Spectrum ASCII keyboard layout
                                           ==============================
                            Slightly modified RS2376 ASCII Keyboard (Part Num RS336-703)

    +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+        +-----+-----+-----+-----+
    |     |  !  |  "  |  #  |  $  |  %  |  &  |  '  |  (  |  )  |     |  =  |  ~  | (LF)| (BS)|        |     |     |     |     |
    |  _  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  ^  | CAPS|GRAPH|        |  7  |  8  |  9  |  UP |
 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+     +-----+-----+-----+-----+
 | ESC |(TAB)|  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  £  |  {  |     |     |     |     |     |     |     |
 |     | EXT |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  @  |  [  | REP | DEL |     |  4  |  5  |  6  | DWN |
 ++-+--++----++----++----++----++----++----++----++----++----++----++----++----++----++----+-----+-+   +-----+-----+-----+-----+
  |     | CAPS|  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  +  |  *  |  }  |            |   |     |     |     |     |
  | CTRL| LOCK|  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  :  |  ]  |   RETURN   |   |  1  |  2  |  3  | LEFT|
+-+-----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+-+----------+   +-----+-----+-----+-----+
|          |  |  |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  <  |  >  |  ?  |          |              |     |     |     |     |
|  SHIFT   |  \  |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |   SHIFT  |              | EDIT|  0  | HOME|RIGHT|
+----------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----------+              +-----+-----+-----+-----+
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                       +-----------------------------------------------+

Notes:
   Top line: Shift+key            Ctrl-@:      (C)        Function keys: &80+(Ctrl AND &20)+(Shift AND &10)+Keynum
Bottom line: unshifted key        Ctrl-letter: UDGs