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-rw-r--r--src/devices/machine/ds1302.h34
1 files changed, 24 insertions, 10 deletions
diff --git a/src/devices/machine/ds1302.h b/src/devices/machine/ds1302.h
index 1ad43bd0d35..6d79cbb2c11 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;
// 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