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70 lines
2.4 KiB
NASM
70 lines
2.4 KiB
NASM
;=----------------------------------------------------------------------------=;
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; GNU GPL OS/K ;
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; ;
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; Desc: Basic Read Only Keyboard Driver ;
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; (x86_64 architecture only) ;
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; ;
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; ;
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; Copyright © 2018-2019 The OS/K Team ;
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; ;
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; This file is part of OS/K. ;
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; ;
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; OS/K is free software: you can redistribute it and/or modify ;
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; it under the terms of the GNU General Public License as published by ;
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; the Free Software Foundation, either version 3 of the License, or ;
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; (at your option) any later version. ;
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; ;
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; OS/K is distributed in the hope that it will be useful, ;
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; but WITHOUT ANY WARRANTY; without even the implied warranty of ;
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;
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; GNU General Public License for more details. ;
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; ;
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; You should have received a copy of the GNU General Public License ;
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; along with OS/K. If not, see <https://www.gnu.org/licenses/>. ;
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;=----------------------------------------------------------------------------=;
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[BITS 64]
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global KeybIsr
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extern KeybHandler
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%macro pushAll 0
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push rax
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push rcx
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push rdx
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push rbx
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push rbp
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push rsi
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push rdi
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%endmacro
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%macro popAll 0
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pop rdi
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pop rsi
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pop rbp
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pop rbx
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pop rdx
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pop rcx
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pop rax
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%endmacro
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;;
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;; Keyboard handler
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;;
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KeybIsr:
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cli
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pushAll
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xor rax, rax
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mov ax, ds
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push rax
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call KeybHandler
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pop rax
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mov ds, ax
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popAll
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sti
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iretq
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