1 files changed, 33 insertions, 0 deletions
diff --git a/tests/asicworld/code_hdl_models_gray_counter.v b/tests/asicworld/code_hdl_models_gray_counter.v
new file mode 100644
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--- /dev/null
+++ b/tests/asicworld/code_hdl_models_gray_counter.v
@@ -0,0 +1,33 @@
+//-----------------------------------------------------
+// Design Name : gray_counter
+// File Name   : gray_counter.v
+// Function    : 8 bit gray counterS
+// Coder       : Deepak Kumar Tala
+//-----------------------------------------------------
+module gray_counter (
+  out    , // counter out
+  enable , // enable for counter
+  clk    , // clock
+  rst      // active hight reset
+  );
+  
+  //------------Input Ports--------------
+  input clk, rst, enable; 
+  //----------Output Ports----------------
+  output [ 7:0] out;
+  //------------Internal Variables--------
+  wire [7:0] out;
+  reg [7:0] count;
+  //-------------Code Starts Here---------
+  always @ (posedge clk) 
+  if (rst) 
+    count <= 0; 
+  else if (enable) 
+    count <= count + 1; 
+    
+  assign out = { count[7], (count[7] ^ count[6]),(count[6] ^ 
+               count[5]),(count[5] ^ count[4]), (count[4] ^ 
+               count[3]),(count[3] ^ count[2]), (count[2] ^ 
+               count[1]),(count[1] ^ count[0]) };
+    
+endmodule