Question: The LC-3 macho-company had decided to use opcode 1101 to implement a new instruction. They need you help to pick the most useful one from

The LC-3 macho-company had decided to use opcode 1101 to implement

a new instruction. They need you help to pick the most useful one from the following:

MOVE Ri, Rj; The contents of Rj are copied into Ri.

B. NAND Ri, Rj, Rk; Ri is the bit-wise NAND of Rj, Rk

c. SHFL Ri, Rj, #2; The contents of Rj are shifted left 2 bits and stored into Ri.

D. MUL Ri, Rj, Rk; Ri is the product of 2's complement integers in Rj, Rk. Justify your answer.

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