doskeyb
annotate keyb.h @ 0:c2b210a70ce9
initial DOS keyboard driver commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Mon, 23 Sep 2013 03:42:39 +0300 |
| parents | |
| children |
| rev | line source |
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| nuclear@0 | 1 /* |
| nuclear@0 | 2 DOS interrupt-based keyboard driver. |
| nuclear@0 | 3 Copyright (C) 2013 John Tsiombikas <nuclear@member.fsf.org> |
| nuclear@0 | 4 |
| nuclear@0 | 5 This program is free software: you can redistribute it and/or modify |
| nuclear@0 | 6 it under the terms of the GNU General Public License as published by |
| nuclear@0 | 7 the Free Software Foundation, either version 3 of the License, or |
| nuclear@0 | 8 (at your option) any later version. |
| nuclear@0 | 9 |
| nuclear@0 | 10 This program is distributed in the hope that it will be useful, |
| nuclear@0 | 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| nuclear@0 | 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| nuclear@0 | 13 GNU General Public License for more details. |
| nuclear@0 | 14 |
| nuclear@0 | 15 You should have received a copy of the GNU General Public License |
| nuclear@0 | 16 along with the program. If not, see <http://www.gnu.org/licenses/> |
| nuclear@0 | 17 */ |
| nuclear@0 | 18 #ifndef KEYB_H_ |
| nuclear@0 | 19 #define KEYB_H_ |
| nuclear@0 | 20 |
| nuclear@0 | 21 #define KB_ANY (-1) |
| nuclear@0 | 22 |
| nuclear@0 | 23 int kb_init(int bufsz); /* bufsz can be 0 for no buffered keys */ |
| nuclear@0 | 24 void kb_shutdown(void); /* don't forget to call this at the end! */ |
| nuclear@0 | 25 |
| nuclear@0 | 26 /* Boolean predicate for testing the current state of a particular key. |
| nuclear@0 | 27 * You may also pass KB_ANY to test if any key is held down. |
| nuclear@0 | 28 */ |
| nuclear@0 | 29 int kb_isdown(int key); |
| nuclear@0 | 30 |
| nuclear@0 | 31 /* waits for any keypress */ |
| nuclear@0 | 32 void kb_wait(void); |
| nuclear@0 | 33 |
| nuclear@0 | 34 /* removes and returns a signle key from the input buffer. |
| nuclear@0 | 35 * If buffering is disabled (initialized with kb_init(0)), then it always |
| nuclear@0 | 36 * returns the last key pressed. |
| nuclear@0 | 37 */ |
| nuclear@0 | 38 int kb_getkey(void); |
| nuclear@0 | 39 |
| nuclear@0 | 40 #endif /* KEYB_H_ */ |