+------------------------------------------------------------------------
  |
  |  TRUE-PAINT-I-FORMAT (multicolor interlaced):
  |
  +------------------------------------------------------------------------
  |
  |  Filename     : ends with "MCI"; always 16 characters long
  |  Filelength   : depends (packed), 77 (unpacked)
  |  Start-Address: $9C00 (also possible: $1C00)
  |
  +------------------------------------------------------------------------
  |
  |  Depacking: no information
  |
  +------------------------------------------------------------------------
  |
  |  Structure:
  |                    Length   |   Contents
  |       ----------------------+-----------------------
  |          $03E8 ( 1000) Byte | Screen-RAM 1
  |          $0001 (    1) Byte | Background color
  |          $0017 (   23) Byte | Unused and cleared
  |          $1F40 ( 8000) Byte | Bitmap 1
  |          $00C0 (  192) Byte | Internal data (can be ignored)
  |          $1F40 ( 8000) Byte | Bitmap 2
  |          $00C0 (  192) Byte | Unused and cleared
  |          $03E8 ( 1000) Byte | Screen-RAM 2
  |          $0018 (   24) Byte | Unused and cleared
  |          $03E8 ( 1000) Byte | Color-RAM
  |       ----------------------+-----------------------
  |          $4BE8 (19432) Byte | Altogether
  |
  +------------------------------------------------------------------------