[Feature] DaedalusVm: Expose TopIsReference and PopReference for Ikarus _@ address-of operator

[JaXt0r]

The Ikarus _@ / MEM_GetIntAddress functions (e.g., _@s, _@f, ...) return the virtual address of a Daedalus variable. They work by inspecting the raw VM stack to retrieve a symbol reference before it is consumed as a value. This requires two APIs that are not currently exposed in the C# wrapper.

Reference OpenGothic (directmemory.cpp):

auto _takeref(zenkit::DaedalusVm& vm) -> zenkit::DaedalusNakedCall {
  if (vm.top_is_reference()) {
	  auto [ref, idx, context] = vm.pop_reference();
          ...
  }
  ...
}
vm.override_function("_@",  [this](zenkit::DaedalusVm& vm) { return _takeref(vm); });
vm.override_function("_@s", [this](zenkit::DaedalusVm& vm) { return _takeref(vm); });
vm.override_function("_@f", [this](zenkit::DaedalusVm& vm) { return _takeref(vm); });

Requested C# API:

• DaedalusVm.TopIsReference
• DaedalusVm.PopReference();