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Diffstat (limited to 'src/mame/machine/xavix_adc.h')
-rw-r--r--src/mame/machine/xavix_adc.h50
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diff --git a/src/mame/machine/xavix_adc.h b/src/mame/machine/xavix_adc.h
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+++ b/src/mame/machine/xavix_adc.h
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+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+
+#ifndef MAME_MACHINE_XAVIX_ADC_H
+#define MAME_MACHINE_XAVIX_ADC_H
+
+class xavix_adc_device : public device_t
+{
+public:
+ xavix_adc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ auto read_0_callback() { return m_in0_cb.bind(); }
+ auto read_1_callback() { return m_in1_cb.bind(); }
+ auto read_2_callback() { return m_in2_cb.bind(); }
+ auto read_3_callback() { return m_in3_cb.bind(); }
+ auto read_4_callback() { return m_in4_cb.bind(); }
+ auto read_5_callback() { return m_in5_cb.bind(); }
+ auto read_6_callback() { return m_in6_cb.bind(); }
+ auto read_7_callback() { return m_in7_cb.bind(); }
+
+ DECLARE_READ8_MEMBER(adc_7b80_r);
+ DECLARE_WRITE8_MEMBER(adc_7b80_w);
+ DECLARE_READ8_MEMBER(adc_7b81_r);
+ DECLARE_WRITE8_MEMBER(adc_7b81_w);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+private:
+ devcb_read8 m_in0_cb;
+ devcb_read8 m_in1_cb;
+ devcb_read8 m_in2_cb;
+ devcb_read8 m_in3_cb;
+ devcb_read8 m_in4_cb;
+ devcb_read8 m_in5_cb;
+ devcb_read8 m_in6_cb;
+ devcb_read8 m_in7_cb;
+
+ uint8_t m_adc_inlatch;
+ uint8_t m_adc_control;
+ emu_timer *m_adc_timer;
+
+ TIMER_CALLBACK_MEMBER(adc_timer_done);
+};
+
+DECLARE_DEVICE_TYPE(XAVIX_ADC, xavix_adc_device)
+
+#endif // MAME_MACHINE_XAVIX_ADC_H