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- /* Emacs style mode select -*- C++ -*- */
- /* ----------------------------------------------------------------------------- */
- /* */
- /* $Id:$ */
- /* */
- /* Copyright (C) 1993-1996 by id Software, Inc. */
- /* */
- /* This source is available for distribution and/or modification */
- /* only under the terms of the DOOM Source Code License as */
- /* published by id Software. All rights reserved. */
- /* */
- /* The source is distributed in the hope that it will be useful, */
- /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
- /* FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License */
- /* for more details. */
- /* */
- /* $Log:$ */
- /* */
- /* DESCRIPTION: */
- /* Endianess handling, swapping 16bit and 32bit. */
- /* */
- /* ----------------------------------------------------------------------------- */
-
- #include "m_swap.h"
-
- #ifndef ATARI
- /* Swap 16bit, that is, MSB and LSB byte. */
- unsigned short SwapSHORT(unsigned short x)
- {
- /* No masking with 0xFF should be necessary. */
- return (x>>8) | (x<<8);
- }
-
- /* Swapping 32bit. */
- unsigned long SwapLONG( unsigned long x)
- {
- return
- (x>>24)
- | ((x>>8) & 0xff00)
- | ((x<<8) & 0xff0000)
- | (x<<24);
- }
- #endif
-