diff options
Diffstat (limited to 'src/devices/machine/pcf8593.h')
-rw-r--r-- | src/devices/machine/pcf8593.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/devices/machine/pcf8593.h b/src/devices/machine/pcf8593.h index 2b6d76bc853..27f112f68c5 100644 --- a/src/devices/machine/pcf8593.h +++ b/src/devices/machine/pcf8593.h @@ -24,15 +24,14 @@ class pcf8593_device : public device_t, public: pcf8593_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); - DECLARE_WRITE_LINE_MEMBER(scl_w); - DECLARE_WRITE_LINE_MEMBER(sda_w); - DECLARE_READ_LINE_MEMBER(sda_r); + void scl_w(int state); + void sda_w(int state); + int sda_r(); protected: // 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_rtc_interface overrides virtual bool rtc_feature_y2k() const override { return true; } @@ -40,14 +39,14 @@ protected: // 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; + + TIMER_CALLBACK_MEMBER(clock_tick); private: void clear_buffer_rx(); - static const device_timer_id TIMER_UPDATE_COUNTER = 0; - // internal state uint8_t m_data[16]; int m_pin_scl; |