fSubCellCaretPosition++;

    	handleRightArrowKey();

        if(fSubCellCaretPosition >= getCellCharacterCount())

        {

            fSubCellCaretPosition = 0;

            fCaretAddress = fCaretAddress.add(BigInteger

                .valueOf(getNumberOfBytesRepresentedByColumn() / fRendering.getAddressableSize()));

        }

        updateCaret();

        ensureCaretWithinViewport();