/* RCC-Project Copyright (C) 2026 Richard Qin This file is part of RCC-Project. RCC-Project is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. RCC-Project is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with RCC-Project; see the file COPYING. If not see . */ #include "bios.h" #include "io.h" #define CMOS_INDEX_PORT 0x0070u #define CMOS_DATA_PORT 0x0071u u8 cmos_read8 (u8 index) { io_out8 (CMOS_INDEX_PORT, index); return io_in8 (CMOS_DATA_PORT); }