forked from KolibriOS/kolibrios
179 lines
5.7 KiB
PHP
179 lines
5.7 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_2 DB 0
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; Òðåõáàéòîâàÿ ñòðóêòóðà äàííûõ, ïåðåäàâàåìàÿ ìûøüþ
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FirstByte_2 DB 0
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SecondByte_2 DB 0
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ThirdByte_2 DB 0
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timer_ticks_ps2 dd 0
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;**************************************
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;* ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÌÛØÈ PS/2 *
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;**************************************
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check_mouse_data_ps2:
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cmp [ps2_mouse_detected],0
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je @@EndMouseInterrupt_2
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call Wait8042BufferEmpty ;î÷èñòêà áóôåðà
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in AL,0x60 ;ïîëó÷èòü ñêýí-êîä
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; Âûáèðàòü ïîðÿäêîâûé íîìåð ïðèíèìàåìîãî áàéòà
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cmp [MouseByteNumber_2],0
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je @@SaveFirstByte
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cmp [MouseByteNumber_2],1
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je @@SaveSecondByte
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cmp [MouseByteNumber_2],2
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je @@SaveThirdByte
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jmp @@Error_2
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; Çàïèñàòü ïåðâûé áàéò ïîñûëêè
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@@SaveFirstByte:
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test AL,1000b ;ïåðâûé áàéò ïîñûëêè?
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jz @@Error_2 ;ñáîé ñèíõðîíèçàöèè
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mov [FirstByte_2],AL
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inc [MouseByteNumber_2]
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jmp @@EndMouseInterrupt_2
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; Çàïèñàòü âòîðîé áàéò ïîñûëêè
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@@SaveSecondByte:
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mov [SecondByte_2],AL
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inc [MouseByteNumber_2]
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jmp @@EndMouseInterrupt_2
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; Çàïèñàòü òðåòèé áàéò ïîñûëêè
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@@SaveThirdByte:
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mov [ThirdByte_2],AL
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mov [MouseByteNumber_2],0
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; (ïàêåò äàííûõ îò ìûøè ïðèíÿò ïîëíîñòüþ)
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; Çàïèñàòü íîâîå çíà÷åíèå áàéòà ñîñòîÿíèÿ êíîïîê
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mov al,[FirstByte_2] ;[0xfb01]
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and eax,3
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mov [BTN_DOWN],al
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mov [mouse_active],1
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; Âû÷èñëèòü íîâóþ X-êîîðäèíàòó êóðñîðà
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; Çàíåñòè â AX ïåðåìåùåíèå ïî X
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mov AH,0 ;äóáëèðóåì çíàê âî âñå ðàçðÿäû AH
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mov AL,[FirstByte_2]
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test AL,10000b
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jz @@M0
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mov AH,0FFh
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; Çàíåñòè â AL ìëàäøèé áàéò
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@@M0:
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mov AL,[SecondByte_2]
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call mouse_acceleration_ps2
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; Âû÷èñëèòü íîâîå çíà÷åíèå êîîðäèíàòû
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; êóðñîðà ïî X
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add AX,[MOUSE_X] ;[XCoordinate]
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cmp AX,0
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jge @@M1
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mov AX,0
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jmp @@M2
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@@M1:
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cmp AX,[ScreenWidth] ;ScreenLength
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jl @@M2
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mov AX,[ScreenWidth] ;ScreenLength-1
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dec ax
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@@M2:
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mov [MOUSE_X],AX ;[XCoordinate]
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; Âû÷èñëÿåì íîâóþ Y-êîîðäèíàòó êóðñîðà
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; Çàíåñòè â AX ïåðåìåùåíèå ïî Y
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mov AH,0 ;äóáëèðóåì çíàê âî âñå ðàçðÿäû AH
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mov AL,[FirstByte_2]
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test AL,100000b
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jz @@M3
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mov AH,0FFh
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; Çàíåñòè â AL ìëàäøèé áàéò
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@@M3:
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mov AL,[ThirdByte_2]
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call mouse_acceleration_ps2
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; Âû÷èñëèòü íîâîå çíà÷åíèå êîîðäèíàòû êóðñîðà
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; ïî Y (Y-êîîðäèíàòà ìûøè PS/2 íàïðàâëåíà
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; ïðîòèâîïîëîæíî ýêðàííîé)
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neg AX
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add AX,[MOUSE_Y] ;[YCoordinate]
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cmp AX,0
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jge @@M4
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mov AX,0
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jmp @@M5
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@@M4:
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cmp AX,[ScreenHeight] ;ScreenHeigth
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jl @@M5
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mov AX,[ScreenHeight] ;ScreenHeigth-1
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dec ax
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@@M5:
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mov [MOUSE_Y],AX ;[YCoordinate]
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; Ïîêàçàòü êóðñîð â íîâîé ïîçèöèè
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mov eax,[timer_ticks]
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mov [timer_ticks_ps2],eax
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jmp @@EndMouseInterrupt_2
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; Îáíàðóæåí ñáîé â ïîðÿäêå ïåðåäà÷è èíôîðìàöèè îò ìûøè
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@@Error_2:
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mov [MouseByteNumber_2],0
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; Íîðìàëüíîå çàâåðøåíèå ïðåðûâàíè
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@@EndMouseInterrupt_2:
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call ready_for_next_irq_1
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ret
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mouse_acceleration_ps2:
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push eax
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mov eax,[timer_ticks]
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sub eax,[timer_ticks_ps2]
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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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;***********************************************
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;* ÎÆÈÄÀÍÈÅ Î×ÈÑÒÊÈ ÂÕÎÄÍÎÃÎ ÁÓÔÅÐÀ I8042 *
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;* Ïðè âûõîäå èç ïðîöåäóðû: *
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;* ôëàã ZF óñòàíîâëåí - íîðìàëüíîå çàâåðøåíèå, *
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;* ôëàã ZF ñáðîøåí - îøèáêà òàéì-àóòà. *
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;***********************************************
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Wait8042BufferEmpty:
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; push CX
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; mov CX,0FFFFh ;çàäàòü ÷èñëî öèêëîâ îæèäàíè
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;@@kb:
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; in AL,64h ;ïîëó÷èòü ñòàòóñ
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; test AL,10b ;áóôåð i8042 ñâîáîäåí?
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; loopnz @@kb ;åñëè íåò, òî öèêë
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; pop CX
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push ecx
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xor ecx,ecx
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@@:
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in al,64h
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test al,00000010b
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loopnz @b
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pop ecx
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;Åñëè ïðè âûõîäå èç ïîäïðîãðàììû ñáðîøåí
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;ôëàã ZF - îøèáêà
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ret ;âîçâðàò â ïîäïðîãðàììó
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;***************************************
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;* ÎÆÈÄÀÍÈÅ ÏÎÑÒÓÏËÅÍÈß ÄÀÍÍÛÕ ÎÒ ÌÛØÈ *
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;***************************************
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WaitMouseData:
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; push CX
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; mov CX,0FFFFh ;çàäàòü ÷èñëî öèêëîâ îæèäàíè
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;@@mouse:
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; in AL,64h ;îïðîñèòü ðåãèñòð ñòàòóñà
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; test AL,100000b ;äàííûå ïîñòóïèëè?
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; loopz @@mouse ;åñëè íåò, òî öèêë
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; pop CX
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push ecx
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mov ECX,0FFFFh
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@@:
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in al,64h
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test al,100000b
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loopz @b
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pop ecx
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;Åñëè ïðè âûõîäå èç ïîäïðîãðàììû óñòàíîâëåí
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;ôëàã ZF - îøèáêà
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ret
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