@Override
	public RefType getOperandRefType(int opIndex) {
		// The operand Ref Type now depends on the flow Type of
		//  the instruction.  For instructions with flow,
		//  only those operands that refer to code should be given
		//  the flow type of the instruction.  Any other memory
		//  reference should be given a DataRef type.

		int opType = instrProto.getOpType(opIndex, this);

		if (OperandType.isDataReference(opType)) {
			if (getFlowType().isComputed()) {
				if (OperandType.isIndirect(opType)) {
					return RefType.INDIRECTION;
				}
			}
			return RefType.DATA;
		}

		// code references get
		if (OperandType.isCodeReference(opType)) {
			return instrProto.getFlowType(this);
		}

		return RefType.DATA;
	}
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