@Override
	public Reference[] getOperandReferences(int opIndex) {
		Address toAddr = instrProto.getAddress(opIndex, this);
		if (toAddr == null) {
			return emptyMemRefs;
		}
		Reference ref = new MemReferenceImpl(address, toAddr, getOperandRefType(opIndex),
			SourceType.DEFAULT, opIndex, false);
		Reference refArray[] = new Reference[1];
		refArray[0] = ref;
		return refArray;
	}
Return the byte value repeated for all bytes within this instruction or null
if byte values vary.
@return repeated byte value or null if bytes vary
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/util/PseudoInstruction.java