+------------------------------------------------------------------------
  |
  |    CBMSCII - Charset Map
  |
  +------------------------------------------------------------------------
  |
  |  Upper Case/Graphics:                Lower Case/Upper Case:
  |
  |   Chars $00-$3F (0 - 63)              Chars $00-$3F (0 - 63)
  |   Chars $40-$7F (64 - 127)            Chars $40-$7F (64 - 127)
  |   Chars $80-$BF (128 - 191)           Chars $80-$BF (128 - 191)
  |   Chars $C0-$FF (192 - 255)           Chars $C0-$FF (192 - 255)
  |
  +------------------------------------------------------------------------