// license:BSD-3-Clause // copyright-holders:Mike Balfour, Aaron Giles /************************************************************************* Atari Cloud 9 (prototype) hardware *************************************************************************/ #include "cpu/m6502/m6502.h" #include "machine/x2212.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"){ } /* 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; /* video-related */ const UINT8 *m_syncprom; const UINT8 *m_wpprom; const UINT8 *m_priprom; bitmap_ind16 m_spritebitmap; double m_rweights[3]; double m_gweights[3]; double m_bweights[3]; UINT8 m_video_control[8]; UINT8 m_bitmode_addr[2]; /* misc */ int m_vblank_start; int m_vblank_end; emu_timer *m_irq_timer; UINT8 m_irq_state; DECLARE_WRITE8_MEMBER(irq_ack_w); DECLARE_WRITE8_MEMBER(cloud9_led_w); DECLARE_WRITE8_MEMBER(cloud9_coin_counter_w); DECLARE_READ8_MEMBER(leta_r); DECLARE_WRITE8_MEMBER(nvram_recall_w); DECLARE_WRITE8_MEMBER(nvram_store_w); DECLARE_WRITE8_MEMBER(cloud9_video_control_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); DECLARE_CUSTOM_INPUT_MEMBER(get_vblank); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; UINT32 screen_update_cloud9(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_CALLBACK_MEMBER(clock_irq); inline void cloud9_write_vram( UINT16 addr, UINT8 data, UINT8 bitmd, UINT8 pixba ); inline void bitmode_autoinc( ); inline void schedule_next_irq(int curscanline); };