@Override
	public String getDefaultOperandRepresentation(int opIndex) {
		List<Object> opList = getDefaultOperandRepresentationList(opIndex);
		if (opList == null) {
			return "<UNSUPPORTED>";
		}
		StringBuffer strBuf = new StringBuffer();
		for (Object opElem : opList) {
			if (opElem instanceof Address) {
				Address opAddr = (Address) opElem;
				strBuf.append("0x");
				strBuf.append(opAddr.toString(false));
			}
			else {
				strBuf.append(opElem.toString());
			}
		}
		return strBuf.toString();
	}
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