/* Hey EMACS -*- linux-c -*- */

/*  TiEmu - Tiemu Is an EMUlator
 *
 *  Copyright (c) 2000-2001, Thomas Corvazier, Romain Lievin
 *  Copyright (c) 2001-2003, Romain Lievin
 *  Copyright (c) 2003, Julien Blache
 *  Copyright (c) 2004, Romain Liévin
 *  Copyright (c) 2005, Romain Liévin
 *
 *  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 __BITS__
#define __BITS__

#define bit_get(v,b)	(((v) & (1 << (b))) >> (b))
#define bit_set(v,b)	v |=  (1 << (b));
#define bit_clr(v,b)	v &= ~(1 << (b));

#define bit_tst(v,b)    ((v) &  (1 << b))
#define bit_chg(v,b,s)	{                           \
                            if(s)                   \
                                { bit_set(v,b); }   \
                            else                    \
                                { bit_clr(v,b); }   \
                        }

#endif