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// license:BSD-3-Clause
// copyright-holders:AJR
/***************************************************************************
Adaptec AHA-1540/42A and AHA-1540/42B SCSI controllers
***************************************************************************/
#ifndef MAME_BUS_ISA_AHA1542B_H
#define MAME_BUS_ISA_AHA1542B_H
#pragma once
#include "isa.h"
#include "machine/aic565.h"
#include "machine/aic6250.h"
#include "machine/upd765.h"
class aha154x_device : public device_t, public device_isa16_card_interface
{
protected:
aha154x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
virtual void device_start() override;
virtual void device_reset() override;
void i8085_base_map(address_map &map);
void scsi_add(machine_config &config);
void scsic_config(device_t *device);
required_device<cpu_device> m_localcpu;
required_device<aic6250_device> m_scsic;
required_device<upd765_family_device> m_fdc;
required_region_ptr<u8> m_bios;
};
class aha1542a_device : public aha154x_device
{
public:
aha1542a_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
static constexpr feature_type unemulated_features() { return feature::DISK; }
DECLARE_READ_LINE_MEMBER(host_int_r);
DECLARE_READ_LINE_MEMBER(scsi_rstreq_r);
protected:
virtual ioport_constructor device_input_ports() const override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
void local_status_w(u8 data);
void int_status_w(u8 data);
void srst_clear_w(u8 data);
void scsi_rstreq_clear_w(u8 data);
void i8085_map(address_map &map);
};
class aha1542b_device : public aha154x_device
{
public:
aha1542b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
static constexpr feature_type unemulated_features() { return feature::DISK; }
protected:
virtual ioport_constructor device_input_ports() const override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
void i8085_map(address_map &map);
required_device<aic565_device> m_busaic;
};
DECLARE_DEVICE_TYPE(AHA1542A, aha1542a_device)
DECLARE_DEVICE_TYPE(AHA1542B, aha1542b_device)
#endif // MAME_BUS_ISA_AHA1542B_H
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