// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** Atari vector hardware ***************************************************************************/ #ifndef __ATARIVGEAROM_H__ #define __ATARIVGEAROM_H__ /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_ATARIVGEAROM_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, ATARIVGEAROM, 0) #define EAROM_SIZE 0x40 // ======================> atari_vg_earom_device class atari_vg_earom_device : public device_t, public device_nvram_interface { public: // construction/destruction atari_vg_earom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // device_nvram_interface overrides virtual void nvram_default() override; virtual void nvram_read(emu_file &file) override; virtual void nvram_write(emu_file &file) override; public: DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_WRITE8_MEMBER( ctrl_w ); private: int m_old_ctrl; int m_state; int m_in_offset; int m_in_data; int m_out_data; char m_rom[EAROM_SIZE]; }; // device type definition extern const device_type ATARIVGEAROM; #endif