1 // license:BSD-3-Clause 2 // copyright-holders:Aaron Giles 3 /************************************************************************* 4 5 Atari Skull & Crossbones hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_SKULLXBO_H 9 #define MAME_INCLUDES_SKULLXBO_H 10 11 #pragma once 12 13 #include "machine/atarigen.h" 14 #include "machine/timer.h" 15 #include "audio/atarijsa.h" 16 #include "video/atarimo.h" 17 #include "tilemap.h" 18 19 class skullxbo_state : public atarigen_state 20 { 21 public: skullxbo_state(const machine_config & mconfig,device_type type,const char * tag)22 skullxbo_state(const machine_config &mconfig, device_type type, const char *tag) : 23 atarigen_state(mconfig, type, tag), 24 m_jsa(*this, "jsa"), 25 m_playfield_tilemap(*this, "playfield"), 26 m_alpha_tilemap(*this, "alpha"), 27 m_xscroll(*this, "xscroll"), 28 m_yscroll(*this, "yscroll"), 29 m_mob(*this, "mob"), 30 m_playfield_latch(-1), 31 m_scanline_int_state(0) 32 { } 33 34 void skullxbo(machine_config &config); 35 36 void init_skullxbo(); 37 38 protected: 39 virtual void machine_start() override; 40 41 private: 42 void skullxbo_halt_until_hblank_0_w(uint16_t data); 43 void skullxbo_mobwr_w(offs_t offset, uint16_t data); 44 TILE_GET_INFO_MEMBER(get_alpha_tile_info); 45 TILE_GET_INFO_MEMBER(get_playfield_tile_info); 46 void playfield_latch_w(uint16_t data); 47 void playfield_latched_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 48 uint32_t screen_update_skullxbo(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 49 TIMER_CALLBACK_MEMBER(scanline_interrupt); 50 void scanline_int_ack_w(uint16_t data = 0); 51 void video_int_ack_w(uint16_t data = 0); 52 TIMER_DEVICE_CALLBACK_MEMBER(scanline_timer); 53 void skullxbo_scanline_update(int scanline); 54 void skullxbo_xscroll_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 55 void skullxbo_yscroll_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 56 void skullxbo_mobmsb_w(offs_t offset, uint16_t data); 57 58 void main_map(address_map &map); 59 60 required_device<atari_jsa_ii_device> m_jsa; 61 required_device<tilemap_device> m_playfield_tilemap; 62 required_device<tilemap_device> m_alpha_tilemap; 63 required_shared_ptr<uint16_t> m_xscroll; 64 required_shared_ptr<uint16_t> m_yscroll; 65 required_device<atari_motion_objects_device> m_mob; 66 int m_playfield_latch; 67 68 static const atari_motion_objects_config s_mob_config; 69 70 emu_timer *m_scanline_int_timer; 71 bool m_scanline_int_state; 72 }; 73 74 #endif // MAME_INCLUDES_SKULLXBO_H 75