+------------------------------------------------------------------------
  |
  |  DRAZLACE-FORMAT (multicolor interlaced):
  |
  +------------------------------------------------------------------------
  |
  |  Filename     : -
  |  Filelength   : depends (packed), 72 (unpacked)
  |  Start-Address: $5800
  |
  +------------------------------------------------------------------------
  |
  |  Depacking: no information
  |
  +------------------------------------------------------------------------
  |
  |  Structure:
  |                    Length   |   Contents
  |       ----------------------+-----------------------
  |          $03E8 ( 1000) Byte | Color-RAM
  |          $0018 (   24) Byte | Unused
  |          $03E8 ( 1000) Byte | Screen-RAM
  |          $0018 (   24) Byte | Unused
  |          $1F40 ( 8000) Byte | Bitmap 1
  |          $0001 (    1) Byte | Background color
  |          $00BF (  191) Byte | Unused
  |          $1F40 ( 8000) Byte | Bitmap 2
  |       ----------------------+-----------------------
  |          $4740 (18240) Byte | Altogether
  |
  +------------------------------------------------------------------------