+------------------------------------------------------------------------
  |
  |      AMICA-PAINT-FORMAT:
  |
  +------------------------------------------------------------------------
  |
  |  Filename     : starts with "[B]"
  |  Filelength   : depends
  |  Start-Address: $4000
  |
  +------------------------------------------------------------------------
  |
  |  Depacking: $C2 00    means End of Picture
  |             $C2 xx yy means copy Byte yy xx-times to Picture
  |             xx        copy Byte xx to Picture
  |
  +------------------------------------------------------------------------
  |
  |  Structure  :
  |                    Length   |   Contents
  |                 ------------+-----------------------
  |                   8000 Byte | Bitmap
  |                   1000 Byte | Screen-RAM
  |                   1000 Byte | Color-RAM (*)
  |                      1 Byte | Background-Color (*)
  |                    256 Byte | Color-Rotation-Table
  |                 ------------+-----------------------
  |                  10257 Byte | Altogether
  |
  |                 (*) High-Nybbles are set to 0.
  |
  +------------------------------------------------------------------------