Spectrum Plus keyboard layout when running BBC BASIC
                ====================================================

+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+---------+
|     |     |COPY |CAPS | &83 | &84 |LEFT |DOWN | UP  |RIGHT| &89 | DEL |         |
| &83 | &84 |  !  |  @  |  #  |  $  |  %  |  &  |  '  |  (  |  )  |  _  | ESCAPE  |
|     |     |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |         |
+-----+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-----+
|         |     |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |     |
| DELETE  | &89 | &85 | &86 | &87 |  <  |  >  |  [  |  ]  | &88 |  ;  |  "  |     |
|         |     |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |     |
+---------+-----+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+     |
|         |       |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |         |
|   TAB   | COPY  |  ~  |  |  |  \  |  {  |  }  |  ^  |  -  |  +  |  =  |  ENTER  |
|         |       |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |         |
+---------+---+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+---------+
|             |     |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |     |             |
|    SHIFT    |CAPS |  :  |  `  |  ?  |  /  |  *  |  ,  |  .  |  .  |    SHIFT    |
|             |     |  z  |  x  |  c  |  v  |  b  |  n  |  m  |     |             |
+-----+-----+-+---+-+---+-+---+-+-----+-----+-----+-----+-+---+-+---+-+-----+-----+
|     |     |     |     |     |                           |     |     |     |     |
| SYM |  ;  |  "  |LEFT |RIGHT|           SPACE           | UP  |DOWN |  ,  | SYM |
|     |     |     |     |     |                           |     |     |     |     |
+-----+-----+-----+-----+-----+---------------------------+-----+-----+-----+-----+

CODE Key   Legend  ASC   CODE Key    Legend  ASC   CODE Key   Legend  ASC
 04  Sh-3  TRUE    83     0A  Sh-6   DOWN    8E
 05  Sh-4  INV     84     0B  Sh-7   UP      8F     C7  Sym-Q <=      85
 06  Sh-2  CAPS    **     0C  Sh-0   DELETE  7F     C9  Sym-W <>      86
 07  Sh-1  COPY    8B     0D  ENTER  ENTER   0D     C8  Sym-E >=      87
 08  Sh-5  LEFT    8C     0E  Sh-Sym EXTEND  09     AC  Sym-I AT      88
 09  Sh-8  RIGHT   8D     0F  Sh-9   GRAPH   89