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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Hybrid Music 2000 Interface
https://www.retro-kit.co.uk/page.cfm/content/Hybrid-Music-2000-Interface/
http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Hybrid_M2000.html
**********************************************************************/
#ifndef MAME_BUS_BBC_1MHZBUS_M2000_H
#define MAME_BUS_BBC_1MHZBUS_M2000_H
#include "1mhzbus.h"
#include "machine/6850acia.h"
#include "machine/clock.h"
#include "machine/input_merger.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class bbc_m2000_device :
public device_t,
public device_bbc_1mhzbus_interface
{
public:
// construction/destruction
bbc_m2000_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual uint8_t fred_r(offs_t offset) 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:
DECLARE_WRITE_LINE_MEMBER(write_acia_clock);
required_device<bbc_1mhzbus_slot_device> m_1mhzbus;
required_device<acia6850_device> m_acia1;
required_device<acia6850_device> m_acia2;
required_device<acia6850_device> m_acia3;
required_device<clock_device> m_acia_clock;
required_device<input_merger_device> m_irqs;
};
// device type definition
DECLARE_DEVICE_TYPE(BBC_M2000, bbc_m2000_device);
#endif /* MAME_BUS_BBC_1MHZBUS_M2000_H */
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