DSYS.EXE demosystem engine
--------------------------

DSYS.EXE is the demosystem engine that has all the 3D and 2D effects
compiled in along with MIDAS. DSYS.EXE can be used for both previewing
a demo that still consists of separate data files and for the creating
the final demo executable. Read more in DSYS.TXT in the DOC directory.

Note! You must set the environment variable DOOMSDAY for the -DISK
      option to appear, i.e. to use DSYS.EXE for previewing.

      set DOOMSDAY=MEMBERS ONLY


