KolibriOS/kolibrios
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kolibrios/kernel/trunk/hid/keyboard.inc
Marat Zakiyanov (Mario79) 213f39d0cd CAPS LOCK for ASCII key 
git-svn-id: svn://kolibrios.org@2171 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-09-11 17:31:15 +00:00

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7.5 KiB
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
;; Distributed under terms of the GNU General Public License ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision$
VKEY_LSHIFT = 0000000000000001b
VKEY_RSHIFT = 0000000000000010b
VKEY_LCONTROL = 0000000000000100b
VKEY_RCONTROL = 0000000000001000b
VKEY_LALT = 0000000000010000b
VKEY_RALT = 0000000000100000b
VKEY_CAPSLOCK = 0000000001000000b
VKEY_NUMLOCK = 0000000010000000b
VKEY_SCRLOCK = 0000000100000000b
VKEY_SHIFT = 0000000000000011b
VKEY_CONTROL = 0000000000001100b
VKEY_ALT = 0000000000110000b
uglobal
align 4
kb_state dd 0
ext_code db 0
keyboard_mode db 0
keyboard_data db 0
altmouseb db 0
ctrl_alt_del db 0
kb_lights db 0
align 4
hotkey_scancodes rd 256 ; we have 256 scancodes
hotkey_list rd 256*4 ; max 256 defined hotkeys
hotkey_buffer rd 120*2 ; buffer for 120 hotkeys
endg
iglobal
hotkey_tests dd hotkey_test0
dd hotkey_test1
dd hotkey_test2
dd hotkey_test3
dd hotkey_test4
hotkey_tests_num = 5
endg
;---------------------------------------------------------------------
hotkey_test0:
test al,al
setz al
ret
;---------------------------------------------------------------------
hotkey_test1:
test al,al
setnp al
ret
;---------------------------------------------------------------------
hotkey_test2:
cmp al,3
setz al
ret
;---------------------------------------------------------------------
hotkey_test3:
cmp al,1
setz al
ret
;---------------------------------------------------------------------
hotkey_test4:
cmp al,2
setz al
ret
;---------------------------------------------------------------------
hotkey_do_test:
push eax
mov edx,[kb_state]
shr edx,cl
add cl,cl
mov eax,[eax+4]
shr eax,cl
and eax,15
cmp al,hotkey_tests_num
jae .fail
xchg eax,edx
and al,3
call [hotkey_tests + edx*4]
cmp al,1
pop eax
ret
;--------------------------------------
.fail:
stc
pop eax
ret
;---------------------------------------------------------------------
align 4
set_keyboard_data:
movzx eax,word[TASK_COUNT] ; top window process
movzx eax,word[WIN_POS+eax*2]
shl eax,8
mov al,[SLOT_BASE+eax+APPDATA.keyboard_mode]
mov [keyboard_mode],al
mov eax,ecx
push ebx esi edi ebp
call send_scancode
pop ebp edi esi ebx
ret
;---------------------------------------------------------------------
align 4
irq1:
movzx eax,word[TASK_COUNT] ; top window process
movzx eax,word[WIN_POS+eax*2]
shl eax,8
mov al,[SLOT_BASE+eax+APPDATA.keyboard_mode]
mov [keyboard_mode],al
in al,0x60
;--------------------------------------
send_scancode:
mov [keyboard_data],al
; ch = scancode
; cl = ext_code
; bh = 0 - normal key
; bh = 1 - modifier (Shift/Ctrl/Alt)
; bh = 2 - extended code
mov ch,al
cmp al,0xE0
je @f
cmp al,0xE1
jne .normal_code
@@:
mov bh,2
mov [ext_code],al
jmp .writekey
;--------------------------------------
.normal_code:
mov cl,0
xchg cl,[ext_code]
and al,0x7F
mov bh,1
@@:
cmp al,0x2A
jne @f
cmp cl,0xE0
je .writekey
mov eax,VKEY_LSHIFT
jmp .modifier
;--------------------------------------
@@:
cmp al,0x36
jne @f
cmp cl,0xE0
je .writekey
mov eax,VKEY_RSHIFT
jmp .modifier
;--------------------------------------
@@:
cmp al,0x38
jne @f
mov eax,VKEY_LALT
test cl,cl
jz .modifier
mov al,VKEY_RALT
jmp .modifier
;--------------------------------------
@@:
cmp al,0x1D
jne @f
mov eax,VKEY_LCONTROL
test cl,cl
jz .modifier
mov al,VKEY_RCONTROL
cmp cl,0xE0
jz .modifier
mov [ext_code],cl
jmp .writekey
;--------------------------------------
@@:
cmp al,0x3A
jne @f
mov bl,4
mov eax,VKEY_CAPSLOCK
jmp .no_key.xor
;--------------------------------------
@@:
cmp al,0x45
jne @f
test cl,cl
jnz .writekey
mov bl,2
mov eax,VKEY_NUMLOCK
jmp .no_key.xor
;--------------------------------------
@@:
cmp al,0x46
jne @f
mov bl,1
mov eax,VKEY_SCRLOCK
jmp .no_key.xor
;--------------------------------------
@@:
xor ebx,ebx
test ch,ch
js .writekey
movzx eax,ch ; plain key
mov bl,[keymap+eax]
mov edx,[kb_state]
test dl,VKEY_CONTROL ; ctrl alt del
jz .noctrlaltdel
test dl,VKEY_ALT
jz .noctrlaltdel
cmp ch,53h
jne .noctrlaltdel
mov [ctrl_alt_del],1
.noctrlaltdel:
test dl,VKEY_CONTROL ; ctrl on ?
jz @f
sub bl,0x60
@@:
test dl,VKEY_CAPSLOCK ; caps lock on ?
jz .no_caps_lock
test dl,VKEY_SHIFT ; shift on ?
jz .keymap_shif
jmp @f
;--------------------------------------
.no_caps_lock:
test dl,VKEY_SHIFT ; shift on ?
jz @f
.keymap_shif:
mov bl,[keymap_shift+eax]
@@:
test dl,VKEY_ALT ; alt on ?
jz @f
mov bl,[keymap_alt+eax]
@@:
jmp .writekey
;--------------------------------------
.modifier:
test ch, ch
js .modifier.up
or [kb_state],eax
jmp .writekey
;--------------------------------------
.modifier.up:
not eax
and [kb_state],eax
jmp .writekey
;--------------------------------------
.no_key.xor:
mov bh,0
test ch,ch
js .writekey
xor [kb_state],eax
xor [kb_lights],bl
call set_lights
.writekey:
; test for system hotkeys
movzx eax,ch
cmp bh,1
ja .nohotkey
jb @f
xor eax,eax
@@:
mov eax, [hotkey_scancodes + eax*4]
.hotkey_loop:
test eax, eax
jz .nohotkey
mov cl,0
call hotkey_do_test
jc .hotkey_cont
mov cl,2
call hotkey_do_test
jc .hotkey_cont
mov cl,4
call hotkey_do_test
jnc .hotkey_found
.hotkey_cont:
mov eax,[eax]
jmp .hotkey_loop
;--------------------------------------
.hotkey_found:
mov eax,[eax+8]
; put key in buffer for process in slot eax
mov edi,hotkey_buffer
@@:
cmp dword [edi],0
jz .found_free
add edi,8
cmp edi,hotkey_buffer+120*8
jb @b
; no free space - replace first entry
mov edi,hotkey_buffer
.found_free:
mov [edi],eax
movzx eax,ch
cmp bh,1
jnz @f
xor eax, eax
@@:
mov [edi+4],ax
mov eax,[kb_state]
mov [edi+6],ax
jmp .exit.irq1
;--------------------------------------
.nohotkey:
cmp [keyboard_mode],0 ; return from keymap
jne .scancode
test bh,bh
jnz .exit.irq1
test bl,bl
jz .exit.irq1
test [kb_state],VKEY_NUMLOCK
jz .dowrite
cmp cl,0xE0
jz .dowrite
cmp ch,55
jnz @f
mov bl,0x2A ;*
jmp .dowrite
;--------------------------------------
@@:
cmp ch,71
jb .dowrite
cmp ch,83
ja .dowrite
movzx eax, ch
mov bl,[numlock_map + eax - 71]
jmp .dowrite
;--------------------------------------
.scancode:
mov bl,ch
.dowrite:
movzx eax,byte[KEY_COUNT]
cmp al,120
jae .exit.irq1
inc eax
mov [KEY_COUNT],al
mov [KEY_COUNT+eax],bl
.exit.irq1:
mov [check_idle_semaphore],5
ret
;---------------------------------------------------------------------
set_lights:
mov al,0xED
call kb_write
mov al,[kb_lights]
call kb_write
ret
;---------------------------------------------------------------------
numlock_map:
db 0x37 ;Num 7
db 0x38 ;Num 8
db 0x39 ;Num 9
db 0x2D ;Num -
db 0x34 ;Num 4
db 0x35 ;Num 5
db 0x36 ;Num 6
db 0x2B ;Num +
db 0x31 ;Num 1
db 0x32 ;Num 2
db 0x33 ;Num 3
db 0x30 ;Num 0
db 0x2E ;Num .
;---------------------------------------------------------------------
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