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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
sh_adc.h
SH Analog to Digital Converter subsystem
***************************************************************************/
#ifndef MAME_CPU_SH_SH_ADC_H
#define MAME_CPU_SH_SH_ADC_H
#pragma once
// To generalize eventually
class sh7042_device;
class sh_adc_device : public device_t {
public:
sh_adc_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
template <typename T> sh_adc_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&cpu)
: sh_adc_device(mconfig, tag, owner)
{
set_info(cpu);
}
template<typename T> void set_info(T &&cpu) { m_cpu.set_tag(std::forward<T>(cpu)); }
u16 addr_r(offs_t offset);
u8 adcsr_r();
u8 adcr_r();
void adcsr_w(u8 data);
void adcr_w(u8 data);
protected:
enum {
CSR_ADF = 0x80,
CSR_ADIE = 0x40,
CSR_ADST = 0x20,
CSR_CKS = 0x10,
CSR_GRP = 0x08,
CSR_CHAN = 0x07
};
enum {
CR_PWR = 0x40,
CR_TRGS = 0x30,
CR_SCAN = 0x08,
CR_SIM = 0x04,
CR_BUF = 0x03
};
required_device<sh7042_device> m_cpu;
uint16_t m_addr[8];
uint8_t m_adcsr, m_adcr;
virtual void device_start() override;
virtual void device_reset() override;
};
DECLARE_DEVICE_TYPE(SH_ADC, sh_adc_device)
#endif
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