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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
ezcgi.h
"E-Z Color Graphics Interface" by Steve Ciarcia
from BYTE Magazine, August, 1982
https://archive.org/details/byte-magazine-1982-08-rescan
*********************************************************************/
#ifndef __A2BUS_EZCGI__
#define __A2BUS_EZCGI__
#include "emu.h"
#include "a2bus.h"
#include "video/tms9928a.h"
#include "video/v9938.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_ezcgi_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_ezcgi_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
a2bus_ezcgi_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
protected:
virtual void device_start();
virtual void device_reset();
// overrides of standard a2bus slot functions
virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
required_device<tms9918a_device> m_tms;
};
class a2bus_ezcgi_9938_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_ezcgi_9938_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
a2bus_ezcgi_9938_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
protected:
virtual void device_start();
virtual void device_reset();
// overrides of standard a2bus slot functions
virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
required_device<v9938_device> m_tms;
};
class a2bus_ezcgi_9958_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_ezcgi_9958_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
a2bus_ezcgi_9958_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
protected:
virtual void device_start();
virtual void device_reset();
// overrides of standard a2bus slot functions
virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
required_device<v9958_device> m_tms;
};
// device type definition
extern const device_type A2BUS_EZCGI;
extern const device_type A2BUS_EZCGI_9938;
extern const device_type A2BUS_EZCGI_9958;
#endif /* __A2BUS_EZCGI__ */
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