// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** OKI MSM5832 Real Time Clock/Calendar emulation ********************************************************************** _____ _____ Vdd 1 |* \_/ | 18 HOLD WRITE 2 | | 17 _XT READ 3 | | 16 XT A0 4 | | 15 +- 30 ADJ A1 5 | MSM5832 | 14 TEST A2 6 | | 13 GND A3 7 | | 12 D3 CS 8 | | 11 D2 D0 9 |_____________| 10 D1 **********************************************************************/ #ifndef MAME_MACHINE_MSM5832_H #define MAME_MACHINE_MSM5832_H #pragma once #include "dirtc.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> msm5832_device class msm5832_device : public device_t, public device_rtc_interface { public: // construction/destruction msm5832_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); uint8_t data_r(); void data_w(uint8_t data); void address_w(uint8_t data); DECLARE_WRITE_LINE_MEMBER( adj_w ); DECLARE_WRITE_LINE_MEMBER( test_w ); DECLARE_WRITE_LINE_MEMBER( hold_w ); DECLARE_WRITE_LINE_MEMBER( read_w ); DECLARE_WRITE_LINE_MEMBER( write_w ); DECLARE_WRITE_LINE_MEMBER( cs_w ); protected: // device-level overrides virtual void device_start() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; // device_rtc_interface overrides virtual void rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second) override; private: static constexpr device_timer_id TIMER_CLOCK = 0; inline int read_counter(int counter); inline void write_counter(int counter, int value); uint8_t m_reg[13]; // registers int m_hold; // counter hold uint8_t m_address; // address uint8_t m_data; // latched data int m_read; int m_write; int m_cs; // timers emu_timer *m_clock_timer; }; // device type definition DECLARE_DEVICE_TYPE(MSM5832, msm5832_device) #endif // MAME_MACHINE_MSM5832_H