Subversion Repositories djpeg

//---------------------------------------------------------------------------

// File Name   : jpeg_dqt.v

// Module Name : jpeg_dqt

// Description : DQT spcae

// Project     : JPEG Decoder

// Belong to   : 

// Author      : H.Ishihara

// E-Mail      : hidemi@sweetcafe.jp

// HomePage    : http://www.sweetcafe.jp/

// Date        : 2006/10/01

// Rev.        : 1.1

//---------------------------------------------------------------------------

// Rev. Date       Description

//---------------------------------------------------------------------------

// 1.01 2006/10/01 1st Release

//---------------------------------------------------------------------------

// $Id: 

//---------------------------------------------------------------------------

`timescale 1ps / 1ps

module jpeg_dqt

  (

   rst,

   clk,

   DataInEnable,

   DataInColor,

   DataInCount,

   DataIn,

   TableColor,

   TableNumber,

   TableData

 );

   input        rst;

   input        clk;

   input        DataInEnable;

   input        DataInColor;

   input [5:0]   DataInCount;

   input [7:0]   DataIn;

   input        TableColor;

   input  [5:0] TableNumber;

   output [7:0] TableData;

   // RAM

   reg [7:0]    DQT_Y [0:63];

   reg [7:0]    DQT_C [0:63];

   // RAM

   always @(posedge clk)

     begin

        if(DataInEnable ==1'b1 && DataInColor ==1'b0) begin

           DQT_Y[DataInCount] <= DataIn;

        end

        if(DataInEnable ==1'b1 && DataInColor ==1'b1) begin

           DQT_C[DataInCount] <= DataIn;

        end

     end

   reg [7:0] TableDataY;

   reg [7:0] TableDataC;

   // RAM out

   always @(posedge clk) begin

      TableDataY <= DQT_Y[TableNumber];

      TableDataC <= DQT_C[TableNumber];

   end

   // Selector

   assign TableData = (TableColor)?TableDataC:TableDataY;

endmodule // jpeg_dqt