1 files changed, 75 insertions, 0 deletions
diff --git a/tests/sim/tb/tb_aldffe.v b/tests/sim/tb/tb_aldffe.v
new file mode 100755
index 000000000..c3cb57f4e
--- /dev/null
+++ b/tests/sim/tb/tb_aldffe.v
@@ -0,0 +1,75 @@
+`timescale 1ns/1ns 
+module tb_aldffe();
+	reg clk = 0;
+	reg aload = 0;
+	reg [0:3] d  = 4'b0000;
+	reg [0:3] ad = 4'b1010;
+	reg en = 0;
+	wire [0:3] q;
+
+	aldffe uut(.clk(clk),.d(d),.ad(ad),.aload(aload),.en(en),.q(q));
+
+	always
+		#(5) clk <= !clk;
+
+	initial
+	begin
+		$dumpfile("tb_aldffe");
+		$dumpvars(0,tb_aldffe);
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		aload = 1;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		aload = 0;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		en = 1;
+		aload = 1;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		aload = 0;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		d = 4'b1100;
+		#10
+		d = 4'b0011;
+		#10
+		$finish;
+	end
+endmodule