nuclear@33: /*
nuclear@33: DOS interrupt-based keyboard driver.
nuclear@33: Copyright (C) 2013  John Tsiombikas <nuclear@member.fsf.org>
nuclear@33: 
nuclear@33: This program is free software: you can redistribute it and/or modify
nuclear@33: it under the terms of the GNU General Public License as published by
nuclear@33: the Free Software Foundation, either version 3 of the License, or
nuclear@33: (at your option) any later version.
nuclear@33: 
nuclear@33: This program is distributed in the hope that it will be useful,
nuclear@33: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@33: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
nuclear@33: GNU General Public License  for more details.
nuclear@33: 
nuclear@33: You should have received a copy of the GNU General Public License
nuclear@33: along with the program. If not, see <http://www.gnu.org/licenses/>
nuclear@33: */
nuclear@33: #ifndef KEYB_H_
nuclear@33: #define KEYB_H_
nuclear@33: 
nuclear@33: #define KB_ANY	(-1)
nuclear@33: 
nuclear@33: int kb_init(int bufsz);	/* bufsz can be 0 for no buffered keys */
nuclear@33: void kb_shutdown(void); /* don't forget to call this at the end! */
nuclear@33: 
nuclear@33: /* Boolean predicate for testing the current state of a particular key.
nuclear@33:  * You may also pass KB_ANY to test if any key is held down.
nuclear@33:  */
nuclear@33: int kb_isdown(int key);
nuclear@33: 
nuclear@33: /* waits for any keypress */
nuclear@33: void kb_wait(void);
nuclear@33: 
nuclear@33: /* removes and returns a signle key from the input buffer.
nuclear@33:  * If buffering is disabled (initialized with kb_init(0)), then it always
nuclear@33:  * returns the last key pressed.
nuclear@33:  */
nuclear@33: int kb_getkey(void);
nuclear@33: 
nuclear@33: #endif	/* KEYB_H_ */