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diff --git a/src/devices/machine/ataintf.h b/src/devices/machine/ataintf.h
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+// license:BSD-3-Clause
+// copyright-holders:smf
+/***************************************************************************
+
+ ataintf.h
+
+ ATA Interface implementation.
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __ATAINTF_H__
+#define __ATAINTF_H__
+
+#include "atadev.h"
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+// ======================> ata_slot_device
+
+class ata_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ ata_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ ata_device_interface *dev() { return m_dev; }
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_config_complete();
+
+private:
+ ata_device_interface *m_dev;
+};
+
+// device type definition
+extern const device_type ATA_SLOT;
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+#define MCFG_ATA_INTERFACE_IRQ_HANDLER(_devcb) \
+ devcb = &ata_interface_device::set_irq_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_ATA_INTERFACE_DMARQ_HANDLER(_devcb) \
+ devcb = &ata_interface_device::set_dmarq_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_ATA_INTERFACE_DASP_HANDLER(_devcb) \
+ devcb = &ata_interface_device::set_dasp_handler(*device, DEVCB_##_devcb);
+
+SLOT_INTERFACE_EXTERN(ata_devices);
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_ATA_INTERFACE_ADD(_tag, _slot_intf, _master, _slave, _fixed) \
+ MCFG_DEVICE_ADD(_tag, ATA_INTERFACE, 0) \
+ MCFG_DEVICE_MODIFY(_tag ":0") \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _master, _fixed) \
+ MCFG_DEVICE_MODIFY(_tag ":1") \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _slave, _fixed) \
+ MCFG_DEVICE_MODIFY(_tag)
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+/* ----- device interface ----- */
+
+class ata_interface_device : public device_t
+{
+public:
+ ata_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ ata_interface_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+
+ // static configuration helpers
+ template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_irq_handler.set_callback(object); }
+ template<class _Object> static devcb_base &set_dmarq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dmarq_handler.set_callback(object); }
+ template<class _Object> static devcb_base &set_dasp_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dasp_handler.set_callback(object); }
+ UINT16 read_dma();
+ virtual DECLARE_READ16_MEMBER(read_cs0);
+ virtual DECLARE_READ16_MEMBER(read_cs1);
+
+ void write_dma(UINT16 data);
+ virtual DECLARE_WRITE16_MEMBER(write_cs0);
+ virtual DECLARE_WRITE16_MEMBER(write_cs1);
+ DECLARE_WRITE_LINE_MEMBER(write_dmack);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ virtual void set_irq(int state);
+ virtual void set_dmarq(int state);
+ virtual void set_dasp(int state);
+
+private:
+ DECLARE_WRITE_LINE_MEMBER(irq0_write_line);
+ DECLARE_WRITE_LINE_MEMBER(dmarq0_write_line);
+ DECLARE_WRITE_LINE_MEMBER(dasp0_write_line);
+ DECLARE_WRITE_LINE_MEMBER(pdiag0_write_line);
+
+ DECLARE_WRITE_LINE_MEMBER(irq1_write_line);
+ DECLARE_WRITE_LINE_MEMBER(dmarq1_write_line);
+ DECLARE_WRITE_LINE_MEMBER(dasp1_write_line);
+ DECLARE_WRITE_LINE_MEMBER(pdiag1_write_line);
+
+ ata_slot_device *m_slot[2];
+ int m_irq[2];
+ int m_dmarq[2];
+ int m_dasp[2];
+ int m_pdiag[2];
+
+ devcb_write_line m_irq_handler;
+ devcb_write_line m_dmarq_handler;
+ devcb_write_line m_dasp_handler;
+};
+
+extern const device_type ATA_INTERFACE;
+
+#endif /* __ATAINTF_H__ */