1 // license:BSD-3-Clause 2 // copyright-holders:Pierpaolo Prazzoli 3 /************************************************************************* 4 5 Ghosts'n Goblins 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_GNG_H 9 #define MAME_INCLUDES_GNG_H 10 11 #pragma once 12 13 #include "sound/2203intf.h" 14 #include "video/bufsprite.h" 15 #include "emupal.h" 16 #include "tilemap.h" 17 18 class gng_state : public driver_device 19 { 20 public: gng_state(const machine_config & mconfig,device_type type,const char * tag)21 gng_state(const machine_config &mconfig, device_type type, const char *tag) : 22 driver_device(mconfig, type, tag), 23 m_spriteram(*this, "spriteram"), 24 m_fgvideoram(*this, "fgvideoram"), 25 m_bgvideoram(*this, "bgvideoram"), 26 m_maincpu(*this, "maincpu"), 27 m_ym(*this, "ym%u", 1), 28 m_gfxdecode(*this, "gfxdecode"), 29 m_palette(*this, "palette") 30 { } 31 32 void gng(machine_config &config); 33 void diamond(machine_config &config); 34 35 private: 36 void gng_bankswitch_w(uint8_t data); 37 DECLARE_WRITE_LINE_MEMBER(ym_reset_w); 38 uint8_t diamond_hack_r(); 39 void gng_fgvideoram_w(offs_t offset, uint8_t data); 40 void gng_bgvideoram_w(offs_t offset, uint8_t data); 41 void gng_bgscrollx_w(offs_t offset, uint8_t data); 42 void gng_bgscrolly_w(offs_t offset, uint8_t data); 43 DECLARE_WRITE_LINE_MEMBER(flipscreen_w); 44 TILE_GET_INFO_MEMBER(get_fg_tile_info); 45 TILE_GET_INFO_MEMBER(get_bg_tile_info); 46 virtual void machine_start() override; 47 virtual void machine_reset() override; 48 virtual void video_start() override; 49 uint32_t screen_update_gng(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 50 void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); 51 52 void diamond_map(address_map &map); 53 void gng_map(address_map &map); 54 void sound_map(address_map &map); 55 56 /* memory pointers */ 57 required_device<buffered_spriteram8_device> m_spriteram; 58 required_shared_ptr<uint8_t> m_fgvideoram; 59 required_shared_ptr<uint8_t> m_bgvideoram; 60 61 /* video-related */ 62 tilemap_t *m_bg_tilemap; 63 tilemap_t *m_fg_tilemap; 64 uint8_t m_scrollx[2]; 65 uint8_t m_scrolly[2]; 66 67 required_device<cpu_device> m_maincpu; 68 required_device_array<ym2203_device, 2> m_ym; 69 required_device<gfxdecode_device> m_gfxdecode; 70 required_device<palette_device> m_palette; 71 }; 72 73 #endif // MAME_INCLUDES_GNG_H 74