--- ../SrcShared/EmScreen.h.orig	Fri Mar 30 07:51:38 2001
+++ ../SrcShared/EmScreen.h	Fri Mar 30 07:54:33 2001
@@ -50,6 +50,8 @@
 		static void 			Dispose 			(void);
 
 		static void 			MarkDirty			(emuptr address, uint32 size);
+		static Bool 			IsDirty			();
+
 		static void 			InvalidateAll		(void);
 
 		static Bool 			GetBits 			(EmScreenUpdateInfo&);