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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 | |||
183 | diamond | 18 | ; 16-bit data |
19 | org $+0x10000 |
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20 | |||
21 | old_ints_h: |
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22 | dw 0x400 |
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23 | dd 0 |
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24 | dw 0 |
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25 | |||
26 | kernel_restart_bootblock: |
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27 | db 1 ; version |
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28 | dw 1 ; floppy image is in memory |
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29 | dd 0 ; cannot save parameters |
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30 | |||
31 | |||
32 | align 32 |
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33 | |||
34 | ; GDT TABLE |
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35 | |||
36 | gdts: |
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37 | |||
38 | dw gdte-$-1 |
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39 | dd gdts |
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40 | dw 0 |
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41 | |||
375 | Ghost | 42 | ; Attention! The order first four selectors not to change, is used in Fast System Call |
43 | ; must be : os_code, os_data, app_code, app_data, .... |
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44 | |||
183 | diamond | 45 | int_code_l: |
46 | os_code_l: |
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47 | dw 0xffff |
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48 | dw 0x0000 |
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49 | db 0x00 |
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50 | dw 11011111b *256 +10011010b |
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51 | db 0x00 |
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52 | |||
53 | int_data_l: |
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54 | os_data_l: |
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55 | dw 0xffff |
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56 | dw 0x0000 |
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57 | db 0x00 |
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58 | dw 11011111b *256 +10010010b |
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59 | db 0x00 |
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60 | |||
375 | Ghost | 61 | app_code_l: |
378 | serge | 62 | dw 0xFFFF |
375 | Ghost | 63 | dw 0 |
378 | serge | 64 | db 0 |
375 | Ghost | 65 | db cpl3 |
378 | serge | 66 | dw G32+D32+0x8000+0x7; |
375 | Ghost | 67 | |
68 | app_data_l: |
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378 | serge | 69 | dw 0xFFFF |
375 | Ghost | 70 | dw 0 |
378 | serge | 71 | db 0 |
375 | Ghost | 72 | db drw3 |
378 | serge | 73 | dw G32+D32+0x8000+0x7; |
74 | |||
183 | diamond | 75 | ; --------------- APM --------------------- |
76 | apm_code_32: |
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223 | Ghost | 77 | dw 0x0f ; limit 64kb |
183 | diamond | 78 | db 0, 0, 0 |
189 | Ghost | 79 | dw 11010000b *256 +10011010b |
183 | diamond | 80 | db 0x00 |
81 | apm_code_16: |
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223 | Ghost | 82 | dw 0x0f |
183 | diamond | 83 | db 0, 0, 0 |
189 | Ghost | 84 | dw 10010000b *256 +10011010b |
183 | diamond | 85 | db 0x00 |
86 | apm_data_16: |
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223 | Ghost | 87 | dw 0x0f |
183 | diamond | 88 | db 0, 0, 0 |
189 | Ghost | 89 | dw 10010000b *256 +10010010b |
183 | diamond | 90 | db 0x00 |
91 | ; ----------------------------------------- |
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92 | |||
93 | graph_data_l: |
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94 | |||
321 | diamond | 95 | dw 0x7ff |
183 | diamond | 96 | dw 0x0000 |
97 | db 0x00 |
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98 | dw 11010000b *256 +11110010b |
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99 | db 0x00 |
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100 | |||
101 | tss0_l: |
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102 | ; times (max_processes+10) dd 0,0 |
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103 | gdte = $ + (max_processes+10)*8 |
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104 | |||
105 | ; videomodes table |
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106 | gr_table: |
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107 | dw 0x112+0100000000000000b , 640 , 480 ; 1 |
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108 | dw 0x115+0100000000000000b , 800 , 600 ; 2 |
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109 | dw 0x118+0100000000000000b , 1024 , 768 ; 3 |
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110 | dw 0x11B+0100000000000000b , 1280 , 1024 ; 4 |
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111 | dw 0x112 , 640 , 480 ; 5 |
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112 | dw 0x115 , 800 , 600 ; 6 |
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113 | dw 0x118 , 1024 , 768 ; 7 |
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114 | dw 0x11B , 1280 ,1024 ; 8 |
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115 | dw 0x13, 640, 480 ; 9 |
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116 | dw 0x12, 640, 480 ; 0 |
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117 | |||
118 | ; table for move to extended memory (int 15h, ah=87h) |
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119 | movedesc: |
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120 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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121 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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122 | |||
123 | db 0xff,0xff,0x0,0xa0,0x00,0x93,0x0,0x0 |
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124 | db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0 |
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125 | |||
126 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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127 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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128 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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129 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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130 | org $-0x10000 |
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131 | |||
29 | halyavin | 132 | putchar: |
133 | ; in: al=character |
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76 | mario79 | 134 | mov ah, 0Eh |
135 | mov bh, 0 |
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136 | int 10h |
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137 | ret |
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1 | ha | 138 | |
29 | halyavin | 139 | print: |
140 | ; in: si->string |
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76 | mario79 | 141 | mov al, 186 |
142 | call putchar |
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143 | mov al, ' ' |
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144 | call putchar |
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1 | ha | 145 | |
29 | halyavin | 146 | printplain: |
147 | ; in: si->string |
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76 | mario79 | 148 | pusha |
149 | lodsb |
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29 | halyavin | 150 | @@: |
76 | mario79 | 151 | call putchar |
152 | lodsb |
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153 | cmp al, 0 |
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154 | jnz @b |
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155 | popa |
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156 | ret |
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1 | ha | 157 | |
29 | halyavin | 158 | ; Now int 16 is used for keyboard support. |
159 | ; This is shorter, simpler and more reliable. |
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160 | if 0 |
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1 | ha | 161 | getkey: push ecx |
162 | push edx |
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163 | add ebx,0x0101 |
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164 | xor eax,eax |
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165 | |||
166 | gk1: |
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167 | in al,0x60 |
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168 | mov cl,al |
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169 | gk0: |
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170 | in al,0x60 |
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171 | cmp al,cl |
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172 | je gk0 |
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173 | cmp ax,11 |
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174 | jg gk0 |
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175 | gk0_1: |
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176 | mov cl,al |
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177 | |||
178 | ; add al,47 |
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179 | ; mov [ds:keyinbs-0x10000],al |
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180 | ; mov si,keyinbs-0x10000 |
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181 | ; call printplain |
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182 | |||
183 | gk12: |
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184 | in al,0x60 |
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185 | cmp al,cl |
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186 | je gk12 |
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187 | cmp ax,240 |
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188 | jne gk13 |
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189 | mov al,cl |
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190 | jmp gk14 |
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191 | gk13: |
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192 | add cl,128 |
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193 | cmp al,cl |
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194 | jne gk1 |
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195 | sub al,128 |
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196 | gk14: |
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197 | |||
198 | movzx edx,bl |
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199 | cmp eax,edx |
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200 | jb gk1 |
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201 | movzx edx,bh |
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202 | cmp eax,edx |
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203 | jg gk1 |
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204 | test ebx,0x010000 |
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205 | jnz gk3 |
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206 | mov cx,0x1000 |
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207 | mov dx,cx |
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208 | add eax,47 |
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209 | mov cx,ax |
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210 | cmp cx,58 |
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211 | jb gk_nozero |
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212 | sub cx,10 |
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213 | gk_nozero: |
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214 | mov [ds:keyin-0x10000],cl |
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215 | mov si,keyin-0x10000 |
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216 | call printplain |
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217 | gk3: |
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218 | sub eax,48 |
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219 | pop edx |
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220 | pop ecx |
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221 | ret |
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29 | halyavin | 222 | end if |
1 | ha | 223 | |
29 | halyavin | 224 | getkey: |
225 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
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226 | ; in: bx=range |
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227 | ; out: ax=digit (1..9, 10 for 0) |
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76 | mario79 | 228 | mov ah, 0 |
229 | int 16h |
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230 | cmp al, bl |
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231 | jb getkey |
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232 | cmp al, bh |
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233 | ja getkey |
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234 | push ax |
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235 | call putchar |
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236 | pop ax |
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237 | and ax, 0Fh |
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238 | jnz @f |
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239 | mov al, 10 |
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29 | halyavin | 240 | @@: |
76 | mario79 | 241 | ret |
1 | ha | 242 | |
29 | halyavin | 243 | setcursor: |
244 | ; in: dl=column, dh=row |
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76 | mario79 | 245 | mov ah, 2 |
246 | mov bh, 0 |
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247 | int 10h |
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248 | ret |
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29 | halyavin | 249 | |
250 | macro _setcursor row,column |
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251 | { |
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76 | mario79 | 252 | mov dx, row*256 + column |
253 | call setcursor |
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29 | halyavin | 254 | } |
255 | |||
183 | diamond | 256 | ;pagetable_set: |
103 | halyavin | 257 | ;eax - physical address |
258 | ;es:di - page table |
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259 | ;ecx - number of pages to map |
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183 | diamond | 260 | ; or al, 7 |
261 | ;@@: |
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262 | ; stosd |
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263 | ; add eax, 1000h |
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264 | ; loop @b |
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265 | ; ret |
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40 | halyavin | 266 | |
134 | diamond | 267 | boot_read_floppy: |
268 | push si |
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269 | xor si, si |
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270 | mov ah, 2 ; read |
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271 | @@: |
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272 | push ax |
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273 | int 0x13 |
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274 | pop ax |
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275 | jnc @f |
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276 | inc si |
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277 | cmp si, 10 |
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278 | jb @b |
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279 | mov si, badsect-0x10000 |
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280 | sayerr_plain: |
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281 | call printplain |
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282 | jmp $ |
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283 | @@: |
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284 | pop si |
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285 | ret |
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286 | |||
1 | ha | 287 | ;========================================================================= |
288 | ; |
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289 | ; 16 BIT CODE |
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290 | ; |
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291 | ;========================================================================= |
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292 | |||
293 | |||
294 | start_of_code: |
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76 | mario79 | 295 | cld |
29 | halyavin | 296 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 297 | cmp ax, 'KL' |
298 | jnz @f |
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299 | mov word [cs:cfgmanager.loader_block-0x10000], si |
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300 | mov word [cs:cfgmanager.loader_block+2-0x10000], ds |
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29 | halyavin | 301 | @@: |
302 | ; \end{diamond}[02.12.2005] |
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1 | ha | 303 | |
29 | halyavin | 304 | ; set up stack |
76 | mario79 | 305 | mov ax, 3000h |
306 | mov ss, ax |
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307 | mov sp, 0EC00h |
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29 | halyavin | 308 | ; set up segment registers |
76 | mario79 | 309 | push cs |
310 | pop ds |
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311 | push cs |
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312 | pop es |
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1 | ha | 313 | |
29 | halyavin | 314 | ; set videomode |
76 | mario79 | 315 | mov ax, 3 |
1 | ha | 316 | int 0x10 |
317 | |||
134 | diamond | 318 | if lang eq ru |
1 | ha | 319 | ; Load & set russian VGA font (RU.INC) |
320 | mov bp,RU_FNT1-10000h ; RU_FNT1 - First part |
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321 | mov bx,1000h ; 768 bytes |
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322 | mov cx,30h ; 48 symbols |
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323 | mov dx,80h ; 128 - position of first symbol |
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324 | mov ax,1100h |
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325 | int 10h |
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326 | |||
327 | mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part |
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328 | mov bx,1000h ; 512 bytes |
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329 | mov cx,20h ; 32 symbols |
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330 | mov dx,0E0h ; 224 - position of first symbol |
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331 | mov ax,1100h |
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332 | int 10h |
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333 | ; End set VGA russian font |
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274 | kaitz | 334 | else if lang eq et |
335 | mov bp,ET_FNT-10000h ; ET_FNT1 |
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381 | serge | 336 | mov bx,1000h ; |
274 | kaitz | 337 | mov cx,255 ; 256 symbols |
338 | mov dx,0h ; 0 - position of first symbol |
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339 | mov ax,1100h |
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340 | int 10h |
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134 | diamond | 341 | end if |
1 | ha | 342 | |
29 | halyavin | 343 | ; draw frames |
76 | mario79 | 344 | push 0xb800 |
345 | pop es |
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346 | xor di, di |
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29 | halyavin | 347 | ; mov si,d80x25-0x10000 |
348 | ; mov cx,80*25 |
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349 | ; mov ah,1*16+15 |
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350 | ; dfl1: |
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351 | ; lodsb |
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352 | ; stosw |
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353 | ; loop dfl1 |
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76 | mario79 | 354 | mov ah, 1*16+15 |
29 | halyavin | 355 | ; draw top |
76 | mario79 | 356 | mov si, d80x25_top - 0x10000 |
357 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 358 | @@: |
76 | mario79 | 359 | lodsb |
360 | stosw |
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361 | loop @b |
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29 | halyavin | 362 | ; draw spaces |
76 | mario79 | 363 | mov si, space_msg - 0x10000 |
364 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 365 | dfl1: |
76 | mario79 | 366 | push cx |
367 | push si |
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368 | mov cx, 80 |
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29 | halyavin | 369 | @@: |
76 | mario79 | 370 | lodsb |
371 | stosw |
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372 | loop @b |
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373 | pop si |
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374 | pop cx |
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375 | loop dfl1 |
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29 | halyavin | 376 | ; draw bottom |
76 | mario79 | 377 | mov si, d80x25_bottom - 0x10000 |
378 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 379 | @@: |
76 | mario79 | 380 | lodsb |
381 | stosw |
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382 | loop @b |
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1 | ha | 383 | |
76 | mario79 | 384 | mov byte [space_msg-0x10000+80], 0 ; now space_msg is null terminated |
1 | ha | 385 | |
76 | mario79 | 386 | _setcursor d80x25_top_num,0 |
1 | ha | 387 | |
388 | |||
389 | ; TEST FOR 386+ |
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390 | |||
76 | mario79 | 391 | mov bx, 0x4000 |
1 | ha | 392 | pushf |
393 | pop ax |
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394 | mov dx,ax |
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29 | halyavin | 395 | xor ax,bx |
1 | ha | 396 | push ax |
397 | popf |
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398 | pushf |
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399 | pop ax |
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29 | halyavin | 400 | and ax,bx |
401 | and dx,bx |
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1 | ha | 402 | cmp ax,dx |
403 | jnz cpugood |
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404 | mov si,not386-0x10000 |
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40 | halyavin | 405 | sayerr: |
1 | ha | 406 | call print |
407 | jmp $ |
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408 | cpugood: |
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409 | |||
29 | halyavin | 410 | ; set up esp |
76 | mario79 | 411 | movzx esp, sp |
1 | ha | 412 | |
413 | ; FLUSH 8042 KEYBOARD CONTROLLER |
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414 | |||
415 | ;// mike.dld [ |
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416 | ; mov al,0xED |
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417 | ; out 0x60,al |
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418 | ; or cx,-1 |
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419 | ; @@: |
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420 | ; in al,0x64 |
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421 | ; test al,2 |
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422 | ; jz @f |
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423 | ; loop @b |
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424 | ; @@: |
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425 | ; mov al,0 |
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426 | ; out 0x60,al |
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427 | ; or cx,-1 |
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428 | ; @@: |
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429 | ; in al,0x64 |
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430 | ; test al,2 |
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431 | ; jz @f |
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432 | ; loop @b |
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433 | ; @@: |
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434 | ;// mike.dld ] |
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435 | |||
436 | ; mov ecx,10000 |
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437 | ; fl1: |
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438 | ; in al,0x64 |
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439 | ; loop fl1 |
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440 | ; test al,1 |
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441 | ; jz fl2 |
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442 | ; in al,0x60 |
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443 | ; jmp fl1 |
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444 | ; fl2: |
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445 | |||
446 | ;**************************************************************** |
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447 | ; The function is modified Mario79 |
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448 | ;***************************************************************** |
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449 | ; wait_kbd: ; variant 1 |
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450 | ; mov cx,2500h ;çàäåðæêà ïîðÿäêà 10 ìñåê |
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451 | ; test_kbd: |
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452 | ; in al,64h ;÷èòàåì ñîñòîÿíèå êëàâèàòóðû |
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453 | ; test al,2 ;ïðîâåðêà áèòà ãîòîâíîñòè |
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454 | ; loopnz test_kbd |
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455 | |||
160 | diamond | 456 | push 0 |
457 | pop es |
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458 | and word [es:0x9031], 0 |
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164 | serge | 459 | ; \begin{Mario79} |
460 | ; find HDD IDE DMA PCI device |
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160 | diamond | 461 | ; check for PCI BIOS |
462 | mov ax, 0xB101 |
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463 | int 0x1A |
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464 | jc .nopci |
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465 | cmp edx, 'PCI ' |
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466 | jnz .nopci |
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467 | ; find PCI class code |
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468 | ; class 1 = mass storage |
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469 | ; subclass 1 = IDE controller |
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470 | ; a) class 1, subclass 1, programming interface 0x80 |
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471 | mov ax, 0xB103 |
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472 | mov ecx, 1*10000h + 1*100h + 0x80 |
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473 | mov si, 0 ; device index = 0 |
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474 | int 0x1A |
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475 | jnc .found |
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187 | diamond | 476 | ; b) class 1, subclass 1, programming interface 0x8A |
160 | diamond | 477 | mov ax, 0xB103 |
187 | diamond | 478 | mov ecx, 1*10000h + 1*100h + 0x8A |
160 | diamond | 479 | mov si, 0 ; device index = 0 |
480 | int 0x1A |
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481 | jnc .found |
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187 | diamond | 482 | ; c) class 1, subclass 1, programming interface 0x85 |
160 | diamond | 483 | mov ax, 0xB103 |
187 | diamond | 484 | mov ecx, 1*10000h + 1*100h + 0x85 |
160 | diamond | 485 | mov si, 0 |
486 | int 0x1A |
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487 | jc .nopci |
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488 | .found: |
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489 | ; get memory base |
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490 | mov ax, 0xB10A |
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491 | mov di, 0x20 ; memory base is config register at 0x20 |
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492 | int 0x1A |
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493 | jc .nopci |
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494 | and cx, 0xFFF0 ; clear address decode type |
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495 | mov [es:0x9031], cx |
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496 | .nopci: |
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164 | serge | 497 | ; \end{Mario79} |
160 | diamond | 498 | |
1 | ha | 499 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
500 | out 0x60,al |
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29 | halyavin | 501 | xor cx,cx |
1 | ha | 502 | wait_loop: ; variant 2 |
503 | ; reading state of port of 8042 controller |
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164 | serge | 504 | in al,64h |
1 | ha | 505 | and al,00000010b ; ready flag |
164 | serge | 506 | ; wait until 8042 controller is ready |
1 | ha | 507 | loopnz wait_loop |
508 | |||
76 | mario79 | 509 | ; --------------- APM --------------------- |
510 | push 0 |
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511 | pop es |
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512 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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513 | mov ax, 0x5300 |
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514 | xor bx, bx |
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515 | int 0x15 |
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516 | jc apm_end ; APM not found |
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517 | test cx, 2 |
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518 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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519 | mov [es : 0x9044], ax ; Save APM Version |
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520 | mov [es : 0x9046], cx ; Save APM flags |
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164 | serge | 521 | |
76 | mario79 | 522 | ; Write APM ver ---- |
82 | halyavin | 523 | and ax, 0xf0f |
76 | mario79 | 524 | add ax, '00' |
82 | halyavin | 525 | mov si, msg_apm - 0x10000 |
526 | mov [si + 5], ah |
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527 | mov [si + 7], al |
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76 | mario79 | 528 | _setcursor 0, 3 |
529 | call printplain |
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530 | _setcursor d80x25_top_num,0 |
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531 | ; ------------------ |
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164 | serge | 532 | |
76 | mario79 | 533 | mov ax, 0x5304 ; Disconnect interface |
534 | xor bx, bx |
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535 | int 0x15 |
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536 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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537 | xor bx, bx |
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538 | int 0x15 |
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539 | ; init selectors |
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540 | movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
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541 | shl eax, 4 |
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542 | mov [apm_code_32 - 0x10000 + 2], ax |
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543 | shr eax, 16 |
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544 | mov [apm_code_32 - 0x10000 + 4], al |
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545 | movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
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546 | shl ecx, 4 |
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547 | mov [apm_code_16 - 0x10000 + 2], cx |
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548 | shr ecx, 16 |
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549 | mov [apm_code_16 - 0x10000 + 4], cl |
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550 | movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
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551 | shl edx, 4 |
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552 | mov [apm_data_16 - 0x10000 + 2], dx |
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553 | shr edx, 16 |
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554 | mov [apm_data_16 - 0x10000 + 4], dl |
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555 | mov [es : 0x9040], ebx ; offset of APM entry point |
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556 | apm_end: |
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164 | serge | 557 | ; ----------------------------------------- |
76 | mario79 | 558 | |
1 | ha | 559 | ; DISPLAY VESA INFORMATION |
560 | |||
76 | mario79 | 561 | push 0 |
562 | pop es |
||
1 | ha | 563 | mov ax,0x4f00 |
564 | mov di,0xa000 |
||
565 | int 0x10 |
||
566 | cmp ax,0x004f |
||
76 | mario79 | 567 | mov si, novesa-0x10000 |
568 | jnz @f |
||
164 | serge | 569 | mov bx, word [es:di+0x12] |
570 | shl ebx,16 |
||
571 | mov [es:0x9050], ebx |
||
1 | ha | 572 | mov ax,[es:di+4] |
573 | add ax,'0'*256+'0' |
||
76 | mario79 | 574 | mov si,vervesa-0x10000 |
40 | halyavin | 575 | mov [si+vervesa_off], ah |
576 | mov [si+vervesa_off+2], al |
||
29 | halyavin | 577 | @@: call print |
1 | ha | 578 | |
29 | halyavin | 579 | ; \begin{diamond}[30.11.2005] |
580 | cfgmanager: |
||
581 | ; settings: |
||
582 | ; a) preboot_graph = graphical mode |
||
583 | ; preboot_gprobe = probe this mode? |
||
346 | diamond | 584 | ; b) preboot_dma_write = use DMA write? |
29 | halyavin | 585 | ; c) preboot_vrrm = use VRR? |
586 | ; d) preboot_device = from what boot? |
||
76 | mario79 | 587 | mov di, preboot_graph-0x10000 |
29 | halyavin | 588 | ; check bootloader block |
143 | diamond | 589 | cmp [.loader_block-0x10000], -1 |
164 | serge | 590 | jz .noloaderblock |
76 | mario79 | 591 | les bx, [.loader_block-0x10000] |
592 | cmp byte [es:bx], 1 |
||
593 | mov si, loader_block_error-0x10000 |
||
594 | jnz sayerr |
||
595 | test byte [es:bx+1], 1 |
||
596 | jz @f |
||
29 | halyavin | 597 | ; image in memory present |
76 | mario79 | 598 | cmp [di+preboot_device-preboot_graph], 0 |
599 | jnz @f |
||
600 | mov [di+preboot_device-preboot_graph], 3 |
||
29 | halyavin | 601 | @@: |
602 | .noloaderblock: |
||
603 | ; determine default settings |
||
76 | mario79 | 604 | mov [.bSettingsChanged-0x10000], 0 |
605 | cmp byte [di], 0 |
||
606 | jnz .preboot_gr_end |
||
607 | mov [di+preboot_gprobe-preboot_graph], 0 |
||
608 | mov al, [vervesa+vervesa_off-0x10000] |
||
609 | cmp al, 'x' |
||
610 | jz .novesa |
||
611 | cmp al, '1' |
||
612 | jz .vesa12 |
||
613 | mov [di+preboot_gprobe-preboot_graph], 2 |
||
614 | mov al, 3 |
||
615 | jmp @f |
||
29 | halyavin | 616 | .vesa12: |
76 | mario79 | 617 | mov al, 7 |
618 | jmp @f |
||
29 | halyavin | 619 | .novesa: |
76 | mario79 | 620 | mov al, 10 |
29 | halyavin | 621 | @@: |
76 | mario79 | 622 | mov [di], al |
29 | halyavin | 623 | .preboot_gr_end: |
346 | diamond | 624 | cmp [di+preboot_dma_write-preboot_graph], 1 |
625 | adc [di+preboot_dma_write-preboot_graph], 0 |
||
76 | mario79 | 626 | cmp [di+preboot_vrrm-preboot_graph], 1 |
627 | adc [di+preboot_vrrm-preboot_graph], 0 |
||
628 | cmp [di+preboot_device-preboot_graph], 1 |
||
629 | adc [di+preboot_device-preboot_graph], 0 |
||
29 | halyavin | 630 | ; notify user |
76 | mario79 | 631 | mov si, linef-0x10000 |
632 | call print |
||
633 | mov si, start_msg-0x10000 |
||
634 | call print |
||
635 | mov si, time_msg-0x10000 |
||
636 | call print |
||
29 | halyavin | 637 | ; get start time |
76 | mario79 | 638 | call .gettime |
639 | mov [.starttime-0x10000], eax |
||
82 | halyavin | 640 | mov word [.timer-0x10000], .newtimer |
76 | mario79 | 641 | mov word [.timer-0x10000+2], cs |
29 | halyavin | 642 | .printcfg: |
76 | mario79 | 643 | _setcursor 9,0 |
644 | mov si, current_cfg_msg-0x10000 |
||
645 | call print |
||
646 | mov si, curvideo_msg-0x10000 |
||
647 | call print |
||
648 | mov al, [preboot_graph-0x10000] |
||
649 | cmp al, 8 |
||
650 | ja .pnovesa |
||
651 | mov dl, al |
||
652 | and eax, 3 |
||
653 | mov si, [modes_msg-0x10000+eax*2] |
||
654 | call printplain |
||
655 | mov si, modevesa20-0x10000 |
||
656 | cmp dl, 4 |
||
657 | jbe @f |
||
658 | mov si, modevesa12-0x10000 |
||
29 | halyavin | 659 | @@: |
76 | mario79 | 660 | call printplain |
661 | cmp dl, 4 |
||
662 | ja .x |
||
663 | mov si, probeno_msg-0x10000 |
||
664 | cmp [preboot_gprobe-0x10000], 2 |
||
665 | jnz @f |
||
666 | mov si, probeok_msg-0x10000 |
||
29 | halyavin | 667 | @@: |
76 | mario79 | 668 | call printplain |
29 | halyavin | 669 | .x: |
76 | mario79 | 670 | jmp .c |
29 | halyavin | 671 | .pnovesa: |
76 | mario79 | 672 | cmp al, 9 |
673 | mov si, mode9-0x10000 |
||
674 | jz @b |
||
675 | mov si, mode10-0x10000 |
||
676 | jmp @b |
||
29 | halyavin | 677 | .c: |
76 | mario79 | 678 | mov si, linef-0x10000 |
679 | call printplain |
||
346 | diamond | 680 | mov si, dma_msg-0x10000 |
681 | cmp [preboot_dma_write-0x10000], 1 |
||
76 | mario79 | 682 | call .say_on_off |
683 | mov si, vrrm_msg-0x10000 |
||
684 | cmp [preboot_vrrm-0x10000], 1 |
||
685 | call .say_on_off |
||
686 | mov si, preboot_device_msg-0x10000 |
||
687 | call print |
||
688 | mov al, [preboot_device-0x10000] |
||
689 | and eax, 3 |
||
690 | mov si, [preboot_device_msgs-0x10000+eax*2] |
||
691 | call printplain |
||
29 | halyavin | 692 | .wait: |
76 | mario79 | 693 | _setcursor 25,0 ; out of screen |
34 | halyavin | 694 | ; set timer interrupt handler |
76 | mario79 | 695 | cli |
696 | push 0 |
||
697 | pop es |
||
698 | mov eax, [es:8*4] |
||
699 | mov [.oldtimer-0x10000], eax |
||
700 | mov eax, [.timer-0x10000] |
||
701 | mov [es:8*4], eax |
||
702 | sti |
||
29 | halyavin | 703 | ; wait for keypressed |
76 | mario79 | 704 | mov ah, 0 |
705 | int 16h |
||
706 | push ax |
||
29 | halyavin | 707 | ; restore timer interrupt |
76 | mario79 | 708 | push 0 |
709 | pop es |
||
710 | mov eax, [.oldtimer-0x10000] |
||
711 | mov [es:8*4], eax |
||
712 | mov [.timer-0x10000], eax |
||
713 | _setcursor 7,0 |
||
714 | mov si, space_msg-0x10000 |
||
715 | call printplain |
||
716 | pop ax |
||
29 | halyavin | 717 | ; switch on key |
76 | mario79 | 718 | cmp al, 13 |
719 | jz .continue |
||
720 | or al, 20h |
||
721 | cmp al, 'a' |
||
722 | jz .change_a |
||
723 | cmp al, 'b' |
||
724 | jz .change_b |
||
725 | cmp al, 'c' |
||
726 | jz .change_c |
||
727 | cmp al, 'd' |
||
728 | jnz .wait |
||
729 | _setcursor 15,0 |
||
730 | mov si,bdev-0x10000 |
||
731 | call print |
||
732 | mov bx,'13' |
||
733 | call getkey |
||
734 | mov [preboot_device-0x10000], al |
||
735 | _setcursor 13,0 |
||
29 | halyavin | 736 | .d: |
76 | mario79 | 737 | mov [.bSettingsChanged-0x10000], 1 |
738 | mov si, space_msg-0x10000 |
||
739 | call printplain |
||
740 | _setcursor 15,0 |
||
741 | mov cx, 6 |
||
29 | halyavin | 742 | @@: |
76 | mario79 | 743 | call printplain |
744 | loop @b |
||
745 | jmp .printcfg |
||
29 | halyavin | 746 | .change_a: |
76 | mario79 | 747 | _setcursor 15,0 |
748 | mov si, gr_mode-0x10000 |
||
749 | call printplain |
||
750 | mov bx, '09' |
||
751 | call getkey |
||
752 | mov [preboot_graph-0x10000], al |
||
753 | cmp al, 4 |
||
754 | ja @f |
||
755 | mov si, probetext-0x10000 |
||
756 | call printplain |
||
757 | mov bx, '12' |
||
758 | call getkey |
||
759 | mov [preboot_gprobe-0x10000], al |
||
29 | halyavin | 760 | @@: |
76 | mario79 | 761 | _setcursor 10,0 |
762 | jmp .d |
||
29 | halyavin | 763 | .change_b: |
76 | mario79 | 764 | _setcursor 15,0 |
346 | diamond | 765 | mov si, ask_dma-0x10000 |
76 | mario79 | 766 | call print |
767 | mov bx, '12' |
||
768 | call getkey |
||
346 | diamond | 769 | mov [preboot_dma_write-0x10000], al |
76 | mario79 | 770 | _setcursor 11,0 |
771 | jmp .d |
||
29 | halyavin | 772 | .change_c: |
76 | mario79 | 773 | _setcursor 15,0 |
774 | mov si, vrrmprint-0x10000 |
||
775 | call print |
||
776 | mov bx, '12' |
||
777 | call getkey |
||
778 | mov [preboot_vrrm-0x10000], al |
||
779 | _setcursor 12,0 |
||
780 | jmp .d |
||
40 | halyavin | 781 | .say_on_off: |
76 | mario79 | 782 | pushf |
783 | call print |
||
784 | mov si, on_msg-0x10000 |
||
785 | popf |
||
786 | jz @f |
||
787 | mov si, off_msg-0x10000 |
||
788 | @@: call printplain |
||
789 | ret |
||
40 | halyavin | 790 | ; novesa and vervesa strings are not used at the moment of executing this code |
791 | virtual at novesa |
||
29 | halyavin | 792 | .oldtimer dd ? |
793 | .starttime dd ? |
||
794 | .bSettingsChanged db ? |
||
34 | halyavin | 795 | .timer dd ? |
40 | halyavin | 796 | end virtual |
82 | halyavin | 797 | org $+0x10000 |
143 | diamond | 798 | .loader_block dd -1 |
82 | halyavin | 799 | org $-0x10000 |
29 | halyavin | 800 | .gettime: |
76 | mario79 | 801 | mov ah, 0 |
802 | int 1Ah |
||
803 | xchg ax, cx |
||
804 | shl eax, 10h |
||
805 | xchg ax, dx |
||
806 | ret |
||
29 | halyavin | 807 | .newtimer: |
76 | mario79 | 808 | push ds |
809 | push cs |
||
810 | pop ds |
||
811 | pushf |
||
812 | call [.oldtimer-0x10000] |
||
813 | pushad |
||
814 | call .gettime |
||
815 | sub eax, [.starttime-0x10000] |
||
816 | sub ax, 18*5 |
||
817 | jae .timergo |
||
818 | neg ax |
||
819 | add ax, 18-1 |
||
820 | mov bx, 18 |
||
821 | xor dx, dx |
||
822 | div bx |
||
29 | halyavin | 823 | if lang eq ru |
824 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
||
76 | mario79 | 825 | cmp al, 5 |
826 | mov cl, ' ' |
||
827 | jae @f |
||
828 | cmp al, 1 |
||
829 | mov cl, 'ã' |
||
830 | jz @f |
||
831 | mov cl, 'ë' |
||
832 | @@: mov [time_str+9-0x10000], cl |
||
274 | kaitz | 833 | else if lang eq et |
834 | cmp al, 1 |
||
835 | ja @f |
||
836 | mov [time_str+9-0x10000], ' ' |
||
837 | mov [time_str+10-0x10000],' ' |
||
381 | serge | 838 | @@: |
29 | halyavin | 839 | else |
840 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 841 | cmp al, 1 |
842 | mov cl, 's' |
||
843 | ja @f |
||
844 | mov cl, ' ' |
||
845 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 846 | end if |
76 | mario79 | 847 | add al, '0' |
848 | mov [time_str+1-0x10000], al |
||
849 | mov si, time_msg-0x10000 |
||
850 | _setcursor 7,0 |
||
851 | call print |
||
852 | _setcursor 25,0 |
||
853 | popad |
||
854 | pop ds |
||
855 | iret |
||
29 | halyavin | 856 | .timergo: |
76 | mario79 | 857 | push 0 |
858 | pop es |
||
859 | mov eax, [.oldtimer-0x10000] |
||
860 | mov [es:8*4], eax |
||
861 | mov sp, 0EC00h |
||
29 | halyavin | 862 | .continue: |
76 | mario79 | 863 | sti |
864 | _setcursor 6,0 |
||
865 | mov si, space_msg-0x10000 |
||
866 | call printplain |
||
867 | call printplain |
||
868 | _setcursor 6,0 |
||
869 | mov si, loading_msg-0x10000 |
||
870 | call print |
||
871 | _setcursor 15,0 |
||
872 | cmp [.bSettingsChanged-0x10000], 0 |
||
873 | jz .load |
||
143 | diamond | 874 | cmp [.loader_block-0x10000], -1 |
76 | mario79 | 875 | jz .load |
876 | les bx, [.loader_block-0x10000] |
||
877 | mov eax, [es:bx+3] |
||
878 | push ds |
||
879 | pop es |
||
880 | test eax, eax |
||
881 | jz .load |
||
882 | push eax |
||
883 | mov si, save_quest-0x10000 |
||
884 | call print |
||
29 | halyavin | 885 | .waityn: |
76 | mario79 | 886 | mov ah, 0 |
887 | int 16h |
||
888 | or al, 20h |
||
889 | cmp al, 'n' |
||
890 | jz .loadc |
||
891 | cmp al, 'y' |
||
892 | jnz .waityn |
||
893 | call putchar |
||
894 | mov byte [space_msg-0x10000+80], 186 |
||
895 | pop eax |
||
896 | push cs |
||
82 | halyavin | 897 | push .cont |
76 | mario79 | 898 | push eax |
899 | retf |
||
29 | halyavin | 900 | .loadc: |
76 | mario79 | 901 | pop eax |
29 | halyavin | 902 | .cont: |
76 | mario79 | 903 | push cs |
904 | pop ds |
||
905 | mov si, space_msg-0x10000 |
||
906 | mov byte [si+80], 0 |
||
907 | _setcursor 15,0 |
||
908 | call printplain |
||
909 | _setcursor 15,0 |
||
29 | halyavin | 910 | .load: |
911 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 912 | |
913 | ; ASK GRAPHICS MODE |
||
914 | |||
76 | mario79 | 915 | movzx ax, [preboot_graph-0x10000] |
916 | push 0 |
||
917 | pop es |
||
29 | halyavin | 918 | ; address is gr_table+6*(ax-1)-0x10000 |
76 | mario79 | 919 | add ax, ax |
920 | lea si, [gr_table-0x10000 + eax + eax*2 - 6] |
||
29 | halyavin | 921 | mov bx,[si+0] |
922 | mov cx,[si+2] |
||
923 | mov dx,[si+4] |
||
76 | mario79 | 924 | cmp al, 9*2 |
925 | mov al, 32 ; BPP |
||
926 | jb @f |
||
927 | mov [es:0x9000], al |
||
164 | serge | 928 | mov dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
29 | halyavin | 929 | @@: |
1 | ha | 930 | mov [es:0x9008],bx |
931 | mov [es:0x900A],cx |
||
932 | mov [es:0x900C],dx |
||
76 | mario79 | 933 | test bh, bh |
934 | jz nov |
||
1 | ha | 935 | |
936 | ; USE DEFAULTS OR PROBE |
||
937 | |||
938 | ; bx - mode : cx - x size : dx - y size |
||
76 | mario79 | 939 | cmp [preboot_gprobe-0x10000], 1 |
940 | jz noprobe |
||
1 | ha | 941 | |
942 | mov bx,0x100 |
||
943 | newprobe: |
||
944 | inc bx |
||
945 | cmp bx,0x17f |
||
76 | mario79 | 946 | mov si,prnotfnd-0x10000 |
947 | jz sayerr |
||
1 | ha | 948 | |
949 | probemore: |
||
76 | mario79 | 950 | push cx |
1 | ha | 951 | mov ax,0x4f01 |
952 | mov cx,bx |
||
953 | and cx,0xfff |
||
954 | mov di,0xa000 |
||
955 | int 0x10 |
||
76 | mario79 | 956 | pop cx |
1 | ha | 957 | |
76 | mario79 | 958 | test byte [es:di], 80h ; lfb? |
959 | jz newprobe |
||
960 | cmp [es:di+0x12], cx ; x size? |
||
961 | jnz newprobe |
||
962 | cmp [es:di+0x14], dx ; y size? |
||
963 | jnz newprobe |
||
964 | cmp byte [es:di+0x19], 32 ;24 |
||
965 | jb newprobe |
||
1 | ha | 966 | |
40 | halyavin | 967 | ; add bx,0100000000000000b |
76 | mario79 | 968 | or bh, 40h |
1 | ha | 969 | mov [es:0x9008],bx |
970 | |||
971 | noprobe: |
||
972 | |||
973 | |||
974 | ; FIND VESA 2.0 LFB & BPP |
||
975 | |||
976 | mov ax,0x4f01 |
||
977 | mov cx,bx |
||
978 | and cx,0xfff |
||
979 | mov di,0xa000 |
||
980 | int 0x10 |
||
981 | ; LFB |
||
40 | halyavin | 982 | mov eax,[es:di+0x28] |
983 | mov [es:0x9018],eax |
||
1 | ha | 984 | ; ---- vbe voodoo |
381 | serge | 985 | BytesPerLine equ 0x10 |
986 | mov ax, [es:di+BytesPerLine] |
||
1 | ha | 987 | mov [es:0x9001],ax |
29 | halyavin | 988 | ; BPP |
40 | halyavin | 989 | mov al,byte [es:di+0x19] |
29 | halyavin | 990 | mov [es:0x9000],al |
1 | ha | 991 | nov: |
40 | halyavin | 992 | cmp al,24 |
76 | mario79 | 993 | mov si,bt24-0x10000 |
994 | jz bppl |
||
40 | halyavin | 995 | cmp al,32 |
1 | ha | 996 | mov si,bt32-0x10000 |
29 | halyavin | 997 | jz bppl |
1 | ha | 998 | mov si,btns-0x10000 |
76 | mario79 | 999 | jmp sayerr |
40 | halyavin | 1000 | bppl: |
1 | ha | 1001 | call print |
1002 | |||
1003 | |||
1004 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
1005 | |||
76 | mario79 | 1006 | push es |
1 | ha | 1007 | mov ax,0x4f0A |
76 | mario79 | 1008 | xor bx, bx |
1 | ha | 1009 | int 0x10 |
1010 | xor eax,eax |
||
1011 | mov ax,es |
||
1012 | shl eax,4 |
||
29 | halyavin | 1013 | movzx ebx,di |
1 | ha | 1014 | add eax,ebx |
1015 | mov bx,[es:di] |
||
1016 | add eax,ebx |
||
1017 | pop es |
||
1018 | mov [es:0x9014],eax |
||
1019 | |||
1020 | |||
1021 | ; GRAPHICS ACCELERATION |
||
346 | diamond | 1022 | ; force yes |
1023 | mov [es:0x901C], byte 1 |
||
1 | ha | 1024 | |
346 | diamond | 1025 | ; DMA WRITE |
1 | ha | 1026 | |
346 | diamond | 1027 | mov al, [preboot_dma_write-0x10000] |
1028 | mov [es:0x901F],al |
||
1029 | |||
1 | ha | 1030 | ; VRR_M USE |
1031 | |||
29 | halyavin | 1032 | mov al,[preboot_vrrm-0x10000] |
1 | ha | 1033 | mov [es:0x9030],al |
1034 | |||
1035 | |||
1036 | ; MEMORY MODEL |
||
1037 | |||
1038 | ; movzx eax,byte [es:preboot_memory-0x10000] |
||
1039 | ; cmp eax,0 |
||
1040 | ; jne pre_mem |
||
1041 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1042 | ; mario79 - memory size ; |
||
1043 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1044 | ; mov ax,0E801h |
||
1045 | ;;; xor bx,bx ; thanks to Alexei for bugfix [18.07.2004] |
||
1046 | ; xor cx, cx |
||
1047 | ; xor dx, dx |
||
1048 | ; int 0x15 |
||
1049 | ; movzx ebx, dx ;bx |
||
1050 | ; movzx eax, cx ;ax |
||
1051 | ; shl ebx,6 ; ïåðåâîä â êèëîáàéòû (x64) |
||
1052 | ; add eax,ebx |
||
1053 | ; add eax, 1000h ;440h |
||
1054 | ; cmp eax,40000h ; 256? |
||
1055 | ; jge mem_256_z |
||
1056 | ; cmp eax,20000h ; 128? |
||
1057 | ; jge mem_128_z |
||
1058 | ; cmp eax,10000h ; 64? |
||
1059 | ; jge mem_64_z |
||
1060 | ; cmp eax,8000h ; 32? |
||
1061 | ; jge mem_32_z |
||
1062 | ; jmp mem_16_z |
||
1063 | ; |
||
1064 | ;mem_256_z: mov si,memokz256-0x10000 |
||
1065 | ; call printplain |
||
1066 | ; mov eax,5 |
||
1067 | ; jmp pre_mem |
||
1068 | ;mem_128_z: mov si,memokz128-0x10000 |
||
1069 | ; call printplain |
||
1070 | ; mov eax,4 |
||
1071 | ; jmp pre_mem |
||
1072 | ;mem_64_z: mov si,memokz64-0x10000 |
||
1073 | ; call printplain |
||
1074 | ; mov eax,3 |
||
1075 | ; jmp pre_mem |
||
1076 | ;mem_32_z: mov si,memokz32-0x10000 |
||
1077 | ; call printplain |
||
1078 | ; mov eax,2 |
||
1079 | ; jmp pre_mem |
||
1080 | ;mem_16_z: mov si,memokz16-0x10000 |
||
1081 | ; call printplain |
||
1082 | ; mov eax,1 |
||
1083 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1084 | ; pre_mem: |
||
1085 | ; push word 0x0000 |
||
1086 | ; pop es |
||
1087 | ; mov [es:0x9030],al |
||
1088 | ; push word 0x1000 |
||
1089 | ; pop es |
||
1090 | ; mov si,linef-0x10000 |
||
1091 | ; call printplain |
||
1092 | |||
1093 | |||
1094 | |||
1095 | |||
1096 | ; DIRECT WRITE TO LFB, PAGING DISABLED |
||
1097 | |||
1098 | ; movzx eax,byte [es:preboot_lfb-0x10000] |
||
1099 | ; mov eax,1 ; paging disabled |
||
1100 | ; cmp eax,0 |
||
1101 | ; jne pre_lfb |
||
1102 | ; mov si,gr_direct-0x10000 |
||
1103 | ; call printplain |
||
29 | halyavin | 1104 | ; mov ebx,'12' |
1 | ha | 1105 | ; call getkey |
1106 | ; pre_lfb: |
||
1107 | ; push word 0x0000 |
||
1108 | ; pop es |
||
1109 | ; mov [es:0x901E],al |
||
1110 | ; mov ax,0x1000 |
||
1111 | ; mov es,ax |
||
1112 | ; mov si,linef-0x10000 |
||
1113 | ; call printplain |
||
1114 | mov [es:0x901E],byte 1 |
||
1115 | |||
1116 | |||
1117 | |||
1118 | ; BOOT DEVICE |
||
1119 | |||
76 | mario79 | 1120 | mov al, [preboot_device-0x10000] |
40 | halyavin | 1121 | dec al |
29 | halyavin | 1122 | mov [boot_dev-0x10000],al |
1 | ha | 1123 | |
1124 | ; READ DISKETTE TO MEMORY |
||
1125 | |||
40 | halyavin | 1126 | ; cmp [boot_dev-0x10000],0 |
1 | ha | 1127 | jne no_sys_on_floppy |
1128 | mov si,diskload-0x10000 |
||
1129 | call print |
||
76 | mario79 | 1130 | xor ax, ax ; reset drive |
1131 | xor dx, dx |
||
1 | ha | 1132 | int 0x13 |
134 | diamond | 1133 | ; now load floppy image to memory |
1134 | ; at first load boot sector and first FAT table |
||
1135 | mov cx, 0x0001 ; startcyl,startsector |
||
1136 | xor dx, dx ; starthead,drive |
||
1137 | mov al, 1+9 ; no of sectors to read |
||
1138 | mov bx, 0xB000 ; es:bx -> data area |
||
1139 | call boot_read_floppy |
||
1140 | ; and copy them to extended memory |
||
1141 | mov si, movedesc-0x10000 |
||
1142 | mov [si+8*2+3], bh |
||
1143 | push es |
||
1144 | push ds |
||
1145 | pop es |
||
1146 | mov cx, 256*10 |
||
1147 | mov ah, 0x87 |
||
1148 | int 0x15 |
||
76 | mario79 | 1149 | test ah, ah |
134 | diamond | 1150 | jz @f |
1151 | sayerr_floppy: |
||
1152 | mov dx, 0x3f2 |
||
1153 | mov al, 0 |
||
1154 | out dx, al |
||
1155 | mov si, memmovefailed-0x10000 |
||
1156 | jmp sayerr_plain |
||
1157 | @@: |
||
1158 | add dword [si+8*3+2], 512*10 |
||
1159 | ; copy FAT to second copy |
||
1160 | mov byte [si+8*2+3], 0xB2 |
||
1161 | mov cx, 256*9 |
||
1162 | mov ah, 0x87 |
||
1163 | int 0x15 |
||
1164 | pop es |
||
1165 | test ah, ah |
||
1166 | jnz sayerr_floppy |
||
1167 | add dword [si+8*3+2], 512*9 |
||
1168 | ; calculate total number of sectors to read |
||
1169 | mov ax, 1+9+14 ; boot+FAT+root |
||
1170 | mov di, 0xB203 |
||
1171 | .calc_loop: |
||
1172 | test word [es:di], 0xFFF |
||
1173 | jz @f |
||
1174 | inc ax |
||
1175 | @@: |
||
1176 | test word [es:di+1], 0xFFF0 |
||
1177 | jz @f |
||
1178 | inc ax |
||
1179 | @@: |
||
1180 | add di, 3 |
||
1181 | cmp di, 0xB200+1440*3 |
||
1182 | jb .calc_loop |
||
1183 | push ax |
||
1184 | mov bp, 1+9 ; already read sectors |
||
1185 | ; now read rest |
||
1186 | mov byte [si+8*2+3], 0xA0 |
||
1187 | mov di, 2-14 ; absolute sector-31 |
||
1188 | mov cx, 0x0002 ; cylinder=0, sector=2 |
||
1189 | mov dx, 0x0100 ; head=1, disk=0 |
||
1190 | .read_loop: |
||
1191 | ; determine whether sector must be read |
||
1192 | cmp di, 2 |
||
1193 | jl .read |
||
1194 | mov bx, di |
||
1195 | shr bx, 1 |
||
1196 | jnc .even |
||
1197 | test word [es:bx+di+0xB200], 0xFFF0 |
||
1198 | jmp @f |
||
1199 | .even: |
||
1200 | test word [es:bx+di+0xB200], 0xFFF |
||
1201 | @@: |
||
1202 | jz .skip |
||
1203 | .read: |
||
1204 | mov bx, 0xA000 |
||
1205 | mov al, 1 ; 1 sector |
||
1206 | call boot_read_floppy |
||
1207 | inc bp |
||
76 | mario79 | 1208 | push es |
1209 | push ds |
||
1 | ha | 1210 | pop es |
134 | diamond | 1211 | pusha |
1212 | mov cx, 256 |
||
1213 | mov ah, 0x87 |
||
1 | ha | 1214 | int 0x15 |
134 | diamond | 1215 | test ah, ah |
1 | ha | 1216 | popa |
134 | diamond | 1217 | pop es |
1218 | jnz sayerr_floppy |
||
1219 | .skip: |
||
1220 | add dword [si+8*3+2], 512 |
||
1221 | inc cx |
||
1222 | cmp cl, 19 |
||
1223 | jnz @f |
||
1224 | mov cl, 1 |
||
1 | ha | 1225 | inc dh |
134 | diamond | 1226 | cmp dh, 2 |
1227 | jnz @f |
||
1228 | mov dh, 0 |
||
1 | ha | 1229 | inc ch |
29 | halyavin | 1230 | @@: |
134 | diamond | 1231 | pop ax |
1232 | push ax |
||
1233 | pusha |
||
1234 | ; draw percentage |
||
1235 | ; total sectors: ax |
||
1236 | ; read sectors: bp |
||
1237 | xchg ax, bp |
||
1238 | mov cx, 100 |
||
1239 | mul cx |
||
1240 | div bp |
||
1241 | aam |
||
1242 | xchg al, ah |
||
1243 | add ax, '00' |
||
1244 | mov si, pros-0x10000 |
||
1245 | cmp [si], ax |
||
1246 | jz @f |
||
1247 | mov [si], ax |
||
1 | ha | 1248 | call printplain |
134 | diamond | 1249 | @@: |
1 | ha | 1250 | popa |
134 | diamond | 1251 | inc di |
1252 | cmp di, 2880-31 |
||
1253 | jnz .read_loop |
||
1254 | |||
1255 | ; mov cx, 0x0001 ; startcyl,startsector |
||
1256 | ; xor dx, dx ; starthead,drive |
||
1257 | ; push word 80*2 ; read no of sect |
||
1258 | ; reads: |
||
1259 | ; pusha |
||
1260 | ; xor si,si |
||
1261 | ; newread: |
||
1262 | ; mov bx,0xa000 ; es:bx -> data area |
||
1263 | ; mov ax,0x0200+18 ; read, no of sectors to read |
||
1264 | ; int 0x13 |
||
1265 | ; test ah, ah |
||
1266 | ; jz goodread |
||
1267 | ; inc si |
||
1268 | ; cmp si,10 |
||
1269 | ; jnz newread |
||
1270 | ; mov si,badsect-0x10000 |
||
1271 | ;sayerr_plain: |
||
1272 | ; call printplain |
||
1273 | ; jmp $ |
||
1274 | ; goodread: |
||
1275 | ; ; move -> 1mb |
||
1276 | ; mov si,movedesc-0x10000 |
||
1277 | ; push es |
||
1278 | ; push ds |
||
1279 | ; pop es |
||
1280 | ; mov cx,256*18 |
||
1281 | ; mov ah,0x87 |
||
1282 | ; int 0x15 |
||
1283 | ; pop es |
||
1284 | ; |
||
1285 | ; test ah,ah ; was the move successfull ? |
||
1286 | ; je goodmove |
||
1287 | ; mov dx,0x3f2 ; floppy motor off |
||
1288 | ; mov al,0 |
||
1289 | ; out dx,al |
||
1290 | ; mov si,memmovefailed-0x10000 |
||
1291 | ; jmp sayerr_plain |
||
1292 | ; goodmove: |
||
1293 | ; |
||
1294 | ; add dword [movedesc-0x10000+0x18+2], 512*18 |
||
1295 | ; popa |
||
1296 | ; inc dh |
||
1297 | ; cmp dh,2 |
||
1298 | ; jnz bb2 |
||
1299 | ; mov dh,0 |
||
1300 | ; inc ch |
||
1301 | ; pusha ; print prosentage |
||
1302 | ; mov si,pros-0x10000 |
||
1303 | ; shr ch, 2 |
||
1304 | ; mov al, '5' |
||
1305 | ; test ch, 1 |
||
1306 | ; jnz @f |
||
1307 | ; mov al, '0' |
||
1308 | ;@@: |
||
1309 | ; mov [si+1], al |
||
1310 | ; shr ch, 1 |
||
1311 | ; add ch, '0' |
||
1312 | ; mov [si], ch |
||
1313 | ; call printplain |
||
1314 | ; popa |
||
1315 | ; bb2: |
||
1316 | ; pop ax |
||
1317 | ; dec ax |
||
1318 | ; push ax |
||
1319 | ; jnz reads |
||
1320 | ; readdone: |
||
1321 | ; pop ax |
||
40 | halyavin | 1322 | mov si,backspace2-0x10000 |
1 | ha | 1323 | call printplain |
1324 | mov si,okt-0x10000 |
||
1325 | call printplain |
||
1326 | no_sys_on_floppy: |
||
76 | mario79 | 1327 | xor ax, ax ; reset drive |
1328 | xor dx, dx |
||
1 | ha | 1329 | int 0x13 |
1330 | mov dx,0x3f2 ; floppy motor off |
||
1331 | mov al,0 |
||
29 | halyavin | 1332 | out dx,al |
1 | ha | 1333 | |
76 | mario79 | 1334 | push es |
1 | ha | 1335 | ; PAGE TABLE |
1336 | |||
76 | mario79 | 1337 | push dword [es:0x9018] |
164 | serge | 1338 | ; |
1339 | ; mmap_mem equ 64 ; amount of memory to map |
||
1340 | ; |
||
76 | mario79 | 1341 | push 0x6000 |
1342 | pop es ; es:di = 6000:0 |
||
164 | serge | 1343 | ; xor di,di |
1344 | ; mov cx,256*mmap_mem ; Map (mapmem) M |
||
1345 | ;; initialize as identity mapping |
||
1346 | ; xor eax, eax |
||
1347 | ; call pagetable_set |
||
1348 | ; |
||
1349 | ; |
||
1 | ha | 1350 | ; 4 KB PAGE DIRECTORY |
164 | serge | 1351 | ; |
1352 | push 0x7F00 |
||
1353 | pop es ; es:di = 7F00:0 |
||
1354 | ; xor di, di |
||
1355 | ; mov cx, 64 / 4 |
||
1356 | ; mov eax, 0x60007 ; for 0 M |
||
1357 | ; call pagetable_set |
||
1358 | ; xor si,si |
||
1359 | ; mov di,second_base_address shr 20 |
||
1360 | ; mov cx,64/2 |
||
1361 | ; rep movs word [es:di], [es:si] |
||
1 | ha | 1362 | |
164 | serge | 1363 | ; mov eax, 0x7F000 +8+16 ; Page directory and enable caches |
1364 | ; mov cr3, eax |
||
1 | ha | 1365 | |
1366 | ; SET GRAPHICS |
||
1367 | |||
76 | mario79 | 1368 | pop es |
164 | serge | 1369 | |
1370 | xor ax, ax |
||
1371 | mov es, ax |
||
1372 | |||
1373 | mov ax,[es:0x9008] ; vga & 320x200 |
||
76 | mario79 | 1374 | mov bx, ax |
1 | ha | 1375 | cmp ax,0x13 |
1376 | je setgr |
||
1377 | cmp ax,0x12 |
||
1378 | je setgr |
||
1379 | mov ax,0x4f02 ; Vesa |
||
1380 | setgr: |
||
1381 | int 0x10 |
||
76 | mario79 | 1382 | test ah,ah |
1383 | mov si, fatalsel-0x10000 |
||
1384 | jnz sayerr |
||
1 | ha | 1385 | ; set mode 0x12 graphics registers: |
1386 | cmp bx,0x12 |
||
1387 | jne gmok2 |
||
1388 | |||
1389 | mov al,0x05 |
||
1390 | mov dx,0x03ce |
||
40 | halyavin | 1391 | push dx |
1 | ha | 1392 | out dx,al ; select GDC mode register |
1393 | mov al,0x02 |
||
76 | mario79 | 1394 | inc dx |
1 | ha | 1395 | out dx,al ; set write mode 2 |
1396 | |||
1397 | mov al,0x02 |
||
1398 | mov dx,0x03c4 |
||
1399 | out dx,al ; select VGA sequencer map mask register |
||
1400 | mov al,0x0f |
||
76 | mario79 | 1401 | inc dx |
1 | ha | 1402 | out dx,al ; set mask for all planes 0-3 |
1403 | |||
1404 | mov al,0x08 |
||
76 | mario79 | 1405 | pop dx |
1 | ha | 1406 | out dx,al ; select GDC bit mask register |
1407 | ; for writes to 0x03cf |
||
1408 | |||
1409 | gmok2: |
||
76 | mario79 | 1410 | push ds |
1411 | pop es |