forked from KolibriOS/kolibrios
bd15d25cab
No TSSs for interrupt handlers. More free memory. Faster task switch and interrupt handling. Smaller sys32.inc. git-svn-id: svn://kolibrios.org@8 a494cfbc-eb01-0410-851d-a64ba20cac60
227 lines
5.2 KiB
PHP
227 lines
5.2 KiB
PHP
;// mike.dld [
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VKEY_LSHIFT = 0000000000000001b
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VKEY_RSHIFT = 0000000000000010b
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VKEY_LCONTROL = 0000000000000100b
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VKEY_RCONTROL = 0000000000001000b
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VKEY_LALT = 0000000000010000b
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VKEY_RALT = 0000000000100000b
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VKEY_CAPSLOCK = 0000000001000000b
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VKEY_NUMLOCK = 0000000010000000b
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VKEY_SCRLOCK = 0000000100000000b
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VKEY_SHIFT = 0000000000000011b
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VKEY_CONTROL = 0000000000001100b
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VKEY_ALT = 0000000000110000b
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uglobal
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align 4
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kb_state dd 0
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ext_code db 0
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keyboard_mode db 0
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keyboard_data db 0
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altmouseb db 0
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ctrl_alt_del db 0
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kb_lights db 0
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endg
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align 4
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irq1:
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pushad
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push ds es
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mov ax, os_data
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mov ds, ax
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mov es, ax
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movzx eax,word[0x3004] ; top window process
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movzx eax,word[0xC400+eax*2]
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shl eax,8
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mov al,[0x800B4+eax]
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mov [keyboard_mode],al
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in al,0x60
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mov [keyboard_data],al
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mov ch,al
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cmp al,0xE0
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je @f
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cmp al,0xE1
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jne .normal_code
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@@: mov [ext_code],al
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jmp .no_key.end
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.normal_code:
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mov cl,[ext_code]
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mov [ext_code],0
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and al,0x7F
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@@: cmp al,0x2A
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jne @f
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cmp cl,0xE0
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je .no_key.end
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mov eax,VKEY_LSHIFT
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jmp .no_key
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@@: cmp al,0x36
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jne @f
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cmp cl,0xE0
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je .no_key.end
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mov eax,VKEY_RSHIFT
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jmp .no_key
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@@: cmp al,0x38
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jne @f
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cmp cl,0xE0
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je .alt.r
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mov eax,VKEY_LALT
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jmp .no_key
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.alt.r:
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mov eax,VKEY_RALT
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jmp .no_key
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@@: cmp al,0x1D
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jne @f
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cmp cl,0
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jne .ctrl.r
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mov eax,VKEY_LCONTROL
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jmp .no_key
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.ctrl.r:
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cmp cl,0xE1
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jne .ctrl.r.2
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mov [ext_code],cl
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jmp .no_key.end
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.ctrl.r.2:
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mov eax,VKEY_RCONTROL
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jmp .no_key
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@@: cmp al,0x3A
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jne @f
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mov bl,4
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mov eax,VKEY_CAPSLOCK
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jmp .no_key.xor
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@@: cmp al,0x45
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jne @f
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cmp cl,0
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jne .no_key.end
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mov bl,2
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mov eax,VKEY_NUMLOCK
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jmp .no_key.xor
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@@: cmp al,0x46
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jne @f
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mov bl,1
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mov eax,VKEY_SCRLOCK
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jmp .no_key.xor
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@@:
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test ch,0x80
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jnz .no_key.end
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movzx eax,ch ; plain key
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mov bl,[keymap+eax]
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mov edx,[kb_state]
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test dl,VKEY_CONTROL ; ctrl alt del
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jz .noctrlaltdel
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test dl,VKEY_ALT
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jz .noctrlaltdel
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cmp bl,134+48
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jne .noctrlaltdel
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mov [ctrl_alt_del],1
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jmp .no_key.end
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.noctrlaltdel:
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test dl,VKEY_CONTROL ; ctrl on ?
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jz @f
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sub bl,0x60
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@@: test dl,VKEY_SHIFT ; shift on ?
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jz @f
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mov bl,[keymap_shift+eax]
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@@: test dl,VKEY_ALT ; alt on ?
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jz @f
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mov bl,[keymap_alt+eax]
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; alt mouse ?
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xor edx,edx
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cmp bl,178
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jnz .no_alt.up
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mov edx,5*65536
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jmp .mouse.change
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.no_alt.up:
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cmp bl,177
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jnz .no_alt.down
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mov edx,251*65536
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jmp .mouse.change
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.no_alt.down:
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cmp bl,176
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jnz .no_alt.left
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mov edx,251*256
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jmp .mouse.change
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.no_alt.left:
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cmp bl,179
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jnz .no_alt.right
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mov edx,5*256
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jmp .mouse.change
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.no_alt.right:
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cmp bl,' '
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jne @f
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xor [altmouseb],1
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.mouse.change:
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mov byte[0xF604],1; ps2 data
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mov byte[0xFB00],0; ps2 chunk count
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mov word[0x2E0000+4096*12],3; mouse data count
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mov dl,[altmouseb]
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mov [0x2E0000+4096*12+0x10],edx
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mov bl,0
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@@:
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cmp [keyboard_mode],0 ; return from keymap
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jne .no_key.end
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mov [keyboard_mode_sys],0
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cmp bl,0
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je .no_key.end
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movzx eax,byte[0xF400]
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cmp al,120
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jae .no_key.end
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inc al
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mov [0xF400],al
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mov [0xF400+eax],bl
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jmp .no_key.end
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.no_key:
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test ch,0x80
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jz .no_key.down
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not eax
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and [kb_state],eax
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jmp .no_key.end
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.no_key.xor:
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test ch,0x80
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jnz .no_key.end
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xor [kb_state],eax
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xor [kb_lights],bl
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call set_lights
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jmp .no_key.end
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.no_key.down:
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or [kb_state],eax
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.no_key.end:
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cmp [keyboard_mode],1 ; return scancode
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jne .no_scancode
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mov [keyboard_mode_sys],1
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movzx eax,byte[0xF400]
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cmp al,120
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jae .no_scancode
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inc al
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mov [0xF400],al
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mov [0xF400+eax],ch
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.no_scancode:
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.exit.irq1:
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mov [check_idle_semaphore],5
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mov al,0x20 ; ready for next irq
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out 0x20,al
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pop es ds
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popad
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iret
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set_lights:
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mov al,0xED
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call kb_write
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mov al,[kb_lights]
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call kb_write
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ret
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;// mike.dld ]
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