io boot problem

Dear all
I have a problem with i/o boot.
I want 8bit parallel io boot but i don't know what i must to do?
I don't know how i can build boot table and what command i must add to .cmd file for this.
I know that we have a some option for converting .obj to .hex.
but i don't know how i can used them and which must used for this.
Regards
Amin