1 // license:BSD-3-Clause 2 // copyright-holders:Aaron Giles 3 /************************************************************************* 4 5 Atari Blasteroids hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_BLSTROID_H 9 #define MAME_INCLUDES_BLSTROID_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 blstroid_state : public atarigen_state 20 { 21 public: 22 enum 23 { 24 TIMER_IRQ_OFF = TID_ATARIGEN_LAST, 25 TIMER_IRQ_ON 26 }; 27 blstroid_state(const machine_config & mconfig,device_type type,const char * tag)28 blstroid_state(const machine_config &mconfig, device_type type, const char *tag) : 29 atarigen_state(mconfig, type, tag), 30 m_playfield_tilemap(*this, "playfield"), 31 m_jsa(*this, "jsa"), 32 m_mob(*this, "mob"), 33 m_priorityram(*this, "priorityram") 34 { } 35 36 void init_blstroid(); 37 void blstroid(machine_config &config); 38 39 protected: 40 virtual void machine_reset() override; 41 42 virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; 43 44 private: 45 TIMER_DEVICE_CALLBACK_MEMBER(scanline_update); 46 void scanline_int_ack_w(uint16_t data = 0); 47 void video_int_ack_w(uint16_t data = 0); 48 void halt_until_hblank_0_w(uint16_t data = 0); 49 TILE_GET_INFO_MEMBER(get_playfield_tile_info); 50 DECLARE_VIDEO_START(blstroid); 51 uint32_t screen_update_blstroid(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 52 53 void main_map(address_map &map); 54 55 required_device<tilemap_device> m_playfield_tilemap; 56 required_device<atari_jsa_i_device> m_jsa; 57 required_device<atari_motion_objects_device> m_mob; 58 required_shared_ptr<uint16_t> m_priorityram; 59 60 emu_timer *m_irq_off_timer; 61 emu_timer *m_irq_on_timer; 62 63 static const atari_motion_objects_config s_mob_config; 64 65 bool m_scanline_int_state; 66 }; 67 68 #endif // MAME_INCLUDES_BLSTROID_H 69