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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
COMX-35 RAM Card emulation
**********************************************************************/
#ifndef MAME_BUS_COMX35_RAM_H
#define MAME_BUS_COMX35_RAM_H
#pragma once
#include "exp.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> comx_ram_device
class comx_ram_device : public device_t,
public device_comx_expansion_card_interface
{
public:
// construction/destruction
comx_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_comx_expansion_card_interface overrides
virtual uint8_t comx_mrd_r(address_space &space, offs_t offset, int *extrom) override;
virtual void comx_mwr_w(address_space &space, offs_t offset, uint8_t data) override;
virtual void comx_io_w(address_space &space, offs_t offset, uint8_t data) override;
private:
optional_shared_ptr<uint8_t> m_ram;
int m_bank;
};
// device type definition
DECLARE_DEVICE_TYPE(COMX_RAM, comx_ram_device)
#endif // MAME_BUS_COMX35_RAM_H
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