Remove PORT_ROTATED from the core. This automatic joystick remapping feature has not been enabled in any driver for years.

Author: ajrhacker

docs/source/luascript/ref-input.rst

@@ -339,9 +339,6 @@ field.cocktail (read-only)
 field.toggle (read-only)
     A Boolean indicating whether the field corresponds to a hardware toggle
     switch or push-on, push-off button.
-field.rotated (read-only)
-    A Boolean indicating whether the field corresponds to a control that is
-    rotated relative its standard orientation.
 field.analog_reverse (read-only)
     A Boolean indicating whether the field corresponds to an analog control that
     increases in the opposite direction to the convention (e.g. larger values

src/emu/inputdev.cpp

@@ -107,7 +107,7 @@ class input_device_absolute_item : public input_device_item
 
 // standard joystick mappings
 const char          input_class_joystick::map_8way[] = "7778...4445";
-const char          input_class_joystick::map_4way_diagonal[] = "4444s8888..444458888.444555888.ss5.222555666.222256666.2222s6666.2222s6666";
+// const char          input_class_joystick::map_4way_diagonal[] = "4444s8888..444458888.444555888.ss5.222555666.222256666.2222s6666.2222s6666";
 // const char          input_class_joystick::map_4way_sticky[] = "s8.4s8.44s8.4445";
 
 
@@ -669,28 +669,6 @@ input_class_joystick::input_class_joystick(input_manager &manager)
 }
 
 
-//-------------------------------------------------
-//  set_global_joystick_map - set the map for all
-//  joysticks
-//-------------------------------------------------
-
-bool input_class_joystick::set_global_joystick_map(const char *mapstring)
-{
-	// parse the map
-	joystick_map map;
-	if (!map.parse(mapstring))
-		return false;
-
-	osd_printf_verbose("Input: Changing default joystick map = %s\n", map.to_string());
-
-	// iterate over joysticks and set the map
-	for (int joynum = 0; joynum <= maxindex(); joynum++)
-		if (device(joynum) != nullptr)
-			downcast<input_device_joystick &>(*device(joynum)).set_joystick_map(map);
-	return true;
-}
-
-
 //**************************************************************************
 //  INPUT DEVICE ITEM
 //**************************************************************************

src/emu/inputdev.h

@@ -380,12 +380,8 @@ class input_class_joystick : public input_class
 	// construction/destruction
 	input_class_joystick(input_manager &manager);
 
-	// misc
-	bool set_global_joystick_map(const char *mapstring);
-
 	// standard joystick maps
 	static const char map_8way[];
-	static const char map_4way_diagonal[];
 
 protected:
 	// specific overrides

src/emu/ioport.cpp

@@ -1871,18 +1871,6 @@ time_t ioport_manager::initialize()
 	init_autoselect_devices({ IPT_TRACKBALL_X, IPT_TRACKBALL_Y },                  OPTION_TRACKBALL_DEVICE,  "trackball");
 	init_autoselect_devices({ IPT_MOUSE_X,     IPT_MOUSE_Y },                      OPTION_MOUSE_DEVICE,      "mouse");
 
-	// look for 4-way diagonal joysticks and change the default map if we find any
-	const char *joystick_map_default = machine().options().joystick_map();
-	if (joystick_map_default[0] == 0 || strcmp(joystick_map_default, "auto") == 0)
-		for (auto &port : m_portlist)
-			for (ioport_field const &field : port.second->fields())
-				if (field.live().joystick != nullptr && field.rotated())
-				{
-					input_class_joystick &devclass = downcast<input_class_joystick &>(machine().input().device_class(DEVICE_CLASS_JOYSTICK));
-					devclass.set_global_joystick_map(input_class_joystick::map_4way_diagonal);
-					break;
-				}
-
 	// register callbacks for when we load configurations
 	machine().configuration().config_register(
 			"input",

src/emu/ioport.h

@@ -561,11 +561,10 @@ class ioport_field
 	// flags for ioport_fields
 	static inline constexpr u32 FIELD_FLAG_COCKTAIL = 0x0001;    // set if this field is relevant only for cocktail cabinets
 	static inline constexpr u32 FIELD_FLAG_TOGGLE =   0x0002;    // set if this field should behave as a toggle
-	static inline constexpr u32 FIELD_FLAG_ROTATED =  0x0004;    // set if this field represents a rotated control
-	static inline constexpr u32 ANALOG_FLAG_REVERSE = 0x0008;    // analog only: reverse the sense of the axis
-	static inline constexpr u32 ANALOG_FLAG_RESET =   0x0010;    // analog only: always preload in->default for relative axes, returning only deltas
-	static inline constexpr u32 ANALOG_FLAG_WRAPS =   0x0020;    // analog only: positional count wraps around
-	static inline constexpr u32 ANALOG_FLAG_INVERT =  0x0040;    // analog only: bitwise invert bits
+	static inline constexpr u32 ANALOG_FLAG_REVERSE = 0x0004;    // analog only: reverse the sense of the axis
+	static inline constexpr u32 ANALOG_FLAG_RESET =   0x0008;    // analog only: always preload in->default for relative axes, returning only deltas
+	static inline constexpr u32 ANALOG_FLAG_WRAPS =   0x0010;    // analog only: positional count wraps around
+	static inline constexpr u32 ANALOG_FLAG_INVERT =  0x0020;    // analog only: bitwise invert bits
 
 public:
 	// construction/destruction
@@ -594,7 +593,6 @@ class ioport_field
 
 	bool cocktail() const { return ((m_flags & FIELD_FLAG_COCKTAIL) != 0); }
 	bool toggle() const { return ((m_flags & FIELD_FLAG_TOGGLE) != 0); }
-	bool rotated() const { return ((m_flags & FIELD_FLAG_ROTATED) != 0); }
 	bool analog_reverse() const { return ((m_flags & ANALOG_FLAG_REVERSE) != 0); }
 	bool analog_reset() const { return ((m_flags & ANALOG_FLAG_RESET) != 0); }
 	bool analog_wraps() const { return ((m_flags & ANALOG_FLAG_WRAPS) != 0); }
@@ -1049,7 +1047,6 @@ class ioport_configurer
 	ioport_configurer& field_add_char(std::initializer_list<char32_t> charlist);
 	ioport_configurer& field_add_code(input_seq_type which, input_code code);
 	ioport_configurer& field_set_way(int way) { m_curfield->m_way = way; return *this; }
-	ioport_configurer& field_set_rotated() { m_curfield->m_flags |= ioport_field::FIELD_FLAG_ROTATED; return *this; }
 	ioport_configurer& field_set_name(const char *name) { assert(m_curfield != nullptr); m_curfield->m_name = string_from_token(name); return *this; }
 	ioport_configurer& field_set_player(int player) { m_curfield->m_player = player - 1; return *this; }
 	ioport_configurer& field_set_cocktail() { m_curfield->m_flags |= ioport_field::FIELD_FLAG_COCKTAIL; field_set_player(2); return *this; }
@@ -1176,9 +1173,6 @@ ATTR_COLD void INPUT_PORTS_NAME(_name)(device_t &owner, ioport_list &portlist, s
 #define PORT_16WAY \
 	configurer.field_set_way(16);
 
-#define PORT_ROTATED \
-	configurer.field_set_rotated();
-
 // general flags
 #define PORT_NAME(_name) \
 	configurer.field_set_name(_name);

src/frontend/mame/luaengine_input.cpp

@@ -357,7 +357,6 @@ void lua_engine::initialize_input(sol::table &emu)
 	ioport_field_type["enabled"] = sol::property(&ioport_field::enabled);
 	ioport_field_type["cocktail"] = sol::property(&ioport_field::cocktail);
 	ioport_field_type["toggle"] = sol::property(&ioport_field::toggle);
-	ioport_field_type["rotated"] = sol::property(&ioport_field::rotated);
 	ioport_field_type["analog_reverse"] = sol::property(&ioport_field::analog_reverse);
 	ioport_field_type["analog_reset"] = sol::property(&ioport_field::analog_reset);
 	ioport_field_type["analog_wraps"] = sol::property(&ioport_field::analog_wraps);