1 files changed, 3 insertions, 0 deletions

diff --git a/emulator.c b/emulator.c
index bd16f76..21b9c94 100644
--- a/emulator.c
+++ b/emulator.c
@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: Unlicense
+ */
+
 #include "bus.h"
 
 #include <stdio.h>