// license:BSD-3-Clause // copyright-holders:Fabio Priuli /********************************************************************** Nintendo Super Famicom & SNES controller port emulation **********************************************************************/ #ifndef MAME_BUS_SNES_CTRL_CTRL_H #define MAME_BUS_SNES_CTRL_CTRL_H #pragma once //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class snes_control_port_device; // ======================> device_snes_control_port_interface class device_snes_control_port_interface : public device_interface { public: virtual ~device_snes_control_port_interface(); virtual uint8_t read_pin4() { return 0; } virtual uint8_t read_pin5() { return 0; } virtual void write_pin6(uint8_t data) { } virtual void write_strobe(uint8_t data) { } virtual void port_poll() { } protected: device_snes_control_port_interface(const machine_config &mconfig, device_t &device); snes_control_port_device *m_port; }; #define SNESCTRL_ONSCREEN_CB(name) bool name(int16_t x, int16_t y) #define SNESCTRL_GUNLATCH_CB(name) void name(int16_t x, int16_t y) // ======================> snes_control_port_device class snes_control_port_device : public device_t, public device_single_card_slot_interface { public: typedef device_delegate onscreen_delegate; typedef device_delegate gunlatch_delegate; // construction/destruction template snes_control_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) : snes_control_port_device(mconfig, tag, owner, 0) { option_reset(); opts(*this); set_default_option(dflt); set_fixed(false); } snes_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); virtual ~snes_control_port_device(); template void set_onscreen_callback(T &&... args) { m_onscreen_cb.set(std::forward(args)...); } template void set_gunlatch_callback(T &&... args) { m_gunlatch_cb.set(std::forward(args)...); } uint8_t read_pin4(); uint8_t read_pin5(); void write_pin6(uint8_t data); void write_strobe(uint8_t data); void port_poll(); bool onscreen_cb(int16_t x, int16_t y) { return m_onscreen_cb.isnull() ? true : m_onscreen_cb(x, y); } void gunlatch_cb(int16_t x, int16_t y) { if (!m_gunlatch_cb.isnull()) m_gunlatch_cb(x, y); } protected: // device-level overrides virtual void device_start() override; onscreen_delegate m_onscreen_cb; gunlatch_delegate m_gunlatch_cb; device_snes_control_port_interface *m_device; }; // device type definition DECLARE_DEVICE_TYPE(SNES_CONTROL_PORT, snes_control_port_device) void snes_control_port_devices(device_slot_interface &device); #endif // MAME_BUS_SNES_CTRL_CTRL_H