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https://git.code.sf.net/p/fuse-emulator/fuse
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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/* bitmap.h: Bitmap routines
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Copyright (c) 2007-2015 Stuart Brady
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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Author contact information:
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Philip: philip-fuse@shadowmagic.org.uk
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Stuart: stuart.brady@gmail.com
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*/
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#ifndef FUSE_BITMAP_H
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#define FUSE_BITMAP_H
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static inline void
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bitmap_set( libspectrum_byte *b, const size_t n )
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{
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b[ n / 8 ] |= ( 1 << ( n % 8 ) );
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}
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static inline void
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bitmap_reset( libspectrum_byte *b, const size_t n )
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{
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b[ n / 8 ] &= ~( 1 << ( n % 8 ) );
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}
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static inline int
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bitmap_test( const libspectrum_byte *b, const size_t n )
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{
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return b[ n / 8 ] & ( 1 << ( n % 8 ) );
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}
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#endif /* #ifndef FUSE_BITMAP_H */
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