for ($i = 0; $i < Specifications::rsBlockNum2($spec); $i++) {
            $ecc = array_slice($this->eccCode, $eccPos);
            $this->rsBlocks[$blockNo] = new RsBlock($dl, array_slice($this->dataCode, $dataPos), $el, $ecc, $rs);
            $this->eccCode = array_merge(array_slice($this->eccCode, 0, $eccPos), $ecc);