1 (a). Add the instruction addi to the MIPS single-cycle processor. If necessary, augment the data path in this figure. Write down all control signals for the instruction. If you added new control signals, be sure to provide what those signals should be for our other instructions (R-type, sw, lw, and beq). Use the diagram below.

(b) Add the instruction jal (jump and link) to the to the MIPS single-cycle processor as in question a.

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PC Read address Add Instruction (31-01 Instruction memory Instruction [31-26] Instruction [25-21] Instruction [20-16] Instruction (15-11) Instruction [15-0 Control RegDst Branch MemRead MentoReg ALUOP MemnWrite ALUSre RegWrite Read register 1 Read register 2 16 Write register Write data Read data 1 Read data 2 Registers Sign extend Instruction [5-0) 32 Shift left 2 XEZO) Add ALU control ALU result Zero ALU ALU result 7 (MON Address Read data Data Write memory data (MMO) PC Read address Add Instruction (31-01 Instruction memory Instruction [31-26] Instruction [25-21] Instruction [20-16] Instruction (15-11) Instruction [15-0 Control RegDst Branch MemRead MentoReg ALUOP MemnWrite ALUSre RegWrite Read register 1 Read register 2 16 Write register Write data Read data 1 Read data 2 Registers Sign extend Instruction [5-0) 32 Shift left 2 XEZO) Add ALU control ALU result Zero ALU ALU result 7 (MON Address Read data Data Write memory data (MMO)