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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
ABC 80 16 KB RAM expansion card emulation
*********************************************************************/
#pragma once
#ifndef __ABC80_16KB_RAM_CARD__
#define __ABC80_16KB_RAM_CARD__
#include "emu.h"
#include "abcbus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> abc80_16kb_ram_card_t
class abc80_16kb_ram_card_t : public device_t,
public device_abcbus_card_interface
{
public:
// construction/destruction
abc80_16kb_ram_card_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
// device_abcbus_interface overrides
virtual void abcbus_cs(uint8_t data) override { };
virtual uint8_t abcbus_xmemfl(offs_t offset) override;
virtual void abcbus_xmemw(offs_t offset, uint8_t data) override;
private:
optional_shared_ptr<uint8_t> m_ram;
};
// device type definition
extern const device_type ABC80_16KB_RAM_CARD;
#endif
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