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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
SV-602 Single Slot Expander for SVI-318/328
***************************************************************************/
#ifndef MAME_BUS_SVI3X8_EXPANDER_SV602_H
#define MAME_BUS_SVI3X8_EXPANDER_SV602_H
#pragma once
#include "expander.h"
#include "bus/svi3x8/slot/slot.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> sv602_device
class sv602_device : public device_t, public device_svi_expander_interface
{
public:
// construction/destruction
sv602_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// from host
virtual DECLARE_READ8_MEMBER( mreq_r ) override;
virtual DECLARE_WRITE8_MEMBER( mreq_w ) override;
virtual DECLARE_READ8_MEMBER( iorq_r ) override;
virtual DECLARE_WRITE8_MEMBER( iorq_w ) override;
virtual void bk21_w(int state) override;
virtual void bk22_w(int state) override;
virtual void bk31_w(int state) override;
virtual void bk32_w(int state) override;
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
private:
// from slots
WRITE_LINE_MEMBER( int_w );
WRITE_LINE_MEMBER( romdis_w );
WRITE_LINE_MEMBER( ramdis_w );
required_device<svi_slot_bus_device> m_slotbus;
};
// device type definition
DECLARE_DEVICE_TYPE(SV602, sv602_device)
#endif // MAME_BUS_SVI3X8_EXPANDER_SV602_H
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