Subversion Repositories reed_solomon_decoder

/* This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation, either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

   Email : semiconductors@varkongroup.com

   Tel   : 1-732-447-8611

*/

module DP_RAM (clk,we,re,address_read,address_write,data_in,data_out);

parameter address_width=8;

parameter data_width=8;

parameter num_words=205;

input clk,we,re;

input [address_width-1:0] address_read,address_write;

input [data_width-1:0] data_in;

output [data_width-1:0] data_out;

reg [data_width-1:0] data_out;

reg [data_width-1:0] mem [0:num_words-1];

integer         i;

        initial

        begin

                for (i=0;i<num_words;i=i+1)

                        mem[i] = 0;

        end

always @ (posedge(clk))

begin

        if (we==1'b1)

                begin

                        mem[address_write]<= data_in;

                end

        if (re==1'b1)

                begin

                        data_out<=mem[address_read];

                end

end

endmodule