1 // license:BSD-3-Clause 2 // copyright-holders:Nicola Salmoria 3 #ifndef MAME_INCLUDES_DIGDUG_H 4 #define MAME_INCLUDES_DIGDUG_H 5 6 #pragma once 7 8 #include "machine/er2055.h" 9 #include "tilemap.h" 10 11 class digdug_state : public galaga_state 12 { 13 public: digdug_state(const machine_config & mconfig,device_type type,const char * tag)14 digdug_state(const machine_config &mconfig, device_type type, const char *tag) : 15 galaga_state(mconfig, type, tag), 16 m_earom(*this, "earom"), 17 m_digdug_objram(*this, "digdug_objram"), 18 m_digdug_posram(*this, "digdug_posram"), 19 m_digdug_flpram(*this, "digdug_flpram") 20 { } 21 22 void dzigzag(machine_config &config); 23 void digdug(machine_config &config); 24 25 private: 26 required_device<er2055_device> m_earom; 27 required_shared_ptr<uint8_t> m_digdug_objram; 28 required_shared_ptr<uint8_t> m_digdug_posram; 29 required_shared_ptr<uint8_t> m_digdug_flpram; 30 31 uint8_t m_bg_select; 32 uint8_t m_tx_color_mode; 33 uint8_t m_bg_disable; 34 uint8_t m_bg_color_bank; 35 36 TILEMAP_MAPPER_MEMBER(tilemap_scan); 37 TILE_GET_INFO_MEMBER(bg_get_tile_info); 38 TILE_GET_INFO_MEMBER(tx_get_tile_info); 39 DECLARE_VIDEO_START(digdug); 40 void digdug_palette(palette_device &palette) const; 41 uint32_t screen_update_digdug(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 42 void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); 43 void digdug_videoram_w(offs_t offset, uint8_t data); 44 void bg_select_w(uint8_t data); 45 DECLARE_WRITE_LINE_MEMBER(tx_color_mode_w); 46 DECLARE_WRITE_LINE_MEMBER(bg_disable_w); 47 48 uint8_t earom_read(); 49 void earom_write(offs_t offset, uint8_t data); 50 void earom_control_w(uint8_t data); 51 virtual void machine_start() override; 52 53 void digdug_map(address_map &map); 54 }; 55 56 #endif // MAME_INCLUDES_DIGDUG_H 57