diff --git a/right/util.c b/right/util.c
new file mode 100644
index 0000000..e69de29
diff --git a/right/util.h b/right/util.h
new file mode 100644
index 0000000..37376f2
--- /dev/null
+++ b/right/util.h
@@ -0,0 +1,9 @@
+#ifndef __UTIL_H__
+#define __UTIL_H__
+
+// Macros:
+
+    #define GET_MSB_OF_WORD(word) ((uint8_t)(word >> 8))
+    #define GET_LSB_OF_WORD(word) ((uint8_t)(word & 0xff))
+
+#endif