@Override
	public void parseData() throws IOException, OmfException {
		segId =
			largeSegmentId ? dataReader.readNextUnsignedShort() : dataReader.readNextUnsignedByte();
		offset = dataReader.readNextUnsignedShort();
		dataIndex = dataReader.getPointerIndex();
		dataSize = (int) (dataEnd - dataIndex);
	}
Creates a new {@link Omf51Content} record

@param reader A {@link BinaryReader} positioned at the start of the record
@param largeSegmentId True if the segment ID is 2 bytes; false if 1 byte
@throws IOException if an IO-related error occurred
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/omf/omf51/Omf51Content.java