module FXPAddSub #(parameter LATENCY = 2) (
    input logic add_sub,
    input logic clock,
    input logic[31:0] dataa,
    input logic[31:0] datab,
    output logic[31:0] result
);

    logic[31:0] delay_regs[LATENCY:0];
    logic[31:0] add_sub_result;

    always_comb begin
        if (add_sub) delay_regs[LATENCY] = dataa + datab;
        else         delay_regs[LATENCY] = dataa - datab;
    end

    always_ff @ (posedge clock) begin
        for (int i = 0; i < LATENCY; i++) delay_regs[i] <= delay_regs[i + 1];
    end

    assign result = delay_regs[0];
endmodule