--- a/spritecache.c	Sat Sep 10 07:38:03 2005 +0000
+++ b/spritecache.c	Sat Sep 10 08:17:30 2005 +0000
@@ -155,6 +155,14 @@
 	return true;
 }
 
+
+void DupSprite(SpriteID old, SpriteID new)
+{
+	_sprite_file_pos[new] = _sprite_file_pos[old];
+	_sprite_ptr[new] = NULL;
+}
+
+
 void SkipSprites(uint count)
 {
 	for (; count > 0; --count) {