GEOS File Information Sector

          OffSet    Description
          ------    --------------------------------------------------------
          $00       $00,  track  link  is zero because there  is  only  one
                    sector.
          $01       $FF, number of bytes in this sector.
          $02       $03, Width of icon in bytes
          $03       $15, Height of the icon
          $04       $BF, Bit map data type
          $05-$43   Icon image in sprite format.
          $44       DOS file type ($81=SEQ, $82=PRG, $83=USR, $84=REL, 
                                   bit 6=Write Protection)
          $45       GEOS file type
                         0    Non-GEOS file.
                         1    BASIC Program.
                         2    Assembly program.
                         3    Data file.
                         4    System file.
                         5    Desk Accessory.
                         6    Application.
                         7    Application Data.
                         8    Font file.
                         9    Printer driver.
                         10   Input driver.
                         11   Disk Device
                         12   System Boot file
                         13   Temporary
                         14   Auto Executing
                         15   Input 128
          $46       File structure, 0 for sequential, 1 for VLIR.
          $47-$48   Load address.
          $49-$4A   End of load address.
          $4B-$4C   Start   of  execution  address  for   program;   unused
                    otherwise.
          $4D-$59   Class of file; bytes 0-11 are the name, 12-15 is the 
                    version, 16-19 are zeroes.
          $60       Commodore 128 80-column support flag.  Codes are:
                         0    GEOS 64 or 128, 40 columns only
                         64   GEOS 64 or 128, 40 or 80 columns
                         128  GEOS 64, 40 columns only
                         192  GEOS 128, 80 columns only
          $61-$74   Author  of file;  zero byte terminated.  The  following
                    GEOS file types have authors:
                         1    BASIC Program       6    Application
                         2    Assembly Program    9    Printer driver
                         5    Desk Accessory      10   Input Driver
          $75-$88   For  Application Data files, and other Data files, this
                    is the class of the file that created this file.
          $89-$9F   Data, for Application use
          $A0-$FF   Info field for the file; zero byte terminated.