- Changed the SCROLLTYPE define so that any extra bits set cause it to default

to 7. This effects action.wad, MAP02, lines 12054 and 12059, which had them
  at 128, so they no longer scrolled in r832+.


SVN r1815 (trunk)

docs/rh-log.txt

@@ -1,3 +1,8 @@
+September 10, 2009
+- Changed the SCROLLTYPE define so that any extra bits set cause it to default
+  to 7. This effects action.wad, MAP02, lines 12054 and 12059, which had them
+  at 128, so they no longer scrolled in r832+.
+
 September 9, 2009
 - Look for files in Mac-like places on Macs.
 - Fixed: The non-Windows CreatePath can fail if part of the path already

src/p_spec.cpp

@@ -1311,7 +1311,7 @@ DScroller::DScroller (fixed_t dx, fixed_t dy, const line_t *l,
 
 // Amount (dx,dy) vector linedef is shifted right to get scroll amount
 #define SCROLL_SHIFT 5
-#define SCROLLTYPE(i) ((i)<=0 ? 7:(i))
+#define SCROLLTYPE(i) (((i) <= 0) || ((i) & ~7) ? 7 : (i))
 
 // Initialize the scrollers
 static void P_SpawnScrollers(void)