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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Autocue RAM Disc
**********************************************************************/
#ifndef MAME_BUS_BBC_EXP_AUTOCUE_H
#define MAME_BUS_BBC_EXP_AUTOCUE_H
#include "exp.h"
#include "machine/nvram.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class bbc_autocue_device :
public device_t,
public device_bbc_exp_interface
{
public:
// construction/destruction
bbc_autocue_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void fred_w(offs_t offset, uint8_t data) override;
virtual uint8_t jim_r(offs_t offset) override;
virtual void jim_w(offs_t offset, uint8_t data) override;
private:
required_device<nvram_device> m_nvram;
std::unique_ptr<uint8_t[]> m_ram;
uint16_t m_ram_page;
};
// device type definition
DECLARE_DEVICE_TYPE(BBC_AUTOCUE, bbc_autocue_device);
#endif /* MAME_BUS_BBC_EXP_AUTOCUE_H */
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