                                                    Apple II Keyboard
                                                    =================

      <----------------------------------------------------Apple IIgs---------------------------------------------------->
      <-------------------------------------Apple IIe/IIc------------------------------------->
      +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+---------+  +-----+-----+-----+-----+
      |     |  !  |  @  |  #  |  $  |  %  |  ^  |  &  |  *  |  (  |  )  |  _  |  +  |         |  |     |     |     |     |
      | ESC |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  | DELETE  |  |CLEAR|  =  |  /  |  *  |
      +-----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+------+  +-----+-----+-----+-----+
      |        |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  {  |  }  |      |  |     |     |     |     |
      |  TAB   |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  [  |  ]  |      |  |  7  |  8  |  9  |  -  |
      +--------+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+      |  +-----+-----+-----+-----+
      |          |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  :  |  "  |          |  |     |     |     |     |
      |  CONTROL |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  '  |  RETURN  |  |  4  |  5  |  6  |  +  |
      +----------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+----------+  +-----+-----+-----+-----+
      |             |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  <  |  >  |  ?  |             |  |     |     |     |  E  |
      |  SHIFT      |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |    SHIFT    |  |  1  |  2  |  3  |  N  |
      +-----+-----+-+-----+--+--+--+--+-----+-----+-----+-----+-+---+-+---+-+---+-+-----+-----+  +-----+-----+-----+  T  |
      |CAPS |SOLID|   OPEN   |  ~  |                            |  |  |     |     |     |     |  |           |     |  E  |
      |LOCK |APPLE|  APPLE   |  `  |          SPACE             |  \  | Lft | Rgt | Dwn | Up  |  |     0     |  .  |  R  |
      +-----+-----+----------+-----+----------------------------+-----+-----+-----+-----+-----+  +-----------+-----+-----+


                                           Keycodes when running Applecorn MOS
                                           -----------------------------------
      <----------------------------------------------------Apple IIgs---------------------------------------------------->
      <-------------------------------------Apple IIe/IIc------------------------------------->
      +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+---------+  +-----+-----+-----+-----+
L+R   | &1B | &A1 | &A2 | &A3 | &A4 | &A5 | &A6 | &A7 | &A8 | &A9 | &A0 |  -  |  =  |   &1F   |  | &1B | &AC | &AF | &AA |
Rapp  | &1B | &91 | &92 | &93 | &94 | &95 | &96 | &97 | &98 | &99 | &90 |  -  |  =  |   &1F   |  | &1B | &9C | &9F | &9A |
Lapp  | &1B | &81 | &82 | &83 | &84 | &85 | &86 | &87 | &88 | &89 | &80 |  -  |  =  |   &1F   |  | &1B | &8C | &8F | &8A |
ctrl  | &1B |  !  | &00 |  3  |  4  |  5  | &1E |  7  |  *  |  (  |  )  | &1F |  =  |   &7F   |  | &1B | &AC | &AF | &AA |
shift | &1B |  !  |  @  |  #  |  $  |  %  |  ^  |  &  |  *  |  (  |  )  |  _  |  +  |   &7F   |  | &1B | &9C | &9F | &9A |
key   | &1B |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |   &7F   |  | &1B | &8C | &8F | &8A |
      +-----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+------+  +-----+-----+-----+-----+
L+R   |  &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |      |  | &A7 | &A8 | &A9 | &AD |
Rapp  |  &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |      |  | &97 | &98 | &99 | &9D |
Lapp  |  &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |      |  | &87 | &88 | &89 | &8D |
ctrl  |  &E9   | &11 | &17 | &05 | &12 | &14 | &19 | &CD | &C9 | &0F | &10 | &1B | &1D |      |  | &A7 | &A8 | &A9 | &AD |
shift |  &D9   |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  {  |  }  |      |  | &97 | &98 | &99 | &9D |
key   |  &C9   |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  [  |  ]  |      |  | &87 | &88 | &89 | &8D |
      +--------+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+      |  +-----+-----+-----+-----+
L+R   |          | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |   &0D    |  | &A4 | &A5 | &A6 | &AB |
Rapp  |          | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |   &0D    |  | &94 | &95 | &96 | &9B |
Lapp  |          | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |   &0D    |  | &84 | &85 | &86 | &8B |
ctrl  |          | &01 | &13 | &04 | &06 | &07 | &CC | &CE | &CF | &0C |  ;  |  '  |   &0D    |  | &A4 | &A5 | &A6 | &AB |
shift |          |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  :  |  "  |   &0D    |  | &94 | &95 | &96 | &9B |
key   |  CONTROL |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  '  |   &0D    |  | &84 | &85 | &86 | &8B |
      +----------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+----------+  +-----+-----+-----+-----+
L+R   |             | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |             |  | &A1 | &A2 | &A3 |     |
Rapp  |             | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |             |  | &91 | &92 | &93 |     |
Lapp  |             | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |             |  | &81 | &82 | &83 |     |
ctrl  |             | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |             |  | &A1 | &A2 | &A3 |     |
shft  |             |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  <  |  >  |  ?  |             |  | &91 | &92 | &93 |     |
key   |  SHIFT      |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |    SHIFT    |  | &81 | &82 | &83 |     |
      +-----+-----+-+-----+--+--+--+--+-----+-----+-----+-----+-+---+-+---+-+---+-+-----+-----+  +-----+-----+-----+     |
L+R   |     |     |          | &00 |           &20              | &1C | &08 | &15 | &0A | &0B |  |    &A0    | &AE | &0D |
Rapp  |     |     |          | &00 |           &20              | &1C | &08 | &15 | &0A | &0B |  |    &90    | &9E | &0D |
Lapp  |     |     |          | &00 |           &20              | &1C | &08 | &15 | &0A | &0B |  |    &80    | &8E | &0D |
ctrl  |     |     |          |  `  |           &20              | &1C | &DC | &DD | &EE | &EF |  |    &A0    | &AE | &0D |
shift |CAPS |SOLID|   OPEN   |  ~  |           &20              |  |  | &DC | &DD | &DE | &DF |  |    &90    | &9E | &0D |
key   |LOCK |APPLE|  APPLE   |  `  |           &20              |  \  | &CC | &CD | &CE | &CF |  |    &80    | &8E | &0D |
      +-----+-----+----------+-----+----------------------------+-----+-----+-----+-----+-----+  +-----------+-----+-----+
                                             With TAB set to &09 with *FX219,9 and keypad base set to &80 with *FX238,128.


                                                          AppleII ADB Extended Keyboard
                                                          =============================
      +-----+    +-----+-----+-----+-----+   +-----+-----+-----+-----+   +-----+-----+-----+-----+  +-----+-----+-----+                    +-----+
      |     |    |     |     |     |     |   |     |     |     |     |   |     |     |     |     |  |     |     |     |   ===   ===   ===  |     |
      | ESC |    | f1  | f2  | f3  | f4  |   | f5  | f6  | f7  | f8  |   | f9  | f10 | f11 | f12 |  | f13 | f14 | f15 |                    |POWER|
      +-----+    +-----+-----+-----+-----+   +-----+-----+-----+-----+   +-----+-----+-----+-----+  +-----+-----+-----+                    +-----+

      +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+------------+  +-----+-----+-----+  +-----+-----+-----+-----+
      |  ~  |  !  |  @  |  #  |  $  |  %  |  ^  |  &  |  *  |  (  |  )  |  _  |  +  |            |  | Ins |     | Pge |  |     |     |     |     |
      |  `  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |   DELETE   |  | Hlp |Home | Up  |  |CLEAR|  =  |  /  |  *  |
      +-----+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+--------+  +-----+-----+-----+  +-----+-----+-----+-----+
      |         |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  {  |  }  |   |    |  |     |     | Pge |  |     |     |     |     |
      |  TAB    |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  [  |  ]  |   \    |  | Del | End | Dwn |  |  7  |  8  |  9  |  -  |
      +---------+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+--------+  +-----+-----+-----+  +-----+-----+-----+-----+
      |           |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  :  |  "  |            |                       |     |     |     |     |
      | CAPS LOCK |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  '  |   RETURN   |                       |  4  |  5  |  6  |  +  |
      +-----------+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+------------+        +-----+        +-----+-----+-----+-----+
      |               |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  <  |  >  |  ?  |              |        |     |        |     |     |     |  E  |
      |  SHIFT        |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |    SHIFT     |        | Up  |        |  1  |  2  |  3  |  N  |
      +---------+-----+-+---+---+-+-----+-----+-----+-----+-----+-----+---+-+-----+-------+------+  +-----+-----+-----+  +-----+-----+-----+  T  |
      |         |       | SOLID |                                         | SOLID |       |      |  |     |     |     |  |           |     |  E  |
      |  CTRL   |OPTION | APPLE |                  SPACE                  | APPLE | OPTION| CTRL |  | Lft | Dwn | Rgh |  |     0     |  .  |  R  |
      +---------+-------+-------+-----------------------------------------+-------+-------+------+  +-----+-----+-----+  +-----------+-----+-----+


                              AppleII Extended Keyboard Keycodes when running Applecorn MOS
                              -------------------------------------------------------------
      +-----+    +-----+-----+-----+-----+   +-----+-----+-----+-----+   +-----+-----+-----+-----+  +-----+-----+-----+                    +-----+
L+R   | &1B |    | &A1 | &A2 | &A3 | &A4 |   | &A5 | &A6 | &A7 | &A8 |   | &A9 | &AA | &AB | &AC |  | &AD | &AE | &AF |                    |POWER|
Rapp  | &1B |    | &91 | &92 | &93 | &94 |   | &95 | &96 | &97 | &98 |   | &99 | &9A | &9B | &9C |  | &9D | &9E | &9F |                    |POWER|
Lapp  | &1B |    | &81 | &82 | &83 | &84 |   | &85 | &86 | &87 | &88 |   | &89 | &8A | &8B | &8C |  | &8D | &8E | &8F |                    |POWER|
ctrl  | &1B |    | &A1 | &A2 | &A3 | &A4 |   | &A5 | &A6 | &A7 | &A8 |   | &A9 | &AA | &AB | &AC |  | &AD | &AE | &AF |                    |POWER|
shift | &1B |    | &91 | &92 | &93 | &94 |   | &95 | &96 | &97 | &98 |   | &99 | &9A | &9B | &9C |  | &9D | &9E | &9F |                    |POWER|
key   | &1B |    | &81 | &82 | &83 | &84 |   | &85 | &86 | &87 | &88 |   | &89 | &8A | &8B | &8C |  | &8D | &8E | &8F |                    |POWER|
      +-----+    +-----+-----+-----+-----+   +-----+-----+-----+-----+   +-----+-----+-----+-----+  +-----+-----+-----+                    +-----+

      +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+------------+  +-----+-----+-----+  +-----+-----+-----+-----+
L+R   | &00 | &A1 | &A2 | &A3 | &A4 | &A5 | &A6 | &A7 | &A8 | &A9 | &A0 |  -  |  =  |     &1F    |  | &E6 | &E8 | &EB |  | &1B | &AC | &AF | &AA |
Rapp  | &00 | &91 | &92 | &93 | &94 | &95 | &96 | &97 | &98 | &99 | &90 |  -  |  =  |     &1F    |  | &D6 | &D8 | &DB |  | &1B | &9C | &9F | &9A |
Lapp  | &00 | &81 | &82 | &83 | &84 | &85 | &86 | &87 | &88 | &89 | &80 |  -  |  =  |     &1F    |  | &C6 | &C8 | &CB |  | &1B | &8C | &8F | &8A |
ctrl  |  `  |  1  | &00 |  3  |  4  |  5  | &1E |  7  |  8  |  9  |  0  | &1F |  =  |     &7F    |  | &E6 | &E8 | &EB |  | &1B | &AC | &AF | &AA |
shift |  ~  |  !  |  @  |  #  |  $  |  %  |  ^  |  &  |  *  |  (  |  )  |  _  |  +  |     &7F    |  | &D6 | &D8 | &DB |  | &1B | &9C | &9F | &9A |
key   |  `  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |     &7F    |  | &C6 | &C8 | &CB |  | &1B | &8C | &8F | &8A |
      +-----+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+--------+  +-----+-----+-----+  +-----+-----+-----+-----+
L+R   |   &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |  &1C   |  | &E7 | &E9 | &EA |  | &A7 | &A8 | &A9 | &AD |
Rapp  |   &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |  &1C   |  | &D7 | &D9 | &DA |  | &97 | &98 | &99 | &9D |
Lapp  |   &09   | &11 | &17 | &05 | &12 | &14 | &19 | &15 | &09 | &0F | &10 | &1B | &1D |  &1C   |  | &C7 | &C9 | &CA |  | &87 | &88 | &89 | &8D |
ctrl  |   &E9   | &11 | &17 | &05 | &12 | &14 | &19 | &CD | &C9 | &0F | &10 | &1B | &1D |  &1C   |  | &E7 | &E9 | &EA |  | &A7 | &A8 | &A9 | &AD |
shift |   &D9   |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  {  |  }  |   |    |  | &D7 | &D9 | &DA |  | &97 | &98 | &99 | &9D |
key   |   &C9   |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  [  |  ]  |   \    |  | &C7 | &C9 | &CA |  | &87 | &88 | &89 | &8D |
      +---------+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+--------+  +-----+-----+-----+  +-----+-----+-----+-----+
L+R   |           | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |    &0D     |                       | &A4 | &A5 | &A6 | &AB |
Rapp  |           | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |    &0D     |                       | &94 | &95 | &96 | &9B |
Lapp  |           | &01 | &13 | &04 | &06 | &07 | &08 | &0A | &0B | &0C |  ;  |  '  |    &0D     |                       | &84 | &85 | &86 | &8B |
ctrl  |           | &01 | &13 | &04 | &06 | &07 | &CC | &CE | &CF | &0C |  ;  |  '  |    &0D     |                       | &A4 | &A5 | &A6 | &AB |
shift |           |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  :  |  "  |    &0D     |                       | &94 | &95 | &96 | &9B |
key   | CAPS LOCK |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  '  |    &0D     |                       | &84 | &85 | &86 | &8B |
      +-----------+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+---+-+------------+        +-----+        +-----+-----+-----+-----+
L+R   |               | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |              |        | &0B |        | &A1 | &A2 | &A3 |     |
Rapp  |               | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |              |        | &0B |        | &91 | &92 | &93 |     |
Lapp  |               | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |              |        | &0B |        | &81 | &82 | &83 |     |
ctrl  |               | &1A | &18 | &03 | &16 | &02 | &0E | &0D |  ,  |  .  |  /  |              |        | &EF |        | &A1 | &A2 | &A3 |     |
shift |               |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  <  |  >  |  ?  |              |        | &DF |        | &91 | &92 | &93 |     |
key   |  SHIFT        |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |    SHIFT     |        | &CF |        | &81 | &82 | &83 |     |
      +---------+-----+-+---+---+-+-----+-----+-----+-----+-----+-----+---+-+-----+-------+------+  +-----+-----+-----+  +-----+-----+-----+     |
L+R   |         |       |       |                   &20                   |       |       |      |  | &08 | &0A | &15 |  |    &A0    | &AE | &0D |
Rapp  |         |       |       |                   &20                   |       |       |      |  | &08 | &0A | &15 |  |    &90    | &9E | &0D |
Lapp  |         |       |       |                   &20                   |       |       |      |  | &08 | &0A | &15 |  |    &80    | &8E | &0D |
ctrl  |         |       |       |                   &20                   |       |       |      |  | &EC | &EE | &ED |  |    &A0    | &AE | &0D |
shift |         |       | SOLID |                   &20                   | SOLID |       |      |  | &DC | &DE | &DD |  |    &90    | &9E | &0D |
key   |  CTRL   | OPTION| APPLE |                   &20                   | APPLE | OPTION| CTRL |  | &CC | &CE | &CD |  |    &80    | &8E | &0D |
      +---------+-------+-------+-----------------------------------------+-------+-------+------+  +-----+-----+-----+  +-----------+-----+-----+
                                                                     With TAB set to &09 with *FX219,9 and keypad base set to &80 with *FX238,128.
                                                                          s=shift, c=ctrl, a=apple, La=left apple, Ra=right apple, LRa=both apple.


                              AppleMOS Regular Keymapping
                              ===========================
+==+====+====+====+====+====+====+====+====+=====+====+=====+=====+====+====+====+====+
|  | x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8  | x9 | xA  |  xB | xC | xD | xE | xF |
+==+====+====+====+====+====+====+====+====+=====+====+=====+=====+====+====+====+====+
|0x|    |    |    |    |    |    |    |    |     | Tab|     |     |    | Ret|    |    |
|  | c2 | cA | cB | cC | cD | cE | cF | cG |     |    |     |     | cL | cM | cN | cO |
|  | a2 | aA | aB | aC | aD | aE | aF | aG | aH  | aI | aJ  | aK  | aL | aM | aN | aO |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|1x|    |    |    |    |    |    |    |    |     |    |     | Esc |    |    |    |    |
|  | cP | cQ | cR | cS | cT |    | cV | cW | cX  | cY | cZ  | c[  | c\ | c] | c6 | c_ |
|  | aP | aQ | aR | aS | aT | aU | aV | aW | aX  | aY | aZ  | a[  | a\ | a] | a6 | a_ |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|7x|    |    |    |    |    |    |    |    |     |    |     |     |    |    |    | BS |
+==+====+====+====+====+====+====+====+====+=====+====+=====+=====+====+====+====+====+
|8x|    |  F1|  F2|  F3|  F4|  F5|  F6|  F7|  F8 |  F9| F10 | F11 | F12| F13| F14| F15|
|  |  K0|  K1|  K2|  K3|  K4|  K5|  K6|  K7|  K8 |  K9| K*  | K+  | K= | K- | K. | K/ |
|  | La0| La1| La2| La3| La4| La5| La6| La7| La8 | La9|     |     |    |    |    |    |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|9x|    | sF1| sF2| sF3| sF4| sF5| sF6| sF7| sF8 | sF9| sF10| sF11|sF12|sF13|sF14|sF15|
|  | sK0| sK1| sK2| sK3| sK4| sK5| sK6| sK7| sK8 | sK9| sK* | sK+ |sK= |sK- |sK. |sK/ |
|  | Ra0| Ra1| Ra2| Ra3| Ra4| Ra5| Ra6| Ra7| Ra8 | Ra9|     |     |    |    |    |    |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Ax|    | cF1| cF2| cF3| cF4| cF5| cF6| cF7| cF8 | cF9| cF10| cF11|cF12|cF13|cF14|cF15|
|  | cK0| cK1| cK2| cK3| cK4| cK5| cK6| cK7| cK8 | cK9| cK* | cK+ |cK= |cK- |cK. |cK/ |
|  |LRa0|LRa1|LRa2|LRa3|LRa4|LRa5|LRa6|LRa7|LRa8 |LRa9|     |     |    |    |    |    |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Bx|    |    |    |    |    |    |    |    |     |    |     |     |    |    |    |    |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Cx|    |    |    |    |    |    | Ins| Del| Home| End| PgDn| PgUp| <- | -> | Dn | Up |
|  |    |    |    |    |    |    |    |    |     | cI |     |     | cH | cU | cJ | cK |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Dx|    |    |    |    |    |    |sIns|sDel|sHome|sEnd|sPgDn|sPgUp| s<-| s->| sDn| sUp|
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Ex|    |    |    |    |    |    |cIns|cDel|cHome|cEnd|cPgDn|cPgUp| c<-| c->| cDn| cUp|
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
|Fx|    |    |    |    |    |    |    |    |     |    |     |     |    |    |    |    |
+--+----+----+----+----+----+----+----+----+-----+----+-----+-----+----+----+----+----+
          With TAB set to &09 with *FX219,9 and keypad base set to &80 with *FX238,128.
               s=shift, c=ctrl, a=apple, La=left apple, Ra=right apple, LRa=both apple.


Applecorn BBC MOS keyboard API calls
====================================
OSBYTE 4 (237) - Cursor keys:             0:editing, 1:&88-&8A, 2:topbit &xC-&xF with ctrl+shift
OSBYTE 126     - Acknowledge Escape:      effects set by OSBYTE 230 will be actioned
OSBYTE 200     - Break/Escape response:   b0=ignore Escape entirely, b1=clear memory on RESET
OSBYTE 202     - Keyboard state:          b7=ctrl, b6=shift, b1=extend, b0=apple at last keypress
OSBYTE 219     - TAB character:           character for TAB key to return
OSBYTE 220     - ESC character:           character to match as Escape key
OSBYTE 221-228 - Top-set interpretation:  0:ignore, 1:soft key, 2:key base
OSBYTE 229     - Escape enable:           0:Escape key, <>0:return character
OSBYTE 230     - Escape effects:          0:Escape closes and flushes, <>0 no Escape effects
OSBYTE 238     - Keypad base:             character to add to keypad key offset
OSBYTE 254     - Keyboard map:            <&C0:map that matches OSBYTE 0, &C0+n:semi-regular map

Applecorn BBC MOS character read API calls
==========================================
OSBYTE 176     - VSync counter for flashing cursor
OSBYTE 198     - *EXEC handle
OSBYTE 199     - *SPOOL handle
OSBYTE 216     - Length of current soft key
OSBYTE 233     - Offset to current soft key
OSBYTE 244     - Soft keys not unstable

OSBYTE 128,255 - Return XY<>0 if keypresses pending
OSBYTE 128,127 - Return raw low-level keycode
