u/Impressive_Pen5256

I'm building a 16-bit CPU for an assignment, and I am having trouble implementing the instructions. The picture is what we are supposed to create but I am very lost. Anything helps.

https://preview.redd.it/3r6z5pcwktxg1.png?width=472&format=png&auto=webp&s=1ebeacd92a9000417998126332f0c0ce281d371f