diff --git a/projects/04/tests/loop.asm b/projects/04/tests/loop.asm
new file mode 100644
index 0000000..5fd0099
--- /dev/null
+++ b/projects/04/tests/loop.asm
@@ -0,0 +1,18 @@
+@8191
+D=A     //8191 in D
+@endpos //endpos
+M=D     //bekommt 8191
+
+//@0
+D=0
+@actpos
+M=D
+
+//temp
+D=-1
+@color
+M=D
+(LOOP)
+@actpos
+D=M
+@endpos