1 files changed, 49 insertions, 0 deletions
diff --git a/ee4363/mp1/test_mipsalu.v b/ee4363/mp1/test_mipsalu.v
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+++ b/ee4363/mp1/test_mipsalu.v
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+   `timescale 1ns/100ps
+//
+// Test Bench for the mips alu
+// T. Posbergh, 14 October 2012
+//
+   `include "MIPSALU.v"
+//
+module test_mipsalu;
+   wire Zero;             // ALU bit output
+   wire [31:0] ALUOut;    // ALU word output
+   reg  [31:0] A,B;       // ALU word inpus
+   reg  [3:0]  ALUctl;
+
+   reg clock;
+   reg reset;
+
+// instantiate the alu and control
+
+   MIPSALU U0(ALUctl, A, B, ALUOut, Zero);
+
+// generate test signals
+
+   initial 
+   begin
+      A=32'b0101_0101_0101_0101_0101_0101_0101_0101;
+      B=32'b0101_0101_0101_0101_0101_0101_0101_0101;
+      #10 ALUctl=4'b0000;
+      #10 ALUctl=4'b0001;
+      #10 ALUctl=4'b0010;
+      #10 ALUctl=4'b0110;
+//    $finish(100);
+      #10 $finish;
+    end
+
+// output result
+
+   initial
+      $monitor($time, " A = %h",A," B = %h",B," ALUOut = %h",ALUOut," Zero = %b",Zero);
+
+// the following generates vcd file for GTKwave
+   initial
+      begin
+      $dumpfile("MIPSAlu.vcd");
+      $dumpvars;
+   end
+
+endmodule
+
+