The file dehacker.zip contains the article "Hacking the DOOM.EXE file". It
will form the basis for a new chapter in the forthcoming 1.4 doom specs.
Also included are 5 simple Qbasic programs to extract text lists of stuff
talked about in the article. Some neat things can be done by modifying
the EXE file, including making any thing have the same "inviso" property
that spectres have, making any monster "float" like cacodemons, making
cacodemons "shoot" lost souls instead of lightning-balls (sort of...make
your own pain elemental! Don't wait for Doom II).

There's the potential for a skilled programmer with time and vision to
make a "Doom customization kit" so that everyone can enjoy the possiblities.

All the info is based on the registered 1.2 version, and will be updated
when 1.4 comes out. Also, please note that those without experience as
hackers will probably just be confused by this material.

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Matt Fell (matt.burnett@acebbs.com)
Unofficial DOOM Specs Author

