diff --git a/TODO b/TODO
index df5d2f1..76480b7 100644
--- a/TODO
+++ b/TODO
@@ -13,3 +13,4 @@ VolksForth TODO
  * implement recognizders
  * implement mwords (Martin Bitter)
  * implement MARKER and CORNERSTONE
+ * implement pseudo register (from ColorForth) A/B