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Rev 33 Rev 58
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;**************************************************
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;**************************************************
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;*      ÏÎÈÑÊ ÌÛØÈ ÏÎ ÏÎÑËÅÄÎÂÀÒÅËÜÍÛÌ ÏÎÐÒÀÌ     *
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;*      ÏÎÈÑÊ ÌÛØÈ ÏÎ ÏÎÑËÅÄÎÂÀÒÅËÜÍÛÌ ÏÎÐÒÀÌ     *
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;* Ïðîöåäóðà ïîäãîòàâëèâàåò ãëîáàëüíûå ïåðåìåííûå *
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;* Ïðîöåäóðà ïîäãîòàâëèâàåò ãëîáàëüíûå ïåðåìåííûå *
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;* COMPortNum è COMPortBaseAddr äëÿ ïîäïðîãðàììû  *
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;* COMPortNum è COMPortBaseAddr äëÿ ïîäïðîãðàììû  *
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;* óñòàíîâêè îáðàáîò÷èêà ïðåðûâàíèÿ               *
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;* óñòàíîâêè îáðàáîò÷èêà ïðåðûâàíèÿ               *
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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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Detect_COM_Mouse:
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Detect_COM_Mouse:
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        pusha
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        pusha
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        call   MSMouseSearch
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        call   MSMouseSearch
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        cmp    AL,'M'
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        cmp    AL,'M'
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        jne    @f
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        jne    @f
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        mov    [com1_mouse_detected],1
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        mov    [com1_mouse_detected],1
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        pusha
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- 
 
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        mov   eax,4
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        shl   eax,2
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        mov   [irq_owner+eax],byte 1
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        inc   dword [0x2d0000]
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        mov   edi,[0x2d0000]
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        shl   edi,4
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        mov   [0x2d0000+edi+0],dword 1
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        mov   [0x2d0000+edi+4],dword 0x3f0
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        mov   [0x2d0000+edi+8],dword 0x3ff
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- 
 
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        popa
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        mov    esi,boot_setmouse_type+22
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        mov    esi,boot_setmouse_type+22
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        call  boot_log
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        call  boot_log
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     @@:
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     @@:
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        sub    [COMPortBaseAddr],100h
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        sub    [COMPortBaseAddr],100h
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        call   MSMouseSearch
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        call   MSMouseSearch
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        cmp    AL,'M'
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        cmp    AL,'M'
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        jne    @f
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        jne    @f
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        mov    [com2_mouse_detected],1
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        mov    [com2_mouse_detected],1
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        pusha
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        mov   eax,3
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        shl   eax,2
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        mov   [irq_owner+eax],byte 1
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- 
 
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        inc   dword [0x2d0000]
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        mov   edi,[0x2d0000]
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        shl   edi,4
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        mov   [0x2d0000+edi+0],dword 1
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        mov   [0x2d0000+edi+4],dword 0x2f0
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        mov   [0x2d0000+edi+8],dword 0x2ff
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        popa
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        mov    esi,boot_setmouse_type+44
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        mov    esi,boot_setmouse_type+44
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        call  boot_log
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        call  boot_log
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     @@:
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     @@:
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        popa
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        popa
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        jmp     end_detecting_mouse
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        jmp     end_detecting_mouse
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MSMouseSearch:
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MSMouseSearch:
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        ; ÏÎÈÑÊ ÌÛØÈ ×ÅÐÅÇ COM-ÏÎÐÒÛ
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        ; ÏÎÈÑÊ ÌÛØÈ ×ÅÐÅÇ COM-ÏÎÐÒÛ
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MouseSearch:
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MouseSearch:
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        ; Óñòàíàâëèâàåì ñêîðîñòü
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        ; Óñòàíàâëèâàåì ñêîðîñòü
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        ; ïðèåìà/ïåðåäà÷è 1200 áîä
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        ; ïðèåìà/ïåðåäà÷è 1200 áîä
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        add     DX,3
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        add     DX,3
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        in      AL,DX
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        in      AL,DX
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        or      AL,80h  ;óñòàíîâèòü áèò DLAB
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        or      AL,80h  ;óñòàíîâèòü áèò DLAB
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        out     DX,AL
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        out     DX,AL
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        mov     AL,60h  ;1200 áîä
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        mov     AL,60h  ;1200 áîä
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        out     DX,AL
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        out     DX,AL
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        inc     DX
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        inc     DX
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        mov     AL,0
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        mov     AL,0
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        out     DX,AL
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        out     DX,AL
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        ; Óñòàíîâèòü äëèíó ñëîâà 7 áèò, 1 ñòîïîâûé áèò,
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        ; Óñòàíîâèòü äëèíó ñëîâà 7 áèò, 1 ñòîïîâûé áèò,
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        ; ÷åòíîñòü íå êîíòðîëèðîâàòü
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        ; ÷åòíîñòü íå êîíòðîëèðîâàòü
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        add     DX,3
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        add     DX,3
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        mov     AL,00000010b
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        mov     AL,00000010b
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        out     DX,AL
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        out     DX,AL
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        ; Çàïðåòèòü âñå ïðåðûâàíèÿ
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        ; Çàïðåòèòü âñå ïðåðûâàíèÿ
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        inc     DX
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        inc     DX
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        mov     AL,0
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        mov     AL,0
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        out     DX,AL
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        out     DX,AL
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; Ïðîâåðèòü, ÷òî óñòðîéñòâî ïîäêëþ÷åíî è ÿâëÿåòñÿ
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; Ïðîâåðèòü, ÷òî óñòðîéñòâî ïîäêëþ÷åíî è ÿâëÿåòñÿ
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; ìûøüþ òèïà MSMouse
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; ìûøüþ òèïà MSMouse
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        ; Îòêëþ÷èòü ïèòàíèå ìûøè è ïðåðûâàíèÿ
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        ; Îòêëþ÷èòü ïèòàíèå ìûøè è ïðåðûâàíèÿ
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        add     DX,4    ;ðåãèñòð óïðàâëåíèÿ ìîäåìîì
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        add     DX,4    ;ðåãèñòð óïðàâëåíèÿ ìîäåìîì
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        mov     AL,0    ;ñáðîñèòü DTR, RTS è OUT2
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        mov     AL,0    ;ñáðîñèòü DTR, RTS è OUT2
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        out     DX,AL
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        out     DX,AL
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        ; Îæèäàòü 5 "òèêîâ" (0,2 ñ)
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        ; Îæèäàòü 5 "òèêîâ" (0,2 ñ)
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        mov  ecx,0xffff
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        mov  ecx,0xffff
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dT_1:
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dT_1:
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        dec  ecx
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        dec  ecx
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        cmp ecx,0
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        cmp ecx,0
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        jne dT_1
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        jne dT_1
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        mov  ecx,0xffff
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        mov  ecx,0xffff
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        ; Âêëþ÷èòü ïèòàíèå ìûøè
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        ; Âêëþ÷èòü ïèòàíèå ìûøè
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        mov     AL,11b  ;óñòàíîâèòü DTR è RTS
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        mov     AL,11b  ;óñòàíîâèòü DTR è RTS
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        out     DX,AL
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        out     DX,AL
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        ; Î÷èñòèòü ðåãèñòð äàííûõ
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        ; Î÷èñòèòü ðåãèñòð äàííûõ
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        in      AL,DX
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        in      AL,DX
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; Öèêë îïðîñà ïîðòà
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; Öèêë îïðîñà ïîðòà
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WaitData:
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WaitData:
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        ; Îæèäàòü åùå 10 "òèêîâ"
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        ; Îæèäàòü åùå 10 "òèêîâ"
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         dec  ecx
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         dec  ecx
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         cmp  ecx,0
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         cmp  ecx,0
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         je     NoMouse
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         je     NoMouse
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        ; Ïðîâåðèòü íàëè÷èå èäåíòèôèêàöèîííîãî áàéòà
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        ; Ïðîâåðèòü íàëè÷èå èäåíòèôèêàöèîííîãî áàéòà
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        add     DX,5
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        add     DX,5
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        in      AL,DX
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        in      AL,DX
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        test    AL,1   ;Äàííûå ãîòîâû?
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        test    AL,1   ;Äàííûå ãîòîâû?
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        jz      WaitData
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        jz      WaitData
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        ; Ââåñòè äàííûå
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        ; Ââåñòè äàííûå
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        mov     DX,[COMPortBaseAddr]
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        mov     DX,[COMPortBaseAddr]
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        in      AL,DX
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        in      AL,DX
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NoMouse:
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NoMouse:
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        ret
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        ret
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iglobal
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iglobal
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COMPortBaseAddr dw 3F8h
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COMPortBaseAddr dw 3F8h
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;COMPortNum dw 0
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;COMPortNum dw 0
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endg
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endg
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iglobal
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iglobal
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boot_setmouse_type  db   'Detected - PS2  mouse',0
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boot_setmouse_type  db   'Detected - PS2  mouse',0
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                    db   'Detected - COM1 mouse',0
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                    db   'Detected - COM1 mouse',0
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                    db   'Detected - COM2 mouse',0
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                    db   'Detected - COM2 mouse',0
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endg
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endg
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end_detecting_mouse:
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end_detecting_mouse: