kolibrios/kernel/branches/gfx_kernel/hid/m_com2.inc
Mihail Semenyako (mike.dld) e3172037f7 Added gfx_kernel branch
git-svn-id: svn://kolibrios.org@129 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-08-14 21:38:03 +00:00

131 lines
4.0 KiB
PHP

; Íîìåð ïðèíèìàåìîãî îò ìûøè áàéòà
MouseByteNumber_1 DB 0
; Òðåõáàéòîâàÿ ñòðóêòóðà äàííûõ, ïåðåäàâàåìàÿ ìûøüþ
FirstByte_1 DB 0
SecondByte_1 DB 0
ThirdByte_1 DB 0
timer_ticks_com_1 dd 0
;***************************************
;* ÍÎÂÛÉ ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÌÛØÈ *
;***************************************
check_mouse_data_com2:
; cmp [com2_mouse_detected],0
; je @@EndMouseInterrupt_1
; Ïðîâåðèòü íàëè÷èå äàííûõ
mov DX,2F8h ;[COMPortBaseAddr]
add DX,5 ;xFDh
in AL,DX
test AL,1 ;Äàííûå ãîòîâû?
jz @@Error_1
; Ââåñòè äàííûå
mov DX,2F8h ;[COMPortBaseAddr] ;xF8h
in AL,DX
; Ñáðîñèòü ñòàðøèé íåçíà÷àùèé áèò
and AL,01111111b
; Îïðåäåëèòü ïîðÿäêîâûé íîìåð ïðèíèìàåìîãî áàéòà
cmp [MouseByteNumber_1],0
je @@FirstByte_1
cmp [MouseByteNumber_1],1
je @@SecondByte_1
cmp [MouseByteNumber_1],2
je @@ThirdByte_1
jmp @@Error_1
; Ñîõðàíèòü ïåðâûé áàéò äàííûõ
@@FirstByte_1:
test AL,1000000b ;Ïåðâûé áàéò ïîñûëêè?
jz @@Error_1
mov [FirstByte_1],AL
inc [MouseByteNumber_1] ;óâåëè÷èòü ñ÷åò÷èê
jmp @@EndMouseInterrupt_1
; Ñîõðàíèòü âòîðîé áàéò äàííûõ
@@SecondByte_1:
test AL,1000000b
jnz @@Error_1
mov [SecondByte_1],AL
inc [MouseByteNumber_1] ;óâåëè÷èòü ñ÷åò÷èê
jmp @@EndMouseInterrupt_1
; Ñîõðàíèòü òðåòèé áàéò äàííûõ
@@ThirdByte_1:
test AL,1000000b
jnz @@Error_1
mov [ThirdByte_1],AL ;óâåëè÷èòü ñ÷åò÷èê
mov [MouseByteNumber_1],0
; (Ïàêåò äàííûõ îò ìûøè ïðèíÿò ïîëíîñòüþ).
; Çàïèñàòü íîâîå çíà÷åíèå ñîñòîÿíèÿ êíîïîê ìûøè
mov al,[FirstByte_1] ;[0xfb01]
mov ah,al
shr al,3
and al,2
shr ah,5
and ah,1
add al,ah
mov [0xfb40],al
mov [mouse_active],1
; Ïðèáàâèòü ïåðåìåùåíèå ïî X ê êîîðäèíàòå X
mov AL,[FirstByte_1]
shl AL,6
or AL,[SecondByte_1]
cbw
call mouse_acceleration_com2
add AX,[0xFB0A] ;[XCoordinate]
; Êóðñîð íå äîëæåí âûõîäèòü çà ëåâóþ èëè
; ïðàâóþ ãðàíèöó ýêðàíà
js @@X1_1
cmp AX,[0xFE00] ;ScreenLength
jb @@X2_1
; Óñòàíîâèòü êîîðäèíàòó X ïî ïðàâîé ãðàíèöå
mov AX,[0xFE00] ;ScreenLength-1
dec ax
jmp @@X2_1
@@X1_1:
; Óñòàíîâèòü êîîðäèíàòó X ïî ëåâîé ãðàíèöå
xor AX,AX
@@X2_1:
mov [0xFB0A],AX ;[XCoordinate]
; Ïðèáàâèòü ïåðåìåùåíèå ïî Y ê êîîðäèíàòå Y
mov AL,[FirstByte_1]
and AL,00001100b
shl AL,4
or AL,[ThirdByte_1]
cbw
call mouse_acceleration_com2
add AX,[0xFB0C] ;[YCoordinate]
; Êóðñîð íå äîëæåí âûõîäèòü çà âåðõíþþ èëè
; íèæíþþ ãðàíèöó ýêðàíà
js @@Y1_1
cmp AX,[0xFE04] ;ScreenHeigth
jb @@Y2_1
; Óñòàíîâèòü êîîðäèíàòó X ïî íèæíåé ãðàíèöå
mov AX,[0xFE04] ;ScreenHeigth-1
dec ax
jmp @@Y2_1
@@Y1_1:
; Óñòàíîâèòü êîîðäèíàòó X ïî âåðõíåé ãðàíèöå
xor AX,AX
@@Y2_1:
mov [0xFB0C],AX ;[YCoordinate]
mov eax,[timer_ticks]
mov [timer_ticks_com_1],eax
jmp @@EndMouseInterrupt_1
@@Error_1:
; Ïðîèçîøåë ñáîé â ïîðÿäêå ïåðåäà÷è èíôîðìàöèè îò
; ìûøè, îáíóëèòü ñ÷åò÷èê áàéòîâ ïàêåòà äàííûõ
mov [MouseByteNumber_1],0
@@EndMouseInterrupt_1:
call ready_for_next_irq
ret
mouse_acceleration_com2:
push eax
mov eax,[timer_ticks]
sub eax,[timer_ticks_com_1]
cmp eax,[mouse_delay]
pop eax
ja @f
shl ax,1
@@:
ret