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Rev 19 Rev 75
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; òðåõäþéìîâîãî ãèáêîãî äèñêà îáúåìîì 1,44 Ìá)
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; òðåõäþéìîâîãî ãèáêîãî äèñêà îáúåìîì 1,44 Ìá)
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MAX_Track   equ 79
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MAX_Track   equ 79
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MAX_Head    equ  1
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MAX_Head    equ  1
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MAX_Sector  equ 18
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MAX_Sector  equ 18
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uglobal
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; Ñ÷åò÷èê òèêîâ òàéìåðà
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; Ñ÷åò÷èê òèêîâ òàéìåðà
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TickCounter dd ?
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TickCounter dd ?
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; Êîä çàâåðøåíèÿ îïåðàöèè ñ êîíòðîëëåðîì ÍÃÌÄ
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; Êîä çàâåðøåíèÿ îïåðàöèè ñ êîíòðîëëåðîì ÍÃÌÄ
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FDC_Status  DB ?
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FDC_Status  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 ÷òåíèÿ
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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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; Îáëàñòü ïàìÿòè äëÿ õðàíåíèÿ ïðî÷èòàííîãî ñåêòîðà
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; Îáëàñòü ïàìÿòè äëÿ õðàíåíèÿ ïðî÷èòàííîãî ñåêòîðà
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;FDD_DataBuffer:  times 512 db 0   ;DB 512 DUP (?)
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;FDD_DataBuffer:  times 512 db 0   ;DB 512 DUP (?)
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fdd_motor_status db 0
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fdd_motor_status db 0
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timer_fdd_motor  dd 0
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timer_fdd_motor  dd 0
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;* Ïàðàìåòðû:                      *
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;* Ïàðàìåòðû:                      *
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;* AL - âûâîäèìûé áàéò.            *
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;* AL - âûâîäèìûé áàéò.            *
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;***********************************
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;***********************************
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FDCDataOutput:
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FDCDataOutput:
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;        pusha
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;        pusha
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        push ax cx dx
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        push eax ecx edx
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        mov     AH,AL     ;çàïîìíèòü áàéò â AH
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        mov     AH,AL     ;çàïîìíèòü áàéò â AH
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; Ñáðîñèòü ïåðåìåííóþ ñîñòîÿíèÿ êîíòðîëëåðà
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; Ñáðîñèòü ïåðåìåííóþ ñîñòîÿíèÿ êîíòðîëëåðà
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        mov     [FDC_Status],FDC_Normal
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        mov     [FDC_Status],FDC_Normal
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; Ïðîâåðèòü ãîòîâíîñòü êîíòðîëëåðà ê ïðèåìó äàííûõ
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; Ïðîâåðèòü ãîòîâíîñòü êîíòðîëëåðà ê ïðèåìó äàííûõ
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        mov     DX,3F4h   ;(ïîðò ñîñòîÿíèÿ FDC)
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        mov     DX,3F4h   ;(ïîðò ñîñòîÿíèÿ FDC)
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        xor     CX,CX     ;óñòàíîâèòü ñ÷åò÷èê òàéì-àóòà
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        mov     ecx, 0x10000 ;óñòàíîâèòü ñ÷åò÷èê òàéì-àóòà
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@@TestRS:
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@@TestRS:
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        in      AL,DX     ;ïðî÷èòàòü ðåãèñòð RS
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        in      AL,DX     ;ïðî÷èòàòü ðåãèñòð RS
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        and     AL,0C0h   ;âûäåëèòü ðàçðÿäû 6 è 7
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        and     AL,0C0h   ;âûäåëèòü ðàçðÿäû 6 è 7
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        cmp     AL,80h    ;ïðîâåðèòü ðàçðÿäû 6 è 7
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        cmp     AL,80h    ;ïðîâåðèòü ðàçðÿäû 6 è 7
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        je      @@OutByteToFDC
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        je      @@OutByteToFDC
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        inc     DX
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        inc     DX
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        mov     AL,AH
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        mov     AL,AH
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        out     DX,AL
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        out     DX,AL
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@@End_5:
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@@End_5:
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;        popa
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;        popa
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        pop dx cx ax
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        pop edx ecx eax
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        ret
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        ret
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;******************************************
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;******************************************
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;*   ÏÐÎ×ÈÒÀÒÜ ÁÀÉÒ ÈÇ ÏÎÐÒÀ ÄÀÍÍÛÕ FDC   *
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;*   ÏÐÎ×ÈÒÀÒÜ ÁÀÉÒ ÈÇ ÏÎÐÒÀ ÄÀÍÍÛÕ FDC   *