1 // license:BSD-3-Clause 2 // copyright-holders:Luca Elia 3 /************************************************************************* 4 5 Yun Sung 8 Bit Games 6 7 *************************************************************************/ 8 9 #include "machine/74157.h" 10 #include "sound/msm5205.h" 11 #include "emupal.h" 12 #include "tilemap.h" 13 14 class yunsung8_state : public driver_device 15 { 16 public: yunsung8_state(const machine_config & mconfig,device_type type,const char * tag)17 yunsung8_state(const machine_config &mconfig, device_type type, const char *tag) 18 : driver_device(mconfig, type, tag), 19 m_maincpu(*this, "maincpu"), 20 m_audiocpu(*this, "audiocpu"), 21 m_msm(*this, "msm"), 22 m_adpcm_select(*this, "adpcm_select"), 23 m_gfxdecode(*this, "gfxdecode"), 24 m_palette(*this, "palette") 25 { 26 } 27 28 void yunsung8(machine_config &config); 29 30 private: 31 /* video-related */ 32 tilemap_t *m_bg_tilemap; 33 tilemap_t *m_fg_tilemap; 34 uint8_t *m_bg_vram; 35 uint8_t *m_fg_vram; 36 int m_layers_ctrl; 37 int m_videobank; 38 39 /* misc */ 40 bool m_toggle; 41 42 /* devices */ 43 required_device<cpu_device> m_maincpu; 44 required_device<cpu_device> m_audiocpu; 45 required_device<msm5205_device> m_msm; 46 required_device<ls157_device> m_adpcm_select; 47 required_device<gfxdecode_device> m_gfxdecode; 48 required_device<palette_device> m_palette; 49 50 /* memory */ 51 uint8_t m_videoram[0x4000]; 52 53 void bankswitch_w(uint8_t data); 54 void main_irq_ack_w(uint8_t data); 55 void videobank_w(uint8_t data); 56 uint8_t videoram_r(offs_t offset); 57 void videoram_w(offs_t offset, uint8_t data); 58 void flipscreen_w(uint8_t data); 59 void sound_bankswitch_w(uint8_t data); 60 DECLARE_WRITE_LINE_MEMBER(adpcm_int); 61 62 TILE_GET_INFO_MEMBER(get_bg_tile_info); 63 TILE_GET_INFO_MEMBER(get_fg_tile_info); 64 65 virtual void machine_start() override; 66 virtual void machine_reset() override; 67 virtual void video_start() override; 68 69 uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 70 71 void main_map(address_map &map); 72 void port_map(address_map &map); 73 void sound_map(address_map &map); 74 }; 75