Question

CECS 225 Digital Logic and Assembly Programming Complete the code skeleton below to create of the ALU: `timescale ins / ips module ALU (ALUControl, A, B, Result, Zero_Flag) : input [2:0] ALUControl; input [31:0] A, B; output [31:0] Result; output Zero_Flag; wire [31:0] ANDout, ORout, SUMout, DIFFout, LTout; AND_32 _and(.arga( ), .argB( ), .AandB ( )); OR_32 _or(.arga ( A ), .argB( B ), .AorB( ORout)); Adder_32 _add(.augend (A ), .addend (B ), .sum( SUMout )); Subtracter_32 _sub(.subtrahend ( A ), .minuend ( B ), .difference ( DIFFout)); SetLessThan_32 _slt(.arga( A ), .argB( B ), .AltB ( LTout)); Mux8to1_32bit _m81(.Sel ( ALUControl), .In0 ( ), .In1 ( ), .In2 ( ), .In3 ( 32'bX ), .In4 ( 32'bX ), .In5 ( 32'bX ), .In6 ( ), .In7 ( ), .Out ( Result )); assign Zero_Flag = (Result == 32'b0) ? 1'b0 : 1'b1; endmodule

          CECS 225
Digital Logic and Assembly Programming
Complete the code skeleton below to create of the ALU:
`timescale ins / ips
module ALU (ALUControl, A, B, Result, Zero_Flag) :
input [2:0] ALUControl;
input [31:0] A, B;
output [31:0] Result;
output Zero_Flag;
wire [31:0] ANDout, ORout, SUMout, DIFFout, LTout;
AND_32 _and(.arga(
), .argB(
), .AandB (
));
OR_32 _or(.arga ( A
), .argB( B
), .AorB( ORout));
Adder_32 _add(.augend (A
), .addend (B
), .sum( SUMout ));
Subtracter_32 _sub(.subtrahend (
A
), .minuend (
B
), .difference (
DIFFout));
SetLessThan_32 _slt(.arga( A
), .argB(
B
), .AltB (
LTout));
Mux8to1_32bit _m81(.Sel (
ALUControl), .In0 (
), .In1 (
), .In2 (
), .In3 (
32'bX
), .In4 (
32'bX
), .In5 (
32'bX
), .In6 (
), .In7 (
), .Out (
Result
));
assign Zero_Flag = (Result == 32'b0) ? 1'b0 : 1'b1;
endmodule

CECS 225
Digital Logic and Assembly Programming
Complete the code skeleton below to create of the ALU:
`timescale ins / ips
module ALU (ALUControl, A, B, Result, ZeroFlag) :
input [2:0] ALUControl;
input [31:0] A, B;
output [31:0] Result;
output ZeroFlag;
wire [31:0] ANDout, ORout, SUMout, DIFFout, LTout;
AND32 and(.arga(
), .argB(
), .AandB (
));
OR32 or(.arga ( A
), .argB( B
), .AorB( ORout));
Adder32 add(.augend (A
), .addend (B
), .sum( SUMout ));
Subtracter32 sub(.subtrahend (
A
), .minuend (
B
), .difference (
DIFFout));
SetLessThan32 slt(.arga( A
), .argB(
B
), .AltB (
LTout));
Mux8to132bit m81(.Sel (
ALUControl), .In0 (
), .In1 (
), .In2 (
), .In3 (
32'bX
), .In4 (
32'bX
), .In5 (
32'bX
), .In6 (
), .In7 (
), .Out (
Result
));
assign ZeroFlag = (Result == 32'b0) ? 1'b0 : 1'b1;
endmodule

Added by Jason W.

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