| 16,7 → 16,6 |
|---|
| ; äàííûõ èç ñåêòîðà êîìïàêò-äèñêà |
| ; Àâòîð òåêñòà ïðîãðàììû Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷. |
| |
| |
| ; Ìàêñèìàëüíîå êîëè÷åñòâî ïîâòîðåíèé îïåðàöèè ÷òåíèÿ |
| MaxRetr equ 10 |
| ; Ïðåäåëüíîå âðåìÿ îæèäàíèÿ ãîòîâíîñòè ê ïðèåìó êîìàíäû |
| 68,8 → 67,72 |
|---|
| ;* Ìíîãîêðàòíîå ïîâòîðåíèå ÷òåíèÿ ïðè ñáîÿõ * |
| ;******************************************** |
| ReadCDWRetr: |
| ;----------------------------------------------------------- |
| ; input : eax = block to read |
| ; ebx = destination |
| ;----------------------------------------------------------- |
| pushad |
| mov eax,[CDSectorAddress] |
| mov ebx,[CDDataBuf_pointer] |
| call cd_calculate_cache |
| add esi,8 |
| mov edi,1 |
| .hdreadcache: |
| ; push esi |
| ; mov esi,[esi] |
| ; call test_mario79 |
| ; mov esi,eax |
| ; call test_mario79 |
| ; pop esi |
| |
| ; cmp dword [esi+4],0 ; empty |
| ; je .nohdcache |
| cmp [esi],eax ; correct sector |
| je .yeshdcache |
| .nohdcache: |
| add esi,8 |
| inc edi |
| dec ecx |
| jnz .hdreadcache |
| call find_empty_slot_CD_cache ; ret in edi |
| |
| push edi |
| push eax |
| call cd_calculate_cache_2 |
| shl edi,11 |
| add edi,eax |
| mov [CDDataBuf_pointer],edi |
| pop eax |
| pop edi |
| |
| call ReadCDWRetr_1 |
| mov [CDDataBuf_pointer],ebx |
| call cd_calculate_cache_1 |
| lea esi,[edi*8+esi] |
| ; push esi |
| ; call test_mario79 |
| ; mov esi,eax |
| ; call test_mario79 |
| ; pop esi |
| mov [esi],eax ; sector number |
| ; mov dword [esi+4],1 ; hd read - mark as same as in hd |
| .yeshdcache: |
| mov esi,edi |
| shl esi,11 ;9 |
| push eax |
| call cd_calculate_cache_2 |
| add esi,eax |
| pop eax |
| mov edi,ebx ;[CDDataBuf_pointer] |
| mov ecx,512 ;/4 |
| cld |
| rep movsd ; move data |
| popad |
| ret |
| |
| ReadCDWRetr_1: |
| pushad |
| |
| ; Öèêë, ïîêà êîìàíäà íå âûïîëíåíà óñïåøíî èëè íå |
| ; èñ÷åðïàíî êîëè÷åñòâî ïîïûòîê |
| mov ECX,MaxRetr |
| 517,8 → 580,47 |
|---|
| popa |
| ret |
| |
| ;************************************************* |
| ;* ÇÀÏÐÅÒÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà; * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå. * |
| ;************************************************* |
| prevent_medium_removal: |
| pusha |
| ; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû |
| call clear_packet_buffer |
| ; Çàäàòü êîä êîìàíäû |
| mov [PacketCommand],byte 0x1E |
| ; Çàäàòü êîä çàïðåòà |
| mov [PacketCommand+4],byte 11b |
| ; Ïîäàòü êîìàíäó |
| call SendPacketNoDatCommand |
| popa |
| ret |
| |
| ;************************************************* |
| ;* ÐÀÇÐÅØÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà; * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå. * |
| ;************************************************* |
| allow_medium_removal: |
| pusha |
| ; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû |
| call clear_packet_buffer |
| ; Çàäàòü êîä êîìàíäû |
| mov [PacketCommand],byte 0x1E |
| ; Çàäàòü êîä çàïðåòà |
| mov [PacketCommand+4],byte 00b |
| ; Ïîäàòü êîìàíäó |
| call SendPacketNoDatCommand |
| popa |
| ret |
| |
| ;************************************************* |
| ;* ÇÀÃÐÓÇÈÒÜ ÍÎÑÈÒÅËÜ Â ÄÈÑÊÎÂÎÄ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðìåííûå: * |
| 546,7 → 648,7 |
|---|
| ;* ChannelNumber - íîìåð êàíàëà; * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå. * |
| ;************************************************* |
| UnloadMedium: |
| EjectMedium: |
| pusha |
| ; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû |
| call clear_packet_buffer |