// 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 MAME_BUS_A2BUS_A2EZCGI_H #define MAME_BUS_A2BUS_A2EZCGI_H #pragma once #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_t clock); protected: a2bus_ezcgi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; // overrides of standard a2bus slot functions virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; required_device m_tms; private: DECLARE_WRITE_LINE_MEMBER( tms_irq_w ); }; 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_t clock); protected: a2bus_ezcgi_9938_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; // overrides of standard a2bus slot functions virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; required_device m_tms; private: DECLARE_WRITE_LINE_MEMBER( tms_irq_w ); }; 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_t clock); protected: a2bus_ezcgi_9958_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; // overrides of standard a2bus slot functions virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; required_device m_tms; private: DECLARE_WRITE_LINE_MEMBER( tms_irq_w ); }; // device type definition DECLARE_DEVICE_TYPE(A2BUS_EZCGI, a2bus_ezcgi_device) DECLARE_DEVICE_TYPE(A2BUS_EZCGI_9938, a2bus_ezcgi_9938_device) DECLARE_DEVICE_TYPE(A2BUS_EZCGI_9958, a2bus_ezcgi_9958_device) #endif // MAME_BUS_A2BUS_A2EZCGI_H