     rooms.dat contains descriptions of the rooms.  The first line of rooms.dat
gives the number of rooms; each subsequent line is a description of a room.

     treasure.dat contains descriptions of the treasures.  The first line of
treasure.dat gives the number of treasures.  Each treasure is described by
three lines -- the description of the treasure, the description of its
guardian, and the name of a weapon that can defeat the guardian.
