diff --git a/wip-hugo/macros/16aritmatic.s b/wip-hugo/macros/16aritmatic.s
index 0f41cc9..62184b0 100755
--- a/wip-hugo/macros/16aritmatic.s
+++ b/wip-hugo/macros/16aritmatic.s
@@ -101,10 +101,10 @@
 .macro Mult_16 low_, hi_, NOT_ROL
 ;; IF NOT_ROL
 .ifblank fast_unsafe
-        ASL low_
+        ROL low_
         ROL hi_
 .else
-        ROL low_
+        ASL low_
 	ROL hi_
 .endif
 .endmacro