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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************

    a2themill.h

    Implementation of the Stellation Two The Mill 6809 card

*********************************************************************/

#ifndef __A2BUS_THEMILL__
#define __A2BUS_THEMILL__

#include "a2bus.h"

//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

class a2bus_themill_device:
	public device_t,
	public device_a2bus_card_interface
{
public:
	// construction/destruction
	a2bus_themill_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source);
	a2bus_themill_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// optional information overrides
	virtual machine_config_constructor device_mconfig_additions() const override;

	DECLARE_READ8_MEMBER( dma_r );
	DECLARE_WRITE8_MEMBER( dma_w );

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

	// overrides of standard a2bus slot functions
	virtual uint8_t read_c0nx(address_space &space, uint8_t offset) override;
	virtual void write_c0nx(address_space &space, uint8_t offset, uint8_t data) override;
	virtual bool take_c800() override;

	required_device<cpu_device> m_6809;

private:
	bool m_bEnabled;
	bool m_flipAddrSpace;
	bool m_6809Mode;
	uint8_t m_status;
};

// device type definition
extern const device_type A2BUS_THEMILL;

#endif /* __A2BUS_THEMILL__ */