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Rev 588 Rev 593
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$Revision: 588 $
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
5 
;; Distributed under terms of the GNU General Public License    ;;
 4 
;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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 7 
 
- 
 
 8 
$Revision: 593 $
- 
 
 9 
 
8 
 
 10 
 
9 
uglobal
 11 
uglobal
10 
cd_current_pointer_of_input    dd  0
 12 
cd_current_pointer_of_input    dd  0
11 
cd_current_pointer_of_input_2  dd  0
 13 
cd_current_pointer_of_input_2  dd  0
12 
cd_mem_location 	       dd  0
 14 
cd_mem_location 	       dd  0
13 
cd_counter_block	       dd  0
 15 
cd_counter_block	       dd  0
14 
IDE_Channel_1		       db  0
 16 
IDE_Channel_1		       db  0
15 
IDE_Channel_2		       db  0
 17 
IDE_Channel_2		       db  0
16 
endg
 18 
endg
17 
 
 19 
 
18 
reserve_cd:
 20 
reserve_cd:
19 
 
 21 
 
20 
    cli
 22 
    cli
21 
    cmp   [cd_status],0
 23 
    cmp   [cd_status],0
22 
    je	  reserve_ok2
 24 
    je	  reserve_ok2
23 
 
 25 
 
24 
    sti
 26 
    sti
25 
    call  change_task
 27 
    call  change_task
26 
    jmp   reserve_cd
 28 
    jmp   reserve_cd
27 
 
 29 
 
28 
  reserve_ok2:
 30 
  reserve_ok2:
29 
 
 31 
 
30 
    push  eax
 32 
    push  eax
31 
    mov   eax,[CURRENT_TASK]
 33 
    mov   eax,[CURRENT_TASK]
32 
    shl   eax,5
 34 
    shl   eax,5
33 
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
 35 
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
34 
    mov   [cd_status],eax
 36 
    mov   [cd_status],eax
35 
    pop   eax
 37 
    pop   eax
36 
    sti
 38 
    sti
37 
    ret
 39 
    ret
38 
 
 40 
 
39 
reserve_cd_channel:
 41 
reserve_cd_channel:
40 
    cmp   [ChannelNumber],1
 42 
    cmp   [ChannelNumber],1
41 
    jne   .IDE_Channel_2
 43 
    jne   .IDE_Channel_2
42 
.IDE_Channel_1:
 44 
.IDE_Channel_1:
43 
    cli
 45 
    cli
44 
    cmp   [IDE_Channel_1],0
 46 
    cmp   [IDE_Channel_1],0
45 
    je	  .reserve_ok_1
 47 
    je	  .reserve_ok_1
46 
    sti
 48 
    sti
47 
    call  change_task
 49 
    call  change_task
48 
    jmp   .IDE_Channel_1
 50 
    jmp   .IDE_Channel_1
49 
.IDE_Channel_2:
 51 
.IDE_Channel_2:
50 
    cli
 52 
    cli
51 
    cmp   [IDE_Channel_2],0
 53 
    cmp   [IDE_Channel_2],0
52 
    je	  .reserve_ok_2
 54 
    je	  .reserve_ok_2
53 
    sti
 55 
    sti
54 
    call  change_task
 56 
    call  change_task
55 
    jmp   .IDE_Channel_1
 57 
    jmp   .IDE_Channel_1
56 
.reserve_ok_1:
 58 
.reserve_ok_1:
57 
    mov [IDE_Channel_1],1
 59 
    mov [IDE_Channel_1],1
58 
    ret
 60 
    ret
59 
.reserve_ok_2:
 61 
.reserve_ok_2:
60 
    mov [IDE_Channel_2],1
 62 
    mov [IDE_Channel_2],1
61 
    ret
 63 
    ret
62 
 
 64 
 
63 
free_cd_channel:
 65 
free_cd_channel:
64 
    cmp   [ChannelNumber],1
 66 
    cmp   [ChannelNumber],1
65 
    jne   .IDE_Channel_2
 67 
    jne   .IDE_Channel_2
66 
.IDE_Channel_1:
 68 
.IDE_Channel_1:
67 
    mov [IDE_Channel_1],0
 69 
    mov [IDE_Channel_1],0
68 
    ret
 70 
    ret
69 
.IDE_Channel_2:
 71 
.IDE_Channel_2:
70 
    mov [IDE_Channel_2],0
 72 
    mov [IDE_Channel_2],0
71 
    ret
 73 
    ret
72 
 
 74 
 
73 
uglobal
 75 
uglobal
74 
cd_status dd 0
 76 
cd_status dd 0
75 
endg
 77 
endg
76 
 
 78 
 
77 
;----------------------------------------------------------------
 79 
;----------------------------------------------------------------
78 
;
 80 
;
79 
;  fs_CdRead - LFN variant for reading CD disk
 81 
;  fs_CdRead - LFN variant for reading CD disk
80 
;
 82 
;
81 
;  esi  points to filename /dir1/dir2/.../dirn/file,0
 83 
;  esi  points to filename /dir1/dir2/.../dirn/file,0
82 
;  ebx  pointer to 64-bit number = first wanted byte, 0+
 84 
;  ebx  pointer to 64-bit number = first wanted byte, 0+
83 
;       may be ebx=0 - start from first byte
 85 
;       may be ebx=0 - start from first byte
84 
;  ecx  number of bytes to read, 0+
 86 
;  ecx  number of bytes to read, 0+
85 
;  edx  mem location to return data
 87 
;  edx  mem location to return data
86 
;
 88 
;
87 
;  ret ebx = bytes read or 0xffffffff file not found
 89 
;  ret ebx = bytes read or 0xffffffff file not found
88 
;      eax = 0 ok read or other = errormsg
 90 
;      eax = 0 ok read or other = errormsg
89 
;
 91 
;
90 
;--------------------------------------------------------------
 92 
;--------------------------------------------------------------
91 
fs_CdRead:
 93 
fs_CdRead:
92 
    push    edi
 94 
    push    edi
93 
    cmp    byte [esi], 0
 95 
    cmp    byte [esi], 0
94 
    jnz    @f
 96 
    jnz    @f
95 
.noaccess:
 97 
.noaccess:
96 
    pop    edi
 98 
    pop    edi
97 
.noaccess_2:
 99 
.noaccess_2:
98 
    or	  ebx, -1
 100 
    or	  ebx, -1
99 
    mov    eax, ERROR_ACCESS_DENIED
 101 
    mov    eax, ERROR_ACCESS_DENIED
100 
    ret
 102 
    ret
101 
 
 103 
 
102 
.noaccess_3:
 104 
.noaccess_3:
103 
    pop     eax edx ecx edi
 105 
    pop     eax edx ecx edi
104 
    jmp  .noaccess_2
 106 
    jmp  .noaccess_2
105 
 
 107 
 
106 
@@:
 108 
@@:
107 
    call    cd_find_lfn
 109 
    call    cd_find_lfn
108 
    jnc    .found
 110 
    jnc    .found
109 
    pop    edi
 111 
    pop    edi
110 
    cmp   [DevErrorCode],0
 112 
    cmp   [DevErrorCode],0
111 
    jne   .noaccess_2
 113 
    jne   .noaccess_2
112 
    or	  ebx, -1
 114 
    or	  ebx, -1
113 
    mov    eax, ERROR_FILE_NOT_FOUND
 115 
    mov    eax, ERROR_FILE_NOT_FOUND
114 
    ret
 116 
    ret
115 
 
 117 
 
116 
.found:
 118 
.found:
117 
    mov    edi,[cd_current_pointer_of_input]
 119 
    mov    edi,[cd_current_pointer_of_input]
118 
    test   byte [edi+25],10b	; do not allow read directories
 120 
    test   byte [edi+25],10b	; do not allow read directories
119 
    jnz    .noaccess
 121 
    jnz    .noaccess
120 
    test    ebx, ebx
 122 
    test    ebx, ebx
121 
    jz	  .l1
 123 
    jz	  .l1
122 
    cmp    dword [ebx+4], 0
 124 
    cmp    dword [ebx+4], 0
123 
    jz	  @f
 125 
    jz	  @f
124 
	xor	ebx, ebx
 126 
	xor	ebx, ebx
125 
.reteof:
 127 
.reteof:
126 
    mov    eax, 6 ; end of file
 128 
    mov    eax, 6 ; end of file
127 
    pop    edi
 129 
    pop    edi
128 
    ret
 130 
    ret
129 
@@:
 131 
@@:
130 
    mov    ebx, [ebx]
 132 
    mov    ebx, [ebx]
131 
.l1:
 133 
.l1:
132 
	push	ecx edx
 134 
	push	ecx edx
133 
	push	0
 135 
	push	0
134 
	mov	eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè
 136 
	mov	eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè
135 
	sub	eax, ebx
 137 
	sub	eax, ebx
136 
	jb	.eof
 138 
	jb	.eof
137 
	cmp	eax, ecx
 139 
	cmp	eax, ecx
138 
	jae	@f
 140 
	jae	@f
139 
	mov	ecx, eax
 141 
	mov	ecx, eax
140 
	mov	byte [esp], 6
 142 
	mov	byte [esp], 6
141 
@@:
 143 
@@:
142 
     mov    eax,[edi+2]
 144 
     mov    eax,[edi+2]
143 
     mov    [CDSectorAddress],eax
 145 
     mov    [CDSectorAddress],eax
144 
; now eax=cluster, ebx=position, ecx=count, edx=buffer for data
 146 
; now eax=cluster, ebx=position, ecx=count, edx=buffer for data
145 
.new_sector:
 147 
.new_sector:
146 
    test    ecx, ecx
 148 
    test    ecx, ecx
147 
    jz	  .done
 149 
    jz	  .done
148 
    sub    ebx, 2048
 150 
    sub    ebx, 2048
149 
    jae    .next
 151 
    jae    .next
150 
    add    ebx, 2048
 152 
    add    ebx, 2048
151 
    jnz    .incomplete_sector
 153 
    jnz    .incomplete_sector
152 
    cmp    ecx, 2048
 154 
    cmp    ecx, 2048
153 
    jb	  .incomplete_sector
 155 
    jb	  .incomplete_sector
154 
; we may read and memmove complete sector
 156 
; we may read and memmove complete sector
155 
    mov  [CDDataBuf_pointer],edx
 157 
    mov  [CDDataBuf_pointer],edx
156 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
 158 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
157 
    cmp   [DevErrorCode],0
 159 
    cmp   [DevErrorCode],0
158 
    jne   .noaccess_3
 160 
    jne   .noaccess_3
159 
    add    edx, 2048
 161 
    add    edx, 2048
160 
    sub    ecx, 2048
 162 
    sub    ecx, 2048
161 
.next:
 163 
.next:
162 
    inc  dword [CDSectorAddress]
 164 
    inc  dword [CDSectorAddress]
163 
    jmp    .new_sector
 165 
    jmp    .new_sector
164 
.incomplete_sector:
 166 
.incomplete_sector:
165 
; we must read and memmove incomplete sector
 167 
; we must read and memmove incomplete sector
166 
    mov  [CDDataBuf_pointer],CDDataBuf
 168 
    mov  [CDDataBuf_pointer],CDDataBuf
167 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
 169 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
168 
    cmp   [DevErrorCode],0
 170 
    cmp   [DevErrorCode],0
169 
    jne   .noaccess_3
 171 
    jne   .noaccess_3
170 
    push    ecx
 172 
    push    ecx
171 
    add    ecx, ebx
 173 
    add    ecx, ebx
172 
    cmp    ecx, 2048
 174 
    cmp    ecx, 2048
173 
    jbe    @f
 175 
    jbe    @f
174 
    mov    ecx, 2048
 176 
    mov    ecx, 2048
175 
@@:
 177 
@@:
176 
    sub    ecx, ebx
 178 
    sub    ecx, ebx
177 
     push edi esi ecx
 179 
     push edi esi ecx
178 
     mov edi,edx
 180 
     mov edi,edx
179 
	lea	esi, [CDDataBuf + ebx]
 181 
	lea	esi, [CDDataBuf + ebx]
180 
     cld
 182 
     cld
181 
     rep movsb
 183 
     rep movsb
182 
     pop ecx esi edi
 184 
     pop ecx esi edi
183 
    add    edx, ecx
 185 
    add    edx, ecx
184 
    sub    [esp], ecx
 186 
    sub    [esp], ecx
185 
    pop    ecx
 187 
    pop    ecx
186 
    xor    ebx, ebx
 188 
    xor    ebx, ebx
187 
    jmp    .next
 189 
    jmp    .next
188 
 
 190 
 
189 
.done:
 191 
.done:
190 
	mov	ebx, edx
 192 
	mov	ebx, edx
191 
	pop	eax edx ecx edi
 193 
	pop	eax edx ecx edi
192 
	sub	ebx, edx
 194 
	sub	ebx, edx
193 
	ret
 195 
	ret
194 
.eof:
 196 
.eof:
195 
	mov	ebx, edx
 197 
	mov	ebx, edx
196 
	pop	eax edx ecx
 198 
	pop	eax edx ecx
197 
	sub	ebx, edx
 199 
	sub	ebx, edx
198 
	jmp	.reteof
 200 
	jmp	.reteof
199 
 
 201 
 
200 
;----------------------------------------------------------------
 202 
;----------------------------------------------------------------
201 
;
 203 
;
202 
;  fs_CdReadFolder - LFN variant for reading CD disk folder
 204 
;  fs_CdReadFolder - LFN variant for reading CD disk folder
203 
;
 205 
;
204 
;  esi  points to filename  /dir1/dir2/.../dirn/file,0
 206 
;  esi  points to filename  /dir1/dir2/.../dirn/file,0
205 
;  ebx  pointer to structure 32-bit number = first wanted block, 0+
 207 
;  ebx  pointer to structure 32-bit number = first wanted block, 0+
206 
;                          & flags (bitfields)
 208 
;                          & flags (bitfields)
207 
; flags: bit 0: 0=ANSI names, 1=UNICODE names
 209 
; flags: bit 0: 0=ANSI names, 1=UNICODE names
208 
;  ecx  number of blocks to read, 0+
 210 
;  ecx  number of blocks to read, 0+
209 
;  edx  mem location to return data
 211 
;  edx  mem location to return data
210 
;
 212 
;
211 
;  ret ebx = blocks read or 0xffffffff folder not found
 213 
;  ret ebx = blocks read or 0xffffffff folder not found
212 
;      eax = 0 ok read or other = errormsg
 214 
;      eax = 0 ok read or other = errormsg
213 
;
 215 
;
214 
;--------------------------------------------------------------
 216 
;--------------------------------------------------------------
215 
fs_CdReadFolder:
 217 
fs_CdReadFolder:
216 
	push	edi
 218 
	push	edi
217 
	call	cd_find_lfn
 219 
	call	cd_find_lfn
218 
	jnc	.found
 220 
	jnc	.found
219 
	pop	edi
 221 
	pop	edi
220 
	cmp	[DevErrorCode], 0
 222 
	cmp	[DevErrorCode], 0
221 
	jne	.noaccess_1
 223 
	jne	.noaccess_1
222 
	or	ebx, -1
 224 
	or	ebx, -1
223 
	mov	eax, ERROR_FILE_NOT_FOUND
 225 
	mov	eax, ERROR_FILE_NOT_FOUND
224 
	ret
 226 
	ret
225 
.found:
 227 
.found:
226 
	mov	edi, [cd_current_pointer_of_input]
 228 
	mov	edi, [cd_current_pointer_of_input]
227 
	test	byte [edi+25], 10b    ; do not allow read directories
 229 
	test	byte [edi+25], 10b    ; do not allow read directories
228 
	jnz	.found_dir
 230 
	jnz	.found_dir
229 
	pop	edi
 231 
	pop	edi
230 
.noaccess_1:
 232 
.noaccess_1:
231 
	or	ebx, -1
 233 
	or	ebx, -1
232 
	mov	eax, ERROR_ACCESS_DENIED
 234 
	mov	eax, ERROR_ACCESS_DENIED
233 
	ret
 235 
	ret
234 
.found_dir:
 236 
.found_dir:
235 
	mov	eax, [edi+2]	; eax=cluster
 237 
	mov	eax, [edi+2]	; eax=cluster
236 
	mov	[CDSectorAddress], eax
 238 
	mov	[CDSectorAddress], eax
237 
	mov	eax, [edi+10]	; ðàçìåð äèðåêòðîðèè
 239 
	mov	eax, [edi+10]	; ðàçìåð äèðåêòðîðèè
238 
.doit:
 240 
.doit:
239 
; init header
 241 
; init header
240 
	push	eax ecx
 242 
	push	eax ecx
241 
	mov	edi, edx
 243 
	mov	edi, edx
242 
	mov	ecx, 32/4
 244 
	mov	ecx, 32/4
243 
	xor	eax, eax
 245 
	xor	eax, eax
244 
	rep	stosd
 246 
	rep	stosd
245 
	pop	ecx eax
 247 
	pop	ecx eax
246 
	mov	byte [edx], 1	; version
 248 
	mov	byte [edx], 1	; version
247 
	mov	[cd_mem_location], edx
 249 
	mov	[cd_mem_location], edx
248 
	add	[cd_mem_location], 32
 250 
	add	[cd_mem_location], 32
249 
; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ
 251 
; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ
250 
;.mainloop:
 252 
;.mainloop:
251 
	mov	[cd_counter_block], dword 0
 253 
	mov	[cd_counter_block], dword 0
252 
	dec	dword [CDSectorAddress]
 254 
	dec	dword [CDSectorAddress]
253 
	push	ecx
 255 
	push	ecx
254 
.read_to_buffer:
 256 
.read_to_buffer:
255 
	inc	dword [CDSectorAddress]
 257 
	inc	dword [CDSectorAddress]
256 
	mov	[CDDataBuf_pointer], CDDataBuf
 258 
	mov	[CDDataBuf_pointer], CDDataBuf
257 
	call	ReadCDWRetr	    ; ÷èòàåì ñåêòîð äèðåêòîðèè
 259 
	call	ReadCDWRetr	    ; ÷èòàåì ñåêòîð äèðåêòîðèè
258 
	cmp	[DevErrorCode], 0
 260 
	cmp	[DevErrorCode], 0
259 
	jne	.noaccess_1
 261 
	jne	.noaccess_1
260 
	call	.get_names_from_buffer
 262 
	call	.get_names_from_buffer
261 
	sub	eax,2048
 263 
	sub	eax,2048
262 
; äèðåêòîðèÿ çàêîí÷èëàñü?
 264 
; äèðåêòîðèÿ çàêîí÷èëàñü?
263 
	ja	.read_to_buffer
 265 
	ja	.read_to_buffer
264 
	mov	edi, [cd_counter_block]
 266 
	mov	edi, [cd_counter_block]
265 
	mov	[edx+8], edi
 267 
	mov	[edx+8], edi
266 
	mov	edi, [ebx]
 268 
	mov	edi, [ebx]
267 
	sub	[edx+4], edi
 269 
	sub	[edx+4], edi
268 
	xor	eax, eax
 270 
	xor	eax, eax
269 
	dec	ecx
 271 
	dec	ecx
270 
	js	@f
 272 
	js	@f
271 
	mov	al, ERROR_END_OF_FILE
 273 
	mov	al, ERROR_END_OF_FILE
272 
@@:
 274 
@@:
273 
	pop	ecx edi
 275 
	pop	ecx edi
274 
	mov	ebx, [edx+4]
 276 
	mov	ebx, [edx+4]
275 
	ret
 277 
	ret
276 
 
 278 
 
277 
.get_names_from_buffer:
 279 
.get_names_from_buffer:
278 
    mov     [cd_current_pointer_of_input_2],CDDataBuf
 280 
    mov     [cd_current_pointer_of_input_2],CDDataBuf
279 
    push    eax esi edi edx
 281 
    push    eax esi edi edx
280 
.get_names_from_buffer_1:
 282 
.get_names_from_buffer_1:
281 
    call    cd_get_name
 283 
    call    cd_get_name
282 
    jc	  .end_buffer
 284 
    jc	  .end_buffer
283 
    inc    dword [cd_counter_block]
 285 
    inc    dword [cd_counter_block]
284 
    mov    eax,[cd_counter_block]
 286 
    mov    eax,[cd_counter_block]
285 
    cmp    [ebx],eax
 287 
    cmp    [ebx],eax
286 
    jae     .get_names_from_buffer_1
 288 
    jae     .get_names_from_buffer_1
287 
    test    ecx, ecx
 289 
    test    ecx, ecx
288 
    jz	  .get_names_from_buffer_1
 290 
    jz	  .get_names_from_buffer_1
289 
    mov   edi,[cd_counter_block]
 291 
    mov   edi,[cd_counter_block]
290 
    mov   [edx+4],edi
 292 
    mov   [edx+4],edi
291 
    dec     ecx
 293 
    dec     ecx
292 
    mov   esi,ebp
 294 
    mov   esi,ebp
293 
    mov   edi,[cd_mem_location]
 295 
    mov   edi,[cd_mem_location]
294 
    add   edi,40
 296 
    add   edi,40
295 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
 297 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
296 
    jnz    .unicode
 298 
    jnz    .unicode
297 
;    jmp  .unicode
 299 
;    jmp  .unicode
298 
.ansi:
 300 
.ansi:
299 
    cmp   [cd_counter_block],2
 301 
    cmp   [cd_counter_block],2
300 
    jbe   .ansi_parent_directory
 302 
    jbe   .ansi_parent_directory
301 
    cld
 303 
    cld
302 
    lodsw
 304 
    lodsw
303 
    xchg ah,al
 305 
    xchg ah,al
304 
    call uni2ansi_char
 306 
    call uni2ansi_char
305 
    cld
 307 
    cld
306 
    stosb
 308 
    stosb
307 
; ïðîâåðêà êîíöà ôàéëà
 309 
; ïðîâåðêà êîíöà ôàéëà
308 
    mov   ax,[esi]
 310 
    mov   ax,[esi]
309 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 311 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
310 
    je	 .cd_get_parameters_of_file_1
 312 
    je	 .cd_get_parameters_of_file_1
311 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 313 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
312 
    movzx   eax,byte [ebp-33]
 314 
    movzx   eax,byte [ebp-33]
313 
    add   eax,ebp
 315 
    add   eax,ebp
314 
    sub   eax,34
 316 
    sub   eax,34
315 
    cmp   esi,eax
 317 
    cmp   esi,eax
316 
    je	 .cd_get_parameters_of_file_1
 318 
    je	 .cd_get_parameters_of_file_1
317 
; ïðîâåðêà êîíöà ïàïêè
 319 
; ïðîâåðêà êîíöà ïàïêè
318 
    movzx   eax,byte [ebp-1]
 320 
    movzx   eax,byte [ebp-1]
319 
    add   eax,ebp
 321 
    add   eax,ebp
320 
    cmp   esi,eax
 322 
    cmp   esi,eax
321 
    jb	 .ansi
 323 
    jb	 .ansi
322 
.cd_get_parameters_of_file_1:
 324 
.cd_get_parameters_of_file_1:
323 
    mov   [edi],byte 0
 325 
    mov   [edi],byte 0
324 
    call  cd_get_parameters_of_file
 326 
    call  cd_get_parameters_of_file
325 
    add   [cd_mem_location],304
 327 
    add   [cd_mem_location],304
326 
    jmp   .get_names_from_buffer_1
 328 
    jmp   .get_names_from_buffer_1
327 
 
 329 
 
328 
.ansi_parent_directory:
 330 
.ansi_parent_directory:
329 
    cmp   [cd_counter_block],2
 331 
    cmp   [cd_counter_block],2
330 
    je	  @f
 332 
    je	  @f
331 
    mov   [edi],byte '.'
 333 
    mov   [edi],byte '.'
332 
    inc   edi
 334 
    inc   edi
333 
    jmp  .cd_get_parameters_of_file_1
 335 
    jmp  .cd_get_parameters_of_file_1
334 
@@:
 336 
@@:
335 
    mov   [edi],word '..'
 337 
    mov   [edi],word '..'
336 
    add   edi,2
 338 
    add   edi,2
337 
    jmp  .cd_get_parameters_of_file_1
 339 
    jmp  .cd_get_parameters_of_file_1
338 
 
 340 
 
339 
.unicode:
 341 
.unicode:
340 
    cmp   [cd_counter_block],2
 342 
    cmp   [cd_counter_block],2
341 
    jbe   .unicode_parent_directory
 343 
    jbe   .unicode_parent_directory
342 
    cld
 344 
    cld
343 
    movsw
 345 
    movsw
344 
; ïðîâåðêà êîíöà ôàéëà
 346 
; ïðîâåðêà êîíöà ôàéëà
345 
    mov   ax,[esi]
 347 
    mov   ax,[esi]
346 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 348 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
347 
    je	 .cd_get_parameters_of_file_2
 349 
    je	 .cd_get_parameters_of_file_2
348 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 350 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
349 
    movzx   eax,byte [ebp-33]
 351 
    movzx   eax,byte [ebp-33]
350 
    add   eax,ebp
 352 
    add   eax,ebp
351 
    sub   eax,34
 353 
    sub   eax,34
352 
    cmp   esi,eax
 354 
    cmp   esi,eax
353 
    je	 .cd_get_parameters_of_file_2
 355 
    je	 .cd_get_parameters_of_file_2
354 
; ïðîâåðêà êîíöà ïàïêè
 356 
; ïðîâåðêà êîíöà ïàïêè
355 
    movzx   eax,byte [ebp-1]
 357 
    movzx   eax,byte [ebp-1]
356 
    add   eax,ebp
 358 
    add   eax,ebp
357 
    cmp   esi,eax
 359 
    cmp   esi,eax
358 
    jb	 .unicode
 360 
    jb	 .unicode
359 
.cd_get_parameters_of_file_2:
 361 
.cd_get_parameters_of_file_2:
360 
    mov   [edi],word 0
 362 
    mov   [edi],word 0
361 
    call  cd_get_parameters_of_file
 363 
    call  cd_get_parameters_of_file
362 
    add   [cd_mem_location],560
 364 
    add   [cd_mem_location],560
363 
    jmp   .get_names_from_buffer_1
 365 
    jmp   .get_names_from_buffer_1
364 
 
 366 
 
365 
.unicode_parent_directory:
 367 
.unicode_parent_directory:
366 
    cmp   [cd_counter_block],2
 368 
    cmp   [cd_counter_block],2
367 
    je	  @f
 369 
    je	  @f
368 
    mov   [edi],word 2E00h ; '.'
 370 
    mov   [edi],word 2E00h ; '.'
369 
    add   edi,2
 371 
    add   edi,2
370 
    jmp   .cd_get_parameters_of_file_2
 372 
    jmp   .cd_get_parameters_of_file_2
371 
@@:
 373 
@@:
372 
    mov   [edi],dword 2E002E00h ; '..'
 374 
    mov   [edi],dword 2E002E00h ; '..'
373 
    add   edi,4
 375 
    add   edi,4
374 
    jmp   .cd_get_parameters_of_file_2
 376 
    jmp   .cd_get_parameters_of_file_2
375 
 
 377 
 
376 
.end_buffer:
 378 
.end_buffer:
377 
    pop   edx edi esi eax
 379 
    pop   edx edi esi eax
378 
    ret
 380 
    ret
379 
 
 381 
 
380 
cd_get_parameters_of_file:
 382 
cd_get_parameters_of_file:
381 
    mov   edi,[cd_mem_location]
 383 
    mov   edi,[cd_mem_location]
382 
cd_get_parameters_of_file_1:
 384 
cd_get_parameters_of_file_1:
383 
; ïîëó÷àåì àòðèáóòû ôàéëà
 385 
; ïîëó÷àåì àòðèáóòû ôàéëà
384 
    xor   eax,eax
 386 
    xor   eax,eax
385 
; ôàéë íå àðõèâèðîâàëñÿ
 387 
; ôàéë íå àðõèâèðîâàëñÿ
386 
    inc   eax
 388 
    inc   eax
387 
    shl   eax,1
 389 
    shl   eax,1
388 
; ýòî êàòàëîã?
 390 
; ýòî êàòàëîã?
389 
    test  [ebp-8],byte 2
 391 
    test  [ebp-8],byte 2
390 
    jz	  .file
 392 
    jz	  .file
391 
    inc   eax
 393 
    inc   eax
392 
.file:
 394 
.file:
393 
; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò
 395 
; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò
394 
; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì
 396 
; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì
395 
    shl   eax,3
 397 
    shl   eax,3
396 
; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå)
 398 
; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå)
397 
    test  [ebp-8],byte 1
 399 
    test  [ebp-8],byte 1
398 
    jz	  .hidden
 400 
    jz	  .hidden
399 
    inc   eax
 401 
    inc   eax
400 
.hidden:
 402 
.hidden:
401 
    shl   eax,1
 403 
    shl   eax,1
402 
; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD
 404 
; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD
403 
    inc   eax
 405 
    inc   eax
404 
    mov   [edi],eax
 406 
    mov   [edi],eax
405 
; ïîëó÷àåì âðåìÿ äëÿ ôàéëà
 407 
; ïîëó÷àåì âðåìÿ äëÿ ôàéëà
406 
;÷àñ
 408 
;÷àñ
407 
    movzx eax,byte [ebp-12]
 409 
    movzx eax,byte [ebp-12]
408 
    shl   eax,8
 410 
    shl   eax,8
409 
;ìèíóòà
 411 
;ìèíóòà
410 
    mov   al,[ebp-11]
 412 
    mov   al,[ebp-11]
411 
    shl   eax,8
 413 
    shl   eax,8
412 
;ñåêóíäà
 414 
;ñåêóíäà
413 
    mov   al,[ebp-10]
 415 
    mov   al,[ebp-10]
414 
;âðåìÿ ñîçäàíèÿ ôàéëà
 416 
;âðåìÿ ñîçäàíèÿ ôàéëà
415 
    mov   [edi+8],eax
 417 
    mov   [edi+8],eax
416 
;âðåìÿ ïîñëåäíåãî äîñòóïà
 418 
;âðåìÿ ïîñëåäíåãî äîñòóïà
417 
    mov   [edi+16],eax
 419 
    mov   [edi+16],eax
418 
;âðåìÿ ïîñëåäíåé çàïèñè
 420 
;âðåìÿ ïîñëåäíåé çàïèñè
419 
    mov   [edi+24],eax
 421 
    mov   [edi+24],eax
420 
; ïîëó÷àåì äàòó äëÿ ôàéëà
 422 
; ïîëó÷àåì äàòó äëÿ ôàéëà
421 
;ãîä
 423 
;ãîä
422 
    movzx eax,byte [ebp-15]
 424 
    movzx eax,byte [ebp-15]
423 
    add   eax,1900
 425 
    add   eax,1900
424 
    shl   eax,8
 426 
    shl   eax,8
425 
;ìåñÿö
 427 
;ìåñÿö
426 
    mov   al,[ebp-14]
 428 
    mov   al,[ebp-14]
427 
    shl   eax,8
 429 
    shl   eax,8
428 
;äåíü
 430 
;äåíü
429 
    mov   al,[ebp-13]
 431 
    mov   al,[ebp-13]
430 
;äàòà ñîçäàíèÿ ôàéëà
 432 
;äàòà ñîçäàíèÿ ôàéëà
431 
    mov   [edi+12],eax
 433 
    mov   [edi+12],eax
432 
;âðåìÿ ïîñëåäíåãî äîñòóïà
 434 
;âðåìÿ ïîñëåäíåãî äîñòóïà
433 
    mov   [edi+20],eax
 435 
    mov   [edi+20],eax
434 
;âðåìÿ ïîñëåäíåé çàïèñè
 436 
;âðåìÿ ïîñëåäíåé çàïèñè
435 
    mov   [edi+28],eax
 437 
    mov   [edi+28],eax
436 
; ïîëó÷àåì òèï äàííûõ èìåíè
 438 
; ïîëó÷àåì òèï äàííûõ èìåíè
437 
    xor   eax,eax
 439 
    xor   eax,eax
438 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
 440 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
439 
    jnz    .unicode_1
 441 
    jnz    .unicode_1
440 
    mov    [edi+4],eax
 442 
    mov    [edi+4],eax
441 
    jmp   @f
 443 
    jmp   @f
442 
.unicode_1:
 444 
.unicode_1:
443 
    inc    eax
 445 
    inc    eax
444 
    mov    [edi+4],eax
 446 
    mov    [edi+4],eax
445 
@@:
 447 
@@:
446 
; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ
 448 
; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ
447 
    xor   eax,eax
 449 
    xor   eax,eax
448 
    mov   [edi+32+4],eax
 450 
    mov   [edi+32+4],eax
449 
    mov   eax,[ebp-23]
 451 
    mov   eax,[ebp-23]
450 
    mov   [edi+32],eax
 452 
    mov   [edi+32],eax
451 
    ret
 453 
    ret
452 
 
 454 
 
453 
;----------------------------------------------------------------
 455 
;----------------------------------------------------------------
454 
;
 456 
;
455 
;  fs_CdGetFileInfo - LFN variant for CD
 457 
;  fs_CdGetFileInfo - LFN variant for CD
456 
;                     get file/directory attributes structure
 458 
;                     get file/directory attributes structure
457 
;
 459 
;
458 
;----------------------------------------------------------------
 460 
;----------------------------------------------------------------
459 
fs_CdGetFileInfo:
 461 
fs_CdGetFileInfo:
460 
	cmp	byte [esi], 0
 462 
	cmp	byte [esi], 0
461 
	jnz	@f
 463 
	jnz	@f
462 
	mov	eax, 2
 464 
	mov	eax, 2
463 
	ret
 465 
	ret
464 
@@:
 466 
@@:
465 
	push	edi
 467 
	push	edi
466 
	call	cd_find_lfn
 468 
	call	cd_find_lfn
467 
	pushfd
 469 
	pushfd
468 
	cmp	[DevErrorCode], 0
 470 
	cmp	[DevErrorCode], 0
469 
	jz	@f
 471 
	jz	@f
470 
	popfd
 472 
	popfd
471 
	pop	edi
 473 
	pop	edi
472 
	mov	eax, 11
 474 
	mov	eax, 11
473 
	ret
 475 
	ret
474 
@@:
 476 
@@:
475 
	popfd
 477 
	popfd
476 
	jnc	@f
 478 
	jnc	@f
477 
	pop	edi
 479 
	pop	edi
478 
	mov	eax, ERROR_FILE_NOT_FOUND
 480 
	mov	eax, ERROR_FILE_NOT_FOUND
479 
	ret
 481 
	ret
480 
@@:
 482 
@@:
481 
 
 483 
 
482 
	mov	edi, edx
 484 
	mov	edi, edx
483 
	push	ebp
 485 
	push	ebp
484 
	mov	ebp, [cd_current_pointer_of_input]
 486 
	mov	ebp, [cd_current_pointer_of_input]
485 
	add	ebp, 33
 487 
	add	ebp, 33
486 
	call	cd_get_parameters_of_file_1
 488 
	call	cd_get_parameters_of_file_1
487 
	pop	ebp
 489 
	pop	ebp
488 
	and	dword [edi+4], 0
 490 
	and	dword [edi+4], 0
489 
	pop	edi
 491 
	pop	edi
490 
	xor	eax, eax
 492 
	xor	eax, eax
491 
	ret
 493 
	ret
492 
 
 494 
 
493 
cd_find_lfn:
 495 
cd_find_lfn:
494 
       mov   [cd_appl_data],0
 496 
       mov   [cd_appl_data],0
495 
; in: esi+ebp -> name
 497 
; in: esi+ebp -> name
496 
; out: CF=1 - file not found
 498 
; out: CF=1 - file not found
497 
;      else CF=0 and [cd_current_pointer_of_input] direntry
 499 
;      else CF=0 and [cd_current_pointer_of_input] direntry
498 
	push eax esi
 500 
	push eax esi
499 
; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
 501 
; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
500 
	mov  [CDSectorAddress],dword 15
 502 
	mov  [CDSectorAddress],dword 15
501 
       mov  [CDDataBuf_pointer],CDDataBuf
 503 
       mov  [CDDataBuf_pointer],CDDataBuf
502 
       call  prevent_medium_removal
 504 
       call  prevent_medium_removal
503 
.start:
 505 
.start:
504 
	inc  dword [CDSectorAddress]
 506 
	inc  dword [CDSectorAddress]
505 
       call  ReadCDWRetr    ;_1
 507 
       call  ReadCDWRetr    ;_1
506 
       cmp   [DevErrorCode],0
 508 
       cmp   [DevErrorCode],0
507 
       jne   .access_denied
 509 
       jne   .access_denied
508 
; ïðîâåðêà íà âøèâîñòü
 510 
; ïðîâåðêà íà âøèâîñòü
509 
	cmp  [CDDataBuf+1],dword 'CD00'
 511 
	cmp  [CDDataBuf+1],dword 'CD00'
510 
	jne  .access_denied
 512 
	jne  .access_denied
511 
	cmp  [CDDataBuf+5],byte '1'
 513 
	cmp  [CDDataBuf+5],byte '1'
512 
	jne  .access_denied
 514 
	jne  .access_denied
513 
; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ?
 515 
; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ?
514 
	cmp  [CDDataBuf],byte 0xff
 516 
	cmp  [CDDataBuf],byte 0xff
515 
	je  .access_denied
 517 
	je  .access_denied
516 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà?
 518 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà?
517 
	cmp  [CDDataBuf],byte 0x2
 519 
	cmp  [CDDataBuf],byte 0x2
518 
	jne  .start
 520 
	jne  .start
519 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
 521 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
520 
	cmp  [CDDataBuf+6],byte 0x1
 522 
	cmp  [CDDataBuf+6],byte 0x1
521 
	jne  .start
 523 
	jne  .start
522 
; ïàðàìåòðû root äèðåêòðîðèè
 524 
; ïàðàìåòðû root äèðåêòðîðèè
523 
	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
 525 
	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
524 
	mov  [CDSectorAddress],eax
 526 
	mov  [CDSectorAddress],eax
525 
	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
 527 
	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
526 
	cmp    byte [esi], 0
 528 
	cmp    byte [esi], 0
527 
	jnz    @f
 529 
	jnz    @f
528 
	mov   [cd_current_pointer_of_input],CDDataBuf+0x9c
 530 
	mov   [cd_current_pointer_of_input],CDDataBuf+0x9c
529 
	jmp   .done
 531 
	jmp   .done
530 
@@:
 532 
@@:
531 
; íà÷èíàåì ïîèñê
 533 
; íà÷èíàåì ïîèñê
532 
.mainloop:
 534 
.mainloop:
533 
	dec  dword [CDSectorAddress]
 535 
	dec  dword [CDSectorAddress]
534 
.read_to_buffer:
 536 
.read_to_buffer:
535 
	inc  dword [CDSectorAddress]
 537 
	inc  dword [CDSectorAddress]
536 
	mov  [CDDataBuf_pointer],CDDataBuf
 538 
	mov  [CDDataBuf_pointer],CDDataBuf
537 
	call ReadCDWRetr	 ; ÷èòàåì ñåêòîð äèðåêòîðèè
 539 
	call ReadCDWRetr	 ; ÷èòàåì ñåêòîð äèðåêòîðèè
538 
	cmp   [DevErrorCode],0
 540 
	cmp   [DevErrorCode],0
539 
	jne   .access_denied
 541 
	jne   .access_denied
540 
	push	ebp
 542 
	push	ebp
541 
	call	cd_find_name_in_buffer
 543 
	call	cd_find_name_in_buffer
542 
	pop	ebp
 544 
	pop	ebp
543 
	jnc	.found
 545 
	jnc	.found
544 
	sub  eax,2048
 546 
	sub  eax,2048
545 
; äèðåêòîðèÿ çàêîí÷èëàñü?
 547 
; äèðåêòîðèÿ çàêîí÷èëàñü?
546 
	cmp  eax,0
 548 
	cmp  eax,0
547 
	ja   .read_to_buffer
 549 
	ja   .read_to_buffer
548 
; íåò èñêîìîãî ýëåìåíòà öåïî÷êè
 550 
; íåò èñêîìîãî ýëåìåíòà öåïî÷êè
549 
.access_denied:
 551 
.access_denied:
550 
	pop  esi eax
 552 
	pop  esi eax
551 
	mov   [cd_appl_data],1
 553 
	mov   [cd_appl_data],1
552 
	stc
 554 
	stc
553 
	ret
 555 
	ret
554 
; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
 556 
; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
555 
  .found:
 557 
  .found:
556 
; êîíåö ïóòè ôàéëà
 558 
; êîíåö ïóòè ôàéëà
557 
	cmp    byte [esi-1], 0
 559 
	cmp    byte [esi-1], 0
558 
	jz    .done
 560 
	jz    .done
559 
  .nested:
 561 
  .nested:
560 
	mov    eax,[cd_current_pointer_of_input]
 562 
	mov    eax,[cd_current_pointer_of_input]
561 
	push	dword [eax+2]
 563 
	push	dword [eax+2]
562 
	pop	dword [CDSectorAddress]       ; íà÷àëî äèðåêòîðèè
 564 
	pop	dword [CDSectorAddress]       ; íà÷àëî äèðåêòîðèè
563 
	mov    eax,[eax+2+8]  ; ðàçìåð äèðåêòîðèè
 565 
	mov    eax,[eax+2+8]  ; ðàçìåð äèðåêòîðèè
564 
	jmp    .mainloop
 566 
	jmp    .mainloop
565 
; óêàçàòåëü ôàéëà íàéäåí
 567 
; óêàçàòåëü ôàéëà íàéäåí
566 
   .done:
 568 
   .done:
567 
	test	ebp, ebp
 569 
	test	ebp, ebp
568 
	jz	@f
 570 
	jz	@f
569 
	mov	esi, ebp
 571 
	mov	esi, ebp
570 
	xor	ebp, ebp
 572 
	xor	ebp, ebp
571 
	jmp	.nested
 573 
	jmp	.nested
572 
@@:
 574 
@@:
573 
	pop  esi eax
 575 
	pop  esi eax
574 
	mov   [cd_appl_data],1
 576 
	mov   [cd_appl_data],1
575 
	clc
 577 
	clc
576 
	ret
 578 
	ret
577 
 
 579 
 
578 
cd_find_name_in_buffer:
 580 
cd_find_name_in_buffer:
579 
	mov	[cd_current_pointer_of_input_2],CDDataBuf
 581 
	mov	[cd_current_pointer_of_input_2],CDDataBuf
580 
.start:
 582 
.start:
581 
	call	cd_get_name
 583 
	call	cd_get_name
582 
	jc	.not_found
 584 
	jc	.not_found
583 
	call	cd_compare_name
 585 
	call	cd_compare_name
584 
	jc	.start
 586 
	jc	.start
585 
.found:
 587 
.found:
586 
	clc
 588 
	clc
587 
	ret
 589 
	ret
588 
.not_found:
 590 
.not_found:
589 
	stc
 591 
	stc
590 
	ret
 592 
	ret
591 
 
 593 
 
592 
cd_get_name:
 594 
cd_get_name:
593 
	push eax
 595 
	push eax
594 
	mov   ebp,[cd_current_pointer_of_input_2]
 596 
	mov   ebp,[cd_current_pointer_of_input_2]
595 
	mov   [cd_current_pointer_of_input],ebp
 597 
	mov   [cd_current_pointer_of_input],ebp
596 
	mov   eax,[ebp]
 598 
	mov   eax,[ebp]
597 
	cmp   eax,0   ; âõîäû çàêîí÷èëèñü?
 599 
	cmp   eax,0   ; âõîäû çàêîí÷èëèñü?
598 
	je    .next_sector
 600 
	je    .next_sector
599 
	cmp   ebp,CDDataBuf+2048     ; áóôåð çàêîí÷èëñÿ?
 601 
	cmp   ebp,CDDataBuf+2048     ; áóôåð çàêîí÷èëñÿ?
600 
	jae   .next_sector
 602 
	jae   .next_sector
601 
	movzx eax, byte [ebp]
 603 
	movzx eax, byte [ebp]
602 
	add   [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà
 604 
	add   [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà
603 
	add   ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè
 605 
	add   ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè
604 
	pop   eax
 606 
	pop   eax
605 
	clc
 607 
	clc
606 
	ret
 608 
	ret
607 
.next_sector:
 609 
.next_sector:
608 
	pop  eax
 610 
	pop  eax
609 
	stc
 611 
	stc
610 
	ret
 612 
	ret
611 
 
 613 
 
612 
cd_compare_name:
 614 
cd_compare_name:
613 
; compares ASCIIZ-names, case-insensitive (cp866 encoding)
 615 
; compares ASCIIZ-names, case-insensitive (cp866 encoding)
614 
; in: esi->name, ebp->name
 616 
; in: esi->name, ebp->name
615 
; out: if names match: ZF=1 and esi->next component of name
 617 
; out: if names match: ZF=1 and esi->next component of name
616 
;      else: ZF=0, esi is not changed
 618 
;      else: ZF=0, esi is not changed
617 
; destroys eax
 619 
; destroys eax
618 
    push    esi eax edi
 620 
    push    esi eax edi
619 
    mov     edi,ebp
 621 
    mov     edi,ebp
620 
.loop:
 622 
.loop:
621 
    cld
 623 
    cld
622 
    lodsb
 624 
    lodsb
623 
    push eax
 625 
    push eax
624 
    call char_todown
 626 
    call char_todown
625 
    call ansi2uni_char
 627 
    call ansi2uni_char
626 
    xchg ah,al
 628 
    xchg ah,al
627 
    scasw
 629 
    scasw
628 
    pop  eax
 630 
    pop  eax
629 
    je	  .coincides
 631 
    je	  .coincides
630 
    call char_toupper
 632 
    call char_toupper
631 
    call ansi2uni_char
 633 
    call ansi2uni_char
632 
    xchg ah,al
 634 
    xchg ah,al
633 
    sub  edi,2
 635 
    sub  edi,2
634 
    scasw
 636 
    scasw
635 
    jne   .name_not_coincide
 637 
    jne   .name_not_coincide
636 
.coincides:
 638 
.coincides:
637 
    cmp   [esi],byte '/'  ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
 639 
    cmp   [esi],byte '/'  ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
638 
    je	 .done
 640 
    je	 .done
639 
    cmp   [esi],byte 0	; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
 641 
    cmp   [esi],byte 0	; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
640 
    je	 .done
 642 
    je	 .done
641 
    jmp   .loop
 643 
    jmp   .loop
642 
.name_not_coincide:
 644 
.name_not_coincide:
643 
    pop    edi eax esi
 645 
    pop    edi eax esi
644 
    stc
 646 
    stc
645 
    ret
 647 
    ret
646 
.done:
 648 
.done:
647 
; ïðîâåðêà êîíöà ôàéëà
 649 
; ïðîâåðêà êîíöà ôàéëà
648 
    cmp   [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 650 
    cmp   [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
649 
    je	 .done_1
 651 
    je	 .done_1
650 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 652 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
651 
    movzx   eax,byte [ebp-33]
 653 
    movzx   eax,byte [ebp-33]
652 
    add   eax,ebp
 654 
    add   eax,ebp
653 
    sub   eax,34
 655 
    sub   eax,34
654 
    cmp   edi,eax
 656 
    cmp   edi,eax
655 
    je	 .done_1
 657 
    je	 .done_1
656 
; ïðîâåðêà êîíöà ïàïêè
 658 
; ïðîâåðêà êîíöà ïàïêè
657 
    movzx   eax,byte [ebp-1]
 659 
    movzx   eax,byte [ebp-1]
658 
    add   eax,ebp
 660 
    add   eax,ebp
659 
    cmp   edi,eax
 661 
    cmp   edi,eax
660 
    jne   .name_not_coincide
 662 
    jne   .name_not_coincide
661 
.done_1:
 663 
.done_1:
662 
    pop   edi eax
 664 
    pop   edi eax
663 
    add   esp,4
 665 
    add   esp,4
664 
    inc   esi
 666 
    inc   esi
665 
    clc
 667 
    clc
666 
    ret
 668 
    ret
667 
 
 669 
 
668 
char_todown:
 670 
char_todown:
669 
; convert character to uppercase, using cp866 encoding
 671 
; convert character to uppercase, using cp866 encoding
670 
; in: al=symbol
 672 
; in: al=symbol
671 
; out: al=converted symbol
 673 
; out: al=converted symbol
672 
	cmp	al, 'A'
 674 
	cmp	al, 'A'
673 
	jb	.ret
 675 
	jb	.ret
674 
	cmp	al, 'Z'
 676 
	cmp	al, 'Z'
675 
	jbe	.az
 677 
	jbe	.az
676 
	cmp	al, '€'
 678 
	cmp	al, '€'
677 
	jb	.ret
 679 
	jb	.ret
678 
	cmp	al, ''
 680 
	cmp	al, ''
679 
	jb	.rus1
 681 
	jb	.rus1
680 
	cmp	al, 'Ÿ'
 682 
	cmp	al, 'Ÿ'
681 
	ja	.ret
 683 
	ja	.ret
682 
; 0x90-0x9F -> 0xE0-0xEF
 684 
; 0x90-0x9F -> 0xE0-0xEF
683 
	add	al, 'à'-''
 685 
	add	al, 'à'-''
684 
.ret:
 686 
.ret:
685 
	ret
 687 
	ret
686 
.rus1:
 688 
.rus1:
687 
; 0x80-0x8F -> 0xA0-0xAF
 689 
; 0x80-0x8F -> 0xA0-0xAF
688 
.az:
 690 
.az:
689 
	add	al, 0x20
 691 
	add	al, 0x20
690 
	ret
 692 
	ret
691 
 
 693 
 
692 
uni2ansi_char:
 694 
uni2ansi_char:
693 
; convert UNICODE character in al to ANSI character in ax, using cp866 encoding
 695 
; convert UNICODE character in al to ANSI character in ax, using cp866 encoding
694 
; in: ax=UNICODE character
 696 
; in: ax=UNICODE character
695 
; out: al=converted ANSI character
 697 
; out: al=converted ANSI character
696 
	cmp	ax, 0x80
 698 
	cmp	ax, 0x80
697 
	jb	.ascii
 699 
	jb	.ascii
698 
	cmp	ax, 0x401
 700 
	cmp	ax, 0x401
699 
	jz	.yo1
 701 
	jz	.yo1
700 
	cmp	ax, 0x451
 702 
	cmp	ax, 0x451
701 
	jz	.yo2
 703 
	jz	.yo2
702 
	cmp	ax, 0x410
 704 
	cmp	ax, 0x410
703 
	jb	.unk
 705 
	jb	.unk
704 
	cmp	ax, 0x440
 706 
	cmp	ax, 0x440
705 
	jb	.rus1
 707 
	jb	.rus1
706 
	cmp	ax, 0x450
 708 
	cmp	ax, 0x450
707 
	jb	.rus2
 709 
	jb	.rus2
708 
.unk:
 710 
.unk:
709 
	mov	al, '_'
 711 
	mov	al, '_'
710 
	jmp	.doit
 712 
	jmp	.doit
711 
.yo1:
 713 
.yo1:
712 
	mov	al, 'ð'
 714 
	mov	al, 'ð'
713 
	jmp	.doit
 715 
	jmp	.doit
714 
.yo2:
 716 
.yo2:
715 
	mov	al, 'ñ'
 717 
	mov	al, 'ñ'
716 
	jmp	.doit
 718 
	jmp	.doit
717 
.rus1:
 719 
.rus1:
718 
; 0x410-0x43F -> 0x80-0xAF
 720 
; 0x410-0x43F -> 0x80-0xAF
719 
	add	al, 0x70
 721 
	add	al, 0x70
720 
	jmp	.doit
 722 
	jmp	.doit
721 
.rus2:
 723 
.rus2:
722 
; 0x440-0x44F -> 0xE0-0xEF
 724 
; 0x440-0x44F -> 0xE0-0xEF
723 
	add	al, 0xA0
 725 
	add	al, 0xA0
724 
.ascii:
 726 
.ascii:
725 
.doit:
 727 
.doit:
726 
	ret
 728 
	ret