diff --git a/src/include/util.pas b/src/include/util.pas
index e8f7741d..33218df1 100644
--- a/src/include/util.pas
+++ b/src/include/util.pas
@@ -60,6 +60,10 @@ procedure resetSystem();
 
 function getESP : uint32;
 
+function RolDWord(AValue : uint32; Dist : uint8) : uint32;
+
+function RorDWord(AValue : uint32; Dist : uint8) : uint32;
+
 function MsSinceSystemBoot : uint64;
 
 var