差分
Emacs
,(define-key tetris-mode-map " " 'tetris-move-bottom)
(define-key tetris-mode-map [left] 'tetris-move-left)
(define-key tetris-mode-map [righ tright] 'tetris-move-right)
(define-key tetris-mode-map [up] 'tetris-rotate-prev)
(define-key tetris-mode-map [down] 'tetris-rotate-next)