58 lines
2.5 KiB
C
58 lines
2.5 KiB
C
/*
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* Copyright (c) 1992,1993,1994 Hellmuth Michaelis, Brian Dunford-Shore
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* and Joerg Wunsch.
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*
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz and Don Ahn.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Hellmuth Michaelis,
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* Brian Dunford-Shore and Joerg Wunsch.
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* 4. The name authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* @(#)pcvt_vtf.h, 3.00, Last Edit-Date: [Sun Feb 27 18:47:30 1994]
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*/
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#define INT_BITS (sizeof(unsigned int) * 8)
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#define INT_INDEX(n) ((n) / INT_BITS)
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#define BIT_INDEX(n) ((n) % INT_BITS)
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/*---------------------------------------------------------------------------*
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* set selective attribute if appropriate
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*---------------------------------------------------------------------------*/
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static __inline void vt_selattr(struct video_state *svsp)
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{
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int i;
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i = (svsp->Crtat + svsp->cur_offset) - svsp->Crtat;
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if(svsp->selchar)
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svsp->decsca[INT_INDEX(i)] |= (1 << BIT_INDEX(i));
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else
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svsp->decsca[INT_INDEX(i)] &= ~(1 << BIT_INDEX(i));
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}
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