(bb-right): Respect prefix argument.

(bb-left, bb-up, bb-down): Likewise.

2 files changed, 26 insertions, 21 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1730550dc9b..e54ec8ab5ae 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2002-09-19  Tom Tromey  <tromey@redhat.com>
+
+        * play/blackbox.el (bb-right): Respect prefix argument.
+        (bb-left, bb-up, bb-down): Likewise.
+
 2002-09-19  Richard M. Stallman  <rms@gnu.org>
 
         * cus-dep.el (custom-make-dependencies): Fix previous change.
diff --git a/lisp/play/blackbox.el b/lisp/play/blackbox.el
index ea709106e81..bb5aa0b3c1f 100644
--- a/lisp/play/blackbox.el
+++ b/lisp/play/blackbox.el
@@ -1,6 +1,6 @@
 ;;; blackbox.el --- blackbox game in Emacs Lisp
 
-;; Copyright (C) 1985, 1986, 1987, 1992, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1987, 1992, 2001, 2002 Free Software Foundation, Inc.
 
 ;; Author: F. Thomas May <uw-nsr!uw-warp!tom@beaver.cs.washington.edu>
 ;; Adapted-By: ESR
@@ -275,33 +275,33 @@ a reflection."
     (insert (format "\nThere are %d balls in the box" (length bb-board)))
     ))
 
-(defun bb-right ()
-  (interactive)
-  (if (= bb-x 8)
-      ()
+(defun bb-right (count)
+  (interactive "p")
+  (while (and (> count 0) (< bb-x 8))
     (forward-char 2)
-    (setq bb-x (1+ bb-x))))
+    (setq bb-x (1+ bb-x))
+    (setq count (1- count))))
 
-(defun bb-left ()
-  (interactive)
-  (if (= bb-x -1)
-      ()
+(defun bb-left (count)
+  (interactive "p")
+  (while (and (> count 0) (> bb-x -1))
     (backward-char 2)
-    (setq bb-x (1- bb-x))))
+    (setq bb-x (1- bb-x))
+    (setq count (1- count))))
 
-(defun bb-up ()
-  (interactive)
-  (if (= bb-y -1)
-      ()
+(defun bb-up (count)
+  (interactive "p")
+  (while (and (> count 0) (> bb-y -1))
     (previous-line 1)
-    (setq bb-y (1- bb-y))))
+    (setq bb-y (1- bb-y))
+    (setq count (1- count))))
 
-(defun bb-down ()
-  (interactive)
-  (if (= bb-y 8)
-      ()
+(defun bb-down (count)
+  (interactive "p")
+  (while (and (> count 0) (< bb-y 8))
     (next-line 1)
-    (setq bb-y (1+ bb-y))))
+    (setq bb-y (1+ bb-y))
+    (setq count (1- count))))
 
 (defun bb-eol ()
   (interactive)