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TESTBENCH/half_adder_tb.v

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+// Name: half_adder_tb.v
+// Module: HALF_ADDER_TB
+//
+// Notes: - Testbench for half adder
+//
+// Revision History:
+//
+// Version	Date		Who		email			note
+//------------------------------------------------------------------------------------------
+//  1.0     Sep 10, 2014	Kaushik Patra	kpatra@sjsu.edu		Initial creation
+//------------------------------------------------------------------------------------------
+`include "../prj_definition.v"
+
+module HALF_ADDER_TB;
+reg A, B;
+wire Y, C;
+
+reg [`DATA_INDEX_LIMIT:0] results[0:3];
+
+HALF_ADDER ha_inst(.Y(Y), .C(C), .A(A), .B(B));
+
+initial
+begin
+A=1'b0; B=1'b0;
+#1 results[0] = 32'h00000000 | {C,Y};
+
+#1 A=1'b0; B=1'b1;
+#1 results[1] = 32'h00000000 | {C,Y};
+
+#1 A=1'b1; B=1'b0;
+#1 results[2] = 32'h00000000 | {C,Y};
+
+#1 A=1'b1; B=1'b1;
+#1 results[3] = 32'h00000000 | {C,Y};
+
+#5 
+$writememh("./OUTPUT/half_adder.out",results,0,3);
+$stop;
+end
+
+endmodule