//----------------------------------------------------------------------//// The MIT License // // Copyright (c) 2007 Alfred Man Cheuk Ng, mcn02@mit.edu // // Permission is hereby granted, free of charge, to any person // obtaining a copy of this software and associated documentation // files (the "Software"), to deal in the Software without // restriction, including without limitation the rights to use,// copy, modify, merge, publish, distribute, sublicense, and/or sell// copies of the Software, and to permit persons to whom the// Software is furnished to do so, subject to the following conditions:// // The above copyright notice and this permission notice shall be// included in all copies or substantial portions of the Software.// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR// OTHER DEALINGS IN THE SOFTWARE.//----------------------------------------------------------------------//import Controls::*;import DataTypes::*;import FPComplex::*;import GetPut::*;import Interfaces::*;import Vector::*;import Scrambler::*;function t idFunc(t in);   return in;endfunction(* synthesize *)module mkScramblerTest(Empty);      // state elements   Scrambler#(ScramblerCtrl#(12,7),ScramblerCtrl#(12,7),12,12) scrambler;   scrambler <- mkScrambler(idFunc,idFunc,7'b1001000);   Reg#(Bit#(12)) data  <- mkReg(0);   Reg#(Bit#(32)) cycle <- mkReg(0);      rule putInput(True);      let mesg = Mesg { control: ScramblerCtrl		       {bypass: 0,			seed: (data[4:0] == 0) ? tagged Valid 127 : Invalid},	   	        data: data};      scrambler.in.put(mesg);      data <= data + 1;      $display("input: data: %b",data);   endrule   rule getOutput(True);      let mesg <- scrambler.out.get;      $display("output: data: %b",mesg.data);   endrule      rule tick(True);      cycle <= cycle + 1;      if (cycle == 100000)	 $finish;      $display("Cycle: %d",cycle);   endrule  endmodule