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Rev 2010 Rev 2106
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
4 
;; 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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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7 
 
 7 
 
8 
$Revision: 2010 $
 8 
$Revision: 2106 $
9 
 
 9 
 
10 
 
 10 
 
11 
uglobal
 11 
uglobal
12 
cd_current_pointer_of_input    dd  0
 12 
cd_current_pointer_of_input    dd  0
13 
cd_current_pointer_of_input_2  dd  0
 13 
cd_current_pointer_of_input_2  dd  0
14 
cd_mem_location 	       dd  0
 14 
cd_mem_location 	       dd  0
15 
cd_counter_block	       dd  0
 15 
cd_counter_block	       dd  0
16 
IDE_Channel_1		       db  0
 16 
IDE_Channel_1		       db  0
17 
IDE_Channel_2		       db  0
 17 
IDE_Channel_2		       db  0
18 
endg
 18 
endg
19 
 
 19 
 
20 
reserve_cd:
 20 
reserve_cd:
21 
 
 21 
 
22 
    cli
 22 
    cli
23 
    cmp   [cd_status],0
 23 
    cmp   [cd_status],0
24 
    je	  reserve_ok2
 24 
    je	  reserve_ok2
25 
 
 25 
 
26 
    sti
 26 
    sti
27 
    call  change_task
 27 
    call  change_task
28 
    jmp   reserve_cd
 28 
    jmp   reserve_cd
29 
 
 29 
 
30 
  reserve_ok2:
 30 
  reserve_ok2:
31 
 
 31 
 
32 
    push  eax
 32 
    push  eax
33 
    mov   eax,[CURRENT_TASK]
 33 
    mov   eax,[CURRENT_TASK]
34 
    shl   eax,5
 34 
    shl   eax,5
35 
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
 35 
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
36 
    mov   [cd_status],eax
 36 
    mov   [cd_status],eax
37 
    pop   eax
 37 
    pop   eax
38 
    sti
 38 
    sti
39 
    ret
 39 
    ret
40 
 
 40 
 
41 
reserve_cd_channel:
 41 
reserve_cd_channel:
42 
    cmp   [ChannelNumber],1
 42 
    cmp   [ChannelNumber],1
43 
    jne   .IDE_Channel_2
 43 
    jne   .IDE_Channel_2
44 
.IDE_Channel_1:
 44 
.IDE_Channel_1:
45 
    cli
 45 
    cli
46 
    cmp   [IDE_Channel_1],0
 46 
    cmp   [IDE_Channel_1],0
47 
    je	  .reserve_ok_1
 47 
    je	  .reserve_ok_1
48 
    sti
 48 
    sti
49 
    call  change_task
 49 
    call  change_task
50 
    jmp   .IDE_Channel_1
 50 
    jmp   .IDE_Channel_1
51 
.IDE_Channel_2:
 51 
.IDE_Channel_2:
52 
    cli
 52 
    cli
53 
    cmp   [IDE_Channel_2],0
 53 
    cmp   [IDE_Channel_2],0
54 
    je	  .reserve_ok_2
 54 
    je	  .reserve_ok_2
55 
    sti
 55 
    sti
56 
    call  change_task
 56 
    call  change_task
57 
    jmp   .IDE_Channel_1
 57 
    jmp   .IDE_Channel_2
58 
.reserve_ok_1:
 58 
.reserve_ok_1:
59 
    mov [IDE_Channel_1],1
 59 
    mov [IDE_Channel_1],1
- 
 
 60 
    sti
60 
    ret
 61 
    ret
61 
.reserve_ok_2:
 62 
.reserve_ok_2:
62 
    mov [IDE_Channel_2],1
 63 
    mov [IDE_Channel_2],1
- 
 
 64 
    sti
63 
    ret
 65 
    ret
64 
 
 66 
 
65 
free_cd_channel:
 67 
free_cd_channel:
66 
    cmp   [ChannelNumber],1
 68 
    cmp   [ChannelNumber],1
67 
    jne   .IDE_Channel_2
 69 
    jne   .IDE_Channel_2
68 
.IDE_Channel_1:
 70 
.IDE_Channel_1:
69 
    mov [IDE_Channel_1],0
 71 
    mov [IDE_Channel_1],0
70 
    sti
 72 
    sti
71 
    ret
 73 
    ret
72 
.IDE_Channel_2:
 74 
.IDE_Channel_2:
73 
    mov [IDE_Channel_2],0
 75 
    mov [IDE_Channel_2],0
74 
    sti
 76 
    sti
75 
    ret
 77 
    ret
76 
 
 78 
 
77 
uglobal
 79 
uglobal
78 
cd_status dd 0
 80 
cd_status dd 0
79 
endg
 81 
endg
80 
 
 82 
 
81 
;----------------------------------------------------------------
 83 
;----------------------------------------------------------------
82 
;
 84 
;
83 
;  fs_CdRead - LFN variant for reading CD disk
 85 
;  fs_CdRead - LFN variant for reading CD disk
84 
;
 86 
;
85 
;  esi  points to filename /dir1/dir2/.../dirn/file,0
 87 
;  esi  points to filename /dir1/dir2/.../dirn/file,0
86 
;  ebx  pointer to 64-bit number = first wanted byte, 0+
 88 
;  ebx  pointer to 64-bit number = first wanted byte, 0+
87 
;       may be ebx=0 - start from first byte
 89 
;       may be ebx=0 - start from first byte
88 
;  ecx  number of bytes to read, 0+
 90 
;  ecx  number of bytes to read, 0+
89 
;  edx  mem location to return data
 91 
;  edx  mem location to return data
90 
;
 92 
;
91 
;  ret ebx = bytes read or 0xffffffff file not found
 93 
;  ret ebx = bytes read or 0xffffffff file not found
92 
;      eax = 0 ok read or other = errormsg
 94 
;      eax = 0 ok read or other = errormsg
93 
;
 95 
;
94 
;--------------------------------------------------------------
 96 
;--------------------------------------------------------------
95 
fs_CdRead:
 97 
fs_CdRead:
96 
    push    edi
 98 
    push    edi
97 
    cmp    byte [esi], 0
 99 
    cmp    byte [esi], 0
98 
    jnz    @f
 100 
    jnz    @f
99 
.noaccess:
 101 
.noaccess:
100 
    pop    edi
 102 
    pop    edi
101 
.noaccess_2:
 103 
.noaccess_2:
102 
    or	  ebx, -1
 104 
    or	  ebx, -1
103 
    mov    eax, ERROR_ACCESS_DENIED
 105 
    mov    eax, ERROR_ACCESS_DENIED
104 
    ret
 106 
    ret
105 
 
 107 
 
106 
.noaccess_3:
 108 
.noaccess_3:
107 
    pop     eax edx ecx edi
 109 
    pop     eax edx ecx edi
108 
    jmp  .noaccess_2
 110 
    jmp  .noaccess_2
109 
 
 111 
 
110 
@@:
 112 
@@:
111 
    call    cd_find_lfn
 113 
    call    cd_find_lfn
112 
    jnc    .found
 114 
    jnc    .found
113 
    pop    edi
 115 
    pop    edi
114 
    cmp   [DevErrorCode],0
 116 
    cmp   [DevErrorCode],0
115 
    jne   .noaccess_2
 117 
    jne   .noaccess_2
116 
    or	  ebx, -1
 118 
    or	  ebx, -1
117 
    mov    eax, ERROR_FILE_NOT_FOUND
 119 
    mov    eax, ERROR_FILE_NOT_FOUND
118 
    ret
 120 
    ret
119 
 
 121 
 
120 
.found:
 122 
.found:
121 
    mov    edi,[cd_current_pointer_of_input]
 123 
    mov    edi,[cd_current_pointer_of_input]
122 
    test   byte [edi+25],10b	; do not allow read directories
 124 
    test   byte [edi+25],10b	; do not allow read directories
123 
    jnz    .noaccess
 125 
    jnz    .noaccess
124 
    test    ebx, ebx
 126 
    test    ebx, ebx
125 
    jz	  .l1
 127 
    jz	  .l1
126 
    cmp    dword [ebx+4], 0
 128 
    cmp    dword [ebx+4], 0
127 
    jz	  @f
 129 
    jz	  @f
128 
	xor	ebx, ebx
 130 
	xor	ebx, ebx
129 
.reteof:
 131 
.reteof:
130 
    mov    eax, 6 ; end of file
 132 
    mov    eax, 6 ; end of file
131 
    pop    edi
 133 
    pop    edi
132 
    ret
 134 
    ret
133 
@@:
 135 
@@:
134 
    mov    ebx, [ebx]
 136 
    mov    ebx, [ebx]
135 
.l1:
 137 
.l1:
136 
	push	ecx edx
 138 
	push	ecx edx
137 
	push	0
 139 
	push	0
138 
	mov	eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè
 140 
	mov	eax, [edi+10] ; ðåàëüíûé ðàçìåð ôàéëîâîé ñåêöèè
139 
	sub	eax, ebx
 141 
	sub	eax, ebx
140 
	jb	.eof
 142 
	jb	.eof
141 
	cmp	eax, ecx
 143 
	cmp	eax, ecx
142 
	jae	@f
 144 
	jae	@f
143 
	mov	ecx, eax
 145 
	mov	ecx, eax
144 
	mov	byte [esp], 6
 146 
	mov	byte [esp], 6
145 
@@:
 147 
@@:
146 
     mov    eax,[edi+2]
 148 
     mov    eax,[edi+2]
147 
     mov    [CDSectorAddress],eax
 149 
     mov    [CDSectorAddress],eax
148 
; now eax=cluster, ebx=position, ecx=count, edx=buffer for data
 150 
; now eax=cluster, ebx=position, ecx=count, edx=buffer for data
149 
.new_sector:
 151 
.new_sector:
150 
    test    ecx, ecx
 152 
    test    ecx, ecx
151 
    jz	  .done
 153 
    jz	  .done
152 
    sub    ebx, 2048
 154 
    sub    ebx, 2048
153 
    jae    .next
 155 
    jae    .next
154 
    add    ebx, 2048
 156 
    add    ebx, 2048
155 
    jnz    .incomplete_sector
 157 
    jnz    .incomplete_sector
156 
    cmp    ecx, 2048
 158 
    cmp    ecx, 2048
157 
    jb	  .incomplete_sector
 159 
    jb	  .incomplete_sector
158 
; we may read and memmove complete sector
 160 
; we may read and memmove complete sector
159 
    mov  [CDDataBuf_pointer],edx
 161 
    mov  [CDDataBuf_pointer],edx
160 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
 162 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
161 
    cmp   [DevErrorCode],0
 163 
    cmp   [DevErrorCode],0
162 
    jne   .noaccess_3
 164 
    jne   .noaccess_3
163 
    add    edx, 2048
 165 
    add    edx, 2048
164 
    sub    ecx, 2048
 166 
    sub    ecx, 2048
165 
.next:
 167 
.next:
166 
    inc  dword [CDSectorAddress]
 168 
    inc  dword [CDSectorAddress]
167 
    jmp    .new_sector
 169 
    jmp    .new_sector
168 
.incomplete_sector:
 170 
.incomplete_sector:
169 
; we must read and memmove incomplete sector
 171 
; we must read and memmove incomplete sector
170 
    mov  [CDDataBuf_pointer],CDDataBuf
 172 
    mov  [CDDataBuf_pointer],CDDataBuf
171 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
 173 
    call ReadCDWRetr	  ; ÷èòàåì ñåêòîð ôàéëà
172 
    cmp   [DevErrorCode],0
 174 
    cmp   [DevErrorCode],0
173 
    jne   .noaccess_3
 175 
    jne   .noaccess_3
174 
    push    ecx
 176 
    push    ecx
175 
    add    ecx, ebx
 177 
    add    ecx, ebx
176 
    cmp    ecx, 2048
 178 
    cmp    ecx, 2048
177 
    jbe    @f
 179 
    jbe    @f
178 
    mov    ecx, 2048
 180 
    mov    ecx, 2048
179 
@@:
 181 
@@:
180 
    sub    ecx, ebx
 182 
    sub    ecx, ebx
181 
     push edi esi ecx
 183 
     push edi esi ecx
182 
     mov edi,edx
 184 
     mov edi,edx
183 
	lea	esi, [CDDataBuf + ebx]
 185 
	lea	esi, [CDDataBuf + ebx]
184 
     cld
 186 
     cld
185 
     rep movsb
 187 
     rep movsb
186 
     pop ecx esi edi
 188 
     pop ecx esi edi
187 
    add    edx, ecx
 189 
    add    edx, ecx
188 
    sub    [esp], ecx
 190 
    sub    [esp], ecx
189 
    pop    ecx
 191 
    pop    ecx
190 
    xor    ebx, ebx
 192 
    xor    ebx, ebx
191 
    jmp    .next
 193 
    jmp    .next
192 
 
 194 
 
193 
.done:
 195 
.done:
194 
	mov	ebx, edx
 196 
	mov	ebx, edx
195 
	pop	eax edx ecx edi
 197 
	pop	eax edx ecx edi
196 
	sub	ebx, edx
 198 
	sub	ebx, edx
197 
	ret
 199 
	ret
198 
.eof:
 200 
.eof:
199 
	mov	ebx, edx
 201 
	mov	ebx, edx
200 
	pop	eax edx ecx
 202 
	pop	eax edx ecx
201 
	sub	ebx, edx
 203 
	sub	ebx, edx
202 
	jmp	.reteof
 204 
	jmp	.reteof
203 
 
 205 
 
204 
;----------------------------------------------------------------
 206 
;----------------------------------------------------------------
205 
;
 207 
;
206 
;  fs_CdReadFolder - LFN variant for reading CD disk folder
 208 
;  fs_CdReadFolder - LFN variant for reading CD disk folder
207 
;
 209 
;
208 
;  esi  points to filename  /dir1/dir2/.../dirn/file,0
 210 
;  esi  points to filename  /dir1/dir2/.../dirn/file,0
209 
;  ebx  pointer to structure 32-bit number = first wanted block, 0+
 211 
;  ebx  pointer to structure 32-bit number = first wanted block, 0+
210 
;                          & flags (bitfields)
 212 
;                          & flags (bitfields)
211 
; flags: bit 0: 0=ANSI names, 1=UNICODE names
 213 
; flags: bit 0: 0=ANSI names, 1=UNICODE names
212 
;  ecx  number of blocks to read, 0+
 214 
;  ecx  number of blocks to read, 0+
213 
;  edx  mem location to return data
 215 
;  edx  mem location to return data
214 
;
 216 
;
215 
;  ret ebx = blocks read or 0xffffffff folder not found
 217 
;  ret ebx = blocks read or 0xffffffff folder not found
216 
;      eax = 0 ok read or other = errormsg
 218 
;      eax = 0 ok read or other = errormsg
217 
;
 219 
;
218 
;--------------------------------------------------------------
 220 
;--------------------------------------------------------------
219 
fs_CdReadFolder:
 221 
fs_CdReadFolder:
220 
	push	edi
 222 
	push	edi
221 
	call	cd_find_lfn
 223 
	call	cd_find_lfn
222 
	jnc	.found
 224 
	jnc	.found
223 
	pop	edi
 225 
	pop	edi
224 
	cmp	[DevErrorCode], 0
 226 
	cmp	[DevErrorCode], 0
225 
	jne	.noaccess_1
 227 
	jne	.noaccess_1
226 
	or	ebx, -1
 228 
	or	ebx, -1
227 
	mov	eax, ERROR_FILE_NOT_FOUND
 229 
	mov	eax, ERROR_FILE_NOT_FOUND
228 
	ret
 230 
	ret
229 
.found:
 231 
.found:
230 
	mov	edi, [cd_current_pointer_of_input]
 232 
	mov	edi, [cd_current_pointer_of_input]
231 
	test	byte [edi+25], 10b    ; do not allow read directories
 233 
	test	byte [edi+25], 10b    ; do not allow read directories
232 
	jnz	.found_dir
 234 
	jnz	.found_dir
233 
	pop	edi
 235 
	pop	edi
234 
.noaccess_1:
 236 
.noaccess_1:
235 
	or	ebx, -1
 237 
	or	ebx, -1
236 
	mov	eax, ERROR_ACCESS_DENIED
 238 
	mov	eax, ERROR_ACCESS_DENIED
237 
	ret
 239 
	ret
238 
.found_dir:
 240 
.found_dir:
239 
	mov	eax, [edi+2]	; eax=cluster
 241 
	mov	eax, [edi+2]	; eax=cluster
240 
	mov	[CDSectorAddress], eax
 242 
	mov	[CDSectorAddress], eax
241 
	mov	eax, [edi+10]	; ðàçìåð äèðåêòðîðèè
 243 
	mov	eax, [edi+10]	; ðàçìåð äèðåêòðîðèè
242 
.doit:
 244 
.doit:
243 
; init header
 245 
; init header
244 
	push	eax ecx
 246 
	push	eax ecx
245 
	mov	edi, edx
 247 
	mov	edi, edx
246 
	mov	ecx, 32/4
 248 
	mov	ecx, 32/4
247 
	xor	eax, eax
 249 
	xor	eax, eax
248 
	rep	stosd
 250 
	rep	stosd
249 
	pop	ecx eax
 251 
	pop	ecx eax
250 
	mov	byte [edx], 1	; version
 252 
	mov	byte [edx], 1	; version
251 
	mov	[cd_mem_location], edx
 253 
	mov	[cd_mem_location], edx
252 
	add	[cd_mem_location], 32
 254 
	add	[cd_mem_location], 32
253 
; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ
 255 
; íà÷èíàåì ïåðåáðîñêó ÁÄÂÊ â ÓÑÂÊ
254 
;.mainloop:
 256 
;.mainloop:
255 
	mov	[cd_counter_block], dword 0
 257 
	mov	[cd_counter_block], dword 0
256 
	dec	dword [CDSectorAddress]
 258 
	dec	dword [CDSectorAddress]
257 
	push	ecx
 259 
	push	ecx
258 
.read_to_buffer:
 260 
.read_to_buffer:
259 
	inc	dword [CDSectorAddress]
 261 
	inc	dword [CDSectorAddress]
260 
	mov	[CDDataBuf_pointer], CDDataBuf
 262 
	mov	[CDDataBuf_pointer], CDDataBuf
261 
	call	ReadCDWRetr	    ; ÷èòàåì ñåêòîð äèðåêòîðèè
 263 
	call	ReadCDWRetr	    ; ÷èòàåì ñåêòîð äèðåêòîðèè
262 
	cmp	[DevErrorCode], 0
 264 
	cmp	[DevErrorCode], 0
263 
	jne	.noaccess_1
 265 
	jne	.noaccess_1
264 
	call	.get_names_from_buffer
 266 
	call	.get_names_from_buffer
265 
	sub	eax,2048
 267 
	sub	eax,2048
266 
; äèðåêòîðèÿ çàêîí÷èëàñü?
 268 
; äèðåêòîðèÿ çàêîí÷èëàñü?
267 
	ja	.read_to_buffer
 269 
	ja	.read_to_buffer
268 
	mov	edi, [cd_counter_block]
 270 
	mov	edi, [cd_counter_block]
269 
	mov	[edx+8], edi
 271 
	mov	[edx+8], edi
270 
	mov	edi, [ebx]
 272 
	mov	edi, [ebx]
271 
	sub	[edx+4], edi
 273 
	sub	[edx+4], edi
272 
	xor	eax, eax
 274 
	xor	eax, eax
273 
	dec	ecx
 275 
	dec	ecx
274 
	js	@f
 276 
	js	@f
275 
	mov	al, ERROR_END_OF_FILE
 277 
	mov	al, ERROR_END_OF_FILE
276 
@@:
 278 
@@:
277 
	pop	ecx edi
 279 
	pop	ecx edi
278 
	mov	ebx, [edx+4]
 280 
	mov	ebx, [edx+4]
279 
	ret
 281 
	ret
280 
 
 282 
 
281 
.get_names_from_buffer:
 283 
.get_names_from_buffer:
282 
    mov     [cd_current_pointer_of_input_2],CDDataBuf
 284 
    mov     [cd_current_pointer_of_input_2],CDDataBuf
283 
    push    eax esi edi edx
 285 
    push    eax esi edi edx
284 
.get_names_from_buffer_1:
 286 
.get_names_from_buffer_1:
285 
    call    cd_get_name
 287 
    call    cd_get_name
286 
    jc	  .end_buffer
 288 
    jc	  .end_buffer
287 
    inc    dword [cd_counter_block]
 289 
    inc    dword [cd_counter_block]
288 
    mov    eax,[cd_counter_block]
 290 
    mov    eax,[cd_counter_block]
289 
    cmp    [ebx],eax
 291 
    cmp    [ebx],eax
290 
    jae     .get_names_from_buffer_1
 292 
    jae     .get_names_from_buffer_1
291 
    test    ecx, ecx
 293 
    test    ecx, ecx
292 
    jz	  .get_names_from_buffer_1
 294 
    jz	  .get_names_from_buffer_1
293 
    mov   edi,[cd_counter_block]
 295 
    mov   edi,[cd_counter_block]
294 
    mov   [edx+4],edi
 296 
    mov   [edx+4],edi
295 
    dec     ecx
 297 
    dec     ecx
296 
    mov   esi,ebp
 298 
    mov   esi,ebp
297 
    mov   edi,[cd_mem_location]
 299 
    mov   edi,[cd_mem_location]
298 
    add   edi,40
 300 
    add   edi,40
299 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
 301 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
300 
    jnz    .unicode
 302 
    jnz    .unicode
301 
;    jmp  .unicode
 303 
;    jmp  .unicode
302 
.ansi:
 304 
.ansi:
303 
    cmp   [cd_counter_block],2
 305 
    cmp   [cd_counter_block],2
304 
    jbe   .ansi_parent_directory
 306 
    jbe   .ansi_parent_directory
305 
    cld
 307 
    cld
306 
    lodsw
 308 
    lodsw
307 
    xchg ah,al
 309 
    xchg ah,al
308 
    call uni2ansi_char
 310 
    call uni2ansi_char
309 
    cld
 311 
    cld
310 
    stosb
 312 
    stosb
311 
; ïðîâåðêà êîíöà ôàéëà
 313 
; ïðîâåðêà êîíöà ôàéëà
312 
    mov   ax,[esi]
 314 
    mov   ax,[esi]
313 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 315 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
314 
    je	 .cd_get_parameters_of_file_1
 316 
    je	 .cd_get_parameters_of_file_1
315 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 317 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
316 
    movzx   eax,byte [ebp-33]
 318 
    movzx   eax,byte [ebp-33]
317 
    add   eax,ebp
 319 
    add   eax,ebp
318 
    sub   eax,34
 320 
    sub   eax,34
319 
    cmp   esi,eax
 321 
    cmp   esi,eax
320 
    je	 .cd_get_parameters_of_file_1
 322 
    je	 .cd_get_parameters_of_file_1
321 
; ïðîâåðêà êîíöà ïàïêè
 323 
; ïðîâåðêà êîíöà ïàïêè
322 
    movzx   eax,byte [ebp-1]
 324 
    movzx   eax,byte [ebp-1]
323 
    add   eax,ebp
 325 
    add   eax,ebp
324 
    cmp   esi,eax
 326 
    cmp   esi,eax
325 
    jb	 .ansi
 327 
    jb	 .ansi
326 
.cd_get_parameters_of_file_1:
 328 
.cd_get_parameters_of_file_1:
327 
    mov   [edi],byte 0
 329 
    mov   [edi],byte 0
328 
    call  cd_get_parameters_of_file
 330 
    call  cd_get_parameters_of_file
329 
    add   [cd_mem_location],304
 331 
    add   [cd_mem_location],304
330 
    jmp   .get_names_from_buffer_1
 332 
    jmp   .get_names_from_buffer_1
331 
 
 333 
 
332 
.ansi_parent_directory:
 334 
.ansi_parent_directory:
333 
    cmp   [cd_counter_block],2
 335 
    cmp   [cd_counter_block],2
334 
    je	  @f
 336 
    je	  @f
335 
    mov   [edi],byte '.'
 337 
    mov   [edi],byte '.'
336 
    inc   edi
 338 
    inc   edi
337 
    jmp  .cd_get_parameters_of_file_1
 339 
    jmp  .cd_get_parameters_of_file_1
338 
@@:
 340 
@@:
339 
    mov   [edi],word '..'
 341 
    mov   [edi],word '..'
340 
    add   edi,2
 342 
    add   edi,2
341 
    jmp  .cd_get_parameters_of_file_1
 343 
    jmp  .cd_get_parameters_of_file_1
342 
 
 344 
 
343 
.unicode:
 345 
.unicode:
344 
    cmp   [cd_counter_block],2
 346 
    cmp   [cd_counter_block],2
345 
    jbe   .unicode_parent_directory
 347 
    jbe   .unicode_parent_directory
346 
    cld
 348 
    cld
347 
    movsw
 349 
    movsw
348 
; ïðîâåðêà êîíöà ôàéëà
 350 
; ïðîâåðêà êîíöà ôàéëà
349 
    mov   ax,[esi]
 351 
    mov   ax,[esi]
350 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 352 
    cmp   ax,word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
351 
    je	 .cd_get_parameters_of_file_2
 353 
    je	 .cd_get_parameters_of_file_2
352 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 354 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
353 
    movzx   eax,byte [ebp-33]
 355 
    movzx   eax,byte [ebp-33]
354 
    add   eax,ebp
 356 
    add   eax,ebp
355 
    sub   eax,34
 357 
    sub   eax,34
356 
    cmp   esi,eax
 358 
    cmp   esi,eax
357 
    je	 .cd_get_parameters_of_file_2
 359 
    je	 .cd_get_parameters_of_file_2
358 
; ïðîâåðêà êîíöà ïàïêè
 360 
; ïðîâåðêà êîíöà ïàïêè
359 
    movzx   eax,byte [ebp-1]
 361 
    movzx   eax,byte [ebp-1]
360 
    add   eax,ebp
 362 
    add   eax,ebp
361 
    cmp   esi,eax
 363 
    cmp   esi,eax
362 
    jb	 .unicode
 364 
    jb	 .unicode
363 
.cd_get_parameters_of_file_2:
 365 
.cd_get_parameters_of_file_2:
364 
    mov   [edi],word 0
 366 
    mov   [edi],word 0
365 
    call  cd_get_parameters_of_file
 367 
    call  cd_get_parameters_of_file
366 
    add   [cd_mem_location],560
 368 
    add   [cd_mem_location],560
367 
    jmp   .get_names_from_buffer_1
 369 
    jmp   .get_names_from_buffer_1
368 
 
 370 
 
369 
.unicode_parent_directory:
 371 
.unicode_parent_directory:
370 
    cmp   [cd_counter_block],2
 372 
    cmp   [cd_counter_block],2
371 
    je	  @f
 373 
    je	  @f
372 
    mov   [edi],word 2E00h ; '.'
 374 
    mov   [edi],word 2E00h ; '.'
373 
    add   edi,2
 375 
    add   edi,2
374 
    jmp   .cd_get_parameters_of_file_2
 376 
    jmp   .cd_get_parameters_of_file_2
375 
@@:
 377 
@@:
376 
    mov   [edi],dword 2E002E00h ; '..'
 378 
    mov   [edi],dword 2E002E00h ; '..'
377 
    add   edi,4
 379 
    add   edi,4
378 
    jmp   .cd_get_parameters_of_file_2
 380 
    jmp   .cd_get_parameters_of_file_2
379 
 
 381 
 
380 
.end_buffer:
 382 
.end_buffer:
381 
    pop   edx edi esi eax
 383 
    pop   edx edi esi eax
382 
    ret
 384 
    ret
383 
 
 385 
 
384 
cd_get_parameters_of_file:
 386 
cd_get_parameters_of_file:
385 
    mov   edi,[cd_mem_location]
 387 
    mov   edi,[cd_mem_location]
386 
cd_get_parameters_of_file_1:
 388 
cd_get_parameters_of_file_1:
387 
; ïîëó÷àåì àòðèáóòû ôàéëà
 389 
; ïîëó÷àåì àòðèáóòû ôàéëà
388 
    xor   eax,eax
 390 
    xor   eax,eax
389 
; ôàéë íå àðõèâèðîâàëñÿ
 391 
; ôàéë íå àðõèâèðîâàëñÿ
390 
    inc   eax
 392 
    inc   eax
391 
    shl   eax,1
 393 
    shl   eax,1
392 
; ýòî êàòàëîã?
 394 
; ýòî êàòàëîã?
393 
    test  [ebp-8],byte 2
 395 
    test  [ebp-8],byte 2
394 
    jz	  .file
 396 
    jz	  .file
395 
    inc   eax
 397 
    inc   eax
396 
.file:
 398 
.file:
397 
; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò
 399 
; ìåòêà òîìà íå êàê â FAT, â ýòîì âèäå îòñóòñâóåò
398 
; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì
 400 
; ôàéë íå ÿâëÿåòñÿ ñèñòåìíûì
399 
    shl   eax,3
 401 
    shl   eax,3
400 
; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå)
 402 
; ôàéë ÿâëÿåòñÿ ñêðûòûì? (àòðèáóò ñóùåñòâîâàíèå)
401 
    test  [ebp-8],byte 1
 403 
    test  [ebp-8],byte 1
402 
    jz	  .hidden
 404 
    jz	  .hidden
403 
    inc   eax
 405 
    inc   eax
404 
.hidden:
 406 
.hidden:
405 
    shl   eax,1
 407 
    shl   eax,1
406 
; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD
 408 
; ôàéë âñåãäà òîëüêî äëÿ ÷òåíèÿ, òàê êàê ýòî CD
407 
    inc   eax
 409 
    inc   eax
408 
    mov   [edi],eax
 410 
    mov   [edi],eax
409 
; ïîëó÷àåì âðåìÿ äëÿ ôàéëà
 411 
; ïîëó÷àåì âðåìÿ äëÿ ôàéëà
410 
;÷àñ
 412 
;÷àñ
411 
    movzx eax,byte [ebp-12]
 413 
    movzx eax,byte [ebp-12]
412 
    shl   eax,8
 414 
    shl   eax,8
413 
;ìèíóòà
 415 
;ìèíóòà
414 
    mov   al,[ebp-11]
 416 
    mov   al,[ebp-11]
415 
    shl   eax,8
 417 
    shl   eax,8
416 
;ñåêóíäà
 418 
;ñåêóíäà
417 
    mov   al,[ebp-10]
 419 
    mov   al,[ebp-10]
418 
;âðåìÿ ñîçäàíèÿ ôàéëà
 420 
;âðåìÿ ñîçäàíèÿ ôàéëà
419 
    mov   [edi+8],eax
 421 
    mov   [edi+8],eax
420 
;âðåìÿ ïîñëåäíåãî äîñòóïà
 422 
;âðåìÿ ïîñëåäíåãî äîñòóïà
421 
    mov   [edi+16],eax
 423 
    mov   [edi+16],eax
422 
;âðåìÿ ïîñëåäíåé çàïèñè
 424 
;âðåìÿ ïîñëåäíåé çàïèñè
423 
    mov   [edi+24],eax
 425 
    mov   [edi+24],eax
424 
; ïîëó÷àåì äàòó äëÿ ôàéëà
 426 
; ïîëó÷àåì äàòó äëÿ ôàéëà
425 
;ãîä
 427 
;ãîä
426 
    movzx eax,byte [ebp-15]
 428 
    movzx eax,byte [ebp-15]
427 
    add   eax,1900
 429 
    add   eax,1900
428 
    shl   eax,8
 430 
    shl   eax,8
429 
;ìåñÿö
 431 
;ìåñÿö
430 
    mov   al,[ebp-14]
 432 
    mov   al,[ebp-14]
431 
    shl   eax,8
 433 
    shl   eax,8
432 
;äåíü
 434 
;äåíü
433 
    mov   al,[ebp-13]
 435 
    mov   al,[ebp-13]
434 
;äàòà ñîçäàíèÿ ôàéëà
 436 
;äàòà ñîçäàíèÿ ôàéëà
435 
    mov   [edi+12],eax
 437 
    mov   [edi+12],eax
436 
;âðåìÿ ïîñëåäíåãî äîñòóïà
 438 
;âðåìÿ ïîñëåäíåãî äîñòóïà
437 
    mov   [edi+20],eax
 439 
    mov   [edi+20],eax
438 
;âðåìÿ ïîñëåäíåé çàïèñè
 440 
;âðåìÿ ïîñëåäíåé çàïèñè
439 
    mov   [edi+28],eax
 441 
    mov   [edi+28],eax
440 
; ïîëó÷àåì òèï äàííûõ èìåíè
 442 
; ïîëó÷àåì òèï äàííûõ èìåíè
441 
    xor   eax,eax
 443 
    xor   eax,eax
442 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
 444 
    test   dword [ebx+4], 1 ; 0=ANSI, 1=UNICODE
443 
    jnz    .unicode_1
 445 
    jnz    .unicode_1
444 
    mov    [edi+4],eax
 446 
    mov    [edi+4],eax
445 
    jmp   @f
 447 
    jmp   @f
446 
.unicode_1:
 448 
.unicode_1:
447 
    inc    eax
 449 
    inc    eax
448 
    mov    [edi+4],eax
 450 
    mov    [edi+4],eax
449 
@@:
 451 
@@:
450 
; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ
 452 
; ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ
451 
    xor   eax,eax
 453 
    xor   eax,eax
452 
    mov   [edi+32+4],eax
 454 
    mov   [edi+32+4],eax
453 
    mov   eax,[ebp-23]
 455 
    mov   eax,[ebp-23]
454 
    mov   [edi+32],eax
 456 
    mov   [edi+32],eax
455 
    ret
 457 
    ret
456 
 
 458 
 
457 
;----------------------------------------------------------------
 459 
;----------------------------------------------------------------
458 
;
 460 
;
459 
;  fs_CdGetFileInfo - LFN variant for CD
 461 
;  fs_CdGetFileInfo - LFN variant for CD
460 
;                     get file/directory attributes structure
 462 
;                     get file/directory attributes structure
461 
;
 463 
;
462 
;----------------------------------------------------------------
 464 
;----------------------------------------------------------------
463 
fs_CdGetFileInfo:
 465 
fs_CdGetFileInfo:
464 
	cmp	byte [esi], 0
 466 
	cmp	byte [esi], 0
465 
	jnz	@f
 467 
	jnz	@f
466 
	mov	eax, 2
 468 
	mov	eax, 2
467 
	ret
 469 
	ret
468 
@@:
 470 
@@:
469 
	push	edi
 471 
	push	edi
470 
	call	cd_find_lfn
 472 
	call	cd_find_lfn
471 
	pushfd
 473 
	pushfd
472 
	cmp	[DevErrorCode], 0
 474 
	cmp	[DevErrorCode], 0
473 
	jz	@f
 475 
	jz	@f
474 
	popfd
 476 
	popfd
475 
	pop	edi
 477 
	pop	edi
476 
	mov	eax, 11
 478 
	mov	eax, 11
477 
	ret
 479 
	ret
478 
@@:
 480 
@@:
479 
	popfd
 481 
	popfd
480 
	jnc	@f
 482 
	jnc	@f
481 
	pop	edi
 483 
	pop	edi
482 
	mov	eax, ERROR_FILE_NOT_FOUND
 484 
	mov	eax, ERROR_FILE_NOT_FOUND
483 
	ret
 485 
	ret
484 
@@:
 486 
@@:
485 
 
 487 
 
486 
	mov	edi, edx
 488 
	mov	edi, edx
487 
	push	ebp
 489 
	push	ebp
488 
	mov	ebp, [cd_current_pointer_of_input]
 490 
	mov	ebp, [cd_current_pointer_of_input]
489 
	add	ebp, 33
 491 
	add	ebp, 33
490 
	call	cd_get_parameters_of_file_1
 492 
	call	cd_get_parameters_of_file_1
491 
	pop	ebp
 493 
	pop	ebp
492 
	and	dword [edi+4], 0
 494 
	and	dword [edi+4], 0
493 
	pop	edi
 495 
	pop	edi
494 
	xor	eax, eax
 496 
	xor	eax, eax
495 
	ret
 497 
	ret
496 
 
 498 
 
497 
;----------------------------------------------------------------
 499 
;----------------------------------------------------------------
498 
cd_find_lfn:
 500 
cd_find_lfn:
499 
  mov	[cd_appl_data],0
 501 
  mov	[cd_appl_data],0
500 
; in: esi+ebp -> name
 502 
; in: esi+ebp -> name
501 
; out: CF=1 - file not found
 503 
; out: CF=1 - file not found
502 
; else CF=0 and [cd_current_pointer_of_input] direntry
 504 
; else CF=0 and [cd_current_pointer_of_input] direntry
503 
	push eax esi
 505 
	push eax esi
504 
; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
 506 
; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
505 
 
 507 
 
506 
  call	WaitUnitReady
 508 
  call	WaitUnitReady
507 
  cmp	[DevErrorCode],0
 509 
  cmp	[DevErrorCode],0
508 
  jne	.access_denied
 510 
  jne	.access_denied
509 
 
 511 
 
510 
  call	prevent_medium_removal
 512 
  call	prevent_medium_removal
511 
; òåñòîâîå ÷òåíèå
 513 
; òåñòîâîå ÷òåíèå
512 
  mov  [CDSectorAddress],dword 16
 514 
  mov  [CDSectorAddress],dword 16
513 
  mov  [CDDataBuf_pointer],CDDataBuf
 515 
  mov  [CDDataBuf_pointer],CDDataBuf
514 
  call	ReadCDWRetr    ;_1
 516 
  call	ReadCDWRetr    ;_1
515 
   cmp	 [DevErrorCode],0
 517 
   cmp	 [DevErrorCode],0
516 
  jne	.access_denied
 518 
  jne	.access_denied
517 
 
 519 
 
518 
; âû÷èñëåíèå ïîñëåäíåé ñåññèè
 520 
; âû÷èñëåíèå ïîñëåäíåé ñåññèè
519 
  call WaitUnitReady
 521 
  call WaitUnitReady
520 
  cmp	[DevErrorCode],0
 522 
  cmp	[DevErrorCode],0
521 
  jne	.access_denied
 523 
  jne	.access_denied
522 
  call Read_TOC
 524 
  call Read_TOC
523 
  mov  ah,[CDDataBuf+4+4]
 525 
  mov  ah,[CDDataBuf+4+4]
524 
  mov  al,[CDDataBuf+4+5]
 526 
  mov  al,[CDDataBuf+4+5]
525 
  shl  eax,16
 527 
  shl  eax,16
526 
  mov  ah,[CDDataBuf+4+6]
 528 
  mov  ah,[CDDataBuf+4+6]
527 
  mov  al,[CDDataBuf+4+7]
 529 
  mov  al,[CDDataBuf+4+7]
528 
  add  eax,15
 530 
  add  eax,15
529 
  mov  [CDSectorAddress],eax
 531 
  mov  [CDSectorAddress],eax
530 
;  mov  [CDSectorAddress],dword 15
 532 
;  mov  [CDSectorAddress],dword 15
531 
  mov  [CDDataBuf_pointer],CDDataBuf
 533 
  mov  [CDDataBuf_pointer],CDDataBuf
532 
 
 534 
 
533 
.start:
 535 
.start:
534 
	inc  dword [CDSectorAddress]
 536 
	inc  dword [CDSectorAddress]
535 
  call	ReadCDWRetr    ;_1
 537 
  call	ReadCDWRetr    ;_1
536 
   cmp	 [DevErrorCode],0
 538 
   cmp	 [DevErrorCode],0
537 
  jne	.access_denied
 539 
  jne	.access_denied
538 
 
 540 
 
539 
.start_check:
 541 
.start_check:
540 
; ïðîâåðêà íà âøèâîñòü
 542 
; ïðîâåðêà íà âøèâîñòü
541 
	cmp  [CDDataBuf+1],dword 'CD00'
 543 
	cmp  [CDDataBuf+1],dword 'CD00'
542 
	jne  .access_denied
 544 
	jne  .access_denied
543 
	cmp  [CDDataBuf+5],byte '1'
 545 
	cmp  [CDDataBuf+5],byte '1'
544 
	jne  .access_denied
 546 
	jne  .access_denied
545 
; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ?
 547 
; ñåêòîð ÿâëÿåòñÿ òåðìèíàòîðîì íàáîð äåñêðèïòîðîâ òîìîâ?
546 
	cmp  [CDDataBuf],byte 0xff
 548 
	cmp  [CDDataBuf],byte 0xff
547 
	je  .access_denied
 549 
	je  .access_denied
548 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà?
 550 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì è óëó÷øåííûì äåñêðèïòîðîì òîìà?
549 
	cmp  [CDDataBuf],byte 0x2
 551 
	cmp  [CDDataBuf],byte 0x2
550 
	jne  .start
 552 
	jne  .start
551 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
 553 
; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
552 
	cmp  [CDDataBuf+6],byte 0x1
 554 
	cmp  [CDDataBuf+6],byte 0x1
553 
	jne  .start
 555 
	jne  .start
554 
 
 556 
 
555 
; ïàðàìåòðû root äèðåêòðîðèè
 557 
; ïàðàìåòðû root äèðåêòðîðèè
556 
	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
 558 
	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
557 
	mov  [CDSectorAddress],eax
 559 
	mov  [CDSectorAddress],eax
558 
	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
 560 
	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
559 
	cmp    byte [esi], 0
 561 
	cmp    byte [esi], 0
560 
	jnz    @f
 562 
	jnz    @f
561 
	mov   [cd_current_pointer_of_input],CDDataBuf+0x9c
 563 
	mov   [cd_current_pointer_of_input],CDDataBuf+0x9c
562 
	jmp   .done
 564 
	jmp   .done
563 
@@:
 565 
@@:
564 
; íà÷èíàåì ïîèñê
 566 
; íà÷èíàåì ïîèñê
565 
.mainloop:
 567 
.mainloop:
566 
	dec  dword [CDSectorAddress]
 568 
	dec  dword [CDSectorAddress]
567 
.read_to_buffer:
 569 
.read_to_buffer:
568 
	inc  dword [CDSectorAddress]
 570 
	inc  dword [CDSectorAddress]
569 
	mov  [CDDataBuf_pointer],CDDataBuf
 571 
	mov  [CDDataBuf_pointer],CDDataBuf
570 
	call ReadCDWRetr	 ; ÷èòàåì ñåêòîð äèðåêòîðèè
 572 
	call ReadCDWRetr	 ; ÷èòàåì ñåêòîð äèðåêòîðèè
571 
	cmp   [DevErrorCode],0
 573 
	cmp   [DevErrorCode],0
572 
	jne   .access_denied
 574 
	jne   .access_denied
573 
	push	ebp
 575 
	push	ebp
574 
	call	cd_find_name_in_buffer
 576 
	call	cd_find_name_in_buffer
575 
	pop	ebp
 577 
	pop	ebp
576 
	jnc	.found
 578 
	jnc	.found
577 
	sub  eax,2048
 579 
	sub  eax,2048
578 
; äèðåêòîðèÿ çàêîí÷èëàñü?
 580 
; äèðåêòîðèÿ çàêîí÷èëàñü?
579 
	cmp  eax,0
 581 
	cmp  eax,0
580 
	ja   .read_to_buffer
 582 
	ja   .read_to_buffer
581 
; íåò èñêîìîãî ýëåìåíòà öåïî÷êè
 583 
; íåò èñêîìîãî ýëåìåíòà öåïî÷êè
582 
.access_denied:
 584 
.access_denied:
583 
	pop  esi eax
 585 
	pop  esi eax
584 
	mov   [cd_appl_data],1
 586 
	mov   [cd_appl_data],1
585 
	stc
 587 
	stc
586 
	ret
 588 
	ret
587 
; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
 589 
; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
588 
  .found:
 590 
  .found:
589 
; êîíåö ïóòè ôàéëà
 591 
; êîíåö ïóòè ôàéëà
590 
	cmp    byte [esi-1], 0
 592 
	cmp    byte [esi-1], 0
591 
	jz    .done
 593 
	jz    .done
592 
  .nested:
 594 
  .nested:
593 
	mov    eax,[cd_current_pointer_of_input]
 595 
	mov    eax,[cd_current_pointer_of_input]
594 
	push	dword [eax+2]
 596 
	push	dword [eax+2]
595 
	pop	dword [CDSectorAddress]       ; íà÷àëî äèðåêòîðèè
 597 
	pop	dword [CDSectorAddress]       ; íà÷àëî äèðåêòîðèè
596 
	mov    eax,[eax+2+8]  ; ðàçìåð äèðåêòîðèè
 598 
	mov    eax,[eax+2+8]  ; ðàçìåð äèðåêòîðèè
597 
	jmp    .mainloop
 599 
	jmp    .mainloop
598 
; óêàçàòåëü ôàéëà íàéäåí
 600 
; óêàçàòåëü ôàéëà íàéäåí
599 
   .done:
 601 
   .done:
600 
	test	ebp, ebp
 602 
	test	ebp, ebp
601 
	jz	@f
 603 
	jz	@f
602 
	mov	esi, ebp
 604 
	mov	esi, ebp
603 
	xor	ebp, ebp
 605 
	xor	ebp, ebp
604 
	jmp	.nested
 606 
	jmp	.nested
605 
@@:
 607 
@@:
606 
	pop  esi eax
 608 
	pop  esi eax
607 
	mov   [cd_appl_data],1
 609 
	mov   [cd_appl_data],1
608 
	clc
 610 
	clc
609 
	ret
 611 
	ret
610 
 
 612 
 
611 
cd_find_name_in_buffer:
 613 
cd_find_name_in_buffer:
612 
	mov	[cd_current_pointer_of_input_2],CDDataBuf
 614 
	mov	[cd_current_pointer_of_input_2],CDDataBuf
613 
.start:
 615 
.start:
614 
	call	cd_get_name
 616 
	call	cd_get_name
615 
	jc	.not_found
 617 
	jc	.not_found
616 
	call	cd_compare_name
 618 
	call	cd_compare_name
617 
	jc	.start
 619 
	jc	.start
618 
.found:
 620 
.found:
619 
	clc
 621 
	clc
620 
	ret
 622 
	ret
621 
.not_found:
 623 
.not_found:
622 
	stc
 624 
	stc
623 
	ret
 625 
	ret
624 
 
 626 
 
625 
cd_get_name:
 627 
cd_get_name:
626 
	push eax
 628 
	push eax
627 
	mov   ebp,[cd_current_pointer_of_input_2]
 629 
	mov   ebp,[cd_current_pointer_of_input_2]
628 
	mov   [cd_current_pointer_of_input],ebp
 630 
	mov   [cd_current_pointer_of_input],ebp
629 
	mov   eax,[ebp]
 631 
	mov   eax,[ebp]
630 
	test   eax,eax   ; âõîäû çàêîí÷èëèñü?
 632 
	test   eax,eax   ; âõîäû çàêîí÷èëèñü?
631 
	jz    .next_sector
 633 
	jz    .next_sector
632 
	cmp   ebp,CDDataBuf+2048     ; áóôåð çàêîí÷èëñÿ?
 634 
	cmp   ebp,CDDataBuf+2048     ; áóôåð çàêîí÷èëñÿ?
633 
	jae   .next_sector
 635 
	jae   .next_sector
634 
	movzx eax, byte [ebp]
 636 
	movzx eax, byte [ebp]
635 
	add   [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà
 637 
	add   [cd_current_pointer_of_input_2],eax ; ñëåäóþùèé âõîä êàòàëîãà
636 
	add   ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè
 638 
	add   ebp,33 ; óêàçàòåëü óñòàíîâëåí íà íà÷àëî èìåíè
637 
	pop   eax
 639 
	pop   eax
638 
	clc
 640 
	clc
639 
	ret
 641 
	ret
640 
.next_sector:
 642 
.next_sector:
641 
	pop  eax
 643 
	pop  eax
642 
	stc
 644 
	stc
643 
	ret
 645 
	ret
644 
 
 646 
 
645 
cd_compare_name:
 647 
cd_compare_name:
646 
; compares ASCIIZ-names, case-insensitive (cp866 encoding)
 648 
; compares ASCIIZ-names, case-insensitive (cp866 encoding)
647 
; in: esi->name, ebp->name
 649 
; in: esi->name, ebp->name
648 
; out: if names match: ZF=1 and esi->next component of name
 650 
; out: if names match: ZF=1 and esi->next component of name
649 
;      else: ZF=0, esi is not changed
 651 
;      else: ZF=0, esi is not changed
650 
; destroys eax
 652 
; destroys eax
651 
    push    esi eax edi
 653 
    push    esi eax edi
652 
    mov     edi,ebp
 654 
    mov     edi,ebp
653 
.loop:
 655 
.loop:
654 
    cld
 656 
    cld
655 
    lodsb
 657 
    lodsb
656 
    push eax
 658 
    push eax
657 
    call char_todown
 659 
    call char_todown
658 
    call ansi2uni_char
 660 
    call ansi2uni_char
659 
    xchg ah,al
 661 
    xchg ah,al
660 
    scasw
 662 
    scasw
661 
    pop  eax
 663 
    pop  eax
662 
    je	  .coincides
 664 
    je	  .coincides
663 
    call char_toupper
 665 
    call char_toupper
664 
    call ansi2uni_char
 666 
    call ansi2uni_char
665 
    xchg ah,al
 667 
    xchg ah,al
666 
    sub  edi,2
 668 
    sub  edi,2
667 
    scasw
 669 
    scasw
668 
    jne   .name_not_coincide
 670 
    jne   .name_not_coincide
669 
.coincides:
 671 
.coincides:
670 
    cmp   [esi],byte '/'  ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
 672 
    cmp   [esi],byte '/'  ; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
671 
    je	 .done
 673 
    je	 .done
672 
    cmp   [esi],byte 0	; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
 674 
    cmp   [esi],byte 0	; ðàçäåëèòåëü ïóòè, êîíåö èìåíè òåêóùåãî ýëåìåíòà
673 
    je	 .done
 675 
    je	 .done
674 
    jmp   .loop
 676 
    jmp   .loop
675 
.name_not_coincide:
 677 
.name_not_coincide:
676 
    pop    edi eax esi
 678 
    pop    edi eax esi
677 
    stc
 679 
    stc
678 
    ret
 680 
    ret
679 
.done:
 681 
.done:
680 
; ïðîâåðêà êîíöà ôàéëà
 682 
; ïðîâåðêà êîíöà ôàéëà
681 
    cmp   [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
 683 
    cmp   [edi],word 3B00h ; ñåïàðàòîð êîíöà ôàéëà ';'
682 
    je	 .done_1
 684 
    je	 .done_1
683 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
 685 
; ïðîâåðêà äëÿ ôàéëîâ íå çàêàí÷èâàþùèõñÿ ñåïàðàòîðîì
684 
    movzx   eax,byte [ebp-33]
 686 
    movzx   eax,byte [ebp-33]
685 
    add   eax,ebp
 687 
    add   eax,ebp
686 
    sub   eax,34
 688 
    sub   eax,34
687 
    cmp   edi,eax
 689 
    cmp   edi,eax
688 
    je	 .done_1
 690 
    je	 .done_1
689 
; ïðîâåðêà êîíöà ïàïêè
 691 
; ïðîâåðêà êîíöà ïàïêè
690 
    movzx   eax,byte [ebp-1]
 692 
    movzx   eax,byte [ebp-1]
691 
    add   eax,ebp
 693 
    add   eax,ebp
692 
    cmp   edi,eax
 694 
    cmp   edi,eax
693 
    jne   .name_not_coincide
 695 
    jne   .name_not_coincide
694 
.done_1:
 696 
.done_1:
695 
    pop   edi eax
 697 
    pop   edi eax
696 
    add   esp,4
 698 
    add   esp,4
697 
    inc   esi
 699 
    inc   esi
698 
    clc
 700 
    clc
699 
    ret
 701 
    ret
700 
 
 702 
 
701 
char_todown:
 703 
char_todown:
702 
; convert character to uppercase, using cp866 encoding
 704 
; convert character to uppercase, using cp866 encoding
703 
; in: al=symbol
 705 
; in: al=symbol
704 
; out: al=converted symbol
 706 
; out: al=converted symbol
705 
	cmp	al, 'A'
 707 
	cmp	al, 'A'
706 
	jb	.ret
 708 
	jb	.ret
707 
	cmp	al, 'Z'
 709 
	cmp	al, 'Z'
708 
	jbe	.az
 710 
	jbe	.az
709 
	cmp	al, '€'
 711 
	cmp	al, '€'
710 
	jb	.ret
 712 
	jb	.ret
711 
	cmp	al, ''
 713 
	cmp	al, ''
712 
	jb	.rus1
 714 
	jb	.rus1
713 
	cmp	al, 'Ÿ'
 715 
	cmp	al, 'Ÿ'
714 
	ja	.ret
 716 
	ja	.ret
715 
; 0x90-0x9F -> 0xE0-0xEF
 717 
; 0x90-0x9F -> 0xE0-0xEF
716 
	add	al, 'à'-''
 718 
	add	al, 'à'-''
717 
.ret:
 719 
.ret:
718 
	ret
 720 
	ret
719 
.rus1:
 721 
.rus1:
720 
; 0x80-0x8F -> 0xA0-0xAF
 722 
; 0x80-0x8F -> 0xA0-0xAF
721 
.az:
 723 
.az:
722 
	add	al, 0x20
 724 
	add	al, 0x20
723 
	ret
 725 
	ret
724 
 
 726 
 
725 
uni2ansi_char:
 727 
uni2ansi_char:
726 
; convert UNICODE character in al to ANSI character in ax, using cp866 encoding
 728 
; convert UNICODE character in al to ANSI character in ax, using cp866 encoding
727 
; in: ax=UNICODE character
 729 
; in: ax=UNICODE character
728 
; out: al=converted ANSI character
 730 
; out: al=converted ANSI character
729 
	cmp	ax, 0x80
 731 
	cmp	ax, 0x80
730 
	jb	.ascii
 732 
	jb	.ascii
731 
	cmp	ax, 0x401
 733 
	cmp	ax, 0x401
732 
	jz	.yo1
 734 
	jz	.yo1
733 
	cmp	ax, 0x451
 735 
	cmp	ax, 0x451
734 
	jz	.yo2
 736 
	jz	.yo2
735 
	cmp	ax, 0x410
 737 
	cmp	ax, 0x410
736 
	jb	.unk
 738 
	jb	.unk
737 
	cmp	ax, 0x440
 739 
	cmp	ax, 0x440
738 
	jb	.rus1
 740 
	jb	.rus1
739 
	cmp	ax, 0x450
 741 
	cmp	ax, 0x450
740 
	jb	.rus2
 742 
	jb	.rus2
741 
.unk:
 743 
.unk:
742 
	mov	al, '_'
 744 
	mov	al, '_'
743 
	jmp	.doit
 745 
	jmp	.doit
744 
.yo1:
 746 
.yo1:
745 
	mov	al, 'ð'
 747 
	mov	al, 'ð'
746 
	jmp	.doit
 748 
	jmp	.doit
747 
.yo2:
 749 
.yo2:
748 
	mov	al, 'ñ'
 750 
	mov	al, 'ñ'
749 
	jmp	.doit
 751 
	jmp	.doit
750 
.rus1:
 752 
.rus1:
751 
; 0x410-0x43F -> 0x80-0xAF
 753 
; 0x410-0x43F -> 0x80-0xAF
752 
	add	al, 0x70
 754 
	add	al, 0x70
753 
	jmp	.doit
 755 
	jmp	.doit
754 
.rus2:
 756 
.rus2:
755 
; 0x440-0x44F -> 0xE0-0xEF
 757 
; 0x440-0x44F -> 0xE0-0xEF
756 
	add	al, 0xA0
 758 
	add	al, 0xA0
757 
.ascii:
 759 
.ascii:
758 
.doit:
 760 
.doit:
759 
	ret
 761 
	ret