moved declarations up to make simulator happy

    reg [4:0] wr_id;

    reg [4:0] wr_id;

    reg        read_no_more; // after frame_done - no more requests for new pages to read

    reg        read_no_more; // after frame_done - no more requests for new pages to read

    reg        done;

    reg        pre_done;

    assign afi_arid={1'b1,rd_id};

    assign afi_arid={1'b1,rd_id};

    assign afi_awid={1'b1,wr_id};

    assign afi_awid={1'b1,wr_id};

    reg        write_busy;

    reg        write_busy;

    wire       rw_in_progress;

    wire       rw_in_progress;

    reg        busy;

    reg        busy;

    reg        done;

    reg        pre_done;

    assign rw_in_progress = read_started || write_busy;

    assign rw_in_progress = read_started || write_busy;