | serge | 605 | mov [time_str+9], ' ' |
606 | mov [time_str+10],' ' |
||
381 | serge | 607 | @@: |
29 | halyavin | 608 | else |
609 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 610 | cmp al, 1 |
611 | mov cl, 's' |
||
612 | ja @f |
||
613 | mov cl, ' ' |
||
465 | serge | 614 | @@: mov [time_str+9], cl |
29 | halyavin | 615 | end if |
76 | mario79 | 616 | add al, '0' |
465 | serge | 617 | mov [time_str+1], al |
618 | mov si, time_msg |
||
76 | mario79 | 619 | _setcursor 7,0 |
620 | call print |
||
621 | _setcursor 25,0 |
||
622 | popad |
||
623 | pop ds |
||
624 | iret |
||
29 | halyavin | 625 | .timergo: |
76 | mario79 | 626 | push 0 |
627 | pop es |
||
465 | serge | 628 | mov eax, [.oldtimer] |
76 | mario79 | 629 | mov [es:8*4], eax |
630 | mov sp, 0EC00h |
||
29 | halyavin | 631 | .continue: |
76 | mario79 | 632 | sti |
633 | _setcursor 6,0 |
||
465 | serge | 634 | mov si, space_msg |
76 | mario79 | 635 | call printplain |
636 | call printplain |
||
637 | _setcursor 6,0 |
||
465 | serge | 638 | mov si, loading_msg |
76 | mario79 | 639 | call print |
640 | _setcursor 15,0 |
||
465 | serge | 641 | cmp [.bSettingsChanged], 0 |
76 | mario79 | 642 | jz .load |
465 | serge | 643 | cmp [.loader_block], -1 |
76 | mario79 | 644 | jz .load |
465 | serge | 645 | les bx, [.loader_block] |
76 | mario79 | 646 | mov eax, [es:bx+3] |
647 | push ds |
||
648 | pop es |
||
649 | test eax, eax |
||
650 | jz .load |
||
651 | push eax |
||
465 | serge | 652 | mov si, save_quest |
76 | mario79 | 653 | call print |
29 | halyavin | 654 | .waityn: |
76 | mario79 | 655 | mov ah, 0 |
656 | int 16h |
||
657 | or al, 20h |
||
658 | cmp al, 'n' |
||
659 | jz .loadc |
||
660 | cmp al, 'y' |
||
661 | jnz .waityn |
||
662 | call putchar |
||
465 | serge | 663 | mov byte [space_msg+80], 186 |
76 | mario79 | 664 | pop eax |
665 | push cs |
||
82 | halyavin | 666 | push .cont |
76 | mario79 | 667 | push eax |
668 | retf |
||
29 | halyavin | 669 | .loadc: |
76 | mario79 | 670 | pop eax |
29 | halyavin | 671 | .cont: |
76 | mario79 | 672 | push cs |
673 | pop ds |
||
465 | serge | 674 | mov si, space_msg |
76 | mario79 | 675 | mov byte [si+80], 0 |
676 | _setcursor 15,0 |
||
677 | call printplain |
||
678 | _setcursor 15,0 |
||
29 | halyavin | 679 | .load: |
680 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 681 | |
682 | ; ASK GRAPHICS MODE |
||
683 | |||
465 | serge | 684 | movzx ax, [preboot_graph] |
76 | mario79 | 685 | push 0 |
686 | pop es |
||
465 | serge | 687 | ; address is gr_table+6*(ax-1) |
76 | mario79 | 688 | add ax, ax |
465 | serge | 689 | lea si, [gr_table + eax + eax*2 - 6] |
29 | halyavin | 690 | mov bx,[si+0] |
691 | mov cx,[si+2] |
||
692 | mov dx,[si+4] |
||
76 | mario79 | 693 | cmp al, 9*2 |
694 | mov al, 32 ; BPP |
||
695 | jb @f |
||
696 | mov [es:0x9000], al |
||
164 | serge | 697 | mov dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
29 | halyavin | 698 | @@: |
1 | ha | 699 | mov [es:0x9008],bx |
700 | mov [es:0x900A],cx |
||
701 | mov [es:0x900C],dx |
||
76 | mario79 | 702 | test bh, bh |
703 | jz nov |
||
1 | ha | 704 | |
705 | ; USE DEFAULTS OR PROBE |
||
706 | |||
707 | ; bx - mode : cx - x size : dx - y size |
||
465 | serge | 708 | cmp [preboot_gprobe], 1 |
76 | mario79 | 709 | jz noprobe |
1 | ha | 710 | |
711 | mov bx,0x100 |
||
712 | newprobe: |
||
713 | inc bx |
||
714 | cmp bx,0x17f |
||
465 | serge | 715 | mov si,prnotfnd |
76 | mario79 | 716 | jz sayerr |
1 | ha | 717 | |
718 | probemore: |
||
76 | mario79 | 719 | push cx |
1 | ha | 720 | mov ax,0x4f01 |
721 | mov cx,bx |
||
722 | and cx,0xfff |
||
723 | mov di,0xa000 |
||
724 | int 0x10 |
||
76 | mario79 | 725 | pop cx |
1 | ha | 726 | |
76 | mario79 | 727 | test byte [es:di], 80h ; lfb? |
728 | jz newprobe |
||
729 | cmp [es:di+0x12], cx ; x size? |
||
730 | jnz newprobe |
||
731 | cmp [es:di+0x14], dx ; y size? |
||
732 | jnz newprobe |
||
733 | cmp byte [es:di+0x19], 32 ;24 |
||
734 | jb newprobe |
||
1 | ha | 735 | |
40 | halyavin | 736 | ; add bx,0100000000000000b |
76 | mario79 | 737 | or bh, 40h |
1 | ha | 738 | mov [es:0x9008],bx |
739 | |||
740 | noprobe: |
||
741 | |||
742 | |||
743 | ; FIND VESA 2.0 LFB & BPP |
||
744 | |||
745 | mov ax,0x4f01 |
||
746 | mov cx,bx |
||
747 | and cx,0xfff |
||
748 | mov di,0xa000 |
||
749 | int 0x10 |
||
750 | ; LFB |
||
40 | halyavin | 751 | mov eax,[es:di+0x28] |
752 | mov [es:0x9018],eax |
||
1 | ha | 753 | ; ---- vbe voodoo |
381 | serge | 754 | BytesPerLine equ 0x10 |
755 | mov ax, [es:di+BytesPerLine] |
||
1 | ha | 756 | mov [es:0x9001],ax |
29 | halyavin | 757 | ; BPP |
40 | halyavin | 758 | mov al,byte [es:di+0x19] |
29 | halyavin | 759 | mov [es:0x9000],al |
1 | ha | 760 | nov: |
40 | halyavin | 761 | cmp al,24 |
465 | serge | 762 | mov si,bt24 |
76 | mario79 | 763 | jz bppl |
40 | halyavin | 764 | cmp al,32 |
465 | serge | 765 | mov si,bt32 |
29 | halyavin | 766 | jz bppl |
465 | serge | 767 | mov si,btns |
76 | mario79 | 768 | jmp sayerr |
40 | halyavin | 769 | bppl: |
1 | ha | 770 | call print |
771 | |||
772 | |||
773 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
774 | |||
76 | mario79 | 775 | push es |
1 | ha | 776 | mov ax,0x4f0A |
76 | mario79 | 777 | xor bx, bx |
1 | ha | 778 | int 0x10 |
779 | xor eax,eax |
||
780 | mov ax,es |
||
781 | shl eax,4 |
||
29 | halyavin | 782 | movzx ebx,di |
1 | ha | 783 | add eax,ebx |
784 | mov bx,[es:di] |
||
785 | add eax,ebx |
||
786 | pop es |
||
787 | mov [es:0x9014],eax |
||
788 | |||
789 | |||
790 | ; GRAPHICS ACCELERATION |
||
346 | diamond | 791 | ; force yes |
792 | mov [es:0x901C], byte 1 |
||
1 | ha | 793 | |
346 | diamond | 794 | ; DMA WRITE |
1 | ha | 795 | |
465 | serge | 796 | mov al, [preboot_dma_write] |
346 | diamond | 797 | mov [es:0x901F],al |
798 | |||
1 | ha | 799 | ; VRR_M USE |
800 | |||
465 | serge | 801 | mov al,[preboot_vrrm] |
1 | ha | 802 | mov [es:0x9030],al |
803 | mov [es:0x901E],byte 1 |
||
804 | |||
805 | ; BOOT DEVICE |
||
806 | |||
465 | serge | 807 | mov al, [preboot_device] |
40 | halyavin | 808 | dec al |
465 | serge | 809 | mov [boot_dev],al |
1 | ha | 810 | |
811 | ; READ DISKETTE TO MEMORY |
||
812 | |||
465 | serge | 813 | ; cmp [boot_dev],0 |
1 | ha | 814 | jne no_sys_on_floppy |
465 | serge | 815 | mov si,diskload |
1 | ha | 816 | call print |
76 | mario79 | 817 | xor ax, ax ; reset drive |
818 | xor dx, dx |
||
1 | ha | 819 | int 0x13 |
134 | diamond | 820 | ; now load floppy image to memory |
821 | ; at first load boot sector and first FAT table |
||
822 | mov cx, 0x0001 ; startcyl,startsector |
||
823 | xor dx, dx ; starthead,drive |
||
824 | mov al, 1+9 ; no of sectors to read |
||
825 | mov bx, 0xB000 ; es:bx -> data area |
||
826 | call boot_read_floppy |
||
827 | ; and copy them to extended memory |
||
465 | serge | 828 | mov si, movedesc |
134 | diamond | 829 | mov [si+8*2+3], bh |
830 | push es |
||
831 | push ds |
||
832 | pop es |
||
833 | mov cx, 256*10 |
||
834 | mov ah, 0x87 |
||
835 | int 0x15 |
||
76 | mario79 | 836 | test ah, ah |
134 | diamond | 837 | jz @f |
838 | sayerr_floppy: |
||
839 | mov dx, 0x3f2 |
||
840 | mov al, 0 |
||
841 | out dx, al |
||
465 | serge | 842 | mov si, memmovefailed |
134 | diamond | 843 | jmp sayerr_plain |
844 | @@: |
||
845 | add dword [si+8*3+2], 512*10 |
||
846 | ; copy FAT to second copy |
||
847 | mov byte [si+8*2+3], 0xB2 |
||
848 | mov cx, 256*9 |
||
849 | mov ah, 0x87 |
||
850 | int 0x15 |
||
851 | pop es |
||
852 | test ah, ah |
||
853 | jnz sayerr_floppy |
||
854 | add dword [si+8*3+2], 512*9 |
||
855 | ; calculate total number of sectors to read |
||
856 | mov ax, 1+9+14 ; boot+FAT+root |
||
857 | mov di, 0xB203 |
||
858 | .calc_loop: |
||
859 | test word [es:di], 0xFFF |
||
860 | jz @f |
||
861 | inc ax |
||
862 | @@: |
||
863 | test word [es:di+1], 0xFFF0 |
||
864 | jz @f |
||
865 | inc ax |
||
866 | @@: |
||
867 | add di, 3 |
||
868 | cmp di, 0xB200+1440*3 |
||
869 | jb .calc_loop |
||
870 | push ax |
||
871 | mov bp, 1+9 ; already read sectors |
||
872 | ; now read rest |
||
873 | mov byte [si+8*2+3], 0xA0 |
||
874 | mov di, 2-14 ; absolute sector-31 |
||
875 | mov cx, 0x0002 ; cylinder=0, sector=2 |
||
876 | mov dx, 0x0100 ; head=1, disk=0 |
||
877 | .read_loop: |
||
878 | ; determine whether sector must be read |
||
879 | cmp di, 2 |
||
880 | jl .read |
||
881 | mov bx, di |
||
882 | shr bx, 1 |
||
883 | jnc .even |
||
884 | test word [es:bx+di+0xB200], 0xFFF0 |
||
885 | jmp @f |
||
886 | .even: |
||
887 | test word [es:bx+di+0xB200], 0xFFF |
||
888 | @@: |
||
889 | jz .skip |
||
890 | .read: |
||
891 | mov bx, 0xA000 |
||
892 | mov al, 1 ; 1 sector |
||
893 | call boot_read_floppy |
||
894 | inc bp |
||
76 | mario79 | 895 | push es |
896 | push ds |
||
1 | ha | 897 | pop es |
134 | diamond | 898 | pusha |
899 | mov cx, 256 |
||
900 | mov ah, 0x87 |
||
1 | ha | 901 | int 0x15 |
134 | diamond | 902 | test ah, ah |
1 | ha | 903 | popa |
134 | diamond | 904 | pop es |
905 | jnz sayerr_floppy |
||
906 | .skip: |
||
907 | add dword [si+8*3+2], 512 |
||
908 | inc cx |
||
909 | cmp cl, 19 |
||
910 | jnz @f |
||
911 | mov cl, 1 |
||
1 | ha | 912 | inc dh |
134 | diamond | 913 | cmp dh, 2 |
914 | jnz @f |
||
915 | mov dh, 0 |
||
1 | ha | 916 | inc ch |
29 | halyavin | 917 | @@: |
134 | diamond | 918 | pop ax |
919 | push ax |
||
920 | pusha |
||
921 | ; draw percentage |
||
922 | ; total sectors: ax |
||
923 | ; read sectors: bp |
||
924 | xchg ax, bp |
||
925 | mov cx, 100 |
||
926 | mul cx |
||
927 | div bp |
||
928 | aam |
||
929 | xchg al, ah |
||
930 | add ax, '00' |
||
465 | serge | 931 | mov si, pros |
134 | diamond | 932 | cmp [si], ax |
933 | jz @f |
||
934 | mov [si], ax |
||
1 | ha | 935 | call printplain |
134 | diamond | 936 | @@: |
1 | ha | 937 | popa |
134 | diamond | 938 | inc di |
939 | cmp di, 2880-31 |
||
940 | jnz .read_loop |
||
941 | |||
942 | ; mov cx, 0x0001 ; startcyl,startsector |
||
943 | ; xor dx, dx ; starthead,drive |
||
944 | ; push word 80*2 ; read no of sect |
||
945 | ; reads: |
||
946 | ; pusha |
||
947 | ; xor si,si |
||
948 | ; newread: |
||
949 | ; mov bx,0xa000 ; es:bx -> data area |
||
950 | ; mov ax,0x0200+18 ; read, no of sectors to read |
||
951 | ; int 0x13 |
||
952 | ; test ah, ah |
||
953 | ; jz goodread |
||
954 | ; inc si |
||
955 | ; cmp si,10 |
||
956 | ; jnz newread |
||
957 | ; mov si,badsect-0x10000 |
||
958 | ;sayerr_plain: |
||
959 | ; call printplain |
||
960 | ; jmp $ |
||
961 | ; goodread: |
||
962 | ; ; move -> 1mb |
||
963 | ; mov si,movedesc-0x10000 |
||
964 | ; push es |
||
965 | ; push ds |
||
966 | ; pop es |
||
967 | ; mov cx,256*18 |
||
968 | ; mov ah,0x87 |
||
969 | ; int 0x15 |
||
970 | ; pop es |
||
971 | ; |
||
972 | ; test ah,ah ; was the move successfull ? |
||
973 | ; je goodmove |
||
974 | ; mov dx,0x3f2 ; floppy motor off |
||
975 | ; mov al,0 |
||
976 | ; out dx,al |
||
977 | ; mov si,memmovefailed-0x10000 |
||
978 | ; jmp sayerr_plain |
||
979 | ; goodmove: |
||
980 | ; |
||
981 | ; add dword [movedesc-0x10000+0x18+2], 512*18 |
||
982 | ; popa |
||
983 | ; inc dh |
||
984 | ; cmp dh,2 |
||
985 | ; jnz bb2 |
||
986 | ; mov dh,0 |
||
987 | ; inc ch |
||
988 | ; pusha ; print prosentage |
||
989 | ; mov si,pros-0x10000 |
||
990 | ; shr ch, 2 |
||
991 | ; mov al, '5' |
||
992 | ; test ch, 1 |
||
993 | ; jnz @f |
||
994 | ; mov al, '0' |
||
995 | ;@@: |
||
996 | ; mov [si+1], al |
||
997 | ; shr ch, 1 |
||
998 | ; add ch, '0' |
||
999 | ; mov [si], ch |
||
1000 | ; call printplain |
||
1001 | ; popa |
||
1002 | ; bb2: |
||
1003 | ; pop ax |
||
1004 | ; dec ax |
||
1005 | ; push ax |
||
1006 | ; jnz reads |
||
1007 | ; readdone: |
||
1008 | ; pop ax |
||
465 | serge | 1009 | |
1010 | mov si,backspace2 |
||
1 | ha | 1011 | call printplain |
465 | serge | 1012 | mov si,okt |
1 | ha | 1013 | call printplain |
1014 | no_sys_on_floppy: |
||
76 | mario79 | 1015 | xor ax, ax ; reset drive |
1016 | xor dx, dx |
||
1 | ha | 1017 | int 0x13 |
1018 | mov dx,0x3f2 ; floppy motor off |
||
1019 | mov al,0 |
||
29 | halyavin | 1020 | out dx,al |
1 | ha | 1021 | |
1022 | |||
1023 | ; SET GRAPHICS |
||
1024 | |||
164 | serge | 1025 | xor ax, ax |
1026 | mov es, ax |
||
1027 | |||
1028 | mov ax,[es:0x9008] ; vga & 320x200 |
||
76 | mario79 | 1029 | mov bx, ax |
1 | ha | 1030 | cmp ax,0x13 |
1031 | je setgr |
||
1032 | cmp ax,0x12 |
||
1033 | je setgr |
||
1034 | mov ax,0x4f02 ; Vesa |
||
412 | serge | 1035 | setgr: |
1 | ha | 1036 | int 0x10 |
76 | mario79 | 1037 | test ah,ah |
465 | serge | 1038 | mov si, fatalsel |
76 | mario79 | 1039 | jnz sayerr |
1 | ha | 1040 | ; set mode 0x12 graphics registers: |
1041 | cmp bx,0x12 |
||
1042 | jne gmok2 |
||
1043 | |||
1044 | mov al,0x05 |
||
1045 | mov dx,0x03ce |
||
40 | halyavin | 1046 | push dx |
1 | ha | 1047 | out dx,al ; select GDC mode register |
1048 | mov al,0x02 |
||
76 | mario79 | 1049 | inc dx |
1 | ha | 1050 | out dx,al ; set write mode 2 |
1051 | |||
1052 | mov al,0x02 |
||
1053 | mov dx,0x03c4 |
||
1054 | out dx,al ; select VGA sequencer map mask register |
||
1055 | mov al,0x0f |
||
76 | mario79 | 1056 | inc dx |
1 | ha | 1057 | out dx,al ; set mask for all planes 0-3 |
1058 | |||
1059 | mov al,0x08 |
||
76 | mario79 | 1060 | pop dx |
1 | ha | 1061 | out dx,al ; select GDC bit mask register |
1062 | ; for writes to 0x03cf |
||
412 | serge | 1063 | gmok2: |
76 | mario79 | 1064 | push ds |
1065 | pop es |