diff --git a/mach/z8000/libem/Makefile b/mach/z8000/libem/Makefile
index e0be3b1ef..486aa5d73 100644
--- a/mach/z8000/libem/Makefile
+++ b/mach/z8000/libem/Makefile
@@ -8,3 +8,10 @@ cmp:
 		-../../compare tail_em.s.a tail_em
 
 clean:
+
+opr :
+	make pr | opr
+
+pr:
+	@pr head_em.s
+	@arch pv tail_em.s.a | pr -h `pwd`/tail_em.s.a