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[717405]: helper.h Maximize Restore History

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helper.h    29 lines (23 with data), 990 Bytes

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/*
Copyright (C) 2011 Georg Ottinger
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 __HELPER_H__
#define __HELPER_H__
#define MSB(x) ( ( (x) >> 8 ) & 0xFF )
#define LSB(x) ( (x) & 0xFF )
#define BIT(x) ( 1 << (x) )
#define SETB(x,bit) x |= BIT(bit)
#define CLRB(x,bit) x &= ~BIT(bit)
#define ISB(x,bit) (x & BIT(bit))
#endif //__HELPER_H__