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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 __ADC1038_H__
#define __ADC1038_H__
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef device_delegate<int (int input)> adc1038_input_delegate;
#define ADC1038_INPUT_CB(name) int name(int input)
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class adc1038_device : public device_t
{
public:
adc1038_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~adc1038_device() {}
static void set_input_callback(device_t &device, adc1038_input_delegate callback) { downcast<adc1038_device &>(device).m_input_cb = callback; }
static void set_gti_club_hack(device_t &device, int hack) { downcast<adc1038_device &>(device).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();
virtual void device_reset();
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;
int m_gticlub_hack;
adc1038_input_delegate m_input_cb;
};
extern const device_type ADC1038;
#define MCFG_ADC1038_INPUT_CB(_class, _method) \
adc1038_device::set_input_callback(*device, adc1038_input_delegate(&_class::_method, #_class "::" #_method, downcast<_class *>(owner)));
#define MCFG_ADC1038_GTIHACK(_hack) \
adc1038_device::set_gti_club_hack(*device, _hack);
#endif /* __ADC1038_H__ */
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