1 files changed, 4 insertions, 0 deletions
diff --git a/cipher.sts b/cipher.sts
index 0f20470..72d941e 100644
--- a/cipher.sts
+++ b/cipher.sts
@@ -4,6 +4,10 @@ defword ciphernew
     0
 exit
 
+defword mod
+    swap / drop
+exit
+
 defword cipher ; ... passwd plen ppos key
     3 get 2 get + @ xor      ; key = key ^ passwd[ppos]
     over 1 + 3 get mod 2 set ; ppos = (ppos + 1) % plen