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