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// license:BSD-3-Clause
// copyright-holders:Nathan Woods
/***************************************************************************
coco_multi.h
Multi-Pak interface emulation
***************************************************************************/
#pragma once
#ifndef __COCO_MULTI_H__
#define __COCO_MULTI_H__
#include "emu.h"
#include "cococart.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> coco_multipak_device
class coco_multipak_device :
public device_t,
public device_cococart_interface
{
public:
// construction/destruction
coco_multipak_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual UINT8* get_cart_base() override;
DECLARE_WRITE_LINE_MEMBER(multi_cart_w);
DECLARE_WRITE_LINE_MEMBER(multi_nmi_w);
DECLARE_WRITE_LINE_MEMBER(multi_halt_w);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual DECLARE_READ8_MEMBER(read) override;
virtual DECLARE_WRITE8_MEMBER(write) override;
private:
// device references
cococart_slot_device *m_owner;
cococart_slot_device *m_slots[4];
// internal state
UINT8 m_select;
// methods
DECLARE_WRITE8_MEMBER(ff7f_write);
cococart_slot_device *active_scs_slot(void);
cococart_slot_device *active_cts_slot(void);
void set_select(UINT8 new_select);
};
// device type definition
extern const device_type COCO_MULTIPAK;
#endif /* __COCO_MULTI_H__ */
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