diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..099112b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "sources/freemint"]
+	path = sources/freemint
+	url = https://github.com/freemint/freemint
+[submodule "sources/emutos"]
+	path = sources/emutos
+	url = https://github.com/emutos/emutos
diff --git a/sources/emu_src.zip b/sources/emu_src.zip
deleted file mode 100644
index 6915353..0000000
Binary files a/sources/emu_src.zip and /dev/null differ
diff --git a/sources/emutos b/sources/emutos
new file mode 160000
index 0000000..777991d
--- /dev/null
+++ b/sources/emutos
@@ -0,0 +1 @@
+Subproject commit 777991d4390cf4d6a562c251715640a4e6a6619d
diff --git a/sources/freemint b/sources/freemint
new file mode 160000
index 0000000..ec33ec2
--- /dev/null
+++ b/sources/freemint
@@ -0,0 +1 @@
+Subproject commit ec33ec29b4bcf62d47986f9758d9c4c10ba85a18