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Rev 129 Rev 384
Line 3... Line 3...
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;**********************************************************
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;**********************************************************
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; Àâòîð èñõîäíîãî òåêñòà  Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
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; Àâòîð èñõîäíîãî òåêñòà  Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
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; Àäàïòàöèÿ è äîðàáîòêà Mario79
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; Àäàïòàöèÿ è äîðàáîòêà Mario79
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give_back_application_data:  ; ïåðåñëàòü ïðèëîæåíèþ
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give_back_application_data:  ; ïåðåñëàòü ïðèëîæåíèþ
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     mov edi,[0x3010]
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     mov edi,[TASK_BASE]
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     mov edi,[edi+TASKDATA.mem_start]
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     mov edi,[edi+TASKDATA.mem_start]
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     add edi,ecx
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     add edi,ecx
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give_back_application_data_1:
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give_back_application_data_1:
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     mov esi,0xD000   ;FDD_DataBuffer  ;0x40000
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     mov esi,FDD_BUFF   ;FDD_DataBuffer  ;0x40000
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     xor ecx,ecx
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     xor ecx,ecx
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     mov cx,128
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     mov cx,128
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     cld
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     cld
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     rep movsd
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     rep movsd
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     ret
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     ret
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take_data_from_application:   ; âçÿòü èç ïðèëîæåíèÿ
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take_data_from_application:   ; âçÿòü èç ïðèëîæåíè
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     mov esi,[0x3010]
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     mov esi,[TASK_BASE]
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     mov esi,[esi+TASKDATA.mem_start]
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     mov esi,[esi+TASKDATA.mem_start]
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     add esi,ecx
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     add esi,ecx
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take_data_from_application_1:
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take_data_from_application_1:
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     mov edi,0xD000   ;FDD_DataBuffer  ;0x40000
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     mov edi,FDD_BUFF   ;FDD_DataBuffer  ;0x40000
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     xor ecx,ecx
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     xor ecx,ecx
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     mov cx,128
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     mov cx,128
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     cld
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     cld
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FDC_ST2 DB ?
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FDC_ST2 DB ?
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FDC_C   DB ?
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FDC_C   DB ?
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FDC_H   DB ?
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FDC_H   DB ?
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FDC_R   DB ?
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FDC_R   DB ?
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FDC_N   DB ?
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FDC_N   DB ?
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; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
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; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíè
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ReadRepCounter  DB ?
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ReadRepCounter  DB ?
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; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
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; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
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RecalRepCounter DB ?
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RecalRepCounter DB ?
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endg
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endg
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; Îáëàñòü ïàìÿòè äëÿ õðàíåíèÿ ïðî÷èòàííîãî ñåêòîðà
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; Îáëàñòü ïàìÿòè äëÿ õðàíåíèÿ ïðî÷èòàííîãî ñåêòîðà
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 172 
 
173 
;*********************************************
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;*********************************************
174 
;* ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÊÎÍÒÐÎËËÅÐÀ ÍÃÌÄ *
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;* ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÊÎÍÒÐÎËËÅÐÀ ÍÃÌÄ *
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;*********************************************
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;*********************************************
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FDCInterrupt:
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FDCInterrupt:
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; Óñòàíîâèòü ôëàã ïðåðûâàíèÿ
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; Óñòàíîâèòü ôëàã ïðåðûâàíè
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        mov     [FDD_IntFlag],1
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        mov     [FDD_IntFlag],1
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        ret
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        ret
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;*******************************************
 192 
;*******************************************
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WaitFDCInterrupt:
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WaitFDCInterrupt:
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        pusha
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        pusha
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; Ñáðîñèòü áàéò ñîñòîÿíèÿ îïåðàöèè
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; Ñáðîñèòü áàéò ñîñòîÿíèÿ îïåðàöèè
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        mov     [FDC_Status],FDC_Normal
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        mov     [FDC_Status],FDC_Normal
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; Ñáðîñèòü ôëàã ïðåðûâàíèÿ
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; Ñáðîñèòü ôëàã ïðåðûâàíè
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        mov     [FDD_IntFlag],0
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        mov     [FDD_IntFlag],0
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; Îáíóëèòü ñ÷åò÷èê òèêîâ
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; Îáíóëèòü ñ÷åò÷èê òèêîâ
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        mov     eax,[timer_ticks]
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        mov     eax,[timer_ticks]
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        mov     [TickCounter],eax
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        mov     [TickCounter],eax
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; Îæèäàòü óñòàíîâêè ôëàãà ïðåðûâàíèÿ ÍÃÌÄ
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; Îæèäàòü óñòàíîâêè ôëàãà ïðåðûâàíèÿ ÍÃÌÄ
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        pusha
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        pusha
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        call    save_timer_fdd_motor
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        call    save_timer_fdd_motor
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; Ïîäàòü êîìàíäó "Ïîèñê"
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; Ïîäàòü êîìàíäó "Ïîèñê"
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        mov     AL,0Fh
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        mov     AL,0Fh
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        call    FDCDataOutput
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        call    FDCDataOutput
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        ; Ïåðåäàòü áàéò íîìåðà ãîëîâêè/íàêîïèòåëÿ
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        ; Ïåðåäàòü áàéò íîìåðà ãîëîâêè/íàêîïèòåë
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        mov     AL,[FDD_Head]
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        mov     AL,[FDD_Head]
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        shl     AL,2
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        shl     AL,2
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        call    FDCDataOutput
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        call    FDCDataOutput
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        ; Ïåðåäàòü áàéò íîìåðà äîðîæêè
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        ; Ïåðåäàòü áàéò íîìåðà äîðîæêè
360 
        mov     AL,[FDD_Track]
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        mov     AL,[FDD_Track]
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ReadSectWithRetr:
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ReadSectWithRetr:
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        pusha
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        pusha
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; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
 467 
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
468 
        mov     [RecalRepCounter],0
 468 
        mov     [RecalRepCounter],0
469 
@@TryAgain:
 469 
@@TryAgain:
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; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
 470 
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíè
471 
        mov     [ReadRepCounter],0
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        mov     [ReadRepCounter],0
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@@ReadSector_1:
 472 
@@ReadSector_1:
473 
        call    ReadSector
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        call    ReadSector
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        cmp     [FDC_Status],0
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        cmp     [FDC_Status],0
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        je      @@Exit_2
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        je      @@Exit_2
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        cmp     [FDC_Status],1
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        cmp     [FDC_Status],1
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        je      @@Err_3
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        je      @@Err_3
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        ; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíèÿ
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        ; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíè
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        inc     [ReadRepCounter]
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        inc     [ReadRepCounter]
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        cmp     [ReadRepCounter],3
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        cmp     [ReadRepCounter],3
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        jb      @@ReadSector_1
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        jb      @@ReadSector_1
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        ; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
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        ; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
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        call    RecalibrateFDD
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        call    RecalibrateFDD
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WriteSectWithRetr:
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WriteSectWithRetr:
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        pusha
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        pusha
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; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
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; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
566 
        mov     [RecalRepCounter],0
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        mov     [RecalRepCounter],0
567 
@@TryAgain_1:
 567 
@@TryAgain_1:
568 
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
 568 
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíè
569 
        mov     [ReadRepCounter],0
 569 
        mov     [ReadRepCounter],0
570 
@@WriteSector_1:
 570 
@@WriteSector_1:
571 
        call    WriteSector
 571 
        call    WriteSector
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        cmp     [FDC_Status],0
 572 
        cmp     [FDC_Status],0
573 
        je      @@Exit_4
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        je      @@Exit_4
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        cmp     [FDC_Status],1
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        cmp     [FDC_Status],1
575 
        je      @@Err_4
 575 
        je      @@Err_4
576 
        ; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíèÿ
 576 
        ; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíè
577 
        inc     [ReadRepCounter]
 577 
        inc     [ReadRepCounter]
578 
        cmp     [ReadRepCounter],3
 578 
        cmp     [ReadRepCounter],3
579 
        jb      @@WriteSector_1
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        jb      @@WriteSector_1
580 
        ; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
 580 
        ; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
581 
        call    RecalibrateFDD
 581 
        call    RecalibrateFDD