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Diffstat (limited to 'src/devices/machine/pcf8583.h')
-rw-r--r--src/devices/machine/pcf8583.h19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/devices/machine/pcf8583.h b/src/devices/machine/pcf8583.h
index b01eadc44fd..2086eeef6bf 100644
--- a/src/devices/machine/pcf8583.h
+++ b/src/devices/machine/pcf8583.h
@@ -80,15 +80,14 @@ public:
void set_a0(int a0) { m_slave_address = (m_slave_address & 0xfd) | (a0 << 1); }
- DECLARE_WRITE_LINE_MEMBER(a0_w);
- DECLARE_WRITE_LINE_MEMBER(scl_w);
- DECLARE_WRITE_LINE_MEMBER(sda_w);
- DECLARE_READ_LINE_MEMBER(sda_r);
+ void a0_w(int state);
+ 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_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; }
@@ -97,8 +96,10 @@ 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:
static constexpr uint8_t PCF8583_SLAVE_ADDRESS = 0xa0;
@@ -128,8 +129,6 @@ private:
CONTROL_STOP_BIT = 7
};
- static const device_timer_id TIMER_TICK = 0;
-
// get/set date
uint8_t get_date_year() { return (m_data[REG_YEAR_DATE] >> 6) & 3; }
void set_date_year(uint8_t year) { m_data[REG_YEAR_DATE] = (m_data[REG_YEAR_DATE] & 0x3f) | ((year % 4) << 6); }
@@ -166,7 +165,7 @@ private:
bool m_irq;
emu_timer * m_timer;
- enum { STATE_IDLE, STATE_DEVSEL, STATE_REGISTER, STATE_DATAIN, STATE_DATAOUT };
+ enum { STATE_IDLE, STATE_DEVSEL, STATE_REGISTER, STATE_DATAIN, STATE_DATAOUT, STATE_READSELACK };
};
// device type definition