public int parseUnsignedByteVal() throws PdbException {
		checkLimit(1);
		return bytes[index++] & 0xff;
	}
Parses a single byte (unsigned char) of data from the PdbByteReader and returns its
 positive integer value.
@return The positive integer value of the parsed byte.
@throws PdbException Upon not enough data left to parse.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/PdbByteReader.java