forked from KolibriOS/kolibrios
139 lines
4.5 KiB
PHP
139 lines
4.5 KiB
PHP
$Revision: 431 $
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Íîìåð ïðèíèìàåìîãî îò ìûøè áàéòà
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MouseByteNumber_1 DB 0
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; Òðåõáàéòîâàÿ ñòðóêòóðà äàííûõ, ïåðåäàâàåìàÿ ìûøüþ
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FirstByte_1 DB 0
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SecondByte_1 DB 0
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ThirdByte_1 DB 0
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timer_ticks_com_1 dd 0
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;***************************************
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;* ÍÎÂÛÉ ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÌÛØÈ *
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;***************************************
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check_mouse_data_com2:
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; cmp [com2_mouse_detected],0
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; je @@EndMouseInterrupt_1
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; Ïðîâåðèòü íàëè÷èå äàííûõ
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mov DX,2F8h ;[COMPortBaseAddr]
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add DX,5 ;xFDh
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in AL,DX
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test AL,1 ;Äàííûå ãîòîâû?
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jz @@Error_1
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; Ââåñòè äàííûå
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mov DX,2F8h ;[COMPortBaseAddr] ;xF8h
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in AL,DX
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; Ñáðîñèòü ñòàðøèé íåçíà÷àùèé áèò
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and AL,01111111b
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; Îïðåäåëèòü ïîðÿäêîâûé íîìåð ïðèíèìàåìîãî áàéòà
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cmp [MouseByteNumber_1],0
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je @@FirstByte_1
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cmp [MouseByteNumber_1],1
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je @@SecondByte_1
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cmp [MouseByteNumber_1],2
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je @@ThirdByte_1
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jmp @@Error_1
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; Ñîõðàíèòü ïåðâûé áàéò äàííûõ
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@@FirstByte_1:
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test AL,1000000b ;Ïåðâûé áàéò ïîñûëêè?
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jz @@Error_1
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mov [FirstByte_1],AL
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inc [MouseByteNumber_1] ;óâåëè÷èòü ñ÷åò÷èê
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jmp @@EndMouseInterrupt_1
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; Ñîõðàíèòü âòîðîé áàéò äàííûõ
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@@SecondByte_1:
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test AL,1000000b
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jnz @@Error_1
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mov [SecondByte_1],AL
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inc [MouseByteNumber_1] ;óâåëè÷èòü ñ÷åò÷èê
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jmp @@EndMouseInterrupt_1
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; Ñîõðàíèòü òðåòèé áàéò äàííûõ
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@@ThirdByte_1:
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test AL,1000000b
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jnz @@Error_1
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mov [ThirdByte_1],AL ;óâåëè÷èòü ñ÷åò÷èê
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mov [MouseByteNumber_1],0
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; (Ïàêåò äàííûõ îò ìûøè ïðèíÿò ïîëíîñòüþ).
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; Çàïèñàòü íîâîå çíà÷åíèå ñîñòîÿíèÿ êíîïîê ìûøè
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mov al,[FirstByte_1] ;[0xfb01]
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mov ah,al
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shr al,3
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and al,2
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shr ah,5
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and ah,1
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add al,ah
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mov [BTN_DOWN],al
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mov [mouse_active],1
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; Ïðèáàâèòü ïåðåìåùåíèå ïî X ê êîîðäèíàòå X
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mov AL,[FirstByte_1]
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shl AL,6
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or AL,[SecondByte_1]
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cbw
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call mouse_acceleration_com2
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add AX,[MOUSE_X] ;[XCoordinate]
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; Êóðñîð íå äîëæåí âûõîäèòü çà ëåâóþ èëè
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; ïðàâóþ ãðàíèöó ýêðàíà
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js @@X1_1
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cmp AX,[ScreenWidth] ;ScreenLength
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jb @@X2_1
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; Óñòàíîâèòü êîîðäèíàòó X ïî ïðàâîé ãðàíèöå
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mov AX,[ScreenWidth] ;ScreenLength-1
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dec ax
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jmp @@X2_1
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@@X1_1:
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; Óñòàíîâèòü êîîðäèíàòó X ïî ëåâîé ãðàíèöå
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xor AX,AX
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@@X2_1:
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mov [MOUSE_X],AX ;[XCoordinate]
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; Ïðèáàâèòü ïåðåìåùåíèå ïî Y ê êîîðäèíàòå Y
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mov AL,[FirstByte_1]
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and AL,00001100b
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shl AL,4
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or AL,[ThirdByte_1]
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cbw
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call mouse_acceleration_com2
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add AX,[MOUSE_Y] ;[YCoordinate]
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; Êóðñîð íå äîëæåí âûõîäèòü çà âåðõíþþ èëè
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; íèæíþþ ãðàíèöó ýêðàíà
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js @@Y1_1
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cmp AX,[ScreenHeight] ;ScreenHeigth
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jb @@Y2_1
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; Óñòàíîâèòü êîîðäèíàòó X ïî íèæíåé ãðàíèöå
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mov AX,[ScreenHeight] ;ScreenHeigth-1
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dec ax
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jmp @@Y2_1
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@@Y1_1:
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; Óñòàíîâèòü êîîðäèíàòó X ïî âåðõíåé ãðàíèöå
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xor AX,AX
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@@Y2_1:
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mov [MOUSE_Y],AX ;[YCoordinate]
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mov eax,[timer_ticks]
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mov [timer_ticks_com_1],eax
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jmp @@EndMouseInterrupt_1
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@@Error_1:
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; Ïðîèçîøåë ñáîé â ïîðÿäêå ïåðåäà÷è èíôîðìàöèè îò
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; ìûøè, îáíóëèòü ñ÷åò÷èê áàéòîâ ïàêåòà äàííûõ
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mov [MouseByteNumber_1],0
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@@EndMouseInterrupt_1:
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call ready_for_next_irq
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ret
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mouse_acceleration_com2:
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push eax
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mov eax,[timer_ticks]
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sub eax,[timer_ticks_com_1]
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cmp eax,[mouse_delay]
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pop eax
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ja @f
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imul ax,[mouse_speed_factor]
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@@:
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ret
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