
The File Civ$0790Help.rtf 
or Civ$0790Help.mht (Internet Explorer can read this file)
describes the use of CIV$
Copy CIV$.EXE in to C:\MPS\CIV   or wherever you have CIV


A .bat file with the following 

c:
cd \mps\civ
:LOOP
civ$
Goto LOOP

Using the above method when you exit CIV you will come back to CIV$.
Make your changes and launch CIV to continue the game.