X-Git-Url: http://git.kpe.io/?p=reversi.git;a=blobdiff_plain;f=io.lisp;h=3de7a2aeb202a47f3bb6cd390ac5a6f07ed4befe;hp=1d3d2c81781eccb6169b1b3d61467e83b981637d;hb=HEAD;hpb=20c849f483c381f84eae22eee807280c8d00e554

diff --git a/io.lisp b/io.lisp
index 1d3d2c8..3de7a2a 100644
--- a/io.lisp
+++ b/io.lisp
@@ -2,15 +2,15 @@
 ;;;;***************************************************************************
 ;;;;
 ;;;; FILE IDENTIFICATION
-;;;; 
+;;;;
 ;;;;  Name:           io.lisp
 ;;;;  Purpose:        Basic Input-Output for reversi
 ;;;;  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 $
+;;;; $Id$
 ;;;;
-;;;; This file is Copyright (c) 2001-2003 by Kevin M. Rosenberg 
+;;;; This file is Copyright (c) 2001-2003 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1998-2002 Peter Norvig
 ;;;;
 ;;;; Reversi users are granted the rights to distribute and use this software
@@ -22,10 +22,11 @@
 
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
-(let ((square-names 
+(let ((square-names
         (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."
@@ -35,17 +36,17 @@
   (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)
   (let (move-list)
     (dotimes (i (length moves))
       (push (format nil "~2d: ~a ~a~%"
-		    (1+ i)
-		    (title-of (nth 1 (elt moves i)))
-		    (symbol-name (88->h8 (nth 0 (elt moves i)))))
-	    move-list))
+                    (1+ i)
+                    (title-of (nth 1 (elt moves i)))
+                    (symbol-name (88->h8 (nth 0 (elt moves i)))))
+            move-list))
     (setq move-list (nreverse move-list))
     (list-to-delimited-string move-list #\space))))
 
@@ -83,5 +84,5 @@
     (format nil "~2d:~2,'0d" min sec)))
 
 
-       
-    
+
+