@Override
	int read(Buffer buf, int offset) throws IndexOutOfBoundsException, IOException {
		updatingPrimitiveValue();
		value = buf.getByte(offset);
		return offset + 1;
	}
Construct a byte field with an initial value of b.
@param b initial value
@param immutable true if field value is immutable
Ghidra/Framework/DB/src/main/java/db/ByteField.java