Sometimes using a certain style consistently can help prove your claim to ownership, especially if the copier was lazy.

    ORG    000
    jmp    Main
        :
        :
        :
Main:
    nop
    jmp    Here
        :
        :
        :
Here:
    nop
    nop
    jmp    There
        :
        :
        :
There:
    nop
    nop
    nop
; Start of real code 

 

I saw some ancient 8080 code that had something like:

    lxi    B,SomeNumber

 

where SomeNumber was actually a "MVI A,AByte". The code would jump into the middle of the lxi instruction, and all would be well.

Another method might be to find any unused opcodes (the 8085 had about 6 of them), figure out what they do, and use them. Of course, there is NO GUARANTEE that those unused opcodes will, in fact, remain unused.

--Rich