NetBSD/sys/arch/atari/dev/grfabs_tt.h

49 lines
2.1 KiB
C

/* $NetBSD: grfabs_tt.h,v 1.1 1996/09/16 06:50:34 leo Exp $ */
/*
* Copyright (c) 1996 Leo Weppelman.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Leo Weppelman
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _GRFABS_TT_H
#define _GRFABS_TT_H
/*
* Colormap related macro's
*/
#define CM_L2TT(v) \
(((0x000f0000 & (v)) >> 8) | ((0x00000f00 & (v)) >> 4) |\
(0x0000000f & (v)))
#define CM_TT2L(v) \
((((0x00000f00 & (v)) * 0xff / 0xf) << 8) |\
(((0x000000f0 & (v)) * 0xff / 0xf) << 4) |\
(0x0000000f & (v)) * 0xff / 0xf)
void tt_probe_video __P((MODES *));
#endif /* _GRFABS_TT_H */