// license:BSD-3-Clause // copyright-holders:David Haywood /*************************************************************************** Battle Cross ***************************************************************************/ class battlex_state : public driver_device { public: battlex_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_videoram(*this, "videoram"), m_spriteram(*this, "spriteram"), m_maincpu(*this, "maincpu"), m_gfxdecode(*this, "gfxdecode"), m_palette(*this, "palette") { } UINT8 m_in0_b4; /* memory pointers */ required_shared_ptr m_videoram; required_shared_ptr m_spriteram; /* video-related */ tilemap_t *m_bg_tilemap; UINT8 m_scroll_lsb; UINT8 m_scroll_msb; UINT8 m_starfield_enabled; DECLARE_WRITE8_MEMBER(battlex_palette_w); DECLARE_WRITE8_MEMBER(battlex_scroll_x_lsb_w); DECLARE_WRITE8_MEMBER(battlex_scroll_x_msb_w); DECLARE_WRITE8_MEMBER(battlex_scroll_starfield_w); DECLARE_WRITE8_MEMBER(battlex_videoram_w); DECLARE_WRITE8_MEMBER(battlex_flipscreen_w); DECLARE_CUSTOM_INPUT_MEMBER(battlex_in0_b4_r); DECLARE_DRIVER_INIT(battlex); TILE_GET_INFO_MEMBER(get_bg_tile_info); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; UINT32 screen_update_battlex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(battlex_interrupt); void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect ); required_device m_maincpu; required_device m_gfxdecode; required_device m_palette; };