44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
/* $NetBSD: grfabs_tt.h,v 1.3 2009/10/20 19:10:10 snj Exp $ */
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/*
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* Copyright (c) 1996 Leo Weppelman.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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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#ifndef _GRFABS_TT_H
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#define _GRFABS_TT_H
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/*
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* Colormap related macro's
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*/
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#define CM_L2TT(v) \
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(((0x000f0000 & (v)) >> 8) | ((0x00000f00 & (v)) >> 4) |\
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(0x0000000f & (v)))
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#define CM_TT2L(v) \
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((((0x00000f00 & (v)) * 0xff / 0xf) << 8) |\
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(((0x000000f0 & (v)) * 0xff / 0xf) << 4) |\
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(0x0000000f & (v)) * 0xff / 0xf)
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void tt_probe_video(MODES *);
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#endif /* _GRFABS_TT_H */
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