1 files changed, 52 insertions, 0 deletions
diff --git a/demos/3rdparty/doom/m_swap.h b/demos/3rdparty/doom/m_swap.h
new file mode 100644
index 00000000..86f6e0a1
--- /dev/null
+++ b/demos/3rdparty/doom/m_swap.h
@@ -0,0 +1,52 @@
+// 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.
+//
+// DESCRIPTION:
+//	Endianess handling, swapping 16bit and 32bit.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __M_SWAP__
+#define __M_SWAP__
+
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+
+// Endianess handling.
+// WAD files are stored little endian.
+#ifdef __BIG_ENDIAN__
+short	SwapSHORT(short);
+long	SwapLONG(long);
+#define SHORT(x)	((short)SwapSHORT((unsigned short) (x)))
+#define LONG(x)         ((long)SwapLONG((unsigned long) (x)))
+#else
+#define SHORT(x)	(x)
+#define LONG(x)         (x)
+#endif
+
+
+
+
+#endif
+//-----------------------------------------------------------------------------
+//
+// $Log:$
+//
+//-----------------------------------------------------------------------------