You look the manuals and help to take an idea about DCL, but i have a small program called PROTOBOX, that is a Wonderfull tool to create Dialog Boxes whitout write code. You can found a demo version at www.Cadalog.com.
I have many questions.... and responses....
You wrote a program by AutoLisp.
1- You need to protect??
Use Visual Lisp from AutoCad 200x for generate a FAS file.
If you use Protect and Kelvinator, your protection is poor... a Decrypt program can turn the file unprotected.
2- Your file show...