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// license:BSD-3-Clause
// copyright-holders:Darkstar
/**********************************************************************
*
* Adaptec AHA-1542{C,CF,CP} SCSI Controller
*
**********************************************************************
**********************************************************************/
#ifndef MAME_BUS_AHA1542C_H
#define MAME_BUS_AHA1542C_H
#pragma once
#include "isa.h"
#include "machine/eepromser.h"
//*********************************************************************
// TYPE DEFINITIONS
//*********************************************************************
// ====================> aha1542cf_device
class aha1542c_device : public device_t,
public device_isa16_card_interface
{
public:
static constexpr feature_type unemulated_features() { return feature::DISK; }
// construction/destruction
aha1542c_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
DECLARE_READ8_MEMBER( aha1542_r );
DECLARE_WRITE8_MEMBER( aha1542_w );
protected:
aha1542c_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
u8 local_status_r();
void local_latch_w(u8 data);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
required_device<eeprom_serial_93cxx_device> m_eeprom;
private:
void z84c0010_mem(address_map &map);
};
// ====================> aha1542cf_device
class aha1542cf_device : public aha1542c_device
{
public:
// construction/destruction
aha1542cf_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ====================> aha1542cp_device
class aha1542cp_device : public aha1542c_device
{
public:
// construction/destruction
aha1542cp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
private:
u8 eeprom_r();
void eeprom_w(u8 data);
void local_mem(address_map &map);
};
// device type definitions
DECLARE_DEVICE_TYPE(AHA1542C, aha1542c_device)
DECLARE_DEVICE_TYPE(AHA1542CF, aha1542cf_device)
DECLARE_DEVICE_TYPE(AHA1542CP, aha1542cp_device)
#endif // MAME_BUS_AHA1542C_H
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