2014-03-15 16:59:03 +00:00
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// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1993-1996 by id Software, Inc.
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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2018-11-25 12:35:38 +00:00
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// Copyright (C) 1999-2018 by Sonic Team Junior.
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2014-03-15 16:59:03 +00:00
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file m_swap.h
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/// \brief Endianess handling, swapping 16bit and 32bit
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#ifndef __M_SWAP__
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#define __M_SWAP__
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2014-04-24 22:38:57 +00:00
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#include "endian.h"
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2014-03-15 16:59:03 +00:00
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// Endianess handling.
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// WAD files are stored little endian.
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2014-04-24 22:38:57 +00:00
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#ifdef SRB2_BIG_ENDIAN
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2014-03-15 16:59:03 +00:00
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#define SHORT(x) ((INT16)(\
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(((UINT16)(x) & (UINT16)0x00ffU) << 8) \
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| \
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(((UINT16)(x) & (UINT16)0xff00U) >> 8))) \
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#define LONG(x) ((INT32)(\
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(((UINT32)(x) & (UINT32)0x000000ffUL) << 24) \
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| \
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(((UINT32)(x) & (UINT32)0x0000ff00UL) << 8) \
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| \
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(((UINT32)(x) & (UINT32)0x00ff0000UL) >> 8) \
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| \
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(((UINT32)(x) & (UINT32)0xff000000UL) >> 24)))
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#else
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#define SHORT(x) ((INT16)(x))
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#define LONG(x) ((INT32)(x))
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#endif
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#endif
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