From 48154cb6f452d3bdb4da36cc267b4b6c45588dc9 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 18 Jul 2015 13:10:40 +0200
Subject: Imported full dev sources

---
 icefuzz/tests/example_icestick.v | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 icefuzz/tests/example_icestick.v

(limited to 'icefuzz/tests/example_icestick.v')

diff --git a/icefuzz/tests/example_icestick.v b/icefuzz/tests/example_icestick.v
new file mode 100644
index 0000000..4635550
--- /dev/null
+++ b/icefuzz/tests/example_icestick.v
@@ -0,0 +1,29 @@
+module top (
+	input  clk,
+	output LED1,
+	output LED2,
+	output LED3,
+	output LED4,
+	output LED5
+);
+
+	localparam BITS = 5;
+	localparam LOG2DELAY = 22;
+
+	function [BITS-1:0] bin2gray(input [BITS-1:0] in);
+		integer i;
+		reg [BITS:0] temp;
+		begin
+			temp = in;
+			for (i=0; i<BITS; i=i+1)
+				bin2gray[i] = ^temp[i +: 2];
+		end
+	endfunction
+
+	reg [BITS+LOG2DELAY-1:0] counter = 0;
+
+	always@(posedge clk)
+		counter <= counter + 1;
+	
+	assign {LED1, LED2, LED3, LED4, LED5} = bin2gray(counter >> LOG2DELAY);
+endmodule
-- 
cgit v1.2.3