diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..68e832a223
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "n64splitter"]
+	path = n64splitter
+	url = https://github.com/RetroReversing/sm64tools.git
diff --git a/n64splitter b/n64splitter
new file mode 160000
index 0000000000..03bf5dcc73
--- /dev/null
+++ b/n64splitter
@@ -0,0 +1 @@
+Subproject commit 03bf5dcc736ddc9c431ec772c2db6aa3f5ec66f0