1 // license:BSD-3-Clause 2 // copyright-holders:Stefan Jokisch 3 /************************************************************************* 4 5 Atari Drag Race hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_DRAGRACE_H 9 #define MAME_INCLUDES_DRAGRACE_H 10 11 #pragma once 12 13 #include "machine/timer.h" 14 #include "machine/watchdog.h" 15 #include "sound/discrete.h" 16 #include "emupal.h" 17 #include "screen.h" 18 #include "tilemap.h" 19 20 /* Discrete Sound Input Nodes */ 21 #define DRAGRACE_SCREECH1_EN NODE_01 22 #define DRAGRACE_SCREECH2_EN NODE_02 23 #define DRAGRACE_LOTONE_EN NODE_03 24 #define DRAGRACE_HITONE_EN NODE_04 25 #define DRAGRACE_EXPLODE1_EN NODE_05 26 #define DRAGRACE_EXPLODE2_EN NODE_06 27 #define DRAGRACE_MOTOR1_DATA NODE_07 28 #define DRAGRACE_MOTOR2_DATA NODE_08 29 #define DRAGRACE_MOTOR1_EN NODE_80 30 #define DRAGRACE_MOTOR2_EN NODE_81 31 #define DRAGRACE_KLEXPL1_EN NODE_82 32 #define DRAGRACE_KLEXPL2_EN NODE_83 33 #define DRAGRACE_ATTRACT_EN NODE_09 34 35 36 class dragrace_state : public driver_device 37 { 38 public: dragrace_state(const machine_config & mconfig,device_type type,const char * tag)39 dragrace_state(const machine_config &mconfig, device_type type, const char *tag) : 40 driver_device(mconfig, type, tag), 41 m_playfield_ram(*this, "playfield_ram"), 42 m_position_ram(*this, "position_ram"), 43 m_discrete(*this, "discrete"), 44 m_maincpu(*this, "maincpu"), 45 m_watchdog(*this, "watchdog"), 46 m_gfxdecode(*this, "gfxdecode"), 47 m_screen(*this, "screen") 48 { 49 } 50 51 void dragrace(machine_config &config); 52 53 private: 54 void speed1_w(uint8_t data); 55 void speed2_w(uint8_t data); 56 uint8_t dragrace_input_r(offs_t offset); 57 uint8_t dragrace_steering_r(); 58 uint8_t dragrace_scanline_r(); 59 TILE_GET_INFO_MEMBER(get_tile_info); 60 void dragrace_palette(palette_device &palette) const; 61 uint32_t screen_update_dragrace(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 62 TIMER_DEVICE_CALLBACK_MEMBER(dragrace_frame_callback); 63 void dragrace_update_misc_flags( address_space &space ); 64 65 virtual void machine_start() override; 66 virtual void machine_reset() override; 67 virtual void video_start() override; 68 void dragrace_map(address_map &map); 69 70 /* memory pointers */ 71 required_shared_ptr<uint8_t> m_playfield_ram; 72 required_shared_ptr<uint8_t> m_position_ram; 73 74 /* video-related */ 75 tilemap_t *m_bg_tilemap; 76 77 /* misc */ 78 int m_gear[2]; 79 80 /* devices */ 81 required_device<discrete_sound_device> m_discrete; 82 required_device<cpu_device> m_maincpu; 83 required_device<watchdog_timer_device> m_watchdog; 84 required_device<gfxdecode_device> m_gfxdecode; 85 required_device<screen_device> m_screen; 86 }; 87 88 /*----------- defined in audio/dragrace.c -----------*/ 89 DISCRETE_SOUND_EXTERN( dragrace_discrete ); 90 91 #endif // MAME_INCLUDES_DRAGRACE_H 92