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Diffstat (limited to 'src/devices/bus/a2bus/ezcgi.h')
-rw-r--r-- | src/devices/bus/a2bus/ezcgi.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/ezcgi.h b/src/devices/bus/a2bus/ezcgi.h new file mode 100644 index 00000000000..ef1e6e397de --- /dev/null +++ b/src/devices/bus/a2bus/ezcgi.h @@ -0,0 +1,111 @@ +// 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; + +private: +}; + +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; + +private: +}; + +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; + +private: +}; + +// 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__ */ |