diff --git a/.gitmodules b/.gitmodules
index 04e89d82..c39bcd21 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -25,3 +25,6 @@
 [submodule "tools/tv11"]
 	path = tools/tv11
 	url = https://github.com/aap/tv11
+[submodule "tools/simlac"]
+	path = tools/simlac
+	url = https://github.com/livingcomputermuseum/sImlac
diff --git a/tools/simlac b/tools/simlac
new file mode 160000
index 00000000..d33cc3d1
--- /dev/null
+++ b/tools/simlac
@@ -0,0 +1 @@
+Subproject commit d33cc3d1669f3cbfe927b7a9c95723a60c0b4ebb