1 // license:BSD-3-Clause 2 // copyright-holders:David Haywood 3 /*************************************************************************** 4 5 Battle Cross 6 7 ***************************************************************************/ 8 9 #include "emupal.h" 10 #include "tilemap.h" 11 12 class battlex_state : public driver_device 13 { 14 public: battlex_state(const machine_config & mconfig,device_type type,const char * tag)15 battlex_state(const machine_config &mconfig, device_type type, const char *tag) 16 : driver_device(mconfig, type, tag), 17 m_videoram(*this, "videoram"), 18 m_spriteram(*this, "spriteram"), 19 m_maincpu(*this, "maincpu"), 20 m_gfxdecode(*this, "gfxdecode"), 21 m_palette(*this, "palette") { } 22 23 uint8_t m_in0_b4; 24 25 /* memory pointers */ 26 required_shared_ptr<uint8_t> m_videoram; 27 required_shared_ptr<uint8_t> m_spriteram; 28 29 /* video-related */ 30 tilemap_t *m_bg_tilemap; 31 uint8_t m_scroll_lsb; 32 uint8_t m_scroll_msb; 33 uint8_t m_starfield_enabled; 34 void battlex_palette_w(offs_t offset, uint8_t data); 35 void battlex_scroll_x_lsb_w(uint8_t data); 36 void battlex_scroll_x_msb_w(uint8_t data); 37 void battlex_scroll_starfield_w(uint8_t data); 38 void battlex_videoram_w(offs_t offset, uint8_t data); 39 void battlex_flipscreen_w(uint8_t data); 40 DECLARE_CUSTOM_INPUT_MEMBER(battlex_in0_b4_r); 41 void init_battlex(); 42 TILE_GET_INFO_MEMBER(get_bg_tile_info); 43 virtual void machine_start() override; 44 virtual void machine_reset() override; 45 virtual void video_start() override; 46 uint32_t screen_update_battlex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 47 INTERRUPT_GEN_MEMBER(battlex_interrupt); 48 void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect ); 49 required_device<cpu_device> m_maincpu; 50 required_device<gfxdecode_device> m_gfxdecode; 51 required_device<palette_device> m_palette; 52 53 DECLARE_VIDEO_START(dodgeman); 54 TILE_GET_INFO_MEMBER(get_dodgeman_bg_tile_info); 55 void dodgeman(machine_config &config); 56 void battlex(machine_config &config); 57 void battlex_map(address_map &map); 58 void dodgeman_io_map(address_map &map); 59 void io_map(address_map &map); 60 }; 61