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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Luxor ABC 890 bus expander emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __ABC890__
#define __ABC890__
#include "emu.h"
#include "abcbus.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define MAX_SLOTS 8
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> abc890_device
class abc890_device : public device_t,
public device_abcbus_card_interface
{
public:
// construction/destruction
abc890_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);
abc890_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_abcbus_interface overrides
virtual void abcbus_cs(UINT8 data);
virtual UINT8 abcbus_inp();
virtual void abcbus_utp(UINT8 data);
virtual UINT8 abcbus_stat();
virtual void abcbus_c1(UINT8 data);
virtual void abcbus_c2(UINT8 data);
virtual void abcbus_c3(UINT8 data);
virtual void abcbus_c4(UINT8 data);
virtual UINT8 abcbus_xmemfl(offs_t offset);
virtual void abcbus_xmemw(offs_t offset, UINT8 data);
int m_slots;
abcbus_slot_device *m_expansion_slot[MAX_SLOTS];
};
class abc894_device : public abc890_device
{
public:
// construction/destruction
abc894_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
protected:
// device-level overrides
virtual void device_start();
};
class abc850_device : public abc890_device
{
public:
// construction/destruction
abc850_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
protected:
// device-level overrides
virtual void device_start();
};
// device type definition
extern const device_type ABC890;
extern const device_type ABC894;
extern const device_type ABC850;
#endif
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