// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** OKI MSM58321RS Real Time Clock/Calendar emulation ********************************************************************** _____ _____ CS2 1 |* \_/ | 16 Vdd WRITE 2 | | 15 XT READ 3 | | 14 _XT D0 4 | MSM58321 | 13 CS1 D1 5 | RTC58321 | 12 TEST D2 6 | | 11 STOP D3 7 | | 10 _BUSY GND 8 |_____________| 9 ADDRESS WRITE _____ _____ NC 1 |* \_/ | 24 Vdd NC 2 | | 23 Vdd NC 3 | | 22 Vdd NC 4 | | 21 Vdd CS2 5 | | 20 Vdd WRITE 6 | | 19 Vdd READ 7 | RTC58323 | 18 Vdd D0 8 | | 17 CS1 D1 9 | | 16 TEST D2 10 | | 15 STOP D3 11 | | 14 _BUSY GND 12 |_____________| 13 ADDRESS WRITE **********************************************************************/ #ifndef MAME_MACHINE_MSM58321_H #define MAME_MACHINE_MSM58321_H #pragma once #include "dirtc.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MSM58321_D0_HANDLER(_devcb) \ devcb = &downcast(*device).set_d0_handler(DEVCB_##_devcb); #define MCFG_MSM58321_D1_HANDLER(_devcb) \ devcb = &downcast(*device).set_d1_handler(DEVCB_##_devcb); #define MCFG_MSM58321_D2_HANDLER(_devcb) \ devcb = &downcast(*device).set_d2_handler(DEVCB_##_devcb); #define MCFG_MSM58321_D3_HANDLER(_devcb) \ devcb = &downcast(*device).set_d3_handler(DEVCB_##_devcb); #define MCFG_MSM58321_BUSY_HANDLER(_devcb) \ devcb = &downcast(*device).set_busy_handler(DEVCB_##_devcb); #define MCFG_MSM58321_YEAR0(_year0) \ downcast(*device).set_year0(_year0); #define MCFG_MSM58321_DEFAULT_24H(_default_24h) \ downcast(*device).set_default_24h(_default_24h); // ======================> msm58321_device class msm58321_device : public device_t, public device_rtc_interface, public device_nvram_interface { public: // construction/destruction msm58321_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // configuration helpers template devcb_base &set_d0_handler(Object &&cb) { return m_d0_handler.set_callback(std::forward(cb)); } template devcb_base &set_d1_handler(Object &&cb) { return m_d1_handler.set_callback(std::forward(cb)); } template devcb_base &set_d2_handler(Object &&cb) { return m_d2_handler.set_callback(std::forward(cb)); } template devcb_base &set_d3_handler(Object &&cb) { return m_d3_handler.set_callback(std::forward(cb)); } template devcb_base &set_busy_handler(Object &&cb) { return m_busy_handler.set_callback(std::forward(cb)); } void set_year0(int year0) { m_year0 = year0; } void set_default_24h(bool default_24h) { m_default_24h = default_24h; } DECLARE_WRITE_LINE_MEMBER( cs2_w ); DECLARE_WRITE_LINE_MEMBER( write_w ); DECLARE_WRITE_LINE_MEMBER( read_w ); DECLARE_WRITE_LINE_MEMBER( d0_w ); DECLARE_WRITE_LINE_MEMBER( d1_w ); DECLARE_WRITE_LINE_MEMBER( d2_w ); DECLARE_WRITE_LINE_MEMBER( d3_w ); DECLARE_WRITE_LINE_MEMBER( address_write_w ); DECLARE_WRITE_LINE_MEMBER( stop_w ); DECLARE_WRITE_LINE_MEMBER( test_w ); DECLARE_WRITE_LINE_MEMBER( cs1_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; virtual bool rtc_feature_y2k() const override { return m_year0 != 0; } // device_nvram_interface overrides virtual void nvram_default() override; virtual void nvram_read(emu_file &file) override; virtual void nvram_write(emu_file &file) override; private: static const device_timer_id TIMER_CLOCK = 0; static const device_timer_id TIMER_BUSY = 1; void update_input(); void update_output(); inline int read_counter(int counter); inline void write_counter(int counter, int value); int m_year0; bool m_default_24h; devcb_write_line m_d0_handler; devcb_write_line m_d1_handler; devcb_write_line m_d2_handler; devcb_write_line m_d3_handler; devcb_write_line m_busy_handler; int m_cs2; // chip select 2 int m_write; // write data int m_read; // read data int m_d0_in; // d0 int m_d0_out; // d0 int m_d1_in; // d1 int m_d1_out; // d1 int m_d2_in; // d2 int m_d2_out; // d2 int m_d3_in; // d3 int m_d3_out; // d3 int m_address_write; // write address int m_busy; // busy flag int m_stop; // stop flag int m_test; // test flag int m_cs1; // chip select 1 uint8_t m_address; // address latch uint8_t m_reg[13]; // registers // timers emu_timer *m_clock_timer; emu_timer *m_busy_timer; }; // device type definition DECLARE_DEVICE_TYPE(MSM58321, msm58321_device) #endif