How to make your own assembler (by reverse engineering existing one)

If you ever wondered how to make an assembler, here I will give you some useful tips that should explain the progress and help you start out.

[lovemadeinjapan]

Fun you say one does this for educational purposes. I want to do it to design the concept from scratch, as it is highly weird the way it is now. For example I want to drop the idea of mnenomics, that word alone is enough reason to quit it.