diff --git a/include/PSX/System/IOPorts/cd_io.hpp b/include/PSX/System/IOPorts/cd_io.hpp
new file mode 100644
index 00000000..ecd6d0e8
--- /dev/null
+++ b/include/PSX/System/IOPorts/cd_io.hpp
@@ -0,0 +1,11 @@
+#ifndef __JABYENGINE_CD_IO_HPP__
+#define __JABYENGINE_CD_IO_HPP__
+#include "ioport.hpp"
+
+namespace JabyEngine {
+    namespace CD_IO {
+        
+    }
+}
+
+#endif //!__JABYENGINE_CD_IO_HPP__
\ No newline at end of file
diff --git a/src/Library/include/CD/cd_internal.hpp b/src/Library/include/CD/cd_internal.hpp
index 5c08fd09..51ef7239 100644
--- a/src/Library/include/CD/cd_internal.hpp
+++ b/src/Library/include/CD/cd_internal.hpp
@@ -1,10 +1,12 @@
-#ifndef __JABYENGINE_CD_HPP__
-#define __JABYENGINE_CD_HPP__
+#ifndef __JABYENGINE_CD_INTERNAL_HPP__
+#define __JABYENGINE_CD_INTERNAL_HPP__
 #include <stdint.h>
 
 namespace JabyEngine {
     namespace CD {
-        namespace internal {}
+        namespace internal {
+            
+        }
     }
 }
-#endif //!__JABYENGINE_CD_HPP__
\ No newline at end of file
+#endif //!__JABYENGINE_CD_INTERNAL_HPP__
\ No newline at end of file
diff --git a/src/Library/include/GPU/gpu_internal.hpp b/src/Library/include/GPU/gpu_internal.hpp
index c4a9d432..3a9b227f 100644
--- a/src/Library/include/GPU/gpu_internal.hpp
+++ b/src/Library/include/GPU/gpu_internal.hpp
@@ -1,5 +1,5 @@
-#ifndef __JABYENGINE_INTERNAL_GPU_HPP__
-#define __JABYENGINE_INTERNAL_GPU_HPP__
+#ifndef __JABYENGINE_GPU_INTERNAL_HPP__
+#define __JABYENGINE_GPU_INTERNAL_HPP__
 #include <PSX/GPU/gpu.hpp>
 #include <PSX/System/IOPorts/dma_io.hpp>
 #include <PSX/System/IOPorts/gpu_io.hpp>
@@ -117,4 +117,4 @@ namespace JabyEngine {
     }
 }
 
-#endif //!__JABYENGINE_INTERNAL_GPU_HPP__
\ No newline at end of file
+#endif //!__JABYENGINE_GPU_INTERNAL_HPP__
\ No newline at end of file
diff --git a/src/Library/src/CD/cd.cpp b/src/Library/src/CD/cd.cpp
new file mode 100644
index 00000000..2027f2f6
--- /dev/null
+++ b/src/Library/src/CD/cd.cpp
@@ -0,0 +1,10 @@
+#include "../../include/CD/cd_internal.hpp"
+
+namespace JabyEngine {
+    namespace CD {
+        
+        namespace internal {
+
+        }
+    }
+}
\ No newline at end of file