// license:BSD-3-Clause // copyright-holders:Fabio Priuli /********************************************************************** Sega SG-1000/Mark-III/SMS "Rapid Fire Unit" emulation **********************************************************************/ #ifndef MAME_BUS_SMS_CTRL_RFU_H #define MAME_BUS_SMS_CTRL_RFU_H #pragma once #include "smsctrl.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> sms_rapid_fire_device class sms_rapid_fire_device : public device_t, public device_sms_control_port_interface { public: // construction/destruction sms_rapid_fire_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; virtual void device_add_mconfig(machine_config &config) override; // device_sms_control_port_interface overrides virtual uint8_t peripheral_r() override; virtual void peripheral_w(uint8_t data) override; private: DECLARE_WRITE_LINE_MEMBER(th_pin_w); DECLARE_READ32_MEMBER(pixel_r); required_ioport m_rfire_sw; required_device m_subctrl_port; uint8_t m_read_state; attotime m_start_time; const attotime m_interval; }; // device type definition DECLARE_DEVICE_TYPE(SMS_RAPID_FIRE, sms_rapid_fire_device) #endif // MAME_BUS_SMS_CTRL_RFU_H