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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Coleco Adam Internal 64KB RAM Expansion emulation
**********************************************************************/
#ifndef MAME_BUS_ADAM_RAM_H
#define MAME_BUS_ADAM_RAM_H
#pragma once
#include "exp.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> adam_ram_expansion_device
class adam_ram_expansion_device : public device_t,
public device_adam_expansion_slot_card_interface
{
public:
// construction/destruction
adam_ram_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
// device_adam_expansion_slot_card_interface overrides
virtual uint8_t adam_bd_r(address_space &space, offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) override;
virtual void adam_bd_w(address_space &space, offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) override;
private:
optional_shared_ptr<uint8_t> m_ram;
};
// device type definition
DECLARE_DEVICE_TYPE(ADAM_RAM, adam_ram_expansion_device)
#endif // MAME_BUS_ADAM_RAM_H
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