module dataLoader(colReady, data, index, xy);
    input logic colReady;
    input logic [31:0] data;
    input logic [POW:0] index; // x0 x1 x2 x3 ... y
    parameter POW = 2;
    parameter DIM = 2**POW;
    output logic [DIM:0][31:0] xy;

    always_ff@(posedge colReady) begin
        xy[index] <= data;
    end
endmodule

module dataLoader_testbench();

endmodule