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