diff --git a/src/spider/runtime/cpu/CPU.cpp b/src/spider/runtime/cpu/CPU.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/spider/runtime/memory/RAM.cpp b/src/spider/runtime/memory/RAM.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/spider/runtime/memory/RAM.hpp b/src/spider/runtime/memory/RAM.hpp
index 0688ae4..9d07316 100644
--- a/src/spider/runtime/memory/RAM.hpp
+++ b/src/spider/runtime/memory/RAM.hpp
@@ -19,12 +19,18 @@ namespace spider {
 
         ~RAM();
 
-    public:
+    public: // Unsafe access
 
         u8& operator[](u64 i);
 
         u8 operator[](u64 i) const;
 
+    public: // managed access (oob = 0)
+
+        u8& at(u64 i);
+
+        u8 at(u64 i) const;
+
     };
 
 }
\ No newline at end of file