1 // license:BSD-3-Clause 2 // copyright-holders:Brad Oliver 3 /************************************************************************* 4 5 Zero Zone 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_ZEROZONE_H 9 #define MAME_INCLUDES_ZEROZONE_H 10 11 #pragma once 12 13 #include "machine/gen_latch.h" 14 #include "cpu/z80/z80.h" 15 #include "tilemap.h" 16 17 class zerozone_state : public driver_device 18 { 19 public: zerozone_state(const machine_config & mconfig,device_type type,const char * tag)20 zerozone_state(const machine_config &mconfig, device_type type, const char *tag) 21 : driver_device(mconfig, type, tag) 22 , m_maincpu(*this, "maincpu") 23 , m_audiocpu(*this, "audiocpu") 24 , m_soundlatch(*this, "soundlatch") 25 , m_vram(*this, "videoram") 26 , m_gfxdecode(*this, "gfxdecode") 27 { } 28 29 void zerozone(machine_config &config); 30 31 protected: 32 // driver_device overrides 33 virtual void machine_start() override; 34 virtual void machine_reset() override; 35 virtual void video_start() override; 36 37 private: 38 // in drivers/zerozone.cpp 39 void sound_w(uint8_t data); 40 DECLARE_WRITE_LINE_MEMBER(vblank_w); 41 42 // in video/zerozone.cpp 43 void tilemap_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 44 void tilebank_w(uint8_t data); 45 46 // devices 47 required_device<cpu_device> m_maincpu; 48 required_device<z80_device> m_audiocpu; 49 required_device<generic_latch_8_device> m_soundlatch; 50 51 // shared pointers 52 required_shared_ptr<uint16_t> m_vram; 53 // currently this driver uses generic palette handling 54 55 required_device<gfxdecode_device> m_gfxdecode; 56 57 // video-related 58 uint8_t m_tilebank; 59 tilemap_t *m_zz_tilemap; 60 61 uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 62 63 void main_map(address_map &map); 64 void sound_map(address_map &map); 65 66 TILE_GET_INFO_MEMBER(get_zerozone_tile_info); 67 }; 68 69 #endif // MAME_INCLUDES_ZEROZONE_H 70