@Override
	public Address oldGetAddressFromLong(long value) {
		int spaceId = (int) (value >> 48);
		long offset = value & 0xFFFFFFFFL;

		AddressSpace space = spaceLookup.get(spaceId);
		if (space == null) {
			throw new AddressOutOfBoundsException(
				"Unable to decode old address - space not found (spaceId=" + spaceId + ")");
		}
		return space.getAddress(offset);
	}
@see ghidra.program.model.address.AddressFactory#getAddress(java.lang.String)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/DefaultAddressFactory.java