%%HP: T(3)A(D)F(.);
@ by Jake Schwartz.
@ Requires PARENT to be in memory.
@ This is a "smarter UPDIR", somewhat like the HP-42's EXIT;
@   it allows easier navigation through directories.
@ Does not handle custom menus correctly; intended for built-in menus only.

\<< RCLMENU IP 1 + 61 MIN DUP
  IF 3 SAME
  THEN DROP UPDIR
  ELSE PARENT SWAP GET MENU
  END
\>>