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Rev | Author | Line No. | Line |
---|---|---|---|
220 | heavyiron | 1 | ; flat assembler |
2664 | dunkaist | 2 | ; Copyright (c) 1999-2012, Tomasz Grysztar |
31 | halyavin | 3 | ; All rights reserved. |
4 | |||
182 | serge | 5 | struc FILEIO |
6 | { .cmd dd ? |
||
7 | .offset dd ? |
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8 | dd ? |
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9 | .count dd ? |
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10 | .buff dd ? |
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11 | db ? |
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12 | .name dd ? |
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13 | }; |
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14 | |||
15 | struc FILEINFO |
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16 | { .attr dd ? |
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17 | .flags dd ? |
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18 | .cr_time dd ? |
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19 | .cr_date dd ? |
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20 | .acc_time dd ? |
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21 | .acc_date dd ? |
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22 | .mod_time dd ? |
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23 | .mod_date dd ? |
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24 | .size dd ? |
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25 | } |
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26 | |||
27 | |||
28 | |||
29 | ;file_info_open: dd 0,0,0xffffff,0x20000,0xf0000 |
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174 | heavyiron | 30 | fullpath_open: ; db '/RD/1/EXAMPLE.ASM' |
31 | halyavin | 31 | times MAX_PATH db 0 |
32 | |||
174 | heavyiron | 33 | |
182 | serge | 34 | ;file_info_write: dd 1,0,0,0,0xf0000 |
174 | heavyiron | 35 | fullpath_write:; db '/RD/1/EXAMPLE' |
31 | halyavin | 36 | times MAX_PATH db 0 |
37 | |||
542 | diamond | 38 | file_info_start: |
174 | heavyiron | 39 | dd 7 |
40 | dd 0 |
||
41 | dd 0 |
||
42 | dd 0 |
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43 | dd 0 |
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44 | fullpath_start: ; db '/RD/1/EXAMPLE' |
||
31 | halyavin | 45 | times MAX_PATH db 0 |
46 | |||
542 | diamond | 47 | file_info_debug: |
48 | dd 7 |
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49 | dd 0 |
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50 | dd fullpath_start |
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51 | dd 0, 0 |
||
52 | db '/SYS/DEVELOP/MTDBG',0 |
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53 | |||
54 | _ramdisk db '/RD/1/' |
||
31 | halyavin | 55 | filepos dd 0x0 |
56 | |||
835 | serge | 57 | |
31 | halyavin | 58 | init_memory: |
835 | serge | 59 | |
1443 | diamond | 60 | ; mov ecx, 16*1024*1024 |
61 | ; |
||
62 | ; allocate_memory: |
||
63 | mcall 18, 16 |
||
64 | cmp eax, 0x38000000 shr 9 |
||
65 | jbe @f |
||
66 | mov eax, 0x38000000 shr 9 |
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67 | @@: |
||
68 | shl eax, 9 |
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69 | xchg eax, ecx |
||
835 | serge | 70 | mov [memory_setting],ecx |
755 | diamond | 71 | mcall 68, 12 |
835 | serge | 72 | or eax,eax |
73 | jz out_of_memory |
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1443 | diamond | 74 | mov [memblock], eax |
835 | serge | 75 | mov [additional_memory],eax |
76 | add eax,[memory_setting] |
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755 | diamond | 77 | mov [memory_end],eax |
835 | serge | 78 | mov eax,[memory_setting] |
79 | shr eax,2 |
||
80 | add eax,[additional_memory] |
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81 | mov [additional_memory_end],eax |
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82 | mov [memory_start],eax |
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31 | halyavin | 83 | ret |
84 | |||
85 | exit_program: |
||
86 | cmp [_mode],NORMAL_MODE |
||
635 | diamond | 87 | jne @f |
755 | diamond | 88 | mcall 68, 13, [memblock] |
635 | diamond | 89 | jmp still |
90 | @@: |
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31 | halyavin | 91 | or eax,-1 |
485 | heavyiron | 92 | mcall |
31 | halyavin | 93 | |
94 | make_timestamp: |
||
95 | push ebx |
||
96 | mcall 26,9 |
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97 | imul eax,10 |
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98 | pop ebx |
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99 | ret |
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100 | |||
2287 | heavyiron | 101 | symbol_dump: |
102 | |||
103 | push edi |
||
104 | mov edx,[memory_end] |
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105 | symb_dump: |
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106 | cmp edx,[labels_list] |
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107 | jbe symbols_dumped |
||
108 | sub edx,LABEL_STRUCTURE_SIZE |
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109 | cmp dword [edx+24],0 |
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110 | je symb_dump ; do not dump anonymous symbols |
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111 | test byte [edx+8],1 |
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112 | jz symb_dump ; do not dump symbols that didn't get defined |
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113 | mov ax,[current_pass] |
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114 | cmp ax,[edx+16] |
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115 | jne symb_dump |
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116 | test byte [edx+8],4 or 2 |
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117 | jnz symb_dump ; do not dump assembly-time variables |
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118 | ; do not dump variables defined with '=' |
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119 | cmp word [edx+12], 0 |
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120 | jnz symb_dump ; do not dump register-based variables |
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121 | |||
122 | mov al, '0' |
||
123 | stosb |
||
124 | mov al, 'x' |
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125 | stosb |
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126 | mov eax, [edx+4] |
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127 | mov ecx, 8 |
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128 | @@: |
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129 | rol eax, 4 |
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130 | test al, 0xF |
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131 | loopz @b |
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132 | jz .nohigh |
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133 | inc ecx |
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134 | @@: |
||
135 | push eax |
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136 | and al, 0xF |
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137 | cmp al, 10 |
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138 | sbb al, 69h |
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139 | das |
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140 | stosb |
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141 | pop eax |
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142 | rol eax, 4 |
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143 | loop @b |
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144 | mov eax, [edx] |
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145 | mov ecx, 8 |
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146 | jmp .low |
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147 | .nohigh: |
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148 | mov eax, [edx] |
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149 | mov ecx, 8 |
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150 | @@: |
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151 | rol eax, 4 |
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152 | test al, 0xF |
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153 | loopz @b |
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154 | inc ecx |
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155 | .low: |
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156 | push eax |
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157 | and al, 0xF |
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158 | cmp al, 10 |
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159 | sbb al, 69h |
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160 | das |
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161 | stosb |
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162 | pop eax |
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163 | rol eax, 4 |
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164 | loop .low |
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165 | |||
166 | mov al, ' ' |
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167 | stosb |
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168 | |||
169 | mov esi,[edx+24] |
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170 | movzx ecx,byte [esi-1] |
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171 | rep movsb |
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172 | |||
173 | mov ax,0A0Dh |
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174 | stosw |
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175 | |||
176 | jmp symb_dump |
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177 | |||
178 | symbols_dumped: |
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179 | mov edx,dbgfilename |
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180 | push esi edi |
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181 | mov esi, outfile |
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182 | mov edi, edx |
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183 | @@: |
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184 | lodsb |
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185 | stosb |
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186 | test al, al |
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187 | jnz @b |
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188 | lea ecx, [edi-1] |
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189 | @@: |
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190 | dec edi |
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191 | cmp edi, edx |
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192 | jb @f |
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193 | cmp byte [edi], '/' |
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194 | jz @f |
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195 | cmp byte [edi], '.' |
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196 | jnz @b |
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197 | mov ecx, edi |
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198 | @@: |
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199 | mov dword [ecx], '.dbg' |
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200 | mov byte [ecx+4], 0 |
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201 | pop edi esi |
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202 | call create |
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203 | mov edx,[esp] |
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204 | mov ecx,edi |
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205 | sub ecx,edx |
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206 | call write |
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207 | call close |
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208 | pop edi |
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209 | |||
210 | ret |
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211 | |||
31 | halyavin | 212 | get_environment_variable: |
213 | mov ecx,[memory_end] |
||
214 | sub ecx,edi |
||
215 | cmp ecx,7 |
||
216 | jb out_of_memory |
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217 | cmp dword[esi],'INCL' |
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218 | jne .finish |
||
219 | mov esi,_ramdisk |
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220 | mov ecx,6 |
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221 | cld |
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222 | rep movsb |
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223 | .finish: |
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224 | ; stc |
||
225 | ret |
||
226 | |||
332 | diamond | 227 | alloc_handle: |
228 | call make_fullpaths |
||
229 | mov ebx, fileinfos+4 |
||
230 | @@: |
||
231 | cmp dword [ebx], -1 |
||
232 | jz .found |
||
233 | add ebx, 4+20+MAX_PATH |
||
234 | cmp ebx, fileinfos_end |
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235 | jb @b |
||
236 | stc |
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237 | ret |
||
238 | .found: |
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239 | and dword [ebx+4], 0 |
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240 | and dword [ebx+8], 0 |
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241 | push esi edi ecx |
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242 | mov esi, fullpath_open |
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243 | lea edi, [ebx+20] |
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244 | mov ecx, MAX_PATH |
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245 | rep movsb |
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246 | pop ecx edi esi |
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247 | ret ; CF=0 |
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31 | halyavin | 248 | |
249 | create: |
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332 | diamond | 250 | call alloc_handle |
251 | jc .ret |
||
252 | and dword [ebx-4], 0 |
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253 | mov dword [ebx], 2 |
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254 | .ret: |
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255 | ret |
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31 | halyavin | 256 | |
182 | serge | 257 | |
258 | open: |
||
259 | ; call make_fullpaths |
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260 | |||
261 | ;; mov eax,fullpath_open |
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262 | ;; DEBUGF '"%s"\n',eax |
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263 | |||
264 | ; mov dword[file_info_open+8],-1 |
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265 | ; mcall 58,file_info_open |
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266 | ; or eax,eax ; found |
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267 | ; jz @f |
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268 | ; cmp eax,6 |
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269 | ; jne file_error |
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270 | ;@@: mov [filesize],ebx |
||
271 | ; clc |
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272 | ; ret |
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273 | ;file_error: |
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274 | ; stc |
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275 | ; ret |
||
276 | |||
332 | diamond | 277 | call alloc_handle |
278 | jc .ret |
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279 | mov dword [ebx], 5 |
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280 | and dword [ebx+12], 0 |
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281 | mov dword [ebx+16], fileinfo |
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282 | mov eax, 70 |
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283 | push ebx |
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485 | heavyiron | 284 | mcall |
332 | diamond | 285 | pop ebx |
286 | test eax, eax |
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287 | jnz .fail |
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288 | mov eax, [fileinfo.size] |
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289 | mov [ebx-4], eax |
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290 | and dword [ebx], 0 |
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291 | .ret: |
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292 | ret |
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182 | serge | 293 | .fail: |
332 | diamond | 294 | or dword [ebx], -1 ; close handle |
295 | stc |
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296 | ret |
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182 | serge | 297 | |
298 | read: |
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299 | ; pusha |
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300 | ; mov edi,edx |
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301 | ; mov esi,[filepos] |
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302 | ; add esi,0x20000 |
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303 | ; cld |
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304 | ; rep movsb |
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305 | ; popa |
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306 | ;; ret |
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307 | |||
332 | diamond | 308 | mov [ebx+12], ecx |
309 | mov [ebx+16], edx |
||
310 | push ebx |
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311 | mov eax, 70 |
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485 | heavyiron | 312 | mcall |
332 | diamond | 313 | xchg eax, [esp] |
314 | add [eax+4], ebx |
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315 | adc [eax+8], dword 0 |
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316 | mov ebx, eax |
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317 | pop eax |
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318 | test eax, eax |
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319 | jz .ok |
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320 | cmp eax, 6 |
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321 | jz .ok |
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322 | stc |
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323 | .ok: |
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324 | ret |
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325 | |||
182 | serge | 326 | close: |
332 | diamond | 327 | or dword [ebx], -1 |
328 | ret |
||
182 | serge | 329 | |
330 | |||
31 | halyavin | 331 | ; ebx file handle |
332 | ; ecx count of bytes to write |
||
333 | ; edx pointer to buffer |
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334 | write: |
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182 | serge | 335 | ; pusha |
336 | ; mov [file_info_write+8],ecx |
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337 | ; mov [file_info_write+12],edx |
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338 | ; mov [filesize],edx |
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339 | ; mov eax,58 |
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340 | ; mov ebx,file_info_write |
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485 | heavyiron | 341 | ; mcall |
182 | serge | 342 | ; popa |
343 | ; ret |
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31 | halyavin | 344 | |
332 | diamond | 345 | mov [ebx+12], ecx |
346 | mov [ebx+16], edx |
||
347 | push ebx |
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348 | mov eax, 70 |
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485 | heavyiron | 349 | mcall |
332 | diamond | 350 | xchg eax, [esp] |
351 | add [eax+4], ebx |
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352 | adc [eax+8], dword 0 |
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353 | mov ebx, eax |
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354 | pop eax |
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355 | mov byte [ebx], 3 |
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356 | cmp eax, 1 |
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357 | cmc |
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358 | ret |
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182 | serge | 359 | |
31 | halyavin | 360 | make_fullpaths: |
361 | pusha |
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362 | push edx |
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363 | |||
364 | mov esi,path ; open |
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365 | ; DEBUGF " '%s'",esi |
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366 | mov edi,fullpath_open |
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367 | cld |
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368 | newc1: |
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369 | movsb |
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370 | cmp byte[esi],0;' ' |
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371 | jne newc1 |
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372 | mov esi,[esp] |
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373 | |||
374 | cmp byte[esi],'/' |
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375 | jne @f |
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376 | mov edi,fullpath_open |
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377 | |||
378 | @@: |
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379 | lodsb |
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380 | stosb |
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381 | cmp al,0 |
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382 | jne @b |
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383 | ; mov ecx,12 |
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384 | ; cld |
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385 | ; rep movsb |
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386 | ; mov byte[edi],0 |
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387 | |||
388 | mov esi,path ; write |
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389 | mov edi,fullpath_write |
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390 | cld |
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391 | newc2: |
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392 | movsb |
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393 | cmp byte[esi],0;' ' |
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394 | jne newc2 |
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395 | mov esi,[esp] |
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396 | |||
397 | cmp byte[esi],'/' |
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398 | jne @f |
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399 | mov edi,fullpath_write |
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400 | |||
401 | @@: |
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402 | lodsb |
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403 | stosb |
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404 | cmp al,0 |
||
405 | jne @b |
||
406 | ; mov ecx,12 |
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407 | ; cld |
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408 | ; rep movsb |
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409 | ; mov byte[edi],0 |
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410 | |||
411 | mov esi,path ; start |
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412 | mov edi,fullpath_start |
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413 | cld |
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414 | newc3: |
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415 | movsb |
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416 | cmp byte[esi],0;' ' |
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417 | jne newc3 |
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418 | ; mov esi,[esp] |
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419 | pop esi |
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420 | |||
421 | cmp byte[esi],'/' |
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422 | jne @f |
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423 | mov edi,fullpath_start |
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424 | |||
425 | @@: |
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426 | lodsb |
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427 | stosb |
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428 | cmp al,0 |
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429 | jne @b |
||
430 | ; mov ecx,12 |
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431 | ; cld |
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432 | ; rep movsb |
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433 | ; mov byte[edi],0 |
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434 | |||
435 | ; add esp,4 |
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436 | popa |
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437 | ret |
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438 | |||
439 | |||
440 | |||
441 | lseek: |
||
442 | cmp al,0 |
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443 | jnz @f |
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332 | diamond | 444 | and dword [ebx+4], 0 |
445 | and dword [ebx+8], 0 |
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31 | halyavin | 446 | @@: cmp al,2 |
447 | jnz @f |
||
332 | diamond | 448 | mov eax, [ebx-4] |
449 | mov [ebx+4], eax |
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450 | and dword [ebx+8], 0 |
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451 | @@: add dword [ebx+4], edx |
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452 | adc dword [ebx+8], 0 |
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31 | halyavin | 453 | ret |
454 | |||
455 | display_character: |
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456 | pusha |
||
457 | cmp [_mode],NORMAL_MODE |
||
458 | jne @f |
||
459 | cmp dl,13 |
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460 | jz dc2 |
||
461 | cmp dl,0xa |
||
462 | jnz dc1 |
||
463 | and [textxy],0x0000FFFF |
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370 | heavyiron | 464 | add [textxy], 7 shl 16 +53 and 0xFFFF0000 + 10 |
182 | serge | 465 | dc2: |
174 | heavyiron | 466 | popa |
31 | halyavin | 467 | ret |
182 | serge | 468 | dc1: |
174 | heavyiron | 469 | mov eax,[textxy] |
31 | halyavin | 470 | cmp ax,word[bottom_right] |
471 | ja dc2 |
||
472 | shr eax,16 |
||
473 | cmp ax,word[bottom_right+2] |
||
474 | ja dc2 |
||
475 | mov [dc],dl |
||
476 | mcall 4,[textxy],[sc.work_text],dc,1 |
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477 | add [textxy],0x00060000 |
||
478 | popa |
||
479 | ret |
||
174 | heavyiron | 480 | @@: |
481 | mov eax,63 |
||
31 | halyavin | 482 | mov ebx,1 |
483 | mov cl,dl |
||
485 | heavyiron | 484 | mcall |
31 | halyavin | 485 | popa |
486 | ret |
||
487 | |||
488 | |||
489 | display_string: |
||
490 | pusha |
||
182 | serge | 491 | @@: |
174 | heavyiron | 492 | cmp byte[esi],0 |
31 | halyavin | 493 | je @f |
494 | mov dl,[esi] |
||
495 | call display_character |
||
496 | add esi,1 |
||
497 | jmp @b |
||
174 | heavyiron | 498 | @@: |
499 | popa |
||
31 | halyavin | 500 | ret |
501 | |||
502 | display_number: |
||
503 | push ebx |
||
504 | mov ecx,1000000000 |
||
505 | xor edx,edx |
||
506 | xor bl,bl |
||
174 | heavyiron | 507 | display_loop: |
31 | halyavin | 508 | div ecx |
509 | push edx |
||
510 | cmp ecx,1 |
||
511 | je display_digit |
||
512 | or bl,bl |
||
513 | jnz display_digit |
||
514 | or al,al |
||
515 | jz digit_ok |
||
516 | not bl |
||
174 | heavyiron | 517 | display_digit: |
31 | halyavin | 518 | mov dl,al |
519 | add dl,30h |
||
520 | push ebx ecx |
||
521 | call display_character |
||
522 | pop ecx ebx |
||
174 | heavyiron | 523 | digit_ok: |
31 | halyavin | 524 | mov eax,ecx |
525 | xor edx,edx |
||
526 | mov ecx,10 |
||
527 | div ecx |
||
528 | mov ecx,eax |
||
529 | pop eax |
||
530 | or ecx,ecx |
||
531 | jnz display_loop |
||
532 | pop ebx |
||
533 | ret |
||
534 | |||
535 | display_user_messages: |
||
536 | ; push [skinh] |
||
537 | ; pop [textxy] |
||
370 | heavyiron | 538 | ; add [textxy], 7 shl 16 +53 |
31 | halyavin | 539 | mov [displayed_count],0 |
992 | heavyiron | 540 | call show_display_buffer |
31 | halyavin | 541 | cmp [displayed_count],1 |
542 | jb line_break_ok |
||
543 | je make_line_break |
||
544 | mov ax,word[last_displayed] |
||
545 | cmp ax,0A0Dh |
||
546 | je line_break_ok |
||
547 | cmp ax,0D0Ah |
||
548 | je line_break_ok |
||
174 | heavyiron | 549 | make_line_break: |
31 | halyavin | 550 | mov esi,lf |
551 | call display_string |
||
174 | heavyiron | 552 | line_break_ok: |
31 | halyavin | 553 | ret |
554 | |||
555 | display_block: |
||
556 | pusha |
||
174 | heavyiron | 557 | @@: mov dl,[esi] |
31 | halyavin | 558 | call display_character |
559 | inc esi |
||
560 | loop @b |
||
561 | popa |
||
562 | ret |
||
563 | |||
564 | fatal_error: |
||
565 | mov esi,error_prefix |
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566 | call display_string |
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567 | pop esi |
||
568 | call display_string |
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569 | mov esi,error_suffix |
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570 | call display_string |
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571 | mov esi,lf |
||
572 | call display_string |
||
573 | mov al,0FFh |
||
574 | jmp exit_program |
||
575 | |||
576 | assembler_error: |
||
577 | call display_user_messages |
||
578 | push dword 0 |
||
579 | mov ebx,[current_line] |
||
174 | heavyiron | 580 | get_error_lines: |
31 | halyavin | 581 | push ebx |
582 | test byte [ebx+7],80h |
||
583 | jz display_error_line |
||
584 | mov edx,ebx |
||
174 | heavyiron | 585 | find_definition_origin: |
31 | halyavin | 586 | mov edx,[edx+12] |
587 | test byte [edx+7],80h |
||
588 | jnz find_definition_origin |
||
589 | push edx |
||
590 | mov ebx,[ebx+8] |
||
591 | jmp get_error_lines |
||
174 | heavyiron | 592 | display_error_line: |
31 | halyavin | 593 | mov esi,[ebx] |
594 | call display_string |
||
595 | mov esi,line_number_start |
||
596 | call display_string |
||
597 | mov eax,[ebx+4] |
||
598 | and eax,7FFFFFFFh |
||
599 | call display_number |
||
600 | mov dl,']' |
||
601 | call display_character |
||
602 | pop esi |
||
603 | cmp ebx,esi |
||
604 | je line_number_ok |
||
605 | mov dl,20h |
||
606 | call display_character |
||
607 | push esi |
||
608 | mov esi,[esi] |
||
609 | movzx ecx,byte [esi] |
||
610 | inc esi |
||
611 | call display_block |
||
612 | mov esi,line_number_start |
||
613 | call display_string |
||
614 | pop esi |
||
615 | mov eax,[esi+4] |
||
616 | and eax,7FFFFFFFh |
||
617 | call display_number |
||
618 | mov dl,']' |
||
619 | call display_character |
||
174 | heavyiron | 620 | line_number_ok: |
31 | halyavin | 621 | mov esi,line_data_start |
622 | call display_string |
||
623 | mov esi,ebx |
||
624 | mov edx,[esi] |
||
625 | call open |
||
626 | mov al,2 |
||
627 | xor edx,edx |
||
628 | call lseek |
||
629 | mov edx,[esi+8] |
||
630 | sub eax,edx |
||
631 | push eax |
||
632 | xor al,al |
||
633 | call lseek |
||
634 | mov ecx,[esp] |
||
635 | mov edx,[additional_memory] |
||
636 | lea eax,[edx+ecx] |
||
637 | cmp eax,[additional_memory_end] |
||
638 | ja out_of_memory |
||
639 | call read |
||
640 | call close |
||
641 | pop ecx |
||
642 | mov esi,[additional_memory] |
||
174 | heavyiron | 643 | get_line_data: |
31 | halyavin | 644 | mov al,[esi] |
645 | cmp al,0Ah |
||
646 | je display_line_data |
||
647 | cmp al,0Dh |
||
648 | je display_line_data |
||
649 | cmp al,1Ah |
||
650 | je display_line_data |
||
651 | or al,al |
||
652 | jz display_line_data |
||
653 | inc esi |
||
654 | loop get_line_data |
||
174 | heavyiron | 655 | display_line_data: |
31 | halyavin | 656 | mov ecx,esi |
657 | mov esi,[additional_memory] |
||
658 | sub ecx,esi |
||
659 | call display_block |
||
660 | mov esi,cr_lf |
||
661 | call display_string |
||
662 | pop ebx |
||
663 | or ebx,ebx |
||
664 | jnz display_error_line |
||
665 | mov esi,error_prefix |
||
666 | call display_string |
||
667 | pop esi |
||
668 | call display_string |
||
669 | mov esi,error_suffix |
||
670 | call display_string |
||
671 | jmp exit_program |
||
672 | |||
182 | serge | 673 | align 4 |
674 | fileinfo FILEINFO |
||
31 | halyavin | 675 | |
676 | character db ?,0 |
||
677 | bytes_count dd ? |
||
678 | |||
679 | textxy dd 0x000500A0 |
||
680 | dc db 0x0 |
||
681 | filesize dd 0x0 |
||
682 | |||
683 | displayed_count dd ? |
||
684 | last_displayed rb 2 |
||
685 | |||
686 | error_prefix db 'error: ',0 |
||
687 | error_suffix db '.',0 |
||
688 | line_data_start db ':' |
||
689 | cr_lf db 0Dh,0Ah,0 |
||
690 | line_number_start db ' [',0 |
||
691 | |||
174 | heavyiron | 692 | macro dm string { db string,0 } |