diff --git a/main.s b/main.s
new file mode 100644
index 0000000..77190a6
--- /dev/null
+++ b/main.s
@@ -0,0 +1,7 @@
+.syntax unified
+.thumb
+.global main
+
+main:
+    movs r0, #42       @ Load immediate value 42 into register R0
+    bx lr              @ Return from subroutine