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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***************************************************************************
National Semiconductor ADC1038
10-Bit Serial I/O A/D Converters with Analog Multiplexer and
Track/hold Function
***************************************************************************/
#ifndef MAME_MACHINE_ADC1038_H
#define MAME_MACHINE_ADC1038_H
#pragma once
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
#define ADC1038_INPUT_CB(name) int name(int input)
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class adc1038_device : public device_t
{
public:
typedef device_delegate<int (int input)> input_delegate;
adc1038_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
template <typename... T> void set_input_callback(T &&... args) { m_input_cb.set(std::forward<T>(args)...); }
void set_gti_club_hack(bool hack) { m_gticlub_hack = hack; }
DECLARE_READ_LINE_MEMBER( do_read );
DECLARE_READ_LINE_MEMBER( sars_read );
DECLARE_WRITE_LINE_MEMBER( di_write );
DECLARE_WRITE_LINE_MEMBER( clk_write );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// internal state
int m_cycle;
int m_clk;
int m_adr;
int m_data_in;
int m_data_out;
int m_adc_data;
int m_sars;
bool m_gticlub_hack;
input_delegate m_input_cb;
};
DECLARE_DEVICE_TYPE(ADC1038, adc1038_device)
#endif // MAME_MACHINE_ADC1038_H
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