Contribute correction: DISK CURSUS MSX

  _____      ___      ____      _____   
 / ____||   / _ \\   |  _ \\   |  ___|| 
/ //---`'  / //\ \\  | |_| ||  | ||__   
\ \\___   |  ___  || | .  //   | ||__   
 \_____|| |_||  |_|| |_|\_\\   |_____|| 
  `----`  `-`   `-`  `-` --`   `-----`