skarg
86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2004 Steve Karg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to
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The Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA.
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As a special exception, if other files instantiate templates or
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use macros or inline functions from this file, or you compile
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this file and link it with other works to produce a work based
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on this file, this file does not by itself cause the resulting
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work to be covered by the GNU General Public License. However
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the source code for this file must still be made available in
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accordance with section (3) of the GNU General Public License.
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This exception does not invalidate any other reasons why a work
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based on this file might be covered by the GNU General Public
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License.
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-------------------------------------------
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####COPYRIGHTEND####*/
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#ifndef BITS_H
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#define BITS_H
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/********************************************************************
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* Bit Masks
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*********************************************************************/
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#define BIT0 (0x01)
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#define BIT1 (0x02)
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#define BIT2 (0x04)
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#define BIT3 (0x08)
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#define BIT4 (0x10)
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#define BIT5 (0x20)
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#define BIT6 (0x40)
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#define BIT7 (0x80)
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#define BIT8 (0x0100)
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#define BIT9 (0x0200)
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#define BIT10 (0x0400)
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#define BIT11 (0x0800)
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#define BIT12 (0x1000)
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#define BIT13 (0x2000)
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#define BIT14 (0x4000)
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#define BIT15 (0x8000)
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#define BIT16 (0x010000UL)
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#define BIT17 (0x020000UL)
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#define BIT18 (0x040000UL)
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#define BIT19 (0x080000UL)
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#define BIT20 (0x100000UL)
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#define BIT21 (0x200000UL)
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#define BIT22 (0x400000UL)
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#define BIT23 (0x800000UL)
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#define BIT24 (0x01000000UL)
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#define BIT25 (0x02000000UL)
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#define BIT26 (0x04000000UL)
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#define BIT27 (0x08000000UL)
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#define BIT28 (0x10000000UL)
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#define BIT29 (0x20000000UL)
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#define BIT30 (0x40000000UL)
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#define BIT31 (0x80000000UL)
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/* a=register, b=bit number to act upon 0-n */
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#define BIT_SET(a,b) ((a) |= (1<<(b)))
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#define BIT_CLEAR(a,b) ((a) &= ~(1<<(b)))
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#define BIT_FLIP(a,b) ((a) ^= (1<<(b)))
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#define BIT_CHECK(a,b) ((a) & (1<<(b)))
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/* x=target variable, y=mask */
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#define BITMASK_SET(x,y) ((x) |= (y))
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#define BITMASK_CLEAR(x,y) ((x) &= (~(y)))
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#define BITMASK_FLIP(x,y) ((x) ^= (y))
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#define BITMASK_CHECK(x,y) ((x) & (y))
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#endif
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