private void checkInitialized(int index) {
			if ((initialized & (1 << (index))) == 0) {
				throw new LowlevelError(
					"Attempted to read uninitialized memory in the unique space.");
			}
		}
Returns true precisely when the entire word is initialized.
@return true if entire work initialized
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/memstate/UniqueMemoryBank.java