Index: /caseStudy_Huffmann/huffmann/huff_any_text/any_text_env.v
===================================================================
--- /caseStudy_Huffmann/huffmann/huff_any_text/any_text_env.v	(revision 106)
+++ /caseStudy_Huffmann/huffmann/huff_any_text/any_text_env.v	(revision 106)
@@ -0,0 +1,27 @@
+module environment(clk,val,i_addr,i_val,addr,ack);
+  input clk;
+  input i_val;
+  input [4:0]i_addr;
+  output [4:0] addr;
+  output val;
+  reg val;
+  reg r_val;
+  input ack;
+
+  reg addr;
+  initial addr = i_addr;
+  initial  val = 1;
+  initial  r_val = 1;
+  always @(posedge clk) begin
+    val = 0;
+    if(ack == 1)
+    begin
+      val = (r_val == 1)?0:i_val;
+      addr = i_addr;
+    end
+    r_val = i_val;
+  end
+  
+
+endmodule
+