| /kernel/trunk/blkdev/cd_drv.inc |
|---|
| 20,6 → 20,7 |
| ; (â òèêàõ) |
| BSYWaitTime equ 1000 ;2 |
| NoTickWaitTime equ 0xfffff |
| ;************************************************* |
| ;* ÏÎËÍÎÅ ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ ÊÎÌÏÀÊÒ-ÄÈÑÊÀ * |
| ;* Ñ÷èòûâàþòñÿ äàííûå ïîëüçîâàòåëÿ, èíôîðìàöèÿ * |
| 848,6 → 849,31 |
| ret |
| ;************************************************* |
| ; ïðî÷èòàòü èíôîðìàöèþ èç TOC |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðåìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà; * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå. * |
| ;************************************************* |
| Read_TOC: |
| pusha |
| mov [CDDataBuf_pointer],CDDataBuf |
| ; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû |
| call clear_packet_buffer |
| ; Ñôîðìèðîâàòü ïàêåòíóþ êîìàíäó äëÿ ñ÷èòûâàíèÿ |
| ; ñåêòîðà äàííûõ |
| mov [PacketCommand],byte 0x43 |
| ; Çàäàòü ôîðìàò |
| mov [PacketCommand+2],byte 1 |
| ; Ðàçìåð âûäåëåííîé îáëàñòè |
| mov [PacketCommand+7],byte 0xFF |
| mov [PacketCommand+8],byte 0h |
| ; Ïîäàòü êîìàíäó |
| call SendPacketDatCommand |
| popa |
| ret |
| ;************************************************* |
| ;* ÎÏÐÅÄÅËÈÒÜ ÎÁÙÅÅ ÊÎËÈ×ÅÑÒÂÎ ÑÅÊÒÎÐΠÍÀ ÄÈÑÊÅ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðåìåííûå: * |
| /kernel/trunk/fs/iso9660.inc |
|---|
| 500,8 → 500,6 |
| ; else CF=0 and [cd_current_pointer_of_input] direntry |
| push eax esi |
| ; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ |
| mov [CDSectorAddress],dword 15 |
| mov [CDDataBuf_pointer],CDDataBuf |
| call WaitUnitReady |
| cmp [DevErrorCode],0 |
| 508,11 → 506,34 |
| jne .access_denied |
| call prevent_medium_removal |
| ; òåñòîâîå ÷òåíèå |
| mov [CDSectorAddress],dword 16 |
| call ReadCDWRetr ;_1 |
| cmp [DevErrorCode],0 |
| jne .access_denied |
| ; âû÷èñëåíèå ïîñëåäíåé ñåññèè |
| call WaitUnitReady |
| cmp [DevErrorCode],0 |
| jne .access_denied |
| call Read_TOC |
| mov ah,[CDDataBuf+4+4] |
| mov al,[CDDataBuf+4+5] |
| shl eax,16 |
| mov ah,[CDDataBuf+4+6] |
| mov al,[CDDataBuf+4+7] |
| add eax,15 |
| mov [CDSectorAddress],eax |
| ; mov [CDSectorAddress],dword 15 |
| mov [CDDataBuf_pointer],CDDataBuf |
| .start: |
| inc dword [CDSectorAddress] |
| call ReadCDWRetr ;_1 |
| cmp [DevErrorCode],0 |
| jne .access_denied |
| .start_check: |
| ; ïðîâåðêà íà âøèâîñòü |
| cmp [CDDataBuf+1],dword 'CD00' |
| jne .access_denied |
| 527,6 → 548,7 |
| ; ñåêòîð ÿâëÿåòñÿ äîïîëíèòåëüíûì äåñêðèïòîðîì òîìà? |
| cmp [CDDataBuf+6],byte 0x1 |
| jne .start |
| ; ïàðàìåòðû root äèðåêòðîðèè |
| mov eax,[CDDataBuf+0x9c+2] ; íà÷àëî root äèðåêòðîðèè |
| mov [CDSectorAddress],eax |