diff options
Diffstat (limited to 'bda.h')
| -rw-r--r-- | bda.h | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -1,3 +1,22 @@ +/* + * VBMouse - BIOS data area access routines + * Copyright (C) 2022 Javier S. Pedro + * + * This program 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 2 + * of the License, or (at your option) any later version. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + #ifndef BDA_H #define BDA_H @@ -22,6 +41,8 @@ static inline uint8_t bda_get_byte(unsigned int offset) { #define bda_get_ebda_segment() bda_get_word(0x0e) +#define bda_get_equipment() bda_get_word(0x10) + #define bda_get_video_mode() bda_get_byte(0x49) #define bda_get_num_columns() bda_get_word(0x4a) #define bda_get_video_page_size() bda_get_word(0x4c) |