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1 | $Revision: 536 $ |
1 | $Revision: 537 $ |
2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
3 | ;; ;; |
4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
6 | ;; ;; |
6 | ;; ;; |
7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
8 | 8 | ||
9 | uglobal |
9 | uglobal |
10 | cd_current_pointer_of_input dd 0 |
10 | cd_current_pointer_of_input dd 0 |
11 | cd_current_pointer_of_input_2 dd 0 |
11 | cd_current_pointer_of_input_2 dd 0 |
12 | cd_mem_location dd 0 |
12 | cd_mem_location dd 0 |
13 | cd_counter_block dd 0 |
13 | cd_counter_block dd 0 |
14 | IDE_Channel_1 db 0 |
14 | IDE_Channel_1 db 0 |
15 | IDE_Channel_2 db 0 |
15 | IDE_Channel_2 db 0 |
16 | endg |
16 | endg |
17 | 17 | ||
18 | reserve_cd: |
18 | reserve_cd: |
19 | 19 | ||
20 | cli |
20 | cli |
21 | cmp [cd_status],0 |
21 | cmp [cd_status],0 |
22 | je reserve_ok2 |
22 | je reserve_ok2 |
23 | 23 | ||
24 | sti |
24 | sti |
25 | call change_task |
25 | call change_task |
26 | jmp reserve_cd |
26 | jmp reserve_cd |
27 | 27 | ||
28 | reserve_ok2: |
28 | reserve_ok2: |
29 | 29 | ||
30 | push eax |
30 | push eax |
31 | mov eax,[CURRENT_TASK] |
31 | mov eax,[CURRENT_TASK] |
32 | shl eax,5 |
32 | shl eax,5 |
33 | mov eax,[eax+CURRENT_TASK+TASKDATA.pid] |
33 | mov eax,[eax+CURRENT_TASK+TASKDATA.pid] |
34 | mov [cd_status],eax |
34 | mov [cd_status],eax |
35 | pop eax |
35 | pop eax |
36 | sti |
36 | sti |
37 | ret |
37 | ret |
38 | 38 | ||
39 | reserve_cd_channel: |
39 | reserve_cd_channel: |
40 | cmp [ChannelNumber],1 |
40 | cmp [ChannelNumber],1 |
41 | jne .IDE_Channel_2 |
41 | jne .IDE_Channel_2 |
42 | .IDE_Channel_1: |
42 | .IDE_Channel_1: |
43 | cli |
43 | cli |
44 | cmp [IDE_Channel_1],0 |
44 | cmp [IDE_Channel_1],0 |
45 | je .reserve_ok_1 |
45 | je .reserve_ok_1 |
46 | sti |
46 | sti |
47 | call change_task |
47 | call change_task |
48 | jmp .IDE_Channel_1 |
48 | jmp .IDE_Channel_1 |
49 | .IDE_Channel_2: |
49 | .IDE_Channel_2: |
50 | cli |
50 | cli |
51 | cmp [IDE_Channel_2],0 |
51 | cmp [IDE_Channel_2],0 |
52 | je .reserve_ok_2 |
52 | je .reserve_ok_2 |
53 | sti |
53 | sti |
54 | call change_task |
54 | call change_task |
55 | jmp .IDE_Channel_1 |
55 | jmp .IDE_Channel_1 |
56 | .reserve_ok_1: |
56 | .reserve_ok_1: |
57 | mov [IDE_Channel_1],1 |
57 | mov [IDE_Channel_1],1 |
58 | ret |
58 | ret |
59 | .reserve_ok_2: |
59 | .reserve_ok_2: |
60 | mov [IDE_Channel_2],1 |
60 | mov [IDE_Channel_2],1 |
61 | ret |
61 | ret |
62 | 62 | ||
63 | free_cd_channel: |
63 | free_cd_channel: |
64 | cmp [ChannelNumber],1 |
64 | cmp [ChannelNumber],1 |
65 | jne .IDE_Channel_2 |
65 | jne .IDE_Channel_2 |
66 | .IDE_Channel_1: |
66 | .IDE_Channel_1: |
67 | mov [IDE_Channel_1],0 |
67 | mov [IDE_Channel_1],0 |
68 | ret |
68 | ret |
69 | .IDE_Channel_2: |
69 | .IDE_Channel_2: |
70 | mov [IDE_Channel_2],0 |
70 | mov [IDE_Channel_2],0 |
71 | ret |
71 | ret |
72 | 72 | ||
73 | uglobal |
73 | uglobal |
74 | cd_status dd 0 |
74 | cd_status dd 0 |
75 | endg |
75 | endg |
76 | 76 | ||
77 | ;---------------------------------------------------------------- |
77 | ;---------------------------------------------------------------- |
78 | ; |
78 | ; |
79 | ; fs_CdRead - LFN variant for reading CD disk |
79 | ; fs_CdRead - LFN variant for reading CD disk |
80 | ; |
80 | ; |
81 | ; esi points to filename /dir1/dir2/.../dirn/file,0 |
81 | ; esi points to filename /dir1/dir2/.../dirn/file,0 |
82 | ; ebx pointer to 64-bit number = first wanted byte, 0+ |
82 | ; ebx pointer to 64-bit number = first wanted byte, 0+ |
83 | ; may be ebx=0 - start from first byte |
83 | ; may be ebx=0 - start from first byte |
84 | ; ecx number of bytes to read, 0+ |
84 | ; ecx number of bytes to read, 0+ |
85 | ; edx mem location to return data |
85 | ; edx mem location to return data |
86 | ; |
86 | ; |
87 | ; ret ebx = bytes read or 0xffffffff file not found |
87 | ; ret ebx = bytes read or 0xffffffff file not found |
88 | ; eax = 0 ok read or other = errormsg |
88 | ; eax = 0 ok read or other = errormsg |
89 | ; |
89 | ; |
90 | ;-------------------------------------------------------------- |
90 | ;-------------------------------------------------------------- |
91 | fs_CdRead: |
91 | fs_CdRead: |
92 | push edi |
92 | push edi |
93 | cmp byte [esi], 0 |
93 | cmp byte [esi], 0 |
94 | jnz @f |
94 | jnz @f |
95 | .noaccess: |
95 | .noaccess: |
96 | pop edi |
96 | pop edi |
97 | .noaccess_2: |
97 | .noaccess_2: |
98 | or ebx, -1 |
98 | or ebx, -1 |
99 | mov eax, ERROR_ACCESS_DENIED |
99 | mov eax, ERROR_ACCESS_DENIED |
100 | ret |
100 | ret |
101 | 101 | ||
102 | .noaccess_3: |
102 | .noaccess_3: |
103 | pop eax edx ecx edi |
103 | pop eax edx ecx edi |
104 | jmp .noaccess_2 |
104 | jmp .noaccess_2 |
105 | 105 | ||
106 | @@: |
106 | @@: |
107 | call cd_find_lfn |
107 | call cd_find_lfn |
108 | jnc .found |
108 | jnc .found |
109 | pop edi |
109 | pop edi |
110 | cmp [DevErrorCode],0 |
110 | cmp [DevErrorCode],0 |
111 | jne .noaccess_2 |
111 | jne .noaccess_2 |
112 | or ebx, -1 |
112 | or ebx, -1 |
113 | mov eax, ERROR_FILE_NOT_FOUND |
113 | mov eax, ERROR_FILE_NOT_FOUND |
114 | ret |
114 | ret |
115 | 115 | ||
116 | .found: |
116 | .found: |
117 | mov edi,[cd_current_pointer_of_input] |
117 | mov edi,[cd_current_pointer_of_input] |
118 | test byte [edi+25],10b ; do not allow read directories |
118 | test byte [edi+25],10b ; do not allow read directories |
119 | jnz .noaccess |
119 | jnz .noaccess |
120 | test ebx, ebx |
120 | test ebx, ebx |
121 | jz .l1 |
121 | jz .l1 |
122 | cmp dword [ebx+4], 0 |
122 | cmp dword [ebx+4], 0 |
123 | jz @f |
123 | jz @f |
124 | xor ebx, ebx |
124 | xor ebx, ebx |
125 | .reteof: |
125 | .reteof: |
126 | mov eax, 6 ; end of file |
126 | mov eax, 6 ; end of file |
127 | pop edi |
127 | pop edi |
128 | ret |
128 | ret |
129 | @@: |
129 | @@: |
130 | mov ebx, [ebx] |
130 | mov ebx, [ebx] |
131 | .l1: |
131 | .l1: |
132 | push ecx edx |
132 | push ecx edx |
133 | push 0 |
133 | push 0 |
134 | mov eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè |
134 | mov eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè |
135 | sub eax, ebx |
135 | sub eax, ebx |
136 | jb .eof |
136 | jb .eof |
137 | cmp eax, ecx |
137 | cmp eax, ecx |
138 | jae @f |
138 | jae @f |
139 | mov ecx, eax |
139 | mov ecx, eax |
140 | mov byte [esp], 6 |
140 | mov byte [esp], 6 |
141 | @@: |
141 | @@: |
142 | mov eax,[edi+2] |
142 | mov eax,[edi+2] |
143 | mov [CDSectorAddress],eax |
143 | mov [CDSectorAddress],eax |
144 | ; now eax=cluster, ebx=position, ecx=count, edx=buffer for data |
144 | ; now eax=cluster, ebx=position, ecx=count, edx=buffer for data |
145 | .new_sector: |
145 | .new_sector: |
146 | test ecx, ecx |
146 | test ecx, ecx |
147 | jz .done |
147 | jz .done |
148 | sub ebx, 2048 |
148 | sub ebx, 2048 |
149 | jae .next |
149 | jae .next |
150 | add ebx, 2048 |
150 | add ebx, 2048 |
151 | jnz .incomplete_sector |
151 | jnz .incomplete_sector |
152 | cmp ecx, 2048 |
152 | cmp ecx, 2048 |
153 | jb .incomplete_sector |
153 | jb .incomplete_sector |
154 | ; we may read and memmove complete sector |
154 | ; we may read and memmove complete sector |
155 | mov [CDDataBuf_pointer],edx |
155 | mov [CDDataBuf_pointer],edx |
156 | call ReadCDWRetr ; ÷èòàåì ñåêòîð ôàéëà |
156 | call ReadCDWRetr ; ÷èòàåì ñåêòîð ôàéëà |
157 | cmp [DevErrorCode],0 |
157 | cmp [DevErrorCode],0 |
158 | jne .noaccess_3 |
158 | jne .noaccess_3 |
159 | add edx, 2048 |
159 | add edx, 2048 |
160 | sub ecx, 2048 |
160 | sub ecx, 2048 |
161 | .next: |
161 | .next: |
162 | inc dword [CDSectorAddress] |
162 | inc dword [CDSectorAddress] |
163 | jmp .new_sector |
163 | jmp .new_sector |
164 | .incomplete_sector: |
164 | .incomplete_sector: |
165 | ; we must read and memmove incomplete sector |
165 | ; we must read and memmove incomplete sector |
166 | mov [CDDataBuf_pointer],CDDataBuf |
166 | mov [CDDataBuf_pointer],CDDataBuf |
167 | call ReadCDWRetr ; ÷èòàåì ñåêòîð ôàéëà |
167 | call ReadCDWRetr ; ÷èòàåì ñåêòîð ôàéëà |
168 | cmp [DevErrorCode],0 |
168 | cmp [DevErrorCode],0 |
169 | jne .noaccess_3 |
169 | jne .noaccess_3 |
170 | push ecx |
170 | push ecx |
171 | add ecx, ebx |
171 | add ecx, ebx |
172 | cmp ecx, 2048 |
172 | cmp ecx, 2048 |
173 | jbe @f |
173 | jbe @f |
174 | mov ecx, 2048 |
174 | mov ecx, 2048 |
175 | @@: |
175 | @@: |
176 | sub ecx, ebx |
176 | sub ecx, ebx |
177 | push edi esi ecx |
177 | push edi esi ecx |
178 | mov edi,edx |
178 | mov edi,edx |
179 | lea esi, [CDDataBuf + ebx] |
179 | lea esi, [CDDataBuf + ebx] |
180 | cld |
180 | cld |
181 | rep movsb |
181 | rep movsb |
182 | pop ecx esi edi |
182 | pop ecx esi edi |
183 | add edx, ecx |
183 | add edx, ecx |
184 | sub [esp], ecx |
184 | sub [esp], ecx |
185 | pop ecx |
185 | pop ecx |
186 | xor ebx, ebx |
186 | xor ebx, ebx |
187 | jmp .next |
187 | jmp .next |
188 | 188 | ||
189 | .done: |
189 | .done: |
190 | mov ebx, edx |
190 | mov ebx, edx |
191 | pop eax edx ecx edi |
191 | pop eax edx ecx edi |
192 | sub ebx, edx |
192 | sub ebx, edx |
193 | ret |
193 | ret |
194 | .eof: |
194 | .eof: |
195 | mov ebx, edx |
195 | mov ebx, edx |
196 | pop eax edx ecx |
196 | pop eax edx ecx |
197 | sub ebx, edx |
197 | sub ebx, edx |
198 | jmp .reteof |
198 | jmp .reteof |
199 | 199 | ||
200 | ;---------------------------------------------------------------- |
200 | ;---------------------------------------------------------------- |
201 | ; |
201 | ; |
202 | ; fs_CdReadFolder - LFN variant for reading CD disk folder |
202 | ; fs_CdReadFolder - LFN variant for reading CD disk folder |
203 | ; |
203 | ; |
204 | ; esi points to filename /dir1/dir2/.../dirn/file,0 |
204 | ; esi points to filename /dir1/dir2/.../dirn/file,0 |
205 | ; ebx pointer to structure 32-bit number = first wanted block, 0+ |
205 | ; ebx pointer to structure 32-bit number = first wanted block, 0+ |
206 | ; & flags (bitfields) |
206 | ; & flags (bitfields) |
207 | ; flags: bit 0: 0=ANSI names, 1=UNICODE names |
207 | ; flags: bit 0: 0=ANSI names, 1=UNICODE names |
208 | ; ecx number of blocks to read, 0+ |
208 | ; ecx number of blocks to read, 0+ |
209 | ; edx mem location to return data |
209 | ; edx mem location to return data |
210 | ; |
210 | ; |
211 | ; ret ebx = blocks read or 0xffffffff folder not found |
211 | ; ret ebx = blocks read or 0xffffffff folder not found |
212 | ; eax = 0 ok read or other = errormsg |
212 | ; eax = 0 ok read or other = errormsg |
213 | ; |
213 | ; |
214 | ;-------------------------------------------------------------- |
214 | ;-------------------------------------------------------------- |
215 | fs_CdReadFolder: |
215 | fs_CdReadFolder: |
216 | push edi |
216 | push edi |
217 | call cd_find_lfn |
217 | call cd_find_lfn |
218 | jnc .found |
218 | jnc .found |
219 | pop edi |
219 | pop edi |
220 | cmp [DevErrorCode], 0 |
220 | cmp [DevErrorCode], 0 |
221 | jne .noaccess_1 |
221 | jne .noaccess_1 |
222 | or ebx, -1 |
222 | or ebx, -1 |
223 | mov eax, ERROR_FILE_NOT_FOUND |
223 | mov eax, ERROR_FILE_NOT_FOUND |
224 | ret |
224 | ret |
225 | .found: |
225 | .found: |
226 | mov edi, [cd_current_pointer_of_input] |
226 | mov edi, [cd_current_pointer_of_input] |
227 | test byte [edi+25], 10b ; do not allow read directories |
227 | test byte [edi+25], 10b ; do not allow read directories |
228 | jnz .found_dir |
228 | jnz .found_dir |
229 | pop edi |
229 | pop edi |
230 | .noaccess_1: |
230 | .noaccess_1: |
231 | or ebx, -1 |
231 | or ebx, -1 |
232 | mov eax, ERROR_ACCESS_DENIED |
232 | mov eax, ERROR_ACCESS_DENIED |
233 | ret |
233 | ret |
234 | .found_dir: |
234 | .found_dir: |
235 | mov eax, [edi+2] ; eax=cluster |
235 | mov eax, [edi+2] ; eax=cluster |
236 | mov [CDSectorAddress], eax |
236 | mov [CDSectorAddress], eax |
237 | mov eax, [edi+10] ; ðàçìåð äèðåêòðîðèè |
237 | mov eax, [edi+10] ; ðàçìåð äèðåêòðîðèè |
238 | .doit: |
238 | .doit: |
239 | ; init header |
239 | ; init header |
240 | push eax ecx |
240 | push eax ecx |
241 | mov edi, edx |
241 | mov edi, edx |
242 | mov ecx, 32/4 |
242 | mov ecx, 32/4 |
243 | xor eax, eax |
243 | xor eax, eax |
244 | rep stosd |
244 | rep stosd |
245 | pop ecx eax |
245 | pop ecx eax |
246 | mov byte [edx], 1 ; version |
246 | mov byte [edx], 1 ; version |
247 | mov [cd_mem_location], edx |
247 | mov [cd_mem_location], edx |
248 | add [cd_mem_location], 32 |
248 | add [cd_mem_location], 32 |
249 | ; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ |
249 | ; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ |
250 | ;.mainloop: |
250 | ;.mainloop: |
251 | mov [cd_counter_block], dword 0 |
251 | mov [cd_counter_block], dword 0 |
252 | dec dword [CDSectorAddress] |
252 | dec dword [CDSectorAddress] |
253 | push ecx |
253 | push ecx |
254 | .read_to_buffer: |
254 | .read_to_buffer: |
255 | inc dword [CDSectorAddress] |
255 | inc dword [CDSectorAddress] |
256 | mov [CDDataBuf_pointer], CDDataBuf |
256 | mov [CDDataBuf_pointer], CDDataBuf |
257 | call ReadCDWRetr ; ÷èòàåì ñåêòîð äèðåêòîðèè |
257 | call ReadCDWRetr ; ÷èòàåì ñåêòîð äèðåêòîðèè |
258 | cmp [DevErrorCode], 0 |
258 | cmp [DevErrorCode], 0 |
259 | jne .noaccess_1 |
259 | jne .noaccess_1 |
260 | call .get_names_from_buffer |
260 | call .get_names_from_buffer |
261 | sub eax,2048 |
261 | sub eax,2048 |
262 | ; äèðåêòîðèÿ çàêîí÷èëàñü? |
262 | ; äèðåêòîðèÿ çàêîí÷èëàñü? |
263 | ja .read_to_buffer |
263 | ja .read_to_buffer |
264 | mov edi, [cd_counter_block] |
264 | mov edi, [cd_counter_block] |
265 | mov [edx+8], edi |
265 | mov [edx+8], edi |
266 | mov edi, [ebx] |
266 | mov edi, [ebx] |
267 | sub [edx+4], edi |
267 | sub [edx+4], edi |
268 | xor eax, eax |
268 | xor eax, eax |
269 | dec ecx |
269 | dec ecx |
270 | js @f |
270 | js @f |
271 | mov al, ERROR_END_OF_FILE |
271 | mov al, ERROR_END_OF_FILE |
272 | @@: |
272 | @@: |
273 | pop ecx edi |
273 | pop ecx edi |
274 | mov ebx, [edx+4] |
274 | mov ebx, [edx+4] |
275 | ret |
275 | ret |
276 | 276 | ||
277 | .get_names_from_buffer: |
277 | .get_names_from_buffer: |
278 | mov [cd_current_pointer_of_input_2],CDDataBuf |
278 | mov [cd_current_pointer_of_input_2],CDDataBuf |
279 | push eax esi edi edx |
279 | push eax esi edi edx |
280 | .get_names_from_buffer_1: |
280 | .get_names_from_buffer_1: |
281 | call cd_get_name |
281 | call cd_get_name |
282 | jc .end_buffer |
282 | jc .end_buffer |
283 | inc dword [cd_counter_block] |
283 | inc dword [cd_counter_block] |
284 | mov eax,[cd_counter_block] |
284 | mov eax,[cd_counter_block] |
285 | cmp [ebx],eax |
285 | cmp [ebx],eax |
286 | jae .get_names_from_buffer_1 |
286 | jae .get_names_from_buffer_1 |
287 | test ecx, ecx |
287 | test ecx, ecx |
288 | jz .get_names_from_buffer_1 |
288 | jz .get_names_from_buffer_1 |
289 | mov edi,[cd_counter_block] |
289 | mov edi,[cd_counter_block] |
290 | mov [edx+4],edi |
290 | mov [edx+4],edi |
291 | dec ecx |
291 | dec ecx |
292 | mov esi,ebp |
292 | mov esi,ebp |
293 | mov edi,[cd_mem_location] |
293 | mov edi,[cd_mem_location] |
294 | add edi,40 |
294 | add edi,40 |
295 | test dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE |
295 | test dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE |
296 | jnz .unicode |
296 | jnz .unicode |
297 | ; jmp .unicode |
297 | ; jmp .unicode |
298 | .ansi: |
298 | .ansi: |
299 | cmp [cd_counter_block],2 |
299 | cmp [cd_counter_block],2 |
300 | jbe .ansi_parent_directory |
300 | jbe .ansi_parent_directory |
301 | cld |
301 | cld |
302 | lodsw |
302 | lodsw |
303 | xchg ah,al |
303 | xchg ah,al |
304 | call uni2ansi_char |
304 | call uni2ansi_char |
305 | cld |
305 | cld |
306 | stosb |
306 | stosb |
307 | ; ïðîâåðêà êîíöà ôàéëà |
307 | ; ïðîâåðêà êîíöà ôàéëà |
308 | mov ax,[esi] |
308 | mov ax,[esi] |
309 | cmp ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
309 | cmp ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
310 | je .cd_get_parameters_of_file_1 |
310 | je .cd_get_parameters_of_file_1 |
311 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
311 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
312 | movzx eax,byte [ebp-33] |
312 | movzx eax,byte [ebp-33] |
313 | add eax,ebp |
313 | add eax,ebp |
314 | sub eax,34 |
314 | sub eax,34 |
315 | cmp esi,eax |
315 | cmp esi,eax |
316 | je .cd_get_parameters_of_file_1 |
316 | je .cd_get_parameters_of_file_1 |
317 | ; ïðîâåðêà êîíöà ïàïêè |
317 | ; ïðîâåðêà êîíöà ïàïêè |
318 | movzx eax,byte [ebp-1] |
318 | movzx eax,byte [ebp-1] |
319 | add eax,ebp |
319 | add eax,ebp |
320 | cmp esi,eax |
320 | cmp esi,eax |
321 | jb .ansi |
321 | jb .ansi |
322 | .cd_get_parameters_of_file_1: |
322 | .cd_get_parameters_of_file_1: |
323 | mov [edi],byte 0 |
323 | mov [edi],byte 0 |
324 | call cd_get_parameters_of_file |
324 | call cd_get_parameters_of_file |
325 | add [cd_mem_location],304 |
325 | add [cd_mem_location],304 |
326 | jmp .get_names_from_buffer_1 |
326 | jmp .get_names_from_buffer_1 |
327 | 327 | ||
328 | .ansi_parent_directory: |
328 | .ansi_parent_directory: |
329 | cmp [cd_counter_block],2 |
329 | cmp [cd_counter_block],2 |
330 | je @f |
330 | je @f |
331 | mov [edi],byte '.' |
331 | mov [edi],byte '.' |
332 | inc edi |
332 | inc edi |
333 | jmp .cd_get_parameters_of_file_1 |
333 | jmp .cd_get_parameters_of_file_1 |
334 | @@: |
334 | @@: |
335 | mov [edi],word '..' |
335 | mov [edi],word '..' |
336 | add edi,2 |
336 | add edi,2 |
337 | jmp .cd_get_parameters_of_file_1 |
337 | jmp .cd_get_parameters_of_file_1 |
338 | 338 | ||
339 | .unicode: |
339 | .unicode: |
340 | cmp [cd_counter_block],2 |
340 | cmp [cd_counter_block],2 |
341 | jbe .unicode_parent_directory |
341 | jbe .unicode_parent_directory |
342 | cld |
342 | cld |
343 | movsw |
343 | movsw |
344 | ; ïðîâåðêà êîíöà ôàéëà |
344 | ; ïðîâåðêà êîíöà ôàéëà |
345 | mov ax,[esi] |
345 | mov ax,[esi] |
346 | cmp ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
346 | cmp ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
347 | je .cd_get_parameters_of_file_2 |
347 | je .cd_get_parameters_of_file_2 |
348 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
348 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
349 | movzx eax,byte [ebp-33] |
349 | movzx eax,byte [ebp-33] |
350 | add eax,ebp |
350 | add eax,ebp |
351 | sub eax,34 |
351 | sub eax,34 |
352 | cmp esi,eax |
352 | cmp esi,eax |
353 | je .cd_get_parameters_of_file_2 |
353 | je .cd_get_parameters_of_file_2 |
354 | ; ïðîâåðêà êîíöà ïàïêè |
354 | ; ïðîâåðêà êîíöà ïàïêè |
355 | movzx eax,byte [ebp-1] |
355 | movzx eax,byte [ebp-1] |
356 | add eax,ebp |
356 | add eax,ebp |
357 | cmp esi,eax |
357 | cmp esi,eax |
358 | jb .unicode |
358 | jb .unicode |
359 | .cd_get_parameters_of_file_2: |
359 | .cd_get_parameters_of_file_2: |
360 | mov [edi],word 0 |
360 | mov [edi],word 0 |
361 | call cd_get_parameters_of_file |
361 | call cd_get_parameters_of_file |
362 | add [cd_mem_location],560 |
362 | add [cd_mem_location],560 |
363 | jmp .get_names_from_buffer_1 |
363 | jmp .get_names_from_buffer_1 |
364 | 364 | ||
365 | .unicode_parent_directory: |
365 | .unicode_parent_directory: |
366 | cmp [cd_counter_block],2 |
366 | cmp [cd_counter_block],2 |
367 | je @f |
367 | je @f |
368 | mov [edi],word 2E00h ; '.' |
368 | mov [edi],word 2E00h ; '.' |
369 | add edi,2 |
369 | add edi,2 |
370 | jmp .cd_get_parameters_of_file_2 |
370 | jmp .cd_get_parameters_of_file_2 |
371 | @@: |
371 | @@: |
372 | mov [edi],dword 2E002E00h ; '..' |
372 | mov [edi],dword 2E002E00h ; '..' |
373 | add edi,4 |
373 | add edi,4 |
374 | jmp .cd_get_parameters_of_file_2 |
374 | jmp .cd_get_parameters_of_file_2 |
375 | 375 | ||
376 | .end_buffer: |
376 | .end_buffer: |
377 | pop edx edi esi eax |
377 | pop edx edi esi eax |
378 | ret |
378 | ret |
379 | 379 | ||
380 | cd_get_parameters_of_file: |
380 | cd_get_parameters_of_file: |
381 | mov edi,[cd_mem_location] |
381 | mov edi,[cd_mem_location] |
382 | cd_get_parameters_of_file_1: |
382 | cd_get_parameters_of_file_1: |
383 | ; ïîëó÷àåì àòðèáóòû ôàéëà |
383 | ; ïîëó÷àåì àòðèáóòû ôàéëà |
384 | xor eax,eax |
384 | xor eax,eax |
385 | ; ôàéë íå àðõèâèðîâàëñÿ |
385 | ; ôàéë íå àðõèâèðîâàëñÿ |
386 | inc eax |
386 | inc eax |
387 | shl eax,1 |
387 | shl eax,1 |
388 | ; ýòî êàòàëîã? |
388 | ; ýòî êàòàëîã? |
389 | test [ebp-8],byte 2 |
389 | test [ebp-8],byte 2 |
390 | jz .file |
390 | jz .file |
391 | inc eax |
391 | inc eax |
392 | .file: |
392 | .file: |
393 | ; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò |
393 | ; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò |
394 | ; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì |
394 | ; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì |
395 | shl eax,3 |
395 | shl eax,3 |
396 | ; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå) |
396 | ; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå) |
397 | test [ebp-8],byte 1 |
397 | test [ebp-8],byte 1 |
398 | jz .hidden |
398 | jz .hidden |
399 | inc eax |
399 | inc eax |
400 | .hidden: |
400 | .hidden: |
401 | shl eax,1 |
401 | shl eax,1 |
402 | ; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD |
402 | ; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD |
403 | inc eax |
403 | inc eax |
404 | mov [edi],eax |
404 | mov [edi],eax |
405 | ; ïîëó÷àåì âðåìÿ äëÿ ôàéëà |
405 | ; ïîëó÷àåì âðåìÿ äëÿ ôàéëà |
406 | ;÷àñ |
406 | ;÷àñ |
407 | movzx eax,byte [ebp-12] |
407 | movzx eax,byte [ebp-12] |
408 | shl eax,8 |
408 | shl eax,8 |
409 | ;ìèíóòà |
409 | ;ìèíóòà |
410 | mov al,[ebp-11] |
410 | mov al,[ebp-11] |
411 | shl eax,8 |
411 | shl eax,8 |
412 | ;ñåêóíäà |
412 | ;ñåêóíäà |
413 | mov al,[ebp-10] |
413 | mov al,[ebp-10] |
414 | ;âðåìÿ ñîçäàíèÿ ôàéëà |
414 | ;âðåìÿ ñîçäàíèÿ ôàéëà |
415 | mov [edi+8],eax |
415 | mov [edi+8],eax |
416 | ;âðåìÿ ïîñëåäíåãî äîñòóïà |
416 | ;âðåìÿ ïîñëåäíåãî äîñòóïà |
417 | mov [edi+16],eax |
417 | mov [edi+16],eax |
418 | ;âðåìÿ ïîñëåäíåé çàïèñè |
418 | ;âðåìÿ ïîñëåäíåé çàïèñè |
419 | mov [edi+24],eax |
419 | mov [edi+24],eax |
420 | ; ïîëó÷àåì äàòó äëÿ ôàéëà |
420 | ; ïîëó÷àåì äàòó äëÿ ôàéëà |
421 | ;ãîä |
421 | ;ãîä |
422 | movzx eax,byte [ebp-15] |
422 | movzx eax,byte [ebp-15] |
423 | add eax,1900 |
423 | add eax,1900 |
424 | shl eax,8 |
424 | shl eax,8 |
425 | ;ìåñÿö |
425 | ;ìåñÿö |
426 | mov al,[ebp-14] |
426 | mov al,[ebp-14] |
427 | shl eax,8 |
427 | shl eax,8 |
428 | ;äåíü |
428 | ;äåíü |
429 | mov al,[ebp-13] |
429 | mov al,[ebp-13] |
430 | ;äàòà ñîçäàíèÿ ôàéëà |
430 | ;äàòà ñîçäàíèÿ ôàéëà |
431 | mov [edi+12],eax |
431 | mov [edi+12],eax |
432 | ;âðåìÿ ïîñëåäíåãî äîñòóïà |
432 | ;âðåìÿ ïîñëåäíåãî äîñòóïà |
433 | mov [edi+20],eax |
433 | mov [edi+20],eax |
434 | ;âðåìÿ ïîñëåäíåé çàïèñè |
434 | ;âðåìÿ ïîñëåäíåé çàïèñè |
435 | mov [edi+28],eax |
435 | mov [edi+28],eax |
436 | ; ïîëó÷àåì òèï äàííûõ èìåíè |
436 | ; ïîëó÷àåì òèï äàííûõ èìåíè |
437 | xor eax,eax |
437 | xor eax,eax |
438 | test dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE |
438 | test dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE |
439 | jnz .unicode_1 |
439 | jnz .unicode_1 |
440 | mov [edi+4],eax |
440 | mov [edi+4],eax |
441 | jmp @f |
441 | jmp @f |
442 | .unicode_1: |
442 | .unicode_1: |
443 | inc eax |
443 | inc eax |
444 | mov [edi+4],eax |
444 | mov [edi+4],eax |
445 | @@: |
445 | @@: |
446 | ; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ |
446 | ; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ |
447 | xor eax,eax |
447 | xor eax,eax |
448 | mov [edi+32+4],eax |
448 | mov [edi+32+4],eax |
449 | mov eax,[ebp-23] |
449 | mov eax,[ebp-23] |
450 | mov [edi+32],eax |
450 | mov [edi+32],eax |
451 | ret |
451 | ret |
452 | 452 | ||
453 | ;---------------------------------------------------------------- |
453 | ;---------------------------------------------------------------- |
454 | ; |
454 | ; |
455 | ; fs_CdGetFileInfo - LFN variant for CD |
455 | ; fs_CdGetFileInfo - LFN variant for CD |
456 | ; get file/directory attributes structure |
456 | ; get file/directory attributes structure |
457 | ; |
457 | ; |
458 | ;---------------------------------------------------------------- |
458 | ;---------------------------------------------------------------- |
459 | fs_CdGetFileInfo: |
459 | fs_CdGetFileInfo: |
460 | cmp byte [esi], 0 |
460 | cmp byte [esi], 0 |
461 | jnz @f |
461 | jnz @f |
462 | mov eax, 2 |
462 | mov eax, 2 |
463 | ret |
463 | ret |
464 | @@: |
464 | @@: |
465 | push edi |
465 | push edi |
466 | call cd_find_lfn |
466 | call cd_find_lfn |
467 | pushfd |
467 | pushfd |
468 | cmp [DevErrorCode], 0 |
468 | cmp [DevErrorCode], 0 |
469 | jz @f |
469 | jz @f |
470 | popfd |
470 | popfd |
471 | pop edi |
471 | pop edi |
472 | mov eax, 11 |
472 | mov eax, 11 |
473 | ret |
473 | ret |
474 | @@: |
474 | @@: |
475 | popfd |
475 | popfd |
476 | jnc @f |
476 | jnc @f |
477 | pop edi |
477 | pop edi |
478 | mov eax, ERROR_FILE_NOT_FOUND |
478 | mov eax, ERROR_FILE_NOT_FOUND |
479 | ret |
479 | ret |
480 | @@: |
480 | @@: |
481 | 481 | ||
482 | mov edi, edx |
482 | mov edi, edx |
483 | push ebp |
483 | push ebp |
484 | mov ebp, [cd_current_pointer_of_input] |
484 | mov ebp, [cd_current_pointer_of_input] |
485 | add ebp, 33 |
485 | add ebp, 33 |
486 | call cd_get_parameters_of_file_1 |
486 | call cd_get_parameters_of_file_1 |
487 | pop ebp |
487 | pop ebp |
488 | and dword [edi+4], 0 |
488 | and dword [edi+4], 0 |
489 | pop edi |
489 | pop edi |
490 | xor eax, eax |
490 | xor eax, eax |
491 | ret |
491 | ret |
492 | 492 | ||
493 | cd_find_lfn: |
493 | cd_find_lfn: |
494 | ; in: esi+ebp -> name |
494 | ; in: esi+ebp -> name |
495 | ; out: CF=1 - file not found |
495 | ; out: CF=1 - file not found |
496 | ; else CF=0 and [cd_current_pointer_of_input] direntry |
496 | ; else CF=0 and [cd_current_pointer_of_input] direntry |
497 | push eax esi |
497 | push eax esi |
498 | ; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ |
498 | ; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ |
499 | mov [CDSectorAddress],dword 15 |
499 | mov [CDSectorAddress],dword 15 |
500 | .start: |
500 | .start: |
501 | inc dword [CDSectorAddress] |
501 | inc dword [CDSectorAddress] |
502 | mov [CDDataBuf_pointer],CDDataBuf |
502 | mov [CDDataBuf_pointer],CDDataBuf |
503 | call ReadCDWRetr |
503 | call ReadCDWRetr |
504 | cmp [DevErrorCode],0 |
504 | cmp [DevErrorCode],0 |
505 | jne .access_denied |
505 | jne .access_denied |
506 | ; ïðîâåðêà íà âøèâîñòü |
506 | ; ïðîâåðêà íà âøèâîñòü |
507 | cmp [CDDataBuf+1],dword 'CD00' |
507 | cmp [CDDataBuf+1],dword 'CD00' |
508 | jne .access_denied |
508 | jne .access_denied |
509 | cmp [CDDataBuf+5],byte '1' |
509 | cmp [CDDataBuf+5],byte '1' |
510 | jne .access_denied |
510 | jne .access_denied |
511 | ; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ? |
511 | ; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ? |
512 | cmp [CDDataBuf],byte 0xff |
512 | cmp [CDDataBuf],byte 0xff |
513 | je .access_denied |
513 | je .access_denied |
514 | ; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà? |
514 | ; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà? |
515 | cmp [CDDataBuf],byte 0x2 |
515 | cmp [CDDataBuf],byte 0x2 |
516 | jne .start |
516 | jne .start |
517 | ; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà? |
517 | ; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà? |
518 | cmp [CDDataBuf+6],byte 0x1 |
518 | cmp [CDDataBuf+6],byte 0x1 |
519 | jne .start |
519 | jne .start |
520 | ; ïàðàìåòðû root äèðåêòðîðèè |
520 | ; ïàðàìåòðû root äèðåêòðîðèè |
521 | mov eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè |
521 | mov eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè |
522 | mov [CDSectorAddress],eax |
522 | mov [CDSectorAddress],eax |
523 | mov eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè |
523 | mov eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè |
524 | cmp byte [esi], 0 |
524 | cmp byte [esi], 0 |
525 | jnz @f |
525 | jnz @f |
526 | mov [cd_current_pointer_of_input],CDDataBuf+0x9c |
526 | mov [cd_current_pointer_of_input],CDDataBuf+0x9c |
527 | jmp .done |
527 | jmp .done |
528 | @@: |
528 | @@: |
529 | ; íà÷èíàåì ïîèñê |
529 | ; íà÷èíàåì ïîèñê |
530 | .mainloop: |
530 | .mainloop: |
531 | dec dword [CDSectorAddress] |
531 | dec dword [CDSectorAddress] |
532 | .read_to_buffer: |
532 | .read_to_buffer: |
533 | inc dword [CDSectorAddress] |
533 | inc dword [CDSectorAddress] |
534 | mov [CDDataBuf_pointer],CDDataBuf |
534 | mov [CDDataBuf_pointer],CDDataBuf |
535 | call ReadCDWRetr ; ÷èòàåì ñåêòîð äèðåêòîðèè |
535 | call ReadCDWRetr ; ÷èòàåì ñåêòîð äèðåêòîðèè |
536 | cmp [DevErrorCode],0 |
536 | cmp [DevErrorCode],0 |
537 | jne .access_denied |
537 | jne .access_denied |
538 | push ebp |
538 | push ebp |
539 | call cd_find_name_in_buffer |
539 | call cd_find_name_in_buffer |
540 | pop ebp |
540 | pop ebp |
541 | jnc .found |
541 | jnc .found |
542 | sub eax,2048 |
542 | sub eax,2048 |
543 | ; äèðåêòîðèÿ çàêîí÷èëàñü? |
543 | ; äèðåêòîðèÿ çàêîí÷èëàñü? |
544 | cmp eax,0 |
544 | cmp eax,0 |
545 | ja .read_to_buffer |
545 | ja .read_to_buffer |
546 | ; íåò èñêîìîãî ýëåìåíòà öåïî÷êè |
546 | ; íåò èñêîìîãî ýëåìåíòà öåïî÷êè |
547 | .access_denied: |
547 | .access_denied: |
548 | pop esi eax |
548 | pop esi eax |
549 | stc |
549 | stc |
550 | ret |
550 | ret |
551 | ; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí |
551 | ; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí |
552 | .found: |
552 | .found: |
553 | ; êîíåö ïóòè ôàéëà |
553 | ; êîíåö ïóòè ôàéëà |
554 | cmp byte [esi-1], 0 |
554 | cmp byte [esi-1], 0 |
555 | jz .done |
555 | jz .done |
556 | .nested: |
556 | .nested: |
557 | mov eax,[cd_current_pointer_of_input] |
557 | mov eax,[cd_current_pointer_of_input] |
558 | push dword [eax+2] |
558 | push dword [eax+2] |
559 | pop dword [CDSectorAddress] ; íà÷àëî äèðåêòîðèè |
559 | pop dword [CDSectorAddress] ; íà÷àëî äèðåêòîðèè |
560 | mov eax,[eax+2+8] ; ðàçìåð äèðåêòîðèè |
560 | mov eax,[eax+2+8] ; ðàçìåð äèðåêòîðèè |
561 | jmp .mainloop |
561 | jmp .mainloop |
562 | ; óêàçàòåëü ôàéëà íàéäåí |
562 | ; óêàçàòåëü ôàéëà íàéäåí |
563 | .done: |
563 | .done: |
564 | test ebp, ebp |
564 | test ebp, ebp |
565 | jz @f |
565 | jz @f |
566 | mov esi, ebp |
566 | mov esi, ebp |
567 | xor ebp, ebp |
567 | xor ebp, ebp |
568 | jmp .nested |
568 | jmp .nested |
569 | @@: |
569 | @@: |
570 | pop esi eax |
570 | pop esi eax |
571 | clc |
571 | clc |
572 | ret |
572 | ret |
573 | 573 | ||
574 | cd_find_name_in_buffer: |
574 | cd_find_name_in_buffer: |
575 | mov [cd_current_pointer_of_input_2],CDDataBuf |
575 | mov [cd_current_pointer_of_input_2],CDDataBuf |
576 | .start: |
576 | .start: |
577 | call cd_get_name |
577 | call cd_get_name |
578 | jc .not_found |
578 | jc .not_found |
579 | call cd_compare_name |
579 | call cd_compare_name |
580 | jc .start |
580 | jc .start |
581 | .found: |
581 | .found: |
582 | clc |
582 | clc |
583 | ret |
583 | ret |
584 | .not_found: |
584 | .not_found: |
585 | stc |
585 | stc |
586 | ret |
586 | ret |
587 | 587 | ||
588 | cd_get_name: |
588 | cd_get_name: |
589 | push eax |
589 | push eax |
590 | mov ebp,[cd_current_pointer_of_input_2] |
590 | mov ebp,[cd_current_pointer_of_input_2] |
591 | mov [cd_current_pointer_of_input],ebp |
591 | mov [cd_current_pointer_of_input],ebp |
592 | mov eax,[ebp] |
592 | mov eax,[ebp] |
593 | cmp eax,0 ; âõîäû çàêîí÷èëèñü? |
593 | cmp eax,0 ; âõîäû çàêîí÷èëèñü? |
594 | je .next_sector |
594 | je .next_sector |
595 | cmp ebp,CDDataBuf+2048 ; áóôåð çàêîí÷èëñÿ? |
595 | cmp ebp,CDDataBuf+2048 ; áóôåð çàêîí÷èëñÿ? |
596 | jae .next_sector |
596 | jae .next_sector |
597 | movzx eax, byte [ebp] |
597 | movzx eax, byte [ebp] |
598 | add [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà |
598 | add [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà |
599 | add ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè |
599 | add ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè |
600 | pop eax |
600 | pop eax |
601 | clc |
601 | clc |
602 | ret |
602 | ret |
603 | .next_sector: |
603 | .next_sector: |
604 | pop eax |
604 | pop eax |
605 | stc |
605 | stc |
606 | ret |
606 | ret |
607 | 607 | ||
608 | cd_compare_name: |
608 | cd_compare_name: |
609 | ; compares ASCIIZ-names, case-insensitive (cp866 encoding) |
609 | ; compares ASCIIZ-names, case-insensitive (cp866 encoding) |
610 | ; in: esi->name, ebp->name |
610 | ; in: esi->name, ebp->name |
611 | ; out: if names match: ZF=1 and esi->next component of name |
611 | ; out: if names match: ZF=1 and esi->next component of name |
612 | ; else: ZF=0, esi is not changed |
612 | ; else: ZF=0, esi is not changed |
613 | ; destroys eax |
613 | ; destroys eax |
614 | push esi eax edi |
614 | push esi eax edi |
615 | mov edi,ebp |
615 | mov edi,ebp |
616 | .loop: |
616 | .loop: |
617 | cld |
617 | cld |
618 | lodsb |
618 | lodsb |
619 | push eax |
619 | push eax |
620 | call char_todown |
620 | call char_todown |
621 | call ansi2uni_char |
621 | call ansi2uni_char |
622 | xchg ah,al |
622 | xchg ah,al |
623 | scasw |
623 | scasw |
624 | pop eax |
624 | pop eax |
625 | je .coincides |
625 | je .coincides |
626 | call char_toupper |
626 | call char_toupper |
627 | call ansi2uni_char |
627 | call ansi2uni_char |
628 | xchg ah,al |
628 | xchg ah,al |
629 | sub edi,2 |
629 | sub edi,2 |
630 | scasw |
630 | scasw |
631 | jne .name_not_coincide |
631 | jne .name_not_coincide |
632 | .coincides: |
632 | .coincides: |
633 | cmp [esi],byte '/' ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà |
633 | cmp [esi],byte '/' ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà |
634 | je .done |
634 | je .done |
635 | cmp [esi],byte 0 ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà |
635 | cmp [esi],byte 0 ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà |
636 | je .done |
636 | je .done |
637 | jmp .loop |
637 | jmp .loop |
638 | .name_not_coincide: |
638 | .name_not_coincide: |
639 | pop edi eax esi |
639 | pop edi eax esi |
640 | stc |
640 | stc |
641 | ret |
641 | ret |
642 | .done: |
642 | .done: |
643 | ; ïðîâåðêà êîíöà ôàéëà |
643 | ; ïðîâåðêà êîíöà ôàéëà |
644 | cmp [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
644 | cmp [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';' |
645 | je .done_1 |
645 | je .done_1 |
646 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
646 | ; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì |
647 | movzx eax,byte [ebp-33] |
647 | movzx eax,byte [ebp-33] |
648 | add eax,ebp |
648 | add eax,ebp |
649 | sub eax,34 |
649 | sub eax,34 |
650 | cmp edi,eax |
650 | cmp edi,eax |
651 | je .done_1 |
651 | je .done_1 |
652 | ; ïðîâåðêà êîíöà ïàïêè |
652 | ; ïðîâåðêà êîíöà ïàïêè |
653 | movzx eax,byte [ebp-1] |
653 | movzx eax,byte [ebp-1] |
654 | add eax,ebp |
654 | add eax,ebp |
655 | cmp edi,eax |
655 | cmp edi,eax |
656 | jne .name_not_coincide |
656 | jne .name_not_coincide |
657 | .done_1: |
657 | .done_1: |
658 | pop edi eax |
658 | pop edi eax |
659 | add esp,4 |
659 | add esp,4 |
660 | inc esi |
660 | inc esi |
661 | clc |
661 | clc |
662 | ret |
662 | ret |
663 | 663 | ||
664 | char_todown: |
664 | char_todown: |
665 | ; convert character to uppercase, using cp866 encoding |
665 | ; convert character to uppercase, using cp866 encoding |
666 | ; in: al=symbol |
666 | ; in: al=symbol |
667 | ; out: al=converted symbol |
667 | ; out: al=converted symbol |
668 | cmp al, 'A' |
668 | cmp al, 'A' |
669 | jb .ret |
669 | jb .ret |
670 | cmp al, 'Z' |
670 | cmp al, 'Z' |
671 | jbe .az |
671 | jbe .az |
672 | cmp al, '' |
672 | cmp al, '' |
673 | jb .ret |
673 | jb .ret |
674 | cmp al, '' |
674 | cmp al, '' |
675 | jb .rus1 |
675 | jb .rus1 |
676 | cmp al, '' |
676 | cmp al, '' |
677 | ja .ret |
677 | ja .ret |
678 | ; 0x90-0x9F -> 0xE0-0xEF |
678 | ; 0x90-0x9F -> 0xE0-0xEF |
679 | add al, 'à'-'' |
679 | add al, 'à'-'' |
680 | .ret: |
680 | .ret: |
681 | ret |
681 | ret |
682 | .rus1: |
682 | .rus1: |
683 | ; 0x80-0x8F -> 0xA0-0xAF |
683 | ; 0x80-0x8F -> 0xA0-0xAF |
684 | .az: |
684 | .az: |
685 | add al, 0x20 |
685 | add al, 0x20 |
686 | ret |
686 | ret |
687 | 687 | ||
688 | uni2ansi_char: |
688 | uni2ansi_char: |
689 | ; convert UNICODE character in al to ANSI character in ax, using cp866 encoding |
689 | ; convert UNICODE character in al to ANSI character in ax, using cp866 encoding |
690 | ; in: ax=UNICODE character |
690 | ; in: ax=UNICODE character |
691 | ; out: al=converted ANSI character |
691 | ; out: al=converted ANSI character |
692 | cmp ax, 0x80 |
692 | cmp ax, 0x80 |
693 | jb .ascii |
693 | jb .ascii |
694 | cmp ax, 0x401 |
694 | cmp ax, 0x401 |
695 | jz .yo1 |
695 | jz .yo1 |
696 | cmp ax, 0x451 |
696 | cmp ax, 0x451 |
697 | jz .yo2 |
697 | jz .yo2 |
698 | cmp ax, 0x410 |
698 | cmp ax, 0x410 |
699 | jb .unk |
699 | jb .unk |
700 | cmp ax, 0x440 |
700 | cmp ax, 0x440 |
701 | jb .rus1 |
701 | jb .rus1 |
702 | cmp ax, 0x450 |
702 | cmp ax, 0x450 |
703 | jb .rus2 |
703 | jb .rus2 |
704 | .unk: |
704 | .unk: |
705 | mov al, '_' |
705 | mov al, '_' |
706 | jmp .doit |
706 | jmp .doit |
707 | .yo1: |
707 | .yo1: |
708 | mov al, 'ð' |
708 | mov al, 'ð' |
709 | jmp .doit |
709 | jmp .doit |
710 | .yo2: |
710 | .yo2: |
711 | mov al, 'ñ' |
711 | mov al, 'ñ' |
712 | jmp .doit |
712 | jmp .doit |
713 | .rus1: |
713 | .rus1: |
714 | ; 0x410-0x43F -> 0x80-0xAF |
714 | ; 0x410-0x43F -> 0x80-0xAF |
715 | add al, 0x70 |
715 | add al, 0x70 |
716 | jmp .doit |
716 | jmp .doit |
717 | .rus2: |
717 | .rus2: |
718 | ; 0x440-0x44F -> 0xE0-0xEF |
718 | ; 0x440-0x44F -> 0xE0-0xEF |
719 | add al, 0xA0 |
719 | add al, 0xA0 |
720 | .ascii: |
720 | .ascii: |
721 | .doit: |
721 | .doit: |
722 | ret |
722 | ret |