// license:BSD-3-Clause // copyright-holders:Brad Oliver /************************************************************************* Zero Zone *************************************************************************/ #include "machine/gen_latch.h" #include "cpu/z80/z80.h" class zerozone_state : public driver_device { public: zerozone_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_audiocpu(*this, "audiocpu"), m_soundlatch(*this, "soundlatch"), m_vram(*this, "videoram"), m_gfxdecode(*this, "gfxdecode") { } // in drivers/zerozone.c DECLARE_WRITE16_MEMBER(sound_w); // in video/zerozone.c DECLARE_WRITE16_MEMBER(tilemap_w); DECLARE_WRITE16_MEMBER(tilebank_w); // devices required_device m_maincpu; required_device m_audiocpu; required_device m_soundlatch; // shared pointers required_shared_ptr m_vram; // currently this driver uses generic palette handling required_device m_gfxdecode; // state // video-related uint16_t m_tilebank; tilemap_t *m_zz_tilemap; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void zerozone(machine_config &config); void main_map(address_map &map); void sound_map(address_map &map); protected: // driver_device overrides virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; TILE_GET_INFO_MEMBER(get_zerozone_tile_info); };