Added files into modelsim folder

ModelSim/register_file.sv

@@ -0,0 +1,28 @@
+`ifndef REGISTER_FILE_H
+`define REGISTER_FILE_H
+
+module register_file #(parameter width=5, parameter nregs=5)(
+    input logic [0:0] clk, input logic[0:0] we,
+    input logic [nregs-1:0] WA, input logic [2**width-1:0] WD,
+    input logic [nregs-1:0] RA1, output logic [2**width-1:0] RD1,
+    input logic [nregs-1:0] RA2, output logic [2**width-1:0] RD2,
+    output logic [2**width-1:0] regs_out [2**nregs]
+);
+    localparam BW = 2**width;
+    logic [2**width-1:0] regs[2**nregs];
+
+    initial begin
+        regs[0] = {(2**width){1'b0}};
+    end
+
+    always_ff @(posedge clk) begin
+        if (we & (WA != {(2**width){1'b0}} )) begin
+            regs[WA] <= WD;
+        end
+    end
+
+    assign RD1 = regs[RA1];
+    assign RD2 = regs[RA2];
+    assign regs_out = regs;  // Expose registers externally
+endmodule
+`endif