Edit the save game and change the values at 10E0 to FF20
to set DAMAGE bar to Maximum.
Get mouse support in DOSBox:
As of DOSBox version 0.72, Corporation does not detect the mouse driver
correctly, leaving the player with keyboard controls only. Using another
mouse driver can help, such as the free CuteMouse driver from the FreeDOS
project (also known as CTMOUSE). In DOSBox, run the driver before running