// license:BSD-3-Clause // copyright-holders:Ryan Holtz #ifndef MAME_MACHINE_DP8573A_H #define MAME_MACHINE_DP8573A_H #pragma once #include "dirtc.h" class dp8573a_device : public device_t, public device_nvram_interface, public device_rtc_interface { public: dp8573a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 32'768); virtual void write(offs_t offset, uint8_t data); virtual uint8_t read(offs_t offset); void pfail_w(int state) {} auto intr() { return m_intr_cb.bind(); } auto mfo() { return m_mfo_cb.bind(); } protected: dp8573a_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device_t implementation virtual void device_start() override ATTR_COLD; // device_nvram_interface implementation virtual void nvram_default() override; virtual bool nvram_read(util::read_stream &file) override; virtual bool nvram_write(util::write_stream &file) override; // device_rtc_interface implementation virtual bool rtc_feature_y2k() const override { return false; } virtual bool rtc_feature_leap_year() const override { return true; } virtual void rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second) override; void save_registers(); void set_interrupt(uint8_t mask); void clear_interrupt(uint8_t mask); TIMER_CALLBACK_MEMBER(msec_tick); virtual unsigned const ram_size() { return 32; } std::unique_ptr m_ram; uint8_t m_tscr; uint8_t m_pfr; uint8_t m_millis; emu_timer *m_timer; devcb_write_line m_intr_cb; devcb_write_line m_mfo_cb; }; class dp8572a_device : public dp8573a_device { public: dp8572a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void write(offs_t offset, uint8_t data) override; virtual uint8_t read(offs_t offset) override; protected: virtual unsigned const ram_size() override { return 64; } }; DECLARE_DEVICE_TYPE(DP8572A, dp8572a_device) DECLARE_DEVICE_TYPE(DP8573A, dp8573a_device) #endif // MAME_MACHINE_DP8573A_H