1 // license:BSD-3-Clause 2 // copyright-holders:Nicola Salmoria 3 /************************************************************************* 4 5 Gun Dealer 6 7 *************************************************************************/ 8 9 #include "machine/timer.h" 10 #include "emupal.h" 11 #include "tilemap.h" 12 13 class gundealr_state : public driver_device 14 { 15 public: gundealr_state(const machine_config & mconfig,device_type type,const char * tag)16 gundealr_state(const machine_config &mconfig, device_type type, const char *tag) 17 : driver_device(mconfig, type, tag) 18 , m_paletteram(*this, "paletteram") 19 , m_bg_videoram(*this, "bg_videoram") 20 , m_fg_videoram(*this, "fg_videoram") 21 , m_rambase(*this, "rambase") 22 , m_mainbank(*this, "mainbank") 23 , m_port_in(*this, "IN%u", 0) 24 , m_maincpu(*this, "maincpu") 25 , m_gfxdecode(*this, "gfxdecode") 26 , m_palette(*this, "palette") 27 { } 28 29 void gundealr(machine_config &config); 30 void gundealrbl(machine_config &config); 31 void yamyam(machine_config &config); 32 33 private: 34 /* memory pointers */ 35 required_shared_ptr<uint8_t> m_paletteram; 36 required_shared_ptr<uint8_t> m_bg_videoram; 37 required_shared_ptr<uint8_t> m_fg_videoram; 38 required_shared_ptr<uint8_t> m_rambase; 39 40 required_memory_bank m_mainbank; 41 optional_ioport_array<3> m_port_in; 42 43 /* video-related */ 44 tilemap_t *m_bg_tilemap; 45 tilemap_t *m_fg_tilemap; 46 uint8_t m_scroll[4]; 47 48 /* misc */ 49 int m_input_ports_hack; 50 void bankswitch_w(uint8_t data); 51 void bg_videoram_w(offs_t offset, uint8_t data); 52 void fg_videoram_w(offs_t offset, uint8_t data); 53 void paletteram_w(offs_t offset, uint8_t data); 54 template<int Xor> void fg_scroll_w(offs_t offset, uint8_t data); 55 template<int Bit> void flipscreen_w(uint8_t data); 56 TILE_GET_INFO_MEMBER(get_bg_tile_info); 57 TILEMAP_MAPPER_MEMBER(pagescan); 58 TILE_GET_INFO_MEMBER(get_fg_tile_info); 59 virtual void machine_start() override; 60 virtual void machine_reset() override; 61 virtual void video_start() override; 62 uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 63 TIMER_DEVICE_CALLBACK_MEMBER(scanline); 64 TIMER_DEVICE_CALLBACK_MEMBER(yamyam_mcu_sim); 65 required_device<cpu_device> m_maincpu; 66 required_device<gfxdecode_device> m_gfxdecode; 67 required_device<palette_device> m_palette; 68 void base_map(address_map &map); 69 void gundealr_main_map(address_map &map); 70 void main_portmap(address_map &map); 71 void yamyam_main_map(address_map &map); 72 }; 73