@Override
	public void overrideCounter(Address counter) {
		super.overrideCounter(counter);
		if (modifier != null) {
			modifier.initialExecuteCallback(emulate, counter, getContext());
		}
	}
Construct a modifier for the given language

@return the state modifier
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/ModifiedPcodeThread.java