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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: |
76 | mario79 | 143 | or al, 7 |
40 | halyavin | 144 | @@: |
76 | mario79 | 145 | stosd |
146 | add eax, 1000h |
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147 | loop @b |
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148 | ret |
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40 | halyavin | 149 | |
29 | halyavin | 150 | ; 16-bit data |
151 | ; videomodes table |
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82 | halyavin | 152 | org $+0x10000 |
29 | halyavin | 153 | gr_table: |
76 | mario79 | 154 | dw 0x112+0100000000000000b , 640 , 480 ; 1 |
155 | dw 0x115+0100000000000000b , 800 , 600 ; 2 |
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156 | dw 0x118+0100000000000000b , 1024 , 768 ; 3 |
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157 | dw 0x11B+0100000000000000b , 1280 , 1024 ; 4 |
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158 | dw 0x112 , 640 , 480 ; 5 |
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159 | dw 0x115 , 800 , 600 ; 6 |
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160 | dw 0x118 , 1024 , 768 ; 7 |
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161 | dw 0x11B , 1280 ,1024 ; 8 |
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89 | diamond | 162 | dw 0x13, 640, 480 ; 9 |
76 | mario79 | 163 | dw 0x12, 640, 480 ; 0 |
29 | halyavin | 164 | |
165 | ; table for move to extended memory (int 15h, ah=87h) |
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166 | movedesc: |
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167 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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168 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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169 | |||
170 | db 0xff,0xff,0x0,0xa0,0x00,0x93,0x0,0x0 |
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171 | db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0 |
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172 | |||
173 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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174 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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175 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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176 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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82 | halyavin | 177 | org $-0x10000 |
29 | halyavin | 178 | |
1 | ha | 179 | ;========================================================================= |
180 | ; |
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181 | ; 16 BIT CODE |
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182 | ; |
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183 | ;========================================================================= |
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184 | |||
185 | |||
186 | start_of_code: |
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76 | mario79 | 187 | cld |
29 | halyavin | 188 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 189 | cmp ax, 'KL' |
190 | jnz @f |
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191 | mov word [cs:cfgmanager.loader_block-0x10000], si |
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192 | mov word [cs:cfgmanager.loader_block+2-0x10000], ds |
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29 | halyavin | 193 | @@: |
194 | ; \end{diamond}[02.12.2005] |
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1 | ha | 195 | |
29 | halyavin | 196 | ; set up stack |
76 | mario79 | 197 | mov ax, 3000h |
198 | mov ss, ax |
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199 | mov sp, 0EC00h |
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29 | halyavin | 200 | ; set up segment registers |
76 | mario79 | 201 | push cs |
202 | pop ds |
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203 | push cs |
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204 | pop es |
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1 | ha | 205 | |
29 | halyavin | 206 | ; set videomode |
76 | mario79 | 207 | mov ax, 3 |
1 | ha | 208 | int 0x10 |
209 | |||
210 | ; Load & set russian VGA font (RU.INC) |
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211 | mov bp,RU_FNT1-10000h ; RU_FNT1 - First part |
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212 | mov bx,1000h ; 768 bytes |
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213 | mov cx,30h ; 48 symbols |
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214 | mov dx,80h ; 128 - position of first symbol |
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215 | mov ax,1100h |
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216 | int 10h |
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217 | |||
218 | mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part |
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219 | mov bx,1000h ; 512 bytes |
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220 | mov cx,20h ; 32 symbols |
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221 | mov dx,0E0h ; 224 - position of first symbol |
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222 | mov ax,1100h |
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223 | int 10h |
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224 | ; End set VGA russian font |
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225 | |||
29 | halyavin | 226 | ; draw frames |
76 | mario79 | 227 | push 0xb800 |
228 | pop es |
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229 | xor di, di |
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29 | halyavin | 230 | ; mov si,d80x25-0x10000 |
231 | ; mov cx,80*25 |
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232 | ; mov ah,1*16+15 |
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233 | ; dfl1: |
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234 | ; lodsb |
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235 | ; stosw |
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236 | ; loop dfl1 |
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76 | mario79 | 237 | mov ah, 1*16+15 |
29 | halyavin | 238 | ; draw top |
76 | mario79 | 239 | mov si, d80x25_top - 0x10000 |
240 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 241 | @@: |
76 | mario79 | 242 | lodsb |
243 | stosw |
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244 | loop @b |
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29 | halyavin | 245 | ; draw spaces |
76 | mario79 | 246 | mov si, space_msg - 0x10000 |
247 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 248 | dfl1: |
76 | mario79 | 249 | push cx |
250 | push si |
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251 | mov cx, 80 |
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29 | halyavin | 252 | @@: |
76 | mario79 | 253 | lodsb |
254 | stosw |
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255 | loop @b |
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256 | pop si |
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257 | pop cx |
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258 | loop dfl1 |
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29 | halyavin | 259 | ; draw bottom |
76 | mario79 | 260 | mov si, d80x25_bottom - 0x10000 |
261 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 262 | @@: |
76 | mario79 | 263 | lodsb |
264 | stosw |
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265 | loop @b |
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1 | ha | 266 | |
76 | mario79 | 267 | mov byte [space_msg-0x10000+80], 0 ; now space_msg is null terminated |
1 | ha | 268 | |
76 | mario79 | 269 | _setcursor d80x25_top_num,0 |
1 | ha | 270 | |
271 | |||
272 | ; TEST FOR 386+ |
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273 | |||
76 | mario79 | 274 | mov bx, 0x4000 |
1 | ha | 275 | pushf |
276 | pop ax |
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277 | mov dx,ax |
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29 | halyavin | 278 | xor ax,bx |
1 | ha | 279 | push ax |
280 | popf |
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281 | pushf |
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282 | pop ax |
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29 | halyavin | 283 | and ax,bx |
284 | and dx,bx |
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1 | ha | 285 | cmp ax,dx |
286 | jnz cpugood |
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287 | mov si,not386-0x10000 |
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40 | halyavin | 288 | sayerr: |
1 | ha | 289 | call print |
290 | jmp $ |
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291 | cpugood: |
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292 | |||
29 | halyavin | 293 | ; set up esp |
76 | mario79 | 294 | movzx esp, sp |
1 | ha | 295 | |
296 | ; FLUSH 8042 KEYBOARD CONTROLLER |
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297 | |||
298 | ;// mike.dld [ |
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299 | ; mov al,0xED |
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300 | ; out 0x60,al |
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301 | ; or cx,-1 |
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302 | ; @@: |
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303 | ; in al,0x64 |
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304 | ; test al,2 |
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305 | ; jz @f |
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306 | ; loop @b |
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307 | ; @@: |
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308 | ; mov al,0 |
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309 | ; out 0x60,al |
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310 | ; or cx,-1 |
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311 | ; @@: |
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312 | ; in al,0x64 |
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313 | ; test al,2 |
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314 | ; jz @f |
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315 | ; loop @b |
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316 | ; @@: |
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317 | ;// mike.dld ] |
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318 | |||
319 | ; mov ecx,10000 |
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320 | ; fl1: |
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321 | ; in al,0x64 |
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322 | ; loop fl1 |
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323 | ; test al,1 |
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324 | ; jz fl2 |
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325 | ; in al,0x60 |
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326 | ; jmp fl1 |
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327 | ; fl2: |
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328 | |||
329 | ;**************************************************************** |
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330 | ; The function is modified Mario79 |
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331 | ;***************************************************************** |
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332 | ; wait_kbd: ; variant 1 |
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333 | ; mov cx,2500h ;çàäåðæêà ïîðÿäêà 10 ìñåê |
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334 | ; test_kbd: |
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335 | ; in al,64h ;÷èòàåì ñîñòîÿíèå êëàâèàòóðû |
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336 | ; test al,2 ;ïðîâåðêà áèòà ãîòîâíîñòè |
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337 | ; loopnz test_kbd |
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338 | |||
339 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
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340 | out 0x60,al |
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29 | halyavin | 341 | xor cx,cx |
1 | ha | 342 | wait_loop: ; variant 2 |
343 | ; reading state of port of 8042 controller |
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344 | in al,64h |
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345 | and al,00000010b ; ready flag |
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346 | ; wait until 8042 controller is ready |
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347 | loopnz wait_loop |
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348 | |||
76 | mario79 | 349 | ; --------------- APM --------------------- |
350 | push 0 |
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351 | pop es |
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352 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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353 | mov ax, 0x5300 |
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354 | xor bx, bx |
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355 | int 0x15 |
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356 | jc apm_end ; APM not found |
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357 | test cx, 2 |
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358 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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359 | mov [es : 0x9044], ax ; Save APM Version |
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360 | mov [es : 0x9046], cx ; Save APM flags |
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361 | |||
362 | ; Write APM ver ---- |
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82 | halyavin | 363 | and ax, 0xf0f |
76 | mario79 | 364 | add ax, '00' |
82 | halyavin | 365 | mov si, msg_apm - 0x10000 |
366 | mov [si + 5], ah |
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367 | mov [si + 7], al |
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76 | mario79 | 368 | _setcursor 0, 3 |
369 | call printplain |
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370 | _setcursor d80x25_top_num,0 |
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371 | ; ------------------ |
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372 | |||
373 | mov ax, 0x5304 ; Disconnect interface |
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374 | xor bx, bx |
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375 | int 0x15 |
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376 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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377 | xor bx, bx |
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378 | int 0x15 |
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379 | ; init selectors |
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380 | movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
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381 | shl eax, 4 |
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382 | mov [apm_code_32 - 0x10000 + 2], ax |
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383 | shr eax, 16 |
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384 | mov [apm_code_32 - 0x10000 + 4], al |
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385 | movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
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386 | shl ecx, 4 |
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387 | mov [apm_code_16 - 0x10000 + 2], cx |
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388 | shr ecx, 16 |
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389 | mov [apm_code_16 - 0x10000 + 4], cl |
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390 | movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
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391 | shl edx, 4 |
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392 | mov [apm_data_16 - 0x10000 + 2], dx |
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393 | shr edx, 16 |
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394 | mov [apm_data_16 - 0x10000 + 4], dl |
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395 | mov [es : 0x9040], ebx ; offset of APM entry point |
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396 | apm_end: |
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397 | ; ----------------------------------------- |
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398 | |||
1 | ha | 399 | ; DISPLAY VESA INFORMATION |
400 | |||
76 | mario79 | 401 | push 0 |
402 | pop es |
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1 | ha | 403 | mov ax,0x4f00 |
404 | mov di,0xa000 |
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405 | int 0x10 |
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406 | cmp ax,0x004f |
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76 | mario79 | 407 | mov si, novesa-0x10000 |
408 | jnz @f |
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1 | ha | 409 | mov ax,[es:di+4] |
410 | add ax,'0'*256+'0' |
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76 | mario79 | 411 | mov si,vervesa-0x10000 |
40 | halyavin | 412 | mov [si+vervesa_off], ah |
413 | mov [si+vervesa_off+2], al |
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29 | halyavin | 414 | @@: call print |
1 | ha | 415 | |
29 | halyavin | 416 | ; \begin{diamond}[30.11.2005] |
417 | cfgmanager: |
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418 | ; settings: |
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419 | ; a) preboot_graph = graphical mode |
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420 | ; preboot_gprobe = probe this mode? |
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421 | ; b) preboot_mtrr = use hardware acceleration? |
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422 | ; c) preboot_vrrm = use VRR? |
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423 | ; d) preboot_device = from what boot? |
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76 | mario79 | 424 | mov di, preboot_graph-0x10000 |
29 | halyavin | 425 | ; check bootloader block |
76 | mario79 | 426 | cmp [.loader_block-0x10000], 0 |
427 | jz .noloaderblock |
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428 | les bx, [.loader_block-0x10000] |
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429 | cmp byte [es:bx], 1 |
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430 | mov si, loader_block_error-0x10000 |
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431 | jnz sayerr |
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432 | test byte [es:bx+1], 1 |
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433 | jz @f |
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29 | halyavin | 434 | ; image in memory present |
76 | mario79 | 435 | cmp [di+preboot_device-preboot_graph], 0 |
436 | jnz @f |
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437 | mov [di+preboot_device-preboot_graph], 3 |
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29 | halyavin | 438 | @@: |
439 | .noloaderblock: |
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440 | ; determine default settings |
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76 | mario79 | 441 | mov [.bSettingsChanged-0x10000], 0 |
442 | cmp byte [di], 0 |
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443 | jnz .preboot_gr_end |
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444 | mov [di+preboot_gprobe-preboot_graph], 0 |
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445 | mov al, [vervesa+vervesa_off-0x10000] |
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446 | cmp al, 'x' |
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447 | jz .novesa |
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448 | cmp al, '1' |
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449 | jz .vesa12 |
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450 | mov [di+preboot_gprobe-preboot_graph], 2 |
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451 | mov al, 3 |
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452 | jmp @f |
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29 | halyavin | 453 | .vesa12: |
76 | mario79 | 454 | mov al, 7 |
455 | jmp @f |
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29 | halyavin | 456 | .novesa: |
76 | mario79 | 457 | mov al, 10 |
29 | halyavin | 458 | @@: |
76 | mario79 | 459 | mov [di], al |
29 | halyavin | 460 | .preboot_gr_end: |
76 | mario79 | 461 | cmp [di+preboot_mtrr-preboot_graph], 1 |
462 | adc [di+preboot_mtrr-preboot_graph], 0 |
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463 | cmp [di+preboot_vrrm-preboot_graph], 1 |
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464 | adc [di+preboot_vrrm-preboot_graph], 0 |
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465 | cmp [di+preboot_device-preboot_graph], 1 |
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466 | adc [di+preboot_device-preboot_graph], 0 |
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29 | halyavin | 467 | ; notify user |
76 | mario79 | 468 | mov si, linef-0x10000 |
469 | call print |
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470 | mov si, start_msg-0x10000 |
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471 | call print |
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472 | mov si, time_msg-0x10000 |
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473 | call print |
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29 | halyavin | 474 | ; get start time |
76 | mario79 | 475 | call .gettime |
476 | mov [.starttime-0x10000], eax |
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82 | halyavin | 477 | mov word [.timer-0x10000], .newtimer |
76 | mario79 | 478 | mov word [.timer-0x10000+2], cs |
29 | halyavin | 479 | .printcfg: |
76 | mario79 | 480 | _setcursor 9,0 |
481 | mov si, current_cfg_msg-0x10000 |
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482 | call print |
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483 | mov si, curvideo_msg-0x10000 |
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484 | call print |
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485 | mov al, [preboot_graph-0x10000] |
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486 | cmp al, 8 |
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487 | ja .pnovesa |
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488 | mov dl, al |
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489 | and eax, 3 |
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490 | mov si, [modes_msg-0x10000+eax*2] |
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491 | call printplain |
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492 | mov si, modevesa20-0x10000 |
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493 | cmp dl, 4 |
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494 | jbe @f |
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495 | mov si, modevesa12-0x10000 |
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29 | halyavin | 496 | @@: |
76 | mario79 | 497 | call printplain |
498 | cmp dl, 4 |
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499 | ja .x |
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500 | mov si, probeno_msg-0x10000 |
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501 | cmp [preboot_gprobe-0x10000], 2 |
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502 | jnz @f |
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503 | mov si, probeok_msg-0x10000 |
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29 | halyavin | 504 | @@: |
76 | mario79 | 505 | call printplain |
29 | halyavin | 506 | .x: |
76 | mario79 | 507 | jmp .c |
29 | halyavin | 508 | .pnovesa: |
76 | mario79 | 509 | cmp al, 9 |
510 | mov si, mode9-0x10000 |
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511 | jz @b |
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512 | mov si, mode10-0x10000 |
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513 | jmp @b |
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29 | halyavin | 514 | .c: |
76 | mario79 | 515 | mov si, linef-0x10000 |
516 | call printplain |
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517 | mov si, mtrr_msg-0x10000 |
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518 | cmp [preboot_mtrr-0x10000], 1 |
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519 | call .say_on_off |
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520 | mov si, vrrm_msg-0x10000 |
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521 | cmp [preboot_vrrm-0x10000], 1 |
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522 | call .say_on_off |
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523 | mov si, preboot_device_msg-0x10000 |
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524 | call print |
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525 | mov al, [preboot_device-0x10000] |
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526 | and eax, 3 |
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527 | mov si, [preboot_device_msgs-0x10000+eax*2] |
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528 | call printplain |
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29 | halyavin | 529 | .wait: |
76 | mario79 | 530 | _setcursor 25,0 ; out of screen |
34 | halyavin | 531 | ; set timer interrupt handler |
76 | mario79 | 532 | cli |
533 | push 0 |
||
534 | pop es |
||
535 | mov eax, [es:8*4] |
||
536 | mov [.oldtimer-0x10000], eax |
||
537 | mov eax, [.timer-0x10000] |
||
538 | mov [es:8*4], eax |
||
539 | sti |
||
29 | halyavin | 540 | ; wait for keypressed |
76 | mario79 | 541 | mov ah, 0 |
542 | int 16h |
||
543 | push ax |
||
29 | halyavin | 544 | ; restore timer interrupt |
76 | mario79 | 545 | push 0 |
546 | pop es |
||
547 | mov eax, [.oldtimer-0x10000] |
||
548 | mov [es:8*4], eax |
||
549 | mov [.timer-0x10000], eax |
||
550 | _setcursor 7,0 |
||
551 | mov si, space_msg-0x10000 |
||
552 | call printplain |
||
553 | pop ax |
||
29 | halyavin | 554 | ; switch on key |
76 | mario79 | 555 | cmp al, 13 |
556 | jz .continue |
||
557 | or al, 20h |
||
558 | cmp al, 'a' |
||
559 | jz .change_a |
||
560 | cmp al, 'b' |
||
561 | jz .change_b |
||
562 | cmp al, 'c' |
||
563 | jz .change_c |
||
564 | cmp al, 'd' |
||
565 | jnz .wait |
||
566 | _setcursor 15,0 |
||
567 | mov si,bdev-0x10000 |
||
568 | call print |
||
569 | mov bx,'13' |
||
570 | call getkey |
||
571 | mov [preboot_device-0x10000], al |
||
572 | _setcursor 13,0 |
||
29 | halyavin | 573 | .d: |
76 | mario79 | 574 | mov [.bSettingsChanged-0x10000], 1 |
575 | mov si, space_msg-0x10000 |
||
576 | call printplain |
||
577 | _setcursor 15,0 |
||
578 | mov cx, 6 |
||
29 | halyavin | 579 | @@: |
76 | mario79 | 580 | call printplain |
581 | loop @b |
||
582 | jmp .printcfg |
||
29 | halyavin | 583 | .change_a: |
76 | mario79 | 584 | _setcursor 15,0 |
585 | mov si, gr_mode-0x10000 |
||
586 | call printplain |
||
587 | mov bx, '09' |
||
588 | call getkey |
||
589 | mov [preboot_graph-0x10000], al |
||
590 | cmp al, 4 |
||
591 | ja @f |
||
592 | mov si, probetext-0x10000 |
||
593 | call printplain |
||
594 | mov bx, '12' |
||
595 | call getkey |
||
596 | mov [preboot_gprobe-0x10000], al |
||
29 | halyavin | 597 | @@: |
76 | mario79 | 598 | _setcursor 10,0 |
599 | jmp .d |
||
29 | halyavin | 600 | .change_b: |
76 | mario79 | 601 | _setcursor 15,0 |
602 | mov si, gr_acc-0x10000 |
||
603 | call print |
||
604 | mov bx, '12' |
||
605 | call getkey |
||
606 | mov [preboot_mtrr-0x10000], al |
||
607 | _setcursor 11,0 |
||
608 | jmp .d |
||
29 | halyavin | 609 | .change_c: |
76 | mario79 | 610 | _setcursor 15,0 |
611 | mov si, vrrmprint-0x10000 |
||
612 | call print |
||
613 | mov bx, '12' |
||
614 | call getkey |
||
615 | mov [preboot_vrrm-0x10000], al |
||
616 | _setcursor 12,0 |
||
617 | jmp .d |
||
40 | halyavin | 618 | .say_on_off: |
76 | mario79 | 619 | pushf |
620 | call print |
||
621 | mov si, on_msg-0x10000 |
||
622 | popf |
||
623 | jz @f |
||
624 | mov si, off_msg-0x10000 |
||
625 | @@: call printplain |
||
626 | ret |
||
40 | halyavin | 627 | ; novesa and vervesa strings are not used at the moment of executing this code |
628 | virtual at novesa |
||
29 | halyavin | 629 | .oldtimer dd ? |
630 | .starttime dd ? |
||
631 | .bSettingsChanged db ? |
||
34 | halyavin | 632 | .timer dd ? |
40 | halyavin | 633 | end virtual |
82 | halyavin | 634 | org $+0x10000 |
29 | halyavin | 635 | .loader_block dd 0 |
82 | halyavin | 636 | org $-0x10000 |
29 | halyavin | 637 | .gettime: |
76 | mario79 | 638 | mov ah, 0 |
639 | int 1Ah |
||
640 | xchg ax, cx |
||
641 | shl eax, 10h |
||
642 | xchg ax, dx |
||
643 | ret |
||
29 | halyavin | 644 | .newtimer: |
76 | mario79 | 645 | push ds |
646 | push cs |
||
647 | pop ds |
||
648 | pushf |
||
649 | call [.oldtimer-0x10000] |
||
650 | pushad |
||
651 | call .gettime |
||
652 | sub eax, [.starttime-0x10000] |
||
653 | sub ax, 18*5 |
||
654 | jae .timergo |
||
655 | neg ax |
||
656 | add ax, 18-1 |
||
657 | mov bx, 18 |
||
658 | xor dx, dx |
||
659 | div bx |
||
29 | halyavin | 660 | if lang eq ru |
661 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
||
76 | mario79 | 662 | cmp al, 5 |
663 | mov cl, ' ' |
||
664 | jae @f |
||
665 | cmp al, 1 |
||
666 | mov cl, 'ã' |
||
667 | jz @f |
||
668 | mov cl, 'ë' |
||
669 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 670 | else |
671 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 672 | cmp al, 1 |
673 | mov cl, 's' |
||
674 | ja @f |
||
675 | mov cl, ' ' |
||
676 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 677 | end if |
76 | mario79 | 678 | add al, '0' |
679 | mov [time_str+1-0x10000], al |
||
680 | mov si, time_msg-0x10000 |
||
681 | _setcursor 7,0 |
||
682 | call print |
||
683 | _setcursor 25,0 |
||
684 | popad |
||
685 | pop ds |
||
686 | iret |
||
29 | halyavin | 687 | .timergo: |
76 | mario79 | 688 | push 0 |
689 | pop es |
||
690 | mov eax, [.oldtimer-0x10000] |
||
691 | mov [es:8*4], eax |
||
692 | mov sp, 0EC00h |
||
29 | halyavin | 693 | .continue: |
76 | mario79 | 694 | sti |
695 | _setcursor 6,0 |
||
696 | mov si, space_msg-0x10000 |
||
697 | call printplain |
||
698 | call printplain |
||
699 | _setcursor 6,0 |
||
700 | mov si, loading_msg-0x10000 |
||
701 | call print |
||
702 | _setcursor 15,0 |
||
703 | cmp [.bSettingsChanged-0x10000], 0 |
||
704 | jz .load |
||
705 | cmp [.loader_block-0x10000], 0 |
||
706 | jz .load |
||
707 | les bx, [.loader_block-0x10000] |
||
708 | mov eax, [es:bx+3] |
||
709 | push ds |
||
710 | pop es |
||
711 | test eax, eax |
||
712 | jz .load |
||
713 | push eax |
||
714 | mov si, save_quest-0x10000 |
||
715 | call print |
||
29 | halyavin | 716 | .waityn: |
76 | mario79 | 717 | mov ah, 0 |
718 | int 16h |
||
719 | or al, 20h |
||
720 | cmp al, 'n' |
||
721 | jz .loadc |
||
722 | cmp al, 'y' |
||
723 | jnz .waityn |
||
724 | call putchar |
||
725 | mov byte [space_msg-0x10000+80], 186 |
||
726 | pop eax |
||
727 | push cs |
||
82 | halyavin | 728 | push .cont |
76 | mario79 | 729 | push eax |
730 | retf |
||
29 | halyavin | 731 | .loadc: |
76 | mario79 | 732 | pop eax |
29 | halyavin | 733 | .cont: |
76 | mario79 | 734 | push cs |
735 | pop ds |
||
736 | mov si, space_msg-0x10000 |
||
737 | mov byte [si+80], 0 |
||
738 | _setcursor 15,0 |
||
739 | call printplain |
||
740 | _setcursor 15,0 |
||
29 | halyavin | 741 | .load: |
742 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 743 | |
744 | ; ASK GRAPHICS MODE |
||
745 | |||
76 | mario79 | 746 | movzx ax, [preboot_graph-0x10000] |
747 | push 0 |
||
748 | pop es |
||
29 | halyavin | 749 | ; address is gr_table+6*(ax-1)-0x10000 |
76 | mario79 | 750 | add ax, ax |
751 | lea si, [gr_table-0x10000 + eax + eax*2 - 6] |
||
29 | halyavin | 752 | mov bx,[si+0] |
753 | mov cx,[si+2] |
||
754 | mov dx,[si+4] |
||
76 | mario79 | 755 | cmp al, 9*2 |
756 | mov al, 32 ; BPP |
||
757 | jb @f |
||
758 | mov [es:0x9000], al |
||
759 | mov dword [es:0x9018], 0x800000 |
||
29 | halyavin | 760 | @@: |
1 | ha | 761 | mov [es:0x9008],bx |
762 | mov [es:0x900A],cx |
||
763 | mov [es:0x900C],dx |
||
76 | mario79 | 764 | test bh, bh |
765 | jz nov |
||
1 | ha | 766 | |
767 | ; USE DEFAULTS OR PROBE |
||
768 | |||
769 | ; bx - mode : cx - x size : dx - y size |
||
76 | mario79 | 770 | cmp [preboot_gprobe-0x10000], 1 |
771 | jz noprobe |
||
1 | ha | 772 | |
773 | mov bx,0x100 |
||
774 | newprobe: |
||
775 | inc bx |
||
776 | cmp bx,0x17f |
||
76 | mario79 | 777 | mov si,prnotfnd-0x10000 |
778 | jz sayerr |
||
1 | ha | 779 | |
780 | probemore: |
||
76 | mario79 | 781 | push cx |
1 | ha | 782 | mov ax,0x4f01 |
783 | mov cx,bx |
||
784 | and cx,0xfff |
||
785 | mov di,0xa000 |
||
786 | int 0x10 |
||
76 | mario79 | 787 | pop cx |
1 | ha | 788 | |
76 | mario79 | 789 | test byte [es:di], 80h ; lfb? |
790 | jz newprobe |
||
791 | cmp [es:di+0x12], cx ; x size? |
||
792 | jnz newprobe |
||
793 | cmp [es:di+0x14], dx ; y size? |
||
794 | jnz newprobe |
||
795 | cmp byte [es:di+0x19], 32 ;24 |
||
796 | jb newprobe |
||
1 | ha | 797 | |
40 | halyavin | 798 | ; add bx,0100000000000000b |
76 | mario79 | 799 | or bh, 40h |
1 | ha | 800 | mov [es:0x9008],bx |
801 | |||
802 | noprobe: |
||
803 | |||
804 | |||
805 | ; FIND VESA 2.0 LFB & BPP |
||
806 | |||
807 | mov ax,0x4f01 |
||
808 | mov cx,bx |
||
809 | and cx,0xfff |
||
810 | mov di,0xa000 |
||
811 | int 0x10 |
||
812 | ; LFB |
||
40 | halyavin | 813 | mov eax,[es:di+0x28] |
814 | mov [es:0x9018],eax |
||
1 | ha | 815 | ; ---- vbe voodoo |
816 | BytesPerScanLine equ 0x10 |
||
817 | mov ax, [es:di+BytesPerScanLine] |
||
818 | mov [es:0x9001],ax |
||
29 | halyavin | 819 | ; BPP |
40 | halyavin | 820 | mov al,byte [es:di+0x19] |
29 | halyavin | 821 | mov [es:0x9000],al |
1 | ha | 822 | nov: |
40 | halyavin | 823 | cmp al,24 |
76 | mario79 | 824 | mov si,bt24-0x10000 |
825 | jz bppl |
||
40 | halyavin | 826 | cmp al,32 |
1 | ha | 827 | mov si,bt32-0x10000 |
29 | halyavin | 828 | jz bppl |
1 | ha | 829 | mov si,btns-0x10000 |
76 | mario79 | 830 | jmp sayerr |
40 | halyavin | 831 | bppl: |
1 | ha | 832 | call print |
833 | |||
834 | |||
835 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
836 | |||
76 | mario79 | 837 | push es |
1 | ha | 838 | mov ax,0x4f0A |
76 | mario79 | 839 | xor bx, bx |
1 | ha | 840 | int 0x10 |
841 | xor eax,eax |
||
842 | mov ax,es |
||
843 | shl eax,4 |
||
29 | halyavin | 844 | movzx ebx,di |
1 | ha | 845 | add eax,ebx |
846 | mov bx,[es:di] |
||
847 | add eax,ebx |
||
848 | pop es |
||
849 | mov [es:0x9014],eax |
||
850 | |||
851 | |||
852 | ; GRAPHICS ACCELERATION |
||
853 | |||
29 | halyavin | 854 | mov al, [preboot_mtrr-0x10000] |
1 | ha | 855 | mov [es:0x901C],al |
856 | |||
857 | ; VRR_M USE |
||
858 | |||
29 | halyavin | 859 | mov al,[preboot_vrrm-0x10000] |
1 | ha | 860 | mov [es:0x9030],al |
861 | |||
862 | |||
863 | ; MEMORY MODEL |
||
864 | |||
865 | ; movzx eax,byte [es:preboot_memory-0x10000] |
||
866 | ; cmp eax,0 |
||
867 | ; jne pre_mem |
||
868 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
869 | ; mario79 - memory size ; |
||
870 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
871 | ; mov ax,0E801h |
||
872 | ;;; xor bx,bx ; thanks to Alexei for bugfix [18.07.2004] |
||
873 | ; xor cx, cx |
||
874 | ; xor dx, dx |
||
875 | ; int 0x15 |
||
876 | ; movzx ebx, dx ;bx |
||
877 | ; movzx eax, cx ;ax |
||
878 | ; shl ebx,6 ; ïåðåâîä â êèëîáàéòû (x64) |
||
879 | ; add eax,ebx |
||
880 | ; add eax, 1000h ;440h |
||
881 | ; cmp eax,40000h ; 256? |
||
882 | ; jge mem_256_z |
||
883 | ; cmp eax,20000h ; 128? |
||
884 | ; jge mem_128_z |
||
885 | ; cmp eax,10000h ; 64? |
||
886 | ; jge mem_64_z |
||
887 | ; cmp eax,8000h ; 32? |
||
888 | ; jge mem_32_z |
||
889 | ; jmp mem_16_z |
||
890 | ; |
||
891 | ;mem_256_z: mov si,memokz256-0x10000 |
||
892 | ; call printplain |
||
893 | ; mov eax,5 |
||
894 | ; jmp pre_mem |
||
895 | ;mem_128_z: mov si,memokz128-0x10000 |
||
896 | ; call printplain |
||
897 | ; mov eax,4 |
||
898 | ; jmp pre_mem |
||
899 | ;mem_64_z: mov si,memokz64-0x10000 |
||
900 | ; call printplain |
||
901 | ; mov eax,3 |
||
902 | ; jmp pre_mem |
||
903 | ;mem_32_z: mov si,memokz32-0x10000 |
||
904 | ; call printplain |
||
905 | ; mov eax,2 |
||
906 | ; jmp pre_mem |
||
907 | ;mem_16_z: mov si,memokz16-0x10000 |
||
908 | ; call printplain |
||
909 | ; mov eax,1 |
||
910 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
911 | ; pre_mem: |
||
912 | ; push word 0x0000 |
||
913 | ; pop es |
||
914 | ; mov [es:0x9030],al |
||
915 | ; push word 0x1000 |
||
916 | ; pop es |
||
917 | ; mov si,linef-0x10000 |
||
918 | ; call printplain |
||
919 | |||
920 | |||
921 | |||
922 | |||
923 | ; DIRECT WRITE TO LFB, PAGING DISABLED |
||
924 | |||
925 | ; movzx eax,byte [es:preboot_lfb-0x10000] |
||
926 | ; mov eax,1 ; paging disabled |
||
927 | ; cmp eax,0 |
||
928 | ; jne pre_lfb |
||
929 | ; mov si,gr_direct-0x10000 |
||
930 | ; call printplain |
||
29 | halyavin | 931 | ; mov ebx,'12' |
1 | ha | 932 | ; call getkey |
933 | ; pre_lfb: |
||
934 | ; push word 0x0000 |
||
935 | ; pop es |
||
936 | ; mov [es:0x901E],al |
||
937 | ; mov ax,0x1000 |
||
938 | ; mov es,ax |
||
939 | ; mov si,linef-0x10000 |
||
940 | ; call printplain |
||
941 | mov [es:0x901E],byte 1 |
||
942 | |||
943 | |||
944 | |||
945 | ; BOOT DEVICE |
||
946 | |||
76 | mario79 | 947 | mov al, [preboot_device-0x10000] |
40 | halyavin | 948 | dec al |
29 | halyavin | 949 | mov [boot_dev-0x10000],al |
1 | ha | 950 | |
951 | ; READ DISKETTE TO MEMORY |
||
952 | |||
40 | halyavin | 953 | ; cmp [boot_dev-0x10000],0 |
1 | ha | 954 | jne no_sys_on_floppy |
955 | mov si,diskload-0x10000 |
||
956 | call print |
||
76 | mario79 | 957 | xor ax, ax ; reset drive |
958 | xor dx, dx |
||
1 | ha | 959 | int 0x13 |
960 | mov cx,0x0001 ; startcyl,startsector |
||
76 | mario79 | 961 | xor dx, dx ; starthead,drive |
1 | ha | 962 | push word 80*2 ; read no of sect |
963 | reads: |
||
964 | pusha |
||
965 | xor si,si |
||
966 | newread: |
||
967 | mov bx,0xa000 ; es:bx -> data area |
||
968 | mov ax,0x0200+18 ; read, no of sectors to read |
||
969 | int 0x13 |
||
76 | mario79 | 970 | test ah, ah |
1 | ha | 971 | jz goodread |
76 | mario79 | 972 | inc si |
1 | ha | 973 | cmp si,10 |
974 | jnz newread |
||
975 | mov si,badsect-0x10000 |
||
40 | halyavin | 976 | sayerr_plain: |
1 | ha | 977 | call printplain |
978 | jmp $ |
||
979 | goodread: |
||
980 | ; move -> 1mb |
||
981 | mov si,movedesc-0x10000 |
||
76 | mario79 | 982 | push es |
983 | push ds |
||
1 | ha | 984 | pop es |
985 | mov cx,256*18 |
||
986 | mov ah,0x87 |
||
987 | int 0x15 |
||
76 | mario79 | 988 | pop es |
1 | ha | 989 | |
29 | halyavin | 990 | test ah,ah ; was the move successfull ? |
1 | ha | 991 | je goodmove |
992 | mov dx,0x3f2 ; floppy motor off |
||
993 | mov al,0 |
||
994 | out dx,al |
||
995 | mov si,memmovefailed-0x10000 |
||
76 | mario79 | 996 | jmp sayerr_plain |
1 | ha | 997 | goodmove: |
998 | |||
76 | mario79 | 999 | add dword [movedesc-0x10000+0x18+2], 512*18 |
1 | ha | 1000 | popa |
1001 | inc dh |
||
1002 | cmp dh,2 |
||
1003 | jnz bb2 |
||
1004 | mov dh,0 |
||
1005 | inc ch |
||
1006 | pusha ; print prosentage |
||
1007 | mov si,pros-0x10000 |
||
76 | mario79 | 1008 | shr ch, 2 |
1009 | mov al, '5' |
||
1010 | test ch, 1 |
||
1011 | jnz @f |
||
1012 | mov al, '0' |
||
29 | halyavin | 1013 | @@: |
76 | mario79 | 1014 | mov [si+1], al |
1015 | shr ch, 1 |
||
1016 | add ch, '0' |
||
1017 | mov [si], ch |
||
1 | ha | 1018 | call printplain |
1019 | popa |
||
1020 | bb2: |
||
1021 | pop ax |
||
1022 | dec ax |
||
1023 | push ax |
||
29 | halyavin | 1024 | jnz reads |
1 | ha | 1025 | readdone: |
1026 | pop ax |
||
40 | halyavin | 1027 | mov si,backspace2-0x10000 |
1 | ha | 1028 | call printplain |
1029 | mov si,okt-0x10000 |
||
1030 | call printplain |
||
1031 | no_sys_on_floppy: |
||
76 | mario79 | 1032 | xor ax, ax ; reset drive |
1033 | xor dx, dx |
||
1 | ha | 1034 | int 0x13 |
1035 | mov dx,0x3f2 ; floppy motor off |
||
1036 | mov al,0 |
||
29 | halyavin | 1037 | out dx,al |
1 | ha | 1038 | |
76 | mario79 | 1039 | push es |
1 | ha | 1040 | ; PAGE TABLE |
1041 | |||
76 | mario79 | 1042 | push dword [es:0x9018] |
1 | ha | 1043 | |
1044 | map_mem equ 64 ; amount of memory to map |
||
1045 | |||
76 | mario79 | 1046 | push 0x6000 |
1047 | pop es ; es:di = 6000:0 |
||
29 | halyavin | 1048 | xor di,di |
1049 | mov cx,256*map_mem ; Map (mapmem) M |
||
40 | halyavin | 1050 | ; mov eax,7 |
1051 | ; pt2: |
||
1052 | ; cmp cx,256*(map_mem-8) ; 8 M map to LFB |
||
1053 | ; jnz pt3 |
||
1054 | ; pop eax |
||
1055 | ; add eax,7 |
||
1056 | ; pt3: |
||
1057 | ; cmp cx,256*(map_mem-12) ; 12 M back to linear = physical |
||
1058 | ; jnz pt4 |
||
1059 | ; mov eax,12*0x100000 + 7 |
||
1060 | ; pt4: |
||
1061 | ; stosd |
||
1062 | ; add eax,4096 |
||
1063 | ; loop pt2 |
||
1064 | ; initialize as identity mapping |
||
76 | mario79 | 1065 | xor eax, eax |
1066 | call pagetable_set |
||
40 | halyavin | 1067 | ; 8M..12M map to LFB |
76 | mario79 | 1068 | pop eax |
1069 | ; mov cx, 256*4 |
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1070 | mov ch, 4 |
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1071 | mov di, 2000h |
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1072 | call pagetable_set |
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40 | halyavin | 1073 | |
76 | mario79 | 1074 | push 0x7100 |
1075 | pop es |
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29 | halyavin | 1076 | xor di,di |
40 | halyavin | 1077 | mov eax,8*0x100000 |
29 | halyavin | 1078 | mov cx,256*4 |
76 | mario79 | 1079 | call pagetable_set |
1 | ha | 1080 | |
1081 | ; 4 KB PAGE DIRECTORY |
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1082 | |||
76 | mario79 | 1083 | push 0x7F00 |
1084 | pop es ; es:di = 7F00:0 |
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29 | halyavin | 1085 | xor di, di |
1086 | mov cx, 64 / 4 |
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1 | ha | 1087 | mov eax, 0x60007 ; for 0 M |
76 | mario79 | 1088 | call pagetable_set |
1 | ha | 1089 | mov dword [es:0x800],0x71007 ;map region 0x80000000-0x803FFFFF to 0x800000-0xCFFFFF |
29 | halyavin | 1090 | xor si,si |
1091 | mov di,second_base_address shr 20 |
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40 | halyavin | 1092 | mov cx,64/2 |
1093 | rep movs word [es:di], [es:si] |
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1 | ha | 1094 | |
1095 | mov eax, 0x7F000 +8+16 ; Page directory and enable caches |
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1096 | mov cr3, eax |
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1097 | |||
1098 | ; SET GRAPHICS |
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1099 | |||
76 | mario79 | 1100 | pop es |
1101 | mov ax,[es:0x9008] ; vga & 320x200 |
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1102 | mov bx, ax |
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1 | ha | 1103 | cmp ax,0x13 |
1104 | je setgr |
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1105 | cmp ax,0x12 |
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1106 | je setgr |
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1107 | mov ax,0x4f02 ; Vesa |
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1108 | setgr: |
||
1109 | int 0x10 |
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76 | mario79 | 1110 | test ah,ah |
1111 | mov si, fatalsel-0x10000 |
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1112 | jnz sayerr |
||
1 | ha | 1113 | ; set mode 0x12 graphics registers: |
1114 | cmp bx,0x12 |
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1115 | jne gmok2 |
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1116 | |||
1117 | mov al,0x05 |
||
1118 | mov dx,0x03ce |
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40 | halyavin | 1119 | push dx |
1 | ha | 1120 | out dx,al ; select GDC mode register |
1121 | mov al,0x02 |
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76 | mario79 | 1122 | inc dx |
1 | ha | 1123 | out dx,al ; set write mode 2 |
1124 | |||
1125 | mov al,0x02 |
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1126 | mov dx,0x03c4 |
||
1127 | out dx,al ; select VGA sequencer map mask register |
||
1128 | mov al,0x0f |
||
76 | mario79 | 1129 | inc dx |
1 | ha | 1130 | out dx,al ; set mask for all planes 0-3 |
1131 | |||
1132 | mov al,0x08 |
||
76 | mario79 | 1133 | pop dx |
1 | ha | 1134 | out dx,al ; select GDC bit mask register |
1135 | ; for writes to 0x03cf |
||
1136 | |||
1137 | gmok2: |
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76 | mario79 | 1138 | push ds |
1139 | pop es |