; Here's the pieces to display
-(setq stack '("*" "**" "***" "****" "*****" "******" "*******"))
-
-(setq top (+ (length stack) 3))
+(setq stack '(" * " " *** " " ***** " " ******* " " ********* " "***********"))
;
; Here's all of the stacks of pieces
)
)
(t (progn
- (display-string x y " ")
+ (display-string x y " ")
(display-stack x (1+ y) (1- clear) stack)
)
)
)
)
-; This should probably be included in the rom image...
-
-(defun length (list)
- (cond (list (1+ (length (cdr list))))
- (0)
- )
- )
-
; Position of the top of the stack on the screen
; Shorter stacks start further down the screen
(defun reset-stacks ()
(setq stacks (list stack nil nil))
+ (setq top (+ (length stack) 3))
(length stack)
)
)
)
-(defun nth (list n)
- (cond ((= n 0) (car list))
- ((nth (cdr list) (1- n)))
- )
- )
-
; Replace a stack in the list of stacks
; with a new value