module ALUControl( ALU Control, ALUOP, Function); output reg[2:0] ALU Control; input [1:01 ALUOP: input [3:0] Function; wire [5:0] ALUControlIn; assign ALUControlin = (ALUOP, Function); always @ (ALUControlIn) casex (ALUControlIn) 6'bllxxxx: ALU_Control=D3'b000; 6'b10xxxx: ALU_Control=3 b100; 6'b01xxxx: ALU Control%3D3'b001; 6'b000000: ALU Control%3D3'b000; 6'b000001: ALU Control=3'b001; 6'b000010: ALU Control=3'b010; 6 b000011: ALU Control%3D3'b011; 6'b000100: ALU Control3D3 b100; default: ALU_Control=3'b000; endcase endmodule // Verilog code for JR control unit module JR Control ( input [1:0] alu op, input [3:0] funct, output JRControl assign JRControl = ([alu_op, funct)==6'b001000) ? 1'b1 : 1'b0; endmodule to ensure that PC is loaded with contents of RW" JR_Control control signal ALUControlln control signal O NONE