@Override
	public int getParsedLength() {
		return isLengthOverridden() ? proto.getLength() : getLength();
	}
Get the original context used to establish the shared prototype
@param baseContextReg is a context register
@return prototype context value
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/InstructionDB.java