mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-01 21:17:05 +03:00
441fcf143a
* Corrected COM mouse detection. * Mouse cursor can now be at right and bottom screen sides. * Normal handling of "desktop background redraw" event. (Background redraw is faster now.) * Fixed error in stretch background function for VESA 2.0. git-svn-id: svn://kolibrios.org@473 a494cfbc-eb01-0410-851d-a64ba20cac60
142 lines
4.6 KiB
PHP
142 lines
4.6 KiB
PHP
$Revision$
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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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struc COM_MOUSE_DATA {
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; Íîìåð ïðèíèìàåìîãî îò ìûøè áàéòà
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.MouseByteNumber db ?
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; Òðåõáàéòîâàÿ ñòðóêòóðà äàííûõ, ïåðåäàâàåìàÿ ìûøüþ
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.FirstByte db ?
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.SecondByte db ?
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.ThirdByte db ?
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.timer_ticks_com dd ?
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}
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virtual at 0
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COM_MOUSE_DATA COM_MOUSE_DATA
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end virtual
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uglobal
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com1_mouse COM_MOUSE_DATA
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com2_mouse COM_MOUSE_DATA
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endg
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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_com:
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; in: esi -> COM_MOUSE_DATA struc, dx = base port (xF8h)
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add edx, 5 ; xFDh
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in al, dx
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test al, 1 ; Äàííûå ãîòîâû?
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jz .Error
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; Ââåñòè äàííûå
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sub edx, 5
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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 [esi+COM_MOUSE_DATA.MouseByteNumber], 2
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ja .Error
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jz .ThirdByte
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jp .SecondByte
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; Ñîõðàíèòü ïåðâûé áàéò äàííûõ
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.FirstByte:
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test al, 1000000b ; Ïåðâûé áàéò ïîñûëêè?
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jz .Error
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mov [esi+COM_MOUSE_DATA.FirstByte], al
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inc [esi+COM_MOUSE_DATA.MouseByteNumber]
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jmp .EndMouseInterrupt
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; Ñîõðàíèòü âòîðîé áàéò äàííûõ
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.SecondByte:
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test al, 1000000b
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jnz .Error
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mov [esi+COM_MOUSE_DATA.SecondByte], al
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inc [esi+COM_MOUSE_DATA.MouseByteNumber]
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jmp .EndMouseInterrupt
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; Ñîõðàíèòü òðåòèé áàéò äàííûõ
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.ThirdByte:
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test al, 1000000b
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jnz .Error
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mov [esi+COM_MOUSE_DATA.ThirdByte], al
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mov [esi+COM_MOUSE_DATA.MouseByteNumber], 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, [esi+COM_MOUSE_DATA.FirstByte]
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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, [esi+COM_MOUSE_DATA.FirstByte]
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shl al, 6
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or al, [esi+COM_MOUSE_DATA.SecondByte]
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call mouse_acceleration_com
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; mouse acceleration
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mov ecx, [timer_ticks]
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sub ecx, [esi+COM_MOUSE_DATA.timer_ticks_com]
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cmp ecx, [mouse_delay]
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ja @f
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imul ax, [mouse_speed_factor]
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@@:
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add ax, [MOUSE_X]
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; Êóðñîð íå äîëæåí âûõîäèòü çà ëåâóþ èëè ïðàâóþ ãðàíèöó ýêðàíà
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js .x1
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cmp ax, [ScreenWidth]
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jb .x2
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; Óñòàíîâèòü êîîðäèíàòó X ïî ïðàâîé ãðàíèöå
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mov ax, [ScreenWidth]
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jmp .x2
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.x1:
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; Óñòàíîâèòü êîîðäèíàòó X ïî ëåâîé ãðàíèöå
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xor eax, eax
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.x2:
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mov [MOUSE_X], ax
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; Ïðèáàâèòü ïåðåìåùåíèå ïî Y ê êîîðäèíàòå Y
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mov al, [esi+COM_MOUSE_DATA.FirstByte]
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and al, 00001100b
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shl al, 4
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or al, [esi+COM_MOUSE_DATA.ThirdByte]
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call mouse_acceleration_com
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add ax, [MOUSE_Y]
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; Êóðñîð íå äîëæåí âûõîäèòü çà âåðõíþþ èëè íèæíþþ ãðàíèöó ýêðàíà
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js .y1
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cmp ax, [ScreenHeight]
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jb .y2
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; Óñòàíîâèòü êîîðäèíàòó Y ïî íèæíåé ãðàíèöå
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mov ax, [ScreenHeight]
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jmp .y2
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.y1:
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; Óñòàíîâèòü êîîðäèíàòó Y ïî âåðõíåé ãðàíèöå
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xor eax, eax
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.y2:
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mov [MOUSE_Y], ax
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mov eax, [timer_ticks]
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mov [esi+COM_MOUSE_DATA.timer_ticks_com], eax
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jmp .EndMouseInterrupt
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.Error:
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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 [esi+COM_MOUSE_DATA.MouseByteNumber],0
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.EndMouseInterrupt:
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jmp ready_for_next_irq
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mouse_acceleration_com:
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cbw
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mov ecx, [timer_ticks]
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sub ecx, [esi+COM_MOUSE_DATA.timer_ticks_com]
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cmp ecx, [mouse_delay]
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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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