diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..92ded84
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/test/resources/65x02_unit_tests"]
+	path = src/test/resources/65x02_unit_tests
+	url = https://github.com/SingleStepTests/65x02
diff --git a/src/test/resources/65x02_unit_tests b/src/test/resources/65x02_unit_tests
new file mode 160000
index 0000000..3ecec7e
--- /dev/null
+++ b/src/test/resources/65x02_unit_tests
@@ -0,0 +1 @@
+Subproject commit 3ecec7e679e629622019707655416b8767a65f95