diff --git a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_LoadStore.cpp b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_LoadStore.cpp
index c83b796bca..6687b5a7b2 100644
--- a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_LoadStore.cpp
+++ b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_LoadStore.cpp
@@ -579,30 +579,43 @@ void stwbrx(UGeckoInstruction _inst)
 }
 
 
-// The following two instructions are for inter-cpu communications. On a single CPU, they cannot
-// fail unless an interrupt happens in between, which usually won't happen with the JIT, so we just pretend 
-// they are regular loads and stores for now. If this proves to be a problem, we could add a reservation flag.
+// The following two instructions are for inter-cpu communications. On a single
+// CPU, they cannot
+// fail unless an interrupt happens in between, which usually won't happen with
+// the JIT.
+bool g_bReserve = false;
+u32  g_reserveAddr;
+    
 void lwarx(UGeckoInstruction _inst)
 {
-	m_GPR[_inst.RD] = Memory::Read_U32(Helper_Get_EA_X(_inst));
-	//static bool bFirst = true;
-	//if (bFirst)
-	//	MessageBox(NULL, "lwarx", "Instruction unimplemented", MB_OK);
-	//bFirst = false;
+        u32 uAddress = Helper_Get_EA_X(_inst);
+
+	m_GPR[_inst.RD] = Memory::Read_U32(uAddress);
+        g_bReserve = true;
+        g_reserveAddr = uAddress;
 }
 
 void stwcxd(UGeckoInstruction _inst)
 {
 	// This instruction, too
-	static bool bFirst = true;
-	if (bFirst)
-		PanicAlert("stwcxd - suspicious instruction");
+        //PanicAlert("stwcxd - suspicious instruction");
+    
+        // Stores Word Conditional indeXed
+    
+        u32 uAddress;
 
-	// TODO: Stores Word Conditional indeXed
-
-	bFirst = false;
-	u32 uAddress = Helper_Get_EA_X(_inst);
-	Memory::Write_U32(m_GPR[_inst.RS], uAddress);
+        if(g_bReserve) {
+            uAddress = Helper_Get_EA_X(_inst);
+            if(uAddress == g_reserveAddr) {
+                Memory::Write_U32(m_GPR[_inst.RS], uAddress);
+                g_bReserve = false;
+                
+                return;
+            }
+                
+        }
+        
+        // TODO: Set CR0 to IS_XER_SO
 }
 
 void stwux(UGeckoInstruction _inst)