1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
//
// Copyright 2011 Ettus Research LLC
//
// 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/>.
//
module ram16_2port (input clock, input write,
input [3:0] wr_addr, input [15:0] wr_data,
input [3:0] rd_addr1, output reg [15:0] rd_data1,
input [3:0] rd_addr2, output reg [15:0] rd_data2);
reg [15:0] ram_array [0:31];
always @(posedge clock)
rd_data1 <= #1 ram_array[rd_addr1];
always @(posedge clock)
rd_data2 <= #1 ram_array[rd_addr2];
always @(posedge clock)
if(write)
ram_array[wr_addr] <= #1 wr_data;
endmodule // ram16_2port
|