diff options
Diffstat (limited to 'src/devices/machine/ds1302.h')
-rw-r--r-- | src/devices/machine/ds1302.h | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/src/devices/machine/ds1302.h b/src/devices/machine/ds1302.h index 1ad43bd0d35..d838f093c7c 100644 --- a/src/devices/machine/ds1302.h +++ b/src/devices/machine/ds1302.h @@ -36,31 +36,35 @@ public: // construction/destruction ds1302_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - DECLARE_WRITE_LINE_MEMBER( ce_w ); - DECLARE_WRITE_LINE_MEMBER( sclk_w ); - DECLARE_WRITE_LINE_MEMBER( io_w ); - DECLARE_READ_LINE_MEMBER( io_r ); + void ce_w(int state); + void sclk_w(int state); + void io_w(int state); + int io_r(); protected: + ds1302_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint8_t ram_size); + // device-level overrides - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + virtual void device_start() override ATTR_COLD; // 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; + virtual bool nvram_read(util::read_stream &file) override; + virtual bool nvram_write(util::write_stream &file) 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_leap_year() const override { return true; } private: + TIMER_CALLBACK_MEMBER(clock_tick); + void load_shift_register(); void input_bit(); void output_bit(); + const uint8_t m_ram_size; + int m_ce; int m_clk; int m_io; @@ -72,14 +76,24 @@ private: uint8_t m_reg[9]; uint8_t m_user[9]; - uint8_t m_ram[0x20]; + uint8_t m_ram[31]; // timers emu_timer *m_clock_timer; }; +// ======================> ds1202_device + +class ds1202_device : public ds1302_device +{ +public: + // construction/destruction + ds1202_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); +}; + -// device type definition +// device type declarations +DECLARE_DEVICE_TYPE(DS1202, ds1202_device) DECLARE_DEVICE_TYPE(DS1302, ds1302_device) #endif // MAME_MACHINE_DS1302_H |