Litil Divil

Try some of the following command line params:  CASE SENSITIVE

KmCiNpOcKeT   - press f1 to warp in game
Nicole        - Press shipt-P to go to another room
MEANING       - shift-t to add energy
Donkey        - Press T to add money
Grumpy        - Press K to add keys

Or maybe some hex editing?
Hex edit the file DIVIL.EXE

Change offset A9B1 to 00