+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.
;;; 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
(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)