Subversion Repositories zx_ula

`timescale 1ns / 1ps

//////////////////////////////////////////////////////////////////////////////////

// Company: 

// Engineer: 

// 

// Create Date:    20:57:11 04/29/2012 

// Design Name: 

// Module Name:    ram64bytes 

// Project Name: 

// Target Devices: 

// Tool versions: 

// Description: 

//

// Dependencies: 

//

// Revision: 

// Revision 0.01 - File Created

// Additional Comments: 

//

//////////////////////////////////////////////////////////////////////////////////

module ram64bytes(

    input clk,

    input [5:0] a,

    input [7:0] din,

    output [7:0] dout,

    input we

    );

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

         assign dout = mem[a];  //non registered address. Ugly, but works :(

         integer i;

         initial begin

                for (i=0;i<=63;i=i+1)

                        mem[i] = i/8;

         end

         always @(posedge clk) begin

                if (we)

                        mem[a] <= din;

         end

endmodule