// license:BSD-3-Clause // copyright-holders:David Haywood #ifndef MAME_MACHINE_XAVIX_MTRK_WHEEL_H #define MAME_MACHINE_XAVIX_MTRK_WHEEL_H #pragma once #include "machine/timer.h" DECLARE_DEVICE_TYPE(XAVIX_MTRK_WHEEL, xavix_mtrk_wheel_device) class xavix_mtrk_wheel_device : public device_t { public: // construction/destruction xavix_mtrk_wheel_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto event_out_cb() { return m_event_out_cb.bind(); } int read_direction(); DECLARE_INPUT_CHANGED_MEMBER( changed ); protected: virtual void device_start() override; virtual void device_reset() override; virtual ioport_constructor device_input_ports() const override; private: devcb_write_line m_event_out_cb; required_ioport m_in; TIMER_CALLBACK_MEMBER(event_timer); emu_timer *m_event_timer; int m_direction; void check_wheel(); int m_is_running; }; #endif // MAME_MACHINE_XAVIX_MTRK_WHEEL_H