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ram_dp_32x2048_sim.v
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ram_dp_32x2048_sim.v
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/*
* Copyright (C) 2019 Jeroen Domburg <[email protected]>
* All rights reserved.
*
* BSD 3-clause, see LICENSE.bsd
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
module ram_dp_32x2048 (
input wire ClockA,
input wire ClockB,
input wire ClockEnA,
input wire ClockEnB,
input wire ResetA,
input wire ResetB,
input wire [31:0] DataInA,
input wire [31:0] DataInB,
input wire [10:0] AddressA,
input wire [10:0] AddressB,
input wire WrA,
input wire WrB,
output reg [31:0] QA,
output reg [31:0] QB
);
reg [31:0] mem[0:2047];
always @(posedge ClockA) begin
if (ResetA) begin
QA <= 0;
end else begin
QA <= mem[AddressA];
if (WrA) begin
mem[AddressA] <= DataInA;
end
end
end
always @(posedge ClockB) begin
if (ResetB) begin
QB <= 0;
end else begin
QB <= mem[AddressB];
if (WrB) begin
mem[AddressB] <= DataInB;
end
end
end
endmodule;