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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; 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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$Revision: 628 $
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$Revision: 758 $
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; in: esi+ebp -> name
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; in: esi+ebp -> name
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; out: CF=1 - file not found
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; out: CF=1 - file not found
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;      else CF=0 and [cd_current_pointer_of_input] direntry
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; else CF=0 and [cd_current_pointer_of_input] direntry
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	push eax esi
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	push eax esi
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; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
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; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
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	mov  [CDSectorAddress],dword 15
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       mov  [CDDataBuf_pointer],CDDataBuf
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       call  WaitUnitReady
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  call	WaitUnitReady
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       cmp   [DevErrorCode],0
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  cmp	[DevErrorCode],0
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       jne   .access_denied
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  jne	.access_denied
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  call	prevent_medium_removal
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; òåñòîâîå ÷òåíèå
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  mov  [CDSectorAddress],dword 16
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  call	ReadCDWRetr    ;_1
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   cmp	 [DevErrorCode],0
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  jne	.access_denied
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; âû÷èñëåíèå ïîñëåäíåé ñåññèè
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  call WaitUnitReady
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  cmp	[DevErrorCode],0
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  jne	.access_denied
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  call Read_TOC
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  mov  ah,[CDDataBuf+4+4]
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  mov  al,[CDDataBuf+4+5]
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  shl  eax,16
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  mov  ah,[CDDataBuf+4+6]
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  mov  al,[CDDataBuf+4+7]
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  add  eax,15
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  mov  [CDSectorAddress],eax
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;  mov  [CDSectorAddress],dword 15
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  mov  [CDDataBuf_pointer],CDDataBuf
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       call  prevent_medium_removal
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.start:
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.start:
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	inc  dword [CDSectorAddress]
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	inc  dword [CDSectorAddress]
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       call  ReadCDWRetr    ;_1
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  call	ReadCDWRetr    ;_1
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   cmp	 [DevErrorCode],0
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  jne	.access_denied
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       cmp   [DevErrorCode],0
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       jne   .access_denied
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.start_check:
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; ïðîâåðêà íà âøèâîñòü
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; ïðîâåðêà íà âøèâîñòü
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	cmp  [CDDataBuf+1],dword 'CD00'
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	cmp  [CDDataBuf+1],dword 'CD00'
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	jne  .access_denied
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	jne  .access_denied
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	cmp  [CDDataBuf],byte 0x2
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	cmp  [CDDataBuf],byte 0x2
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	jne  .start
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	jne  .start
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; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
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; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà?
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	cmp  [CDDataBuf+6],byte 0x1
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	cmp  [CDDataBuf+6],byte 0x1
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	jne  .start
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	jne  .start
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; ïàðàìåòðû root äèðåêòðîðèè
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; ïàðàìåòðû root äèðåêòðîðèè
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	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
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	mov  eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè
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	mov  [CDSectorAddress],eax
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	mov  [CDSectorAddress],eax
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	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
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	mov  eax,[CDDataBuf+0x9c+10] ; ðàçìåð root äèðåêòðîðèè
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	cmp    byte [esi], 0
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	cmp    byte [esi], 0