X-Git-Url: http://git.kpe.io/?p=reversi.git;a=blobdiff_plain;f=io.lisp;h=635f90c0c76aa46ca8dc998d00e503183e804974;hp=1d3d2c81781eccb6169b1b3d61467e83b981637d;hb=d92820d39c18a373611b5bfb018631cffe3e4bcd;hpb=20c849f483c381f84eae22eee807280c8d00e554

diff --git a/io.lisp b/io.lisp
index 1d3d2c8..635f90c 100644
--- a/io.lisp
+++ b/io.lisp
@@ -8,7 +8,7 @@
 ;;;;  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 1.6 2003/06/17 05:47:18 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2001-2003 by Kevin M. Rosenberg 
 ;;;; and Copyright (c) 1998-2002 Peter Norvig
@@ -26,6 +26,7 @@
         (cross-product #'concat-symbol
                        '(? A B C D E F G H ?)
                        '(? 1 2 3 4 5 6 7 8 ?))))
+  (declare (type list square-names))
 
   (defun h8->88 (str)
     "Convert from alphanumeric to numeric square notation."
@@ -35,7 +36,7 @@
   (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)