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Subversion Repositories bluespec-h264

[/] [bluespec-h264/] [trunk/] [src/] [mkInputGen_news.bsv] - Rev 100

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// The MIT License

// Copyright (c) 2006-2007 Massachusetts Institute of Technology

// 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.

//**********************************************************************
// Input Generator implementation
//----------------------------------------------------------------------
//
//

package mkInputGen;

import H264Types::*;
import IInputGen::*;
import RegFile::*;
import FIFO::*;

import Connectable::*;
import GetPut::*;


module mkInputGen( IInputGen );

   RegFile#(Bit#(27), Bit#(8)) rfile <- mkRegFileLoad("news_cif1-5.hex", 0, 17225);
   
   FIFO#(InputGenOT) outfifo <- mkFIFO;
   Reg#(Bit#(27))    index   <- mkReg(0);

   rule output_byte (index < 17226);
      //$display( "ccl0inputbyte %x", rfile.sub(index) );
      outfifo.enq(DataByte rfile.sub(index));
      index <= index+1;
   endrule

   rule end_of_file (index == 17226);
      //$finish(0);
      outfifo.enq(EndOfFile);
   endrule
   
   interface Get ioout = fifoToGet(outfifo);
   
endmodule


endpackage

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