It appears to be just an exercise of going through each step, one by one and assigning the correct values to route the right registers to the ALU and back to the correct registers. Just as in any problem for setting digital muxes as in creating microcode to do operations.
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Not trivialising your problem, just saying; follow the steps, it is likely to work and not take too long.
PC<<--- PC+1. I'd guess you set the mux values to route the PC to the ALU, to also route a "1" to the ALU and to route the result back to the PC.
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If u know answer why u don't post it then u don't know it, I already tried chegg no tutor knows how to solve this
If any particular step is difficult to "solve", I missed it, sorry.
Point out the difficult part to me and all.
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So, if there's a terribly tricky step, requiring lateral thinking, show the work up to then and get the guys here to look at that tricky step.
If not, learn the stuff & do the homework. designing your own processors can be fun. You can make one to do anything you want. Whether it be bit-slice of FPGA.
Learn your stuff, ACE the course. Be good at what you do.
"chegg"?