// license:BSD-3-Clause // copyright-holders:Mike Balfour, Aaron Giles /************************************************************************* Atari Cloud 9 (prototype) hardware *************************************************************************/ #ifndef MAME_INCLUDES_CLOUD9_H #define MAME_INCLUDES_CLOUD9_H #pragma once #include "cpu/m6502/m6502.h" #include "machine/74259.h" #include "machine/x2212.h" #include "screen.h" class cloud9_state : public driver_device { public: cloud9_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_nvram(*this, "nvram") , m_spriteram(*this, "spriteram"), m_paletteram(*this, "paletteram"), m_gfxdecode(*this, "gfxdecode"), m_screen(*this, "screen"), m_palette(*this, "palette"), m_videolatch(*this, "videolatch") { } DECLARE_CUSTOM_INPUT_MEMBER(get_vblank); void cloud9(machine_config &config); protected: DECLARE_WRITE8_MEMBER(irq_ack_w); DECLARE_WRITE_LINE_MEMBER(coin1_counter_w); DECLARE_WRITE_LINE_MEMBER(coin2_counter_w); DECLARE_READ8_MEMBER(leta_r); DECLARE_WRITE8_MEMBER(nvram_recall_w); DECLARE_WRITE8_MEMBER(nvram_store_w); DECLARE_WRITE8_MEMBER(cloud9_paletteram_w); DECLARE_WRITE8_MEMBER(cloud9_videoram_w); DECLARE_READ8_MEMBER(cloud9_bitmode_r); DECLARE_WRITE8_MEMBER(cloud9_bitmode_w); DECLARE_WRITE8_MEMBER(cloud9_bitmode_addr_w); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; uint32_t screen_update_cloud9(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_CALLBACK_MEMBER(clock_irq); inline void cloud9_write_vram( uint16_t addr, uint8_t data, uint8_t bitmd, uint8_t pixba ); inline void bitmode_autoinc(); inline void schedule_next_irq(int curscanline); void cloud9_map(address_map &map); private: /* devices */ required_device m_maincpu; required_device m_nvram; /* memory pointers */ std::unique_ptr m_videoram; required_shared_ptr m_spriteram; required_shared_ptr m_paletteram; required_device m_gfxdecode; required_device m_screen; required_device m_palette; required_device m_videolatch; /* video-related */ const uint8_t *m_syncprom; const uint8_t *m_wpprom; const uint8_t *m_priprom; bitmap_ind16 m_spritebitmap; double m_rweights[3]; double m_gweights[3]; double m_bweights[3]; uint8_t m_bitmode_addr[2]; /* misc */ int m_vblank_start; int m_vblank_end; emu_timer *m_irq_timer; uint8_t m_irq_state; }; #endif // MAME_INCLUDES_CLOUD9_H