You must modify the RISC$-$V MCU such that it supports two new instructions.

For this problem, describe the following:

a$)$ changes you need to make to the RISC$-$V MCU hardware. Show Verilog code for any changes

made to the CSR module.

b$)$ changes you need to make to the RISC$-$V MCU assembler

c$)$ changes in RISC$-$V MCU memory requirements

d$)$ why this modification would or could be useful