;;;; Programer: Kevin Rosenberg based on code by Peter Norvig
;;;; Date Started: 1 Nov 2001
;;;;
-;;;; $Id: io.lisp,v 1.4 2003/06/12 12:42:13 kevin Exp $
+;;;; $Id: io.lisp,v 1.5 2003/06/12 13:28:55 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2001-2003 by Kevin M. Rosenberg
;;;; and Copyright (c) 1998-2002 Peter Norvig
(cross-product #'concat-symbol
'(? A B C D E F G H ?)
'(? 1 2 3 4 5 6 7 8 ?))))
+ (declaim (type list square-names))
(defun h8->88 (str)
"Convert from alphanumeric to numeric square notation."
(defun 88->h8 (num)
"Convert from numeric to alphanumeric square notation."
(if (valid-p num)
- (elt square-names num)
+ (nth num square-names)
num)))
(defun moves-to-string (moves)