// license:BSD-3-Clause // copyright-holders:smf #ifndef MAME_MACHINE_CLOCK_H #define MAME_MACHINE_CLOCK_H #pragma once class clock_device : public device_t { public: auto signal_handler() { return m_signal_handler.bind(); } DECLARE_READ_LINE_MEMBER(signal_r) { return m_signal; } clock_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual void device_start() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; virtual void device_clock_changed() override; private: int m_signal; emu_timer *m_timer; devcb_write_line m_signal_handler; }; DECLARE_DEVICE_TYPE(CLOCK, clock_device) #endif // MAME_MACHINE_CLOCK_H