diff --git a/.gitmodules b/.gitmodules
new file mode 100644
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--- /dev/null
+++ b/.gitmodules
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+[submodule "RomSignatureObject"]
+	path = RomSignatureObject
+	url = https://github.com/gaseous-project/RomSignatureObject.git
diff --git a/RomSignatureObject b/RomSignatureObject
new file mode 160000
index 0000000..970955e
--- /dev/null
+++ b/RomSignatureObject
@@ -0,0 +1 @@
+Subproject commit 970955e3da09bb557cd9bdb9ce855dbc51f116eb