diff --git a/examples/B21.s b/examples/B21.s
new file mode 100644
index 0000000000000000000000000000000000000000..a4af4fc40fed1475a80c54982dc0545d426e5f0a
--- /dev/null
+++ b/examples/B21.s
@@ -0,0 +1,6 @@
+MOV R5 5
+MOV R0 1
+
+LDR R4 R0 65535
+
+RET R5