public int getPDisp() throws InvalidDataTypeException {
		return getPmdValue(PDISP_ORDINAL);
	}
Gets the vbtable displacement for this RTTI 1.
@return the vbtable displacement
@throws InvalidDataTypeException if this isn't a valid model at the specified address.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/rtti/Rtti1Model.java