diff --git a/src/emu/devcb.h b/src/emu/devcb.h
index 685671c34cd..fd966a7afc1 100644
--- a/src/emu/devcb.h
+++ b/src/emu/devcb.h
@@ -50,8 +50,8 @@ typedef device_delegate<void (int)> write_line_delegate;
 
 namespace emu::detail {
 
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read_line_delegate, std::remove_reference_t<T> > > > { using type = read_line_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write_line_delegate, std::remove_reference_t<T> > > > { using type = write_line_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read_line_delegate, std::remove_reference_t<T> > > > { using type = read_line_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write_line_delegate, std::remove_reference_t<T> > > > { using type = write_line_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
 
 } // namespace emu::detail
 
@@ -70,6 +70,10 @@ public:
 	virtual void validity_check(validity_checker &valid) const = 0;
 
 protected:
+	// This is in C++17 but not C++14
+	template <typename... T> struct void_wrapper { using type = void; };
+	template <typename... T> using void_t = typename void_wrapper<T...>::type;
+
 	// Intermediate is larger of input and output, mask is forced to unsigned
 	template <typename T, typename U, typename Enable = void> struct intermediate;
 	template <typename T, typename U> struct intermediate<T, U, std::enable_if_t<sizeof(T) >= sizeof(U)> > { using type = T; };
@@ -224,19 +228,19 @@ protected:
 
 	// Detecting candidates for read delegates
 	template <typename T, typename Enable = void> struct is_read_method { static constexpr bool value = false; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read8s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read16s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read32s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read64s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read8sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read16sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read32sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read64sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read8smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read16smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read32smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read64smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_read_method<T, std::void_t<emu::detail::rw_device_class_t<read_line_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read8s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read16s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read32s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read64s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read8sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read16sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read32sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read64sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read8smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read16smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read32smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read64smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_read_method<T, void_t<emu::detail::rw_device_class_t<read_line_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
 
 	// Invoking read callbacks
 	template <typename Result, typename T> static std::enable_if_t<is_read_form1<Result, T>::value, mask_t<read_result_t<Result, T>, Result> > invoke_read(T const &cb, offs_t offset, std::make_unsigned_t<Result> mem_mask) { return std::make_unsigned_t<read_result_t<Result, T> >(cb(offset, mem_mask)); }
@@ -274,26 +278,26 @@ protected:
 	template <typename Input, typename Func, typename Enable = void> struct is_write_form1 { static constexpr bool value = false; };
 	template <typename Input, typename Func, typename Enable = void> struct is_write_form2 { static constexpr bool value = false; };
 	template <typename Input, typename Func, typename Enable = void> struct is_write_form3 { static constexpr bool value = false; };
-	template <typename Input, typename Func> struct is_write_form1<Input, Func, std::void_t<std::result_of_t<Func (offs_t, Input, std::make_unsigned_t<Input>)> > > { static constexpr bool value = true; };
-	template <typename Input, typename Func> struct is_write_form2<Input, Func, std::void_t<std::result_of_t<Func (offs_t, Input)> > > { static constexpr bool value = true; };
-	template <typename Input, typename Func> struct is_write_form3<Input, Func, std::void_t<std::result_of_t<Func (Input)> > > { static constexpr bool value = true; };
+	template <typename Input, typename Func> struct is_write_form1<Input, Func, void_t<std::result_of_t<Func (offs_t, Input, std::make_unsigned_t<Input>)> > > { static constexpr bool value = true; };
+	template <typename Input, typename Func> struct is_write_form2<Input, Func, void_t<std::result_of_t<Func (offs_t, Input)> > > { static constexpr bool value = true; };
+	template <typename Input, typename Func> struct is_write_form3<Input, Func, void_t<std::result_of_t<Func (Input)> > > { static constexpr bool value = true; };
 	template <typename Input, typename Func> struct is_write { static constexpr bool value = is_write_form1<Input, Func>::value || is_write_form2<Input, Func>::value || is_write_form3<Input, Func>::value; };
 
 	// Detecting candidates for write delegates
 	template <typename T, typename Enable = void> struct is_write_method { static constexpr bool value = false; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write8s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write16s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write32s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write64s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write8sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write16sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write32sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write64sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write8smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write16smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write32smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write64smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
-	template <typename T> struct is_write_method<T, std::void_t<emu::detail::rw_device_class_t<write_line_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write8s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write16s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write32s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write64s_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write8sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write16sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write32sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write64sm_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write8smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write16smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write32smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write64smo_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
+	template <typename T> struct is_write_method<T, void_t<emu::detail::rw_device_class_t<write_line_delegate, std::remove_reference_t<T> > > > { static constexpr bool value = true; };
 
 	// Invoking write callbacks
 	template <typename Input, typename T> static std::enable_if_t<is_write_form1<Input, T>::value> invoke_write(T const &cb, offs_t &offset, Input data, std::make_unsigned_t<Input> mem_mask) { return cb(offset, data, mem_mask); }
diff --git a/src/emu/emumem.h b/src/emu/emumem.h
index 1270d1e264a..e9a2fe0029a 100644
--- a/src/emu/emumem.h
+++ b/src/emu/emumem.h
@@ -156,6 +156,10 @@ using write64smo_delegate = device_delegate<void (u64)>;
 
 namespace emu::detail {
 
+// TODO: replace with std::void_t when we move to C++17
+template <typename... T> struct void_wrapper { using type = void; };
+template <typename... T> using void_t = typename void_wrapper<T...>::type;
+
 template <typename D, typename T, typename Enable = void> struct rw_device_class  { };
 
 template <typename D, typename T, typename Ret, typename... Params>
@@ -168,54 +172,54 @@ struct rw_device_class<D, Ret (*)(T &, Params...), std::enable_if_t<std::is_cons
 template <typename D, typename T> using rw_device_class_t  = typename rw_device_class<D, T>::type;
 
 template <typename T, typename Enable = void> struct rw_delegate_type;
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8_delegate, std::remove_reference_t<T> > > > { using type = read8_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16_delegate, std::remove_reference_t<T> > > > { using type = read16_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32_delegate, std::remove_reference_t<T> > > > { using type = read32_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64_delegate, std::remove_reference_t<T> > > > { using type = read64_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8m_delegate, std::remove_reference_t<T> > > > { using type = read8m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16m_delegate, std::remove_reference_t<T> > > > { using type = read16m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32m_delegate, std::remove_reference_t<T> > > > { using type = read32m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64m_delegate, std::remove_reference_t<T> > > > { using type = read64m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8s_delegate, std::remove_reference_t<T> > > > { using type = read8s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16s_delegate, std::remove_reference_t<T> > > > { using type = read16s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32s_delegate, std::remove_reference_t<T> > > > { using type = read32s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64s_delegate, std::remove_reference_t<T> > > > { using type = read64s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8sm_delegate, std::remove_reference_t<T> > > > { using type = read8sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16sm_delegate, std::remove_reference_t<T> > > > { using type = read16sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32sm_delegate, std::remove_reference_t<T> > > > { using type = read32sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64sm_delegate, std::remove_reference_t<T> > > > { using type = read64sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8mo_delegate, std::remove_reference_t<T> > > > { using type = read8mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16mo_delegate, std::remove_reference_t<T> > > > { using type = read16mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32mo_delegate, std::remove_reference_t<T> > > > { using type = read32mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64mo_delegate, std::remove_reference_t<T> > > > { using type = read64mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read8smo_delegate, std::remove_reference_t<T> > > > { using type = read8smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read16smo_delegate, std::remove_reference_t<T> > > > { using type = read16smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read32smo_delegate, std::remove_reference_t<T> > > > { using type = read32smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<read64smo_delegate, std::remove_reference_t<T> > > > { using type = read64smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8_delegate, std::remove_reference_t<T> > > > { using type = write8_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16_delegate, std::remove_reference_t<T> > > > { using type = write16_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32_delegate, std::remove_reference_t<T> > > > { using type = write32_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64_delegate, std::remove_reference_t<T> > > > { using type = write64_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8m_delegate, std::remove_reference_t<T> > > > { using type = write8m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16m_delegate, std::remove_reference_t<T> > > > { using type = write16m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32m_delegate, std::remove_reference_t<T> > > > { using type = write32m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64m_delegate, std::remove_reference_t<T> > > > { using type = write64m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8s_delegate, std::remove_reference_t<T> > > > { using type = write8s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16s_delegate, std::remove_reference_t<T> > > > { using type = write16s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32s_delegate, std::remove_reference_t<T> > > > { using type = write32s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64s_delegate, std::remove_reference_t<T> > > > { using type = write64s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8sm_delegate, std::remove_reference_t<T> > > > { using type = write8sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16sm_delegate, std::remove_reference_t<T> > > > { using type = write16sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32sm_delegate, std::remove_reference_t<T> > > > { using type = write32sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64sm_delegate, std::remove_reference_t<T> > > > { using type = write64sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8mo_delegate, std::remove_reference_t<T> > > > { using type = write8mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16mo_delegate, std::remove_reference_t<T> > > > { using type = write16mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32mo_delegate, std::remove_reference_t<T> > > > { using type = write32mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64mo_delegate, std::remove_reference_t<T> > > > { using type = write64mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write8smo_delegate, std::remove_reference_t<T> > > > { using type = write8smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write16smo_delegate, std::remove_reference_t<T> > > > { using type = write16smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write32smo_delegate, std::remove_reference_t<T> > > > { using type = write32smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
-template <typename T> struct rw_delegate_type<T, std::void_t<rw_device_class_t<write64smo_delegate, std::remove_reference_t<T> > > > { using type = write64smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8_delegate, std::remove_reference_t<T> > > > { using type = read8_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16_delegate, std::remove_reference_t<T> > > > { using type = read16_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32_delegate, std::remove_reference_t<T> > > > { using type = read32_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64_delegate, std::remove_reference_t<T> > > > { using type = read64_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8m_delegate, std::remove_reference_t<T> > > > { using type = read8m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16m_delegate, std::remove_reference_t<T> > > > { using type = read16m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32m_delegate, std::remove_reference_t<T> > > > { using type = read32m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64m_delegate, std::remove_reference_t<T> > > > { using type = read64m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8s_delegate, std::remove_reference_t<T> > > > { using type = read8s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16s_delegate, std::remove_reference_t<T> > > > { using type = read16s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32s_delegate, std::remove_reference_t<T> > > > { using type = read32s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64s_delegate, std::remove_reference_t<T> > > > { using type = read64s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8sm_delegate, std::remove_reference_t<T> > > > { using type = read8sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16sm_delegate, std::remove_reference_t<T> > > > { using type = read16sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32sm_delegate, std::remove_reference_t<T> > > > { using type = read32sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64sm_delegate, std::remove_reference_t<T> > > > { using type = read64sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8mo_delegate, std::remove_reference_t<T> > > > { using type = read8mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16mo_delegate, std::remove_reference_t<T> > > > { using type = read16mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32mo_delegate, std::remove_reference_t<T> > > > { using type = read32mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64mo_delegate, std::remove_reference_t<T> > > > { using type = read64mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read8smo_delegate, std::remove_reference_t<T> > > > { using type = read8smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read16smo_delegate, std::remove_reference_t<T> > > > { using type = read16smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read32smo_delegate, std::remove_reference_t<T> > > > { using type = read32smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<read64smo_delegate, std::remove_reference_t<T> > > > { using type = read64smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8_delegate, std::remove_reference_t<T> > > > { using type = write8_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16_delegate, std::remove_reference_t<T> > > > { using type = write16_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32_delegate, std::remove_reference_t<T> > > > { using type = write32_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64_delegate, std::remove_reference_t<T> > > > { using type = write64_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8m_delegate, std::remove_reference_t<T> > > > { using type = write8m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16m_delegate, std::remove_reference_t<T> > > > { using type = write16m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32m_delegate, std::remove_reference_t<T> > > > { using type = write32m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64m_delegate, std::remove_reference_t<T> > > > { using type = write64m_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8s_delegate, std::remove_reference_t<T> > > > { using type = write8s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16s_delegate, std::remove_reference_t<T> > > > { using type = write16s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32s_delegate, std::remove_reference_t<T> > > > { using type = write32s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64s_delegate, std::remove_reference_t<T> > > > { using type = write64s_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8sm_delegate, std::remove_reference_t<T> > > > { using type = write8sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16sm_delegate, std::remove_reference_t<T> > > > { using type = write16sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32sm_delegate, std::remove_reference_t<T> > > > { using type = write32sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64sm_delegate, std::remove_reference_t<T> > > > { using type = write64sm_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8mo_delegate, std::remove_reference_t<T> > > > { using type = write8mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16mo_delegate, std::remove_reference_t<T> > > > { using type = write16mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32mo_delegate, std::remove_reference_t<T> > > > { using type = write32mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64mo_delegate, std::remove_reference_t<T> > > > { using type = write64mo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write8smo_delegate, std::remove_reference_t<T> > > > { using type = write8smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write16smo_delegate, std::remove_reference_t<T> > > > { using type = write16smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write32smo_delegate, std::remove_reference_t<T> > > > { using type = write32smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
+template <typename T> struct rw_delegate_type<T, void_t<rw_device_class_t<write64smo_delegate, std::remove_reference_t<T> > > > { using type = write64smo_delegate; using device_class = rw_device_class_t<type, std::remove_reference_t<T> >; };
 template <typename T> using rw_delegate_type_t = typename rw_delegate_type<T>::type;
 template <typename T> using rw_delegate_device_class_t = typename rw_delegate_type<T>::device_class;