Files
riscv-ac/riscv-ac.srcs/sources_1/new/regfile.v
2026-02-20 11:33:05 +01:00

40 lines
841 B
Verilog

`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 02/20/2026 09:21:52 AM
// Design Name:
// Module Name: regfile
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module regfile(
input clk, regwrite,
input [4:0] rs1, rs2, rd,
input [31:0] write_data,
output [31:0] read_data_1, read_data_2
);
reg [31:0] regs[0:31];
assign read_data_1 = (rs1 == 0) ? 0 : regs[rs1];
assign read_data_2 = (rs2 == 0) ? 0 : regs[rs2];
always @(posedge clk) begin
if (regwrite && rd != 0) regs[rd] <= write_data;
end
endmodule