BBC keyboard layout
                                              ===================

            +-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
            |     ||     ||     ||     ||     ||     ||     ||     ||     ||     ||     |
            | f0  || f1  || f2  || f3  || f4  || f5  || f6  || f7  || f8  || f9  ||BREAK|
            +-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
  +-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
  |     ||  !  ||  "  ||  #  ||  $  ||  %  ||  &  ||  '  ||  (  ||  )  ||     ||  =  ||  ~  ||  |  ||     ||     |
  | ESC ||  1  ||  2  ||  3  ||  4  ||  5  ||  6  ||  7  ||  8  ||  9  ||  0  ||  -  ||  ^  ||  \  || LEFT||RIGHT|
  +-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
  +-------++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
  |       ||  Q  ||  W  ||  E  ||  R  ||  T  ||  Y  ||  U  ||  I  ||  O  ||  P  ||     ||  {  ||  `  ||     ||     |
  |  TAB  ||  q  ||  w  ||  e  ||  r  ||  t  ||  y  ||  u  ||  i  ||  o  ||  p  ||  @  ||  [  ||  _  ||  UP || DOWN|
  +-------++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----+
+-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----------+
| CAPS||     ||  A  ||  S  ||  D  ||  F  ||  G  ||  H  ||  J  ||  K  ||  L  ||  +  ||  *  ||  }  ||           |
| LOCK|| CTRL||  a  ||  s  ||  d  ||  f  ||  g  ||  h  ||  j  ||  k  ||  l  ||  ;  ||  :  ||  ]  ||   RETURN  |
+-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----------+
+-----++--------++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++---------++-----++-----+
|SHIFT||        ||  Z  ||  X  ||  C  ||  V  ||  B  ||  N  ||  M  ||  <  ||  >  ||  ?  ||         ||     ||     |
| LOCK||  SHIFT ||  z  ||  x  ||  c  ||  v  ||  b  ||  n  ||  m  ||  ,  ||  .  ||  /  ||  SHIFT  || DEL || COPY|
+-----++--------++-----++-----++-----++-----++-----++-----++-----++-----++-----++-----++---------++-----++-----+
                        +------------------------------------------------------+
                        |                                                      |
                        +------------------------------------------------------+
Notes:
   Top line: Shift+key
Bottom line: unshifted key