private long parseString(String addr) {
		if (addr.startsWith("0x") || addr.startsWith("0X")) {
			return NumericUtilities.parseHexLong(addr.substring(2));
		}
		return NumericUtilities.parseHexLong(addr);
	}
@see ghidra.program.model.address.AddressSpace#add(ghidra.program.model.address.Address,
     long)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/SegmentedAddressSpace.java