Struc   SortKeys
  Memory_Address_Hi     DW    ?         ; Memory Address of
  Memory_Address_Lo     DW    ?         ; Memory Table      or
  File_Name             DB   12 dup (?) ; Filename to sort
  Record_Count          DW    ?         ; Number of records to sort
  Record_Size           DW    ?         ; Record size
  Key_Count             DB    1 dup (?) ; Number of keys to sort on, 1 for now
  Key_1_Position        DW    ?         ; Position within record
  Key_1_Size            DW    ?         ; Size to sort on
  Key_1_A_D             DB    1 dup (?) ; "A"=ascending "D"=descending
ends                                    ; SortKeys