HexCheat:

 Load the file ELVMCGA.EXE into the hex editor and

 search for         2E FF 0E 01 1A
 and change it to   90 90 90 90 90

 for unlimited lifes.

 Search for         2E FF 0E 10 72
 and change it to   90 90 90 90 90

 for unlimited energy.