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Rev | Author | Line No. | Line |
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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; BOOTCODE.INC ;; |
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4 | ;; ;; |
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29 | halyavin | 5 | ;; KolibriOS 16-bit loader, ;; |
6 | ;; based on bootcode for MenuetOS ;; |
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1 | ha | 7 | ;; ;; |
8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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9 | |||
10 | |||
11 | |||
12 | ;========================================================================== |
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13 | ; |
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14 | ; 16 BIT FUNCTIONS |
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15 | ; |
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16 | ;========================================================================== |
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17 | |||
29 | halyavin | 18 | putchar: |
19 | ; in: al=character |
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76 | mario79 | 20 | mov ah, 0Eh |
21 | mov bh, 0 |
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22 | int 10h |
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23 | ret |
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1 | ha | 24 | |
29 | halyavin | 25 | print: |
26 | ; in: si->string |
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76 | mario79 | 27 | mov al, 186 |
28 | call putchar |
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29 | mov al, ' ' |
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30 | call putchar |
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1 | ha | 31 | |
29 | halyavin | 32 | printplain: |
33 | ; in: si->string |
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76 | mario79 | 34 | pusha |
35 | lodsb |
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29 | halyavin | 36 | @@: |
76 | mario79 | 37 | call putchar |
38 | lodsb |
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39 | cmp al, 0 |
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40 | jnz @b |
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41 | popa |
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42 | ret |
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1 | ha | 43 | |
29 | halyavin | 44 | ; Now int 16 is used for keyboard support. |
45 | ; This is shorter, simpler and more reliable. |
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46 | if 0 |
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1 | ha | 47 | getkey: push ecx |
48 | push edx |
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49 | add ebx,0x0101 |
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50 | xor eax,eax |
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51 | |||
52 | gk1: |
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53 | in al,0x60 |
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54 | mov cl,al |
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55 | gk0: |
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56 | in al,0x60 |
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57 | cmp al,cl |
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58 | je gk0 |
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59 | cmp ax,11 |
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60 | jg gk0 |
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61 | gk0_1: |
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62 | mov cl,al |
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63 | |||
64 | ; add al,47 |
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65 | ; mov [ds:keyinbs-0x10000],al |
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66 | ; mov si,keyinbs-0x10000 |
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67 | ; call printplain |
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68 | |||
69 | gk12: |
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70 | in al,0x60 |
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71 | cmp al,cl |
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72 | je gk12 |
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73 | cmp ax,240 |
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74 | jne gk13 |
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75 | mov al,cl |
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76 | jmp gk14 |
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77 | gk13: |
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78 | add cl,128 |
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79 | cmp al,cl |
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80 | jne gk1 |
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81 | sub al,128 |
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82 | gk14: |
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83 | |||
84 | movzx edx,bl |
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85 | cmp eax,edx |
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86 | jb gk1 |
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87 | movzx edx,bh |
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88 | cmp eax,edx |
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89 | jg gk1 |
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90 | test ebx,0x010000 |
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91 | jnz gk3 |
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92 | mov cx,0x1000 |
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93 | mov dx,cx |
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94 | add eax,47 |
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95 | mov cx,ax |
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96 | cmp cx,58 |
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97 | jb gk_nozero |
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98 | sub cx,10 |
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99 | gk_nozero: |
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100 | mov [ds:keyin-0x10000],cl |
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101 | mov si,keyin-0x10000 |
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102 | call printplain |
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103 | gk3: |
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104 | sub eax,48 |
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105 | pop edx |
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106 | pop ecx |
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107 | ret |
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29 | halyavin | 108 | end if |
1 | ha | 109 | |
29 | halyavin | 110 | getkey: |
111 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
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112 | ; in: bx=range |
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113 | ; out: ax=digit (1..9, 10 for 0) |
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76 | mario79 | 114 | mov ah, 0 |
115 | int 16h |
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116 | cmp al, bl |
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117 | jb getkey |
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118 | cmp al, bh |
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119 | ja getkey |
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120 | push ax |
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121 | call putchar |
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122 | pop ax |
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123 | and ax, 0Fh |
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124 | jnz @f |
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125 | mov al, 10 |
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29 | halyavin | 126 | @@: |
76 | mario79 | 127 | ret |
1 | ha | 128 | |
29 | halyavin | 129 | setcursor: |
130 | ; in: dl=column, dh=row |
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76 | mario79 | 131 | mov ah, 2 |
132 | mov bh, 0 |
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133 | int 10h |
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134 | ret |
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29 | halyavin | 135 | |
136 | macro _setcursor row,column |
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137 | { |
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76 | mario79 | 138 | mov dx, row*256 + column |
139 | call setcursor |
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29 | halyavin | 140 | } |
141 | |||
40 | halyavin | 142 | pagetable_set: |
103 | halyavin | 143 | ;eax - physical address |
144 | ;es:di - page table |
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145 | ;ecx - number of pages to map |
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76 | mario79 | 146 | or al, 7 |
40 | halyavin | 147 | @@: |
76 | mario79 | 148 | stosd |
149 | add eax, 1000h |
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150 | loop @b |
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151 | ret |
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40 | halyavin | 152 | |
29 | halyavin | 153 | ; 16-bit data |
154 | ; videomodes table |
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82 | halyavin | 155 | org $+0x10000 |
29 | halyavin | 156 | gr_table: |
76 | mario79 | 157 | dw 0x112+0100000000000000b , 640 , 480 ; 1 |
158 | dw 0x115+0100000000000000b , 800 , 600 ; 2 |
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159 | dw 0x118+0100000000000000b , 1024 , 768 ; 3 |
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160 | dw 0x11B+0100000000000000b , 1280 , 1024 ; 4 |
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161 | dw 0x112 , 640 , 480 ; 5 |
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162 | dw 0x115 , 800 , 600 ; 6 |
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163 | dw 0x118 , 1024 , 768 ; 7 |
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164 | dw 0x11B , 1280 ,1024 ; 8 |
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89 | diamond | 165 | dw 0x13, 640, 480 ; 9 |
76 | mario79 | 166 | dw 0x12, 640, 480 ; 0 |
29 | halyavin | 167 | |
168 | ; table for move to extended memory (int 15h, ah=87h) |
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169 | movedesc: |
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170 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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171 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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172 | |||
173 | db 0xff,0xff,0x0,0xa0,0x00,0x93,0x0,0x0 |
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174 | db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0 |
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175 | |||
176 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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177 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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178 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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179 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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82 | halyavin | 180 | org $-0x10000 |
29 | halyavin | 181 | |
1 | ha | 182 | ;========================================================================= |
183 | ; |
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184 | ; 16 BIT CODE |
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185 | ; |
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186 | ;========================================================================= |
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187 | |||
188 | |||
189 | start_of_code: |
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76 | mario79 | 190 | cld |
29 | halyavin | 191 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 192 | cmp ax, 'KL' |
193 | jnz @f |
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194 | mov word [cs:cfgmanager.loader_block-0x10000], si |
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195 | mov word [cs:cfgmanager.loader_block+2-0x10000], ds |
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29 | halyavin | 196 | @@: |
197 | ; \end{diamond}[02.12.2005] |
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1 | ha | 198 | |
29 | halyavin | 199 | ; set up stack |
76 | mario79 | 200 | mov ax, 3000h |
201 | mov ss, ax |
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202 | mov sp, 0EC00h |
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29 | halyavin | 203 | ; set up segment registers |
76 | mario79 | 204 | push cs |
205 | pop ds |
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206 | push cs |
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207 | pop es |
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1 | ha | 208 | |
29 | halyavin | 209 | ; set videomode |
76 | mario79 | 210 | mov ax, 3 |
1 | ha | 211 | int 0x10 |
212 | |||
213 | ; Load & set russian VGA font (RU.INC) |
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214 | mov bp,RU_FNT1-10000h ; RU_FNT1 - First part |
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215 | mov bx,1000h ; 768 bytes |
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216 | mov cx,30h ; 48 symbols |
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217 | mov dx,80h ; 128 - position of first symbol |
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218 | mov ax,1100h |
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219 | int 10h |
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220 | |||
221 | mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part |
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222 | mov bx,1000h ; 512 bytes |
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223 | mov cx,20h ; 32 symbols |
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224 | mov dx,0E0h ; 224 - position of first symbol |
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225 | mov ax,1100h |
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226 | int 10h |
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227 | ; End set VGA russian font |
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228 | |||
29 | halyavin | 229 | ; draw frames |
76 | mario79 | 230 | push 0xb800 |
231 | pop es |
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232 | xor di, di |
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29 | halyavin | 233 | ; mov si,d80x25-0x10000 |
234 | ; mov cx,80*25 |
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235 | ; mov ah,1*16+15 |
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236 | ; dfl1: |
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237 | ; lodsb |
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238 | ; stosw |
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239 | ; loop dfl1 |
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76 | mario79 | 240 | mov ah, 1*16+15 |
29 | halyavin | 241 | ; draw top |
76 | mario79 | 242 | mov si, d80x25_top - 0x10000 |
243 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 244 | @@: |
76 | mario79 | 245 | lodsb |
246 | stosw |
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247 | loop @b |
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29 | halyavin | 248 | ; draw spaces |
76 | mario79 | 249 | mov si, space_msg - 0x10000 |
250 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 251 | dfl1: |
76 | mario79 | 252 | push cx |
253 | push si |
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254 | mov cx, 80 |
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29 | halyavin | 255 | @@: |
76 | mario79 | 256 | lodsb |
257 | stosw |
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258 | loop @b |
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259 | pop si |
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260 | pop cx |
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261 | loop dfl1 |
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29 | halyavin | 262 | ; draw bottom |
76 | mario79 | 263 | mov si, d80x25_bottom - 0x10000 |
264 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 265 | @@: |
76 | mario79 | 266 | lodsb |
267 | stosw |
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268 | loop @b |
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1 | ha | 269 | |
76 | mario79 | 270 | mov byte [space_msg-0x10000+80], 0 ; now space_msg is null terminated |
1 | ha | 271 | |
76 | mario79 | 272 | _setcursor d80x25_top_num,0 |
1 | ha | 273 | |
274 | |||
275 | ; TEST FOR 386+ |
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276 | |||
76 | mario79 | 277 | mov bx, 0x4000 |
1 | ha | 278 | pushf |
279 | pop ax |
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280 | mov dx,ax |
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29 | halyavin | 281 | xor ax,bx |
1 | ha | 282 | push ax |
283 | popf |
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284 | pushf |
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285 | pop ax |
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29 | halyavin | 286 | and ax,bx |
287 | and dx,bx |
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1 | ha | 288 | cmp ax,dx |
289 | jnz cpugood |
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290 | mov si,not386-0x10000 |
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40 | halyavin | 291 | sayerr: |
1 | ha | 292 | call print |
293 | jmp $ |
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294 | cpugood: |
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295 | |||
29 | halyavin | 296 | ; set up esp |
76 | mario79 | 297 | movzx esp, sp |
1 | ha | 298 | |
299 | ; FLUSH 8042 KEYBOARD CONTROLLER |
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300 | |||
301 | ;// mike.dld [ |
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302 | ; mov al,0xED |
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303 | ; out 0x60,al |
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304 | ; or cx,-1 |
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305 | ; @@: |
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306 | ; in al,0x64 |
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307 | ; test al,2 |
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308 | ; jz @f |
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309 | ; loop @b |
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310 | ; @@: |
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311 | ; mov al,0 |
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312 | ; out 0x60,al |
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313 | ; or cx,-1 |
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314 | ; @@: |
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315 | ; in al,0x64 |
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316 | ; test al,2 |
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317 | ; jz @f |
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318 | ; loop @b |
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319 | ; @@: |
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320 | ;// mike.dld ] |
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321 | |||
322 | ; mov ecx,10000 |
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323 | ; fl1: |
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324 | ; in al,0x64 |
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325 | ; loop fl1 |
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326 | ; test al,1 |
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327 | ; jz fl2 |
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328 | ; in al,0x60 |
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329 | ; jmp fl1 |
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330 | ; fl2: |
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331 | |||
332 | ;**************************************************************** |
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333 | ; The function is modified Mario79 |
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334 | ;***************************************************************** |
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335 | ; wait_kbd: ; variant 1 |
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336 | ; mov cx,2500h ;задержка порядка 10 мсек |
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337 | ; test_kbd: |
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338 | ; in al,64h ;читаем состояние клавиатуры |
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339 | ; test al,2 ;проверка бита готовности |
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340 | ; loopnz test_kbd |
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341 | |||
342 | mov al,0xf6 ; Сброс клавиатуры, разрешить сканирование |
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343 | out 0x60,al |
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29 | halyavin | 344 | xor cx,cx |
1 | ha | 345 | wait_loop: ; variant 2 |
346 | ; reading state of port of 8042 controller |
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347 | in al,64h |
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348 | and al,00000010b ; ready flag |
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349 | ; wait until 8042 controller is ready |
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350 | loopnz wait_loop |
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351 | |||
76 | mario79 | 352 | ; --------------- APM --------------------- |
353 | push 0 |
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354 | pop es |
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355 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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356 | mov ax, 0x5300 |
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357 | xor bx, bx |
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358 | int 0x15 |
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359 | jc apm_end ; APM not found |
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360 | test cx, 2 |
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361 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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362 | mov [es : 0x9044], ax ; Save APM Version |
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363 | mov [es : 0x9046], cx ; Save APM flags |
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364 | |||
365 | ; Write APM ver ---- |
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82 | halyavin | 366 | and ax, 0xf0f |
76 | mario79 | 367 | add ax, '00' |
82 | halyavin | 368 | mov si, msg_apm - 0x10000 |
369 | mov [si + 5], ah |
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370 | mov [si + 7], al |
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76 | mario79 | 371 | _setcursor 0, 3 |
372 | call printplain |
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373 | _setcursor d80x25_top_num,0 |
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374 | ; ------------------ |
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375 | |||
376 | mov ax, 0x5304 ; Disconnect interface |
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377 | xor bx, bx |
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378 | int 0x15 |
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379 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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380 | xor bx, bx |
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381 | int 0x15 |
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382 | ; init selectors |
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383 | movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
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384 | shl eax, 4 |
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385 | mov [apm_code_32 - 0x10000 + 2], ax |
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386 | shr eax, 16 |
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387 | mov [apm_code_32 - 0x10000 + 4], al |
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388 | movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
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389 | shl ecx, 4 |
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390 | mov [apm_code_16 - 0x10000 + 2], cx |
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391 | shr ecx, 16 |
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392 | mov [apm_code_16 - 0x10000 + 4], cl |
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393 | movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
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394 | shl edx, 4 |
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395 | mov [apm_data_16 - 0x10000 + 2], dx |
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396 | shr edx, 16 |
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397 | mov [apm_data_16 - 0x10000 + 4], dl |
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398 | mov [es : 0x9040], ebx ; offset of APM entry point |
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399 | apm_end: |
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400 | ; ----------------------------------------- |
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401 | |||
1 | ha | 402 | ; DISPLAY VESA INFORMATION |
403 | |||
76 | mario79 | 404 | push 0 |
405 | pop es |
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1 | ha | 406 | mov ax,0x4f00 |
407 | mov di,0xa000 |
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408 | int 0x10 |
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409 | cmp ax,0x004f |
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76 | mario79 | 410 | mov si, novesa-0x10000 |
411 | jnz @f |
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1 | ha | 412 | mov ax,[es:di+4] |
413 | add ax,'0'*256+'0' |
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76 | mario79 | 414 | mov si,vervesa-0x10000 |
40 | halyavin | 415 | mov [si+vervesa_off], ah |
416 | mov [si+vervesa_off+2], al |
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29 | halyavin | 417 | @@: call print |
1 | ha | 418 | |
29 | halyavin | 419 | ; \begin{diamond}[30.11.2005] |
420 | cfgmanager: |
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421 | ; settings: |
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422 | ; a) preboot_graph = graphical mode |
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423 | ; preboot_gprobe = probe this mode? |
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424 | ; b) preboot_mtrr = use hardware acceleration? |
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425 | ; c) preboot_vrrm = use VRR? |
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426 | ; d) preboot_device = from what boot? |
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76 | mario79 | 427 | mov di, preboot_graph-0x10000 |
29 | halyavin | 428 | ; check bootloader block |
76 | mario79 | 429 | cmp [.loader_block-0x10000], 0 |
430 | jz .noloaderblock |
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431 | les bx, [.loader_block-0x10000] |
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432 | cmp byte [es:bx], 1 |
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433 | mov si, loader_block_error-0x10000 |
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434 | jnz sayerr |
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435 | test byte [es:bx+1], 1 |
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436 | jz @f |
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29 | halyavin | 437 | ; image in memory present |
76 | mario79 | 438 | cmp [di+preboot_device-preboot_graph], 0 |
439 | jnz @f |
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440 | mov [di+preboot_device-preboot_graph], 3 |
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29 | halyavin | 441 | @@: |
442 | .noloaderblock: |
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443 | ; determine default settings |
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76 | mario79 | 444 | mov [.bSettingsChanged-0x10000], 0 |
445 | cmp byte [di], 0 |
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446 | jnz .preboot_gr_end |
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447 | mov [di+preboot_gprobe-preboot_graph], 0 |
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448 | mov al, [vervesa+vervesa_off-0x10000] |
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449 | cmp al, 'x' |
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450 | jz .novesa |
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451 | cmp al, '1' |
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452 | jz .vesa12 |
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453 | mov [di+preboot_gprobe-preboot_graph], 2 |
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454 | mov al, 3 |
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455 | jmp @f |
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29 | halyavin | 456 | .vesa12: |
76 | mario79 | 457 | mov al, 7 |
458 | jmp @f |
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29 | halyavin | 459 | .novesa: |
76 | mario79 | 460 | mov al, 10 |
29 | halyavin | 461 | @@: |
76 | mario79 | 462 | mov [di], al |
29 | halyavin | 463 | .preboot_gr_end: |
76 | mario79 | 464 | cmp [di+preboot_mtrr-preboot_graph], 1 |
465 | adc [di+preboot_mtrr-preboot_graph], 0 |
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466 | cmp [di+preboot_vrrm-preboot_graph], 1 |
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467 | adc [di+preboot_vrrm-preboot_graph], 0 |
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468 | cmp [di+preboot_device-preboot_graph], 1 |
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469 | adc [di+preboot_device-preboot_graph], 0 |
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29 | halyavin | 470 | ; notify user |
76 | mario79 | 471 | mov si, linef-0x10000 |
472 | call print |
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473 | mov si, start_msg-0x10000 |
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474 | call print |
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475 | mov si, time_msg-0x10000 |
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476 | call print |
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29 | halyavin | 477 | ; get start time |
76 | mario79 | 478 | call .gettime |
479 | mov [.starttime-0x10000], eax |
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82 | halyavin | 480 | mov word [.timer-0x10000], .newtimer |
76 | mario79 | 481 | mov word [.timer-0x10000+2], cs |
29 | halyavin | 482 | .printcfg: |
76 | mario79 | 483 | _setcursor 9,0 |
484 | mov si, current_cfg_msg-0x10000 |
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485 | call print |
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486 | mov si, curvideo_msg-0x10000 |
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487 | call print |
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488 | mov al, [preboot_graph-0x10000] |
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489 | cmp al, 8 |
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490 | ja .pnovesa |
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491 | mov dl, al |
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492 | and eax, 3 |
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493 | mov si, [modes_msg-0x10000+eax*2] |
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494 | call printplain |
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495 | mov si, modevesa20-0x10000 |
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496 | cmp dl, 4 |
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497 | jbe @f |
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498 | mov si, modevesa12-0x10000 |
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29 | halyavin | 499 | @@: |
76 | mario79 | 500 | call printplain |
501 | cmp dl, 4 |
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502 | ja .x |
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503 | mov si, probeno_msg-0x10000 |
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504 | cmp [preboot_gprobe-0x10000], 2 |
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505 | jnz @f |
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506 | mov si, probeok_msg-0x10000 |
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29 | halyavin | 507 | @@: |
76 | mario79 | 508 | call printplain |
29 | halyavin | 509 | .x: |
76 | mario79 | 510 | jmp .c |
29 | halyavin | 511 | .pnovesa: |
76 | mario79 | 512 | cmp al, 9 |
513 | mov si, mode9-0x10000 |
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514 | jz @b |
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515 | mov si, mode10-0x10000 |
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516 | jmp @b |
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29 | halyavin | 517 | .c: |
76 | mario79 | 518 | mov si, linef-0x10000 |
519 | call printplain |
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520 | mov si, mtrr_msg-0x10000 |
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521 | cmp [preboot_mtrr-0x10000], 1 |
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522 | call .say_on_off |
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523 | mov si, vrrm_msg-0x10000 |
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524 | cmp [preboot_vrrm-0x10000], 1 |
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525 | call .say_on_off |
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526 | mov si, preboot_device_msg-0x10000 |
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527 | call print |
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528 | mov al, [preboot_device-0x10000] |
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529 | and eax, 3 |
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530 | mov si, [preboot_device_msgs-0x10000+eax*2] |
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531 | call printplain |
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29 | halyavin | 532 | .wait: |
76 | mario79 | 533 | _setcursor 25,0 ; out of screen |
34 | halyavin | 534 | ; set timer interrupt handler |
76 | mario79 | 535 | cli |
536 | push 0 |
||
537 | pop es |
||
538 | mov eax, [es:8*4] |
||
539 | mov [.oldtimer-0x10000], eax |
||
540 | mov eax, [.timer-0x10000] |
||
541 | mov [es:8*4], eax |
||
542 | sti |
||
29 | halyavin | 543 | ; wait for keypressed |
76 | mario79 | 544 | mov ah, 0 |
545 | int 16h |
||
546 | push ax |
||
29 | halyavin | 547 | ; restore timer interrupt |
76 | mario79 | 548 | push 0 |
549 | pop es |
||
550 | mov eax, [.oldtimer-0x10000] |
||
551 | mov [es:8*4], eax |
||
552 | mov [.timer-0x10000], eax |
||
553 | _setcursor 7,0 |
||
554 | mov si, space_msg-0x10000 |
||
555 | call printplain |
||
556 | pop ax |
||
29 | halyavin | 557 | ; switch on key |
76 | mario79 | 558 | cmp al, 13 |
559 | jz .continue |
||
560 | or al, 20h |
||
561 | cmp al, 'a' |
||
562 | jz .change_a |
||
563 | cmp al, 'b' |
||
564 | jz .change_b |
||
565 | cmp al, 'c' |
||
566 | jz .change_c |
||
567 | cmp al, 'd' |
||
568 | jnz .wait |
||
569 | _setcursor 15,0 |
||
570 | mov si,bdev-0x10000 |
||
571 | call print |
||
572 | mov bx,'13' |
||
573 | call getkey |
||
574 | mov [preboot_device-0x10000], al |
||
575 | _setcursor 13,0 |
||
29 | halyavin | 576 | .d: |
76 | mario79 | 577 | mov [.bSettingsChanged-0x10000], 1 |
578 | mov si, space_msg-0x10000 |
||
579 | call printplain |
||
580 | _setcursor 15,0 |
||
581 | mov cx, 6 |
||
29 | halyavin | 582 | @@: |
76 | mario79 | 583 | call printplain |
584 | loop @b |
||
585 | jmp .printcfg |
||
29 | halyavin | 586 | .change_a: |
76 | mario79 | 587 | _setcursor 15,0 |
588 | mov si, gr_mode-0x10000 |
||
589 | call printplain |
||
590 | mov bx, '09' |
||
591 | call getkey |
||
592 | mov [preboot_graph-0x10000], al |
||
593 | cmp al, 4 |
||
594 | ja @f |
||
595 | mov si, probetext-0x10000 |
||
596 | call printplain |
||
597 | mov bx, '12' |
||
598 | call getkey |
||
599 | mov [preboot_gprobe-0x10000], al |
||
29 | halyavin | 600 | @@: |
76 | mario79 | 601 | _setcursor 10,0 |
602 | jmp .d |
||
29 | halyavin | 603 | .change_b: |
76 | mario79 | 604 | _setcursor 15,0 |
605 | mov si, gr_acc-0x10000 |
||
606 | call print |
||
607 | mov bx, '12' |
||
608 | call getkey |
||
609 | mov [preboot_mtrr-0x10000], al |
||
610 | _setcursor 11,0 |
||
611 | jmp .d |
||
29 | halyavin | 612 | .change_c: |
76 | mario79 | 613 | _setcursor 15,0 |
614 | mov si, vrrmprint-0x10000 |
||
615 | call print |
||
616 | mov bx, '12' |
||
617 | call getkey |
||
618 | mov [preboot_vrrm-0x10000], al |
||
619 | _setcursor 12,0 |
||
620 | jmp .d |
||
40 | halyavin | 621 | .say_on_off: |
76 | mario79 | 622 | pushf |
623 | call print |
||
624 | mov si, on_msg-0x10000 |
||
625 | popf |
||
626 | jz @f |
||
627 | mov si, off_msg-0x10000 |
||
628 | @@: call printplain |
||
629 | ret |
||
40 | halyavin | 630 | ; novesa and vervesa strings are not used at the moment of executing this code |
631 | virtual at novesa |
||
29 | halyavin | 632 | .oldtimer dd ? |
633 | .starttime dd ? |
||
634 | .bSettingsChanged db ? |
||
34 | halyavin | 635 | .timer dd ? |
40 | halyavin | 636 | end virtual |
82 | halyavin | 637 | org $+0x10000 |
29 | halyavin | 638 | .loader_block dd 0 |
82 | halyavin | 639 | org $-0x10000 |
29 | halyavin | 640 | .gettime: |
76 | mario79 | 641 | mov ah, 0 |
642 | int 1Ah |
||
643 | xchg ax, cx |
||
644 | shl eax, 10h |
||
645 | xchg ax, dx |
||
646 | ret |
||
29 | halyavin | 647 | .newtimer: |
76 | mario79 | 648 | push ds |
649 | push cs |
||
650 | pop ds |
||
651 | pushf |
||
652 | call [.oldtimer-0x10000] |
||
653 | pushad |
||
654 | call .gettime |
||
655 | sub eax, [.starttime-0x10000] |
||
656 | sub ax, 18*5 |
||
657 | jae .timergo |
||
658 | neg ax |
||
659 | add ax, 18-1 |
||
660 | mov bx, 18 |
||
661 | xor dx, dx |
||
662 | div bx |
||
29 | halyavin | 663 | if lang eq ru |
664 | ; Ї®¤®¦¤ЁвҐ 5 ᥪг¤, 4/3/2 ᥪг¤л, 1 ᥪг¤г |
||
76 | mario79 | 665 | cmp al, 5 |
666 | mov cl, ' ' |
||
667 | jae @f |
||
668 | cmp al, 1 |
||
669 | mov cl, 'г' |
||
670 | jz @f |
||
671 | mov cl, 'л' |
||
672 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 673 | else |
674 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 675 | cmp al, 1 |
676 | mov cl, 's' |
||
677 | ja @f |
||
678 | mov cl, ' ' |
||
679 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 680 | end if |
76 | mario79 | 681 | add al, '0' |
682 | mov [time_str+1-0x10000], al |
||
683 | mov si, time_msg-0x10000 |
||
684 | _setcursor 7,0 |
||
685 | call print |
||
686 | _setcursor 25,0 |
||
687 | popad |
||
688 | pop ds |
||
689 | iret |
||
29 | halyavin | 690 | .timergo: |
76 | mario79 | 691 | push 0 |
692 | pop es |
||
693 | mov eax, [.oldtimer-0x10000] |
||
694 | mov [es:8*4], eax |
||
695 | mov sp, 0EC00h |
||
29 | halyavin | 696 | .continue: |
76 | mario79 | 697 | sti |
698 | _setcursor 6,0 |
||
699 | mov si, space_msg-0x10000 |
||
700 | call printplain |
||
701 | call printplain |
||
702 | _setcursor 6,0 |
||
703 | mov si, loading_msg-0x10000 |
||
704 | call print |
||
705 | _setcursor 15,0 |
||
706 | cmp [.bSettingsChanged-0x10000], 0 |
||
707 | jz .load |
||
708 | cmp [.loader_block-0x10000], 0 |
||
709 | jz .load |
||
710 | les bx, [.loader_block-0x10000] |
||
711 | mov eax, [es:bx+3] |
||
712 | push ds |
||
713 | pop es |
||
714 | test eax, eax |
||
715 | jz .load |
||
716 | push eax |
||
717 | mov si, save_quest-0x10000 |
||
718 | call print |
||
29 | halyavin | 719 | .waityn: |
76 | mario79 | 720 | mov ah, 0 |
721 | int 16h |
||
722 | or al, 20h |
||
723 | cmp al, 'n' |
||
724 | jz .loadc |
||
725 | cmp al, 'y' |
||
726 | jnz .waityn |
||
727 | call putchar |
||
728 | mov byte [space_msg-0x10000+80], 186 |
||
729 | pop eax |
||
730 | push cs |
||
82 | halyavin | 731 | push .cont |
76 | mario79 | 732 | push eax |
733 | retf |
||
29 | halyavin | 734 | .loadc: |
76 | mario79 | 735 | pop eax |
29 | halyavin | 736 | .cont: |
76 | mario79 | 737 | push cs |
738 | pop ds |
||
739 | mov si, space_msg-0x10000 |
||
740 | mov byte [si+80], 0 |
||
741 | _setcursor 15,0 |
||
742 | call printplain |
||
743 | _setcursor 15,0 |
||
29 | halyavin | 744 | .load: |
745 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 746 | |
747 | ; ASK GRAPHICS MODE |
||
748 | |||
76 | mario79 | 749 | movzx ax, [preboot_graph-0x10000] |
750 | push 0 |
||
751 | pop es |
||
29 | halyavin | 752 | ; address is gr_table+6*(ax-1)-0x10000 |
76 | mario79 | 753 | add ax, ax |
754 | lea si, [gr_table-0x10000 + eax + eax*2 - 6] |
||
29 | halyavin | 755 | mov bx,[si+0] |
756 | mov cx,[si+2] |
||
757 | mov dx,[si+4] |
||
76 | mario79 | 758 | cmp al, 9*2 |
759 | mov al, 32 ; BPP |
||
760 | jb @f |
||
761 | mov [es:0x9000], al |
||
762 | mov dword [es:0x9018], 0x800000 |
||
29 | halyavin | 763 | @@: |
1 | ha | 764 | mov [es:0x9008],bx |
765 | mov [es:0x900A],cx |
||
766 | mov [es:0x900C],dx |
||
76 | mario79 | 767 | test bh, bh |
768 | jz nov |
||
1 | ha | 769 | |
770 | ; USE DEFAULTS OR PROBE |
||
771 | |||
772 | ; bx - mode : cx - x size : dx - y size |
||
76 | mario79 | 773 | cmp [preboot_gprobe-0x10000], 1 |
774 | jz noprobe |
||
1 | ha | 775 | |
776 | mov bx,0x100 |
||
777 | newprobe: |
||
778 | inc bx |
||
779 | cmp bx,0x17f |
||
76 | mario79 | 780 | mov si,prnotfnd-0x10000 |
781 | jz sayerr |
||
1 | ha | 782 | |
783 | probemore: |
||
76 | mario79 | 784 | push cx |
1 | ha | 785 | mov ax,0x4f01 |
786 | mov cx,bx |
||
787 | and cx,0xfff |
||
788 | mov di,0xa000 |
||
789 | int 0x10 |
||
76 | mario79 | 790 | pop cx |
1 | ha | 791 | |
76 | mario79 | 792 | test byte [es:di], 80h ; lfb? |
793 | jz newprobe |
||
794 | cmp [es:di+0x12], cx ; x size? |
||
795 | jnz newprobe |
||
796 | cmp [es:di+0x14], dx ; y size? |
||
797 | jnz newprobe |
||
798 | cmp byte [es:di+0x19], 32 ;24 |
||
799 | jb newprobe |
||
1 | ha | 800 | |
40 | halyavin | 801 | ; add bx,0100000000000000b |
76 | mario79 | 802 | or bh, 40h |
1 | ha | 803 | mov [es:0x9008],bx |
804 | |||
805 | noprobe: |
||
806 | |||
807 | |||
808 | ; FIND VESA 2.0 LFB & BPP |
||
809 | |||
810 | mov ax,0x4f01 |
||
811 | mov cx,bx |
||
812 | and cx,0xfff |
||
813 | mov di,0xa000 |
||
814 | int 0x10 |
||
815 | ; LFB |
||
40 | halyavin | 816 | mov eax,[es:di+0x28] |
817 | mov [es:0x9018],eax |
||
1 | ha | 818 | ; ---- vbe voodoo |
819 | BytesPerScanLine equ 0x10 |
||
820 | mov ax, [es:di+BytesPerScanLine] |
||
821 | mov [es:0x9001],ax |
||
29 | halyavin | 822 | ; BPP |
40 | halyavin | 823 | mov al,byte [es:di+0x19] |
29 | halyavin | 824 | mov [es:0x9000],al |
1 | ha | 825 | nov: |
40 | halyavin | 826 | cmp al,24 |
76 | mario79 | 827 | mov si,bt24-0x10000 |
828 | jz bppl |
||
40 | halyavin | 829 | cmp al,32 |
1 | ha | 830 | mov si,bt32-0x10000 |
29 | halyavin | 831 | jz bppl |
1 | ha | 832 | mov si,btns-0x10000 |
76 | mario79 | 833 | jmp sayerr |
40 | halyavin | 834 | bppl: |
1 | ha | 835 | call print |
836 | |||
837 | |||
838 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
839 | |||
76 | mario79 | 840 | push es |
1 | ha | 841 | mov ax,0x4f0A |
76 | mario79 | 842 | xor bx, bx |
1 | ha | 843 | int 0x10 |
844 | xor eax,eax |
||
845 | mov ax,es |
||
846 | shl eax,4 |
||
29 | halyavin | 847 | movzx ebx,di |
1 | ha | 848 | add eax,ebx |
849 | mov bx,[es:di] |
||
850 | add eax,ebx |
||
851 | pop es |
||
852 | mov [es:0x9014],eax |
||
853 | |||
854 | |||
855 | ; GRAPHICS ACCELERATION |
||
856 | |||
29 | halyavin | 857 | mov al, [preboot_mtrr-0x10000] |
1 | ha | 858 | mov [es:0x901C],al |
859 | |||
860 | ; VRR_M USE |
||
861 | |||
29 | halyavin | 862 | mov al,[preboot_vrrm-0x10000] |
1 | ha | 863 | mov [es:0x9030],al |
864 | |||
865 | |||
866 | ; MEMORY MODEL |
||
867 | |||
868 | ; movzx eax,byte [es:preboot_memory-0x10000] |
||
869 | ; cmp eax,0 |
||
870 | ; jne pre_mem |
||
871 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
872 | ; mario79 - memory size ; |
||
873 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
874 | ; mov ax,0E801h |
||
875 | ;;; xor bx,bx ; thanks to Alexei for bugfix [18.07.2004] |
||
876 | ; xor cx, cx |
||
877 | ; xor dx, dx |
||
878 | ; int 0x15 |
||
879 | ; movzx ebx, dx ;bx |
||
880 | ; movzx eax, cx ;ax |
||
881 | ; shl ebx,6 ; перевод в килобайты (x64) |
||
882 | ; add eax,ebx |
||
883 | ; add eax, 1000h ;440h |
||
884 | ; cmp eax,40000h ; 256? |
||
885 | ; jge mem_256_z |
||
886 | ; cmp eax,20000h ; 128? |
||
887 | ; jge mem_128_z |
||
888 | ; cmp eax,10000h ; 64? |
||
889 | ; jge mem_64_z |
||
890 | ; cmp eax,8000h ; 32? |
||
891 | ; jge mem_32_z |
||
892 | ; jmp mem_16_z |
||
893 | ; |
||
894 | ;mem_256_z: mov si,memokz256-0x10000 |
||
895 | ; call printplain |
||
896 | ; mov eax,5 |
||
897 | ; jmp pre_mem |
||
898 | ;mem_128_z: mov si,memokz128-0x10000 |
||
899 | ; call printplain |
||
900 | ; mov eax,4 |
||
901 | ; jmp pre_mem |
||
902 | ;mem_64_z: mov si,memokz64-0x10000 |
||
903 | ; call printplain |
||
904 | ; mov eax,3 |
||
905 | ; jmp pre_mem |
||
906 | ;mem_32_z: mov si,memokz32-0x10000 |
||
907 | ; call printplain |
||
908 | ; mov eax,2 |
||
909 | ; jmp pre_mem |
||
910 | ;mem_16_z: mov si,memokz16-0x10000 |
||
911 | ; call printplain |
||
912 | ; mov eax,1 |
||
913 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
914 | ; pre_mem: |
||
915 | ; push word 0x0000 |
||
916 | ; pop es |
||
917 | ; mov [es:0x9030],al |
||
918 | ; push word 0x1000 |
||
919 | ; pop es |
||
920 | ; mov si,linef-0x10000 |
||
921 | ; call printplain |
||
922 | |||
923 | |||
924 | |||
925 | |||
926 | ; DIRECT WRITE TO LFB, PAGING DISABLED |
||
927 | |||
928 | ; movzx eax,byte [es:preboot_lfb-0x10000] |
||
929 | ; mov eax,1 ; paging disabled |
||
930 | ; cmp eax,0 |
||
931 | ; jne pre_lfb |
||
932 | ; mov si,gr_direct-0x10000 |
||
933 | ; call printplain |
||
29 | halyavin | 934 | ; mov ebx,'12' |
1 | ha | 935 | ; call getkey |
936 | ; pre_lfb: |
||
937 | ; push word 0x0000 |
||
938 | ; pop es |
||
939 | ; mov [es:0x901E],al |
||
940 | ; mov ax,0x1000 |
||
941 | ; mov es,ax |
||
942 | ; mov si,linef-0x10000 |
||
943 | ; call printplain |
||
944 | mov [es:0x901E],byte 1 |
||
945 | |||
946 | |||
947 | |||
948 | ; BOOT DEVICE |
||
949 | |||
76 | mario79 | 950 | mov al, [preboot_device-0x10000] |
40 | halyavin | 951 | dec al |
29 | halyavin | 952 | mov [boot_dev-0x10000],al |
1 | ha | 953 | |
954 | ; READ DISKETTE TO MEMORY |
||
955 | |||
40 | halyavin | 956 | ; cmp [boot_dev-0x10000],0 |
1 | ha | 957 | jne no_sys_on_floppy |
958 | mov si,diskload-0x10000 |
||
959 | call print |
||
76 | mario79 | 960 | xor ax, ax ; reset drive |
961 | xor dx, dx |
||
1 | ha | 962 | int 0x13 |
963 | mov cx,0x0001 ; startcyl,startsector |
||
76 | mario79 | 964 | xor dx, dx ; starthead,drive |
1 | ha | 965 | push word 80*2 ; read no of sect |
966 | reads: |
||
967 | pusha |
||
968 | xor si,si |
||
969 | newread: |
||
970 | mov bx,0xa000 ; es:bx -> data area |
||
971 | mov ax,0x0200+18 ; read, no of sectors to read |
||
972 | int 0x13 |
||
76 | mario79 | 973 | test ah, ah |
1 | ha | 974 | jz goodread |
76 | mario79 | 975 | inc si |
1 | ha | 976 | cmp si,10 |
977 | jnz newread |
||
978 | mov si,badsect-0x10000 |
||
40 | halyavin | 979 | sayerr_plain: |
1 | ha | 980 | call printplain |
981 | jmp $ |
||
982 | goodread: |
||
983 | ; move -> 1mb |
||
984 | mov si,movedesc-0x10000 |
||
76 | mario79 | 985 | push es |
986 | push ds |
||
1 | ha | 987 | pop es |
988 | mov cx,256*18 |
||
989 | mov ah,0x87 |
||
990 | int 0x15 |
||
76 | mario79 | 991 | pop es |
1 | ha | 992 | |
29 | halyavin | 993 | test ah,ah ; was the move successfull ? |
1 | ha | 994 | je goodmove |
995 | mov dx,0x3f2 ; floppy motor off |
||
996 | mov al,0 |
||
997 | out dx,al |
||
998 | mov si,memmovefailed-0x10000 |
||
76 | mario79 | 999 | jmp sayerr_plain |
1 | ha | 1000 | goodmove: |
1001 | |||
76 | mario79 | 1002 | add dword [movedesc-0x10000+0x18+2], 512*18 |
1 | ha | 1003 | popa |
1004 | inc dh |
||
1005 | cmp dh,2 |
||
1006 | jnz bb2 |
||
1007 | mov dh,0 |
||
1008 | inc ch |
||
1009 | pusha ; print prosentage |
||
1010 | mov si,pros-0x10000 |
||
76 | mario79 | 1011 | shr ch, 2 |
1012 | mov al, '5' |
||
1013 | test ch, 1 |
||
1014 | jnz @f |
||
1015 | mov al, '0' |
||
29 | halyavin | 1016 | @@: |
76 | mario79 | 1017 | mov [si+1], al |
1018 | shr ch, 1 |
||
1019 | add ch, '0' |
||
1020 | mov [si], ch |
||
1 | ha | 1021 | call printplain |
1022 | popa |
||
1023 | bb2: |
||
1024 | pop ax |
||
1025 | dec ax |
||
1026 | push ax |
||
29 | halyavin | 1027 | jnz reads |
1 | ha | 1028 | readdone: |
1029 | pop ax |
||
40 | halyavin | 1030 | mov si,backspace2-0x10000 |
1 | ha | 1031 | call printplain |
1032 | mov si,okt-0x10000 |
||
1033 | call printplain |
||
1034 | no_sys_on_floppy: |
||
76 | mario79 | 1035 | xor ax, ax ; reset drive |
1036 | xor dx, dx |
||
1 | ha | 1037 | int 0x13 |
1038 | mov dx,0x3f2 ; floppy motor off |
||
1039 | mov al,0 |
||
29 | halyavin | 1040 | out dx,al |
1 | ha | 1041 | |
76 | mario79 | 1042 | push es |
1 | ha | 1043 | ; PAGE TABLE |
1044 | |||
76 | mario79 | 1045 | push dword [es:0x9018] |
1 | ha | 1046 | |
1047 | map_mem equ 64 ; amount of memory to map |
||
1048 | |||
76 | mario79 | 1049 | push 0x6000 |
1050 | pop es ; es:di = 6000:0 |
||
29 | halyavin | 1051 | xor di,di |
1052 | mov cx,256*map_mem ; Map (mapmem) M |
||
40 | halyavin | 1053 | ; initialize as identity mapping |
76 | mario79 | 1054 | xor eax, eax |
1055 | call pagetable_set |
||
40 | halyavin | 1056 | |
1 | ha | 1057 | |
1058 | ; 4 KB PAGE DIRECTORY |
||
1059 | |||
76 | mario79 | 1060 | push 0x7F00 |
1061 | pop es ; es:di = 7F00:0 |
||
29 | halyavin | 1062 | xor di, di |
1063 | mov cx, 64 / 4 |
||
1 | ha | 1064 | mov eax, 0x60007 ; for 0 M |
76 | mario79 | 1065 | call pagetable_set |
29 | halyavin | 1066 | xor si,si |
1067 | mov di,second_base_address shr 20 |
||
40 | halyavin | 1068 | mov cx,64/2 |
1069 | rep movs word [es:di], [es:si] |
||
1 | ha | 1070 | |
1071 | mov eax, 0x7F000 +8+16 ; Page directory and enable caches |
||
1072 | mov cr3, eax |
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1073 | |||
1074 | ; SET GRAPHICS |
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1075 | |||
76 | mario79 | 1076 | pop es |
1077 | mov ax,[es:0x9008] ; vga & 320x200 |
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1078 | mov bx, ax |
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1 | ha | 1079 | cmp ax,0x13 |
1080 | je setgr |
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1081 | cmp ax,0x12 |
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1082 | je setgr |
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1083 | mov ax,0x4f02 ; Vesa |
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1084 | setgr: |
||
1085 | int 0x10 |
||
76 | mario79 | 1086 | test ah,ah |
1087 | mov si, fatalsel-0x10000 |
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1088 | jnz sayerr |
||
1 | ha | 1089 | ; set mode 0x12 graphics registers: |
1090 | cmp bx,0x12 |
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1091 | jne gmok2 |
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1092 | |||
1093 | mov al,0x05 |
||
1094 | mov dx,0x03ce |
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40 | halyavin | 1095 | push dx |
1 | ha | 1096 | out dx,al ; select GDC mode register |
1097 | mov al,0x02 |
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76 | mario79 | 1098 | inc dx |
1 | ha | 1099 | out dx,al ; set write mode 2 |
1100 | |||
1101 | mov al,0x02 |
||
1102 | mov dx,0x03c4 |
||
1103 | out dx,al ; select VGA sequencer map mask register |
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1104 | mov al,0x0f |
||
76 | mario79 | 1105 | inc dx |
1 | ha | 1106 | out dx,al ; set mask for all planes 0-3 |
1107 | |||
1108 | mov al,0x08 |
||
76 | mario79 | 1109 | pop dx |
1 | ha | 1110 | out dx,al ; select GDC bit mask register |
1111 | ; for writes to 0x03cf |
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1112 | |||
1113 | gmok2: |
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76 | mario79 | 1114 | push ds |
1115 | pop es |