/*************************************************************************** Atari Night Driver hardware driver by Mike Balfour Games supported: * Night Driver Known issues: * The road boxes in service mode are flipped horizontally and there is an extraneous box according to the service manual. **************************************************************************** Memory Map: 0000-01FF R/W SCRAM (Scratchpad RAM) 0200-03FF W PFW (Playfield Write) 0400-05FF W HVC (Horiz/Vert/Char for Roadway) 0600-07FF R IN0 0800-09FF R IN1 0A00-0BFF W OUT0 0C00-0DFF W OUT1 0E00-0FFF - OUT2 (Not used) 8000-83FF R PFR (Playfield Read) 8400-87FF Steering Reset 8800-8FFF - Spare (Not used) 9000-97FF R Program ROM1 9800-9FFF R Program ROM2 (F800-FFFF) R Program ROM2 - only needed for the 6502 vectors If you have any questions about how this driver works, don't hesitate to ask. - Mike Balfour (mab22@po.cwru.edu) ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "machine/rescap.h" #include "sound/discrete.h" #include "includes/nitedrvr.h" /* Memory Map */ static ADDRESS_MAP_START( nitedrvr_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x00ff) AM_RAM AM_MIRROR(0x100) // SCRAM AM_RANGE(0x0200, 0x027f) AM_RAM_WRITE(nitedrvr_videoram_w) AM_MIRROR(0x180) AM_BASE_MEMBER(nitedrvr_state, m_videoram) // PFW AM_RANGE(0x0400, 0x05ff) AM_WRITE(nitedrvr_hvc_w) AM_BASE_MEMBER(nitedrvr_state, m_hvc) // POSH, POSV, CHAR, Watchdog AM_RANGE(0x0600, 0x07ff) AM_READ(nitedrvr_in0_r) AM_RANGE(0x0800, 0x09ff) AM_READ(nitedrvr_in1_r) AM_RANGE(0x0a00, 0x0bff) AM_WRITE(nitedrvr_out0_w) AM_RANGE(0x0c00, 0x0dff) AM_WRITE(nitedrvr_out1_w) AM_RANGE(0x8000, 0x807f) AM_RAM AM_MIRROR(0x380) AM_BASE_MEMBER(nitedrvr_state, m_videoram) // PFR AM_RANGE(0x8400, 0x87ff) AM_READWRITE(nitedrvr_steering_reset_r, nitedrvr_steering_reset_w) AM_RANGE(0x9000, 0x9fff) AM_ROM // ROM1-ROM2 AM_RANGE(0xfff0, 0xffff) AM_ROM // ROM2 for 6502 vectors ADDRESS_MAP_END /* Input Ports */ static INPUT_PORTS_START( nitedrvr ) PORT_START("DSW0") // fake PORT_DIPNAME( 0x30, 0x10, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0x30, DEF_STR( 2C_1C ) ) //PORT_DIPSETTING( 0x20, DEF_STR( 1C_1C ) ) // not a typo PORT_DIPSETTING( 0x10, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0xc0, 0x80, "Playing Time" ) PORT_DIPSETTING( 0x00, "50" ) PORT_DIPSETTING( 0x40, "75" ) PORT_DIPSETTING( 0x80, "100" ) PORT_DIPSETTING( 0xC0, "125" ) PORT_START("DSW1") // fake PORT_DIPNAME( 0x10, 0x00, "Track Set" ) PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x10, DEF_STR( Reverse ) ) PORT_DIPNAME( 0x20, 0x20, "Bonus Time" ) PORT_DIPSETTING( 0x00, DEF_STR ( No ) ) PORT_DIPSETTING( 0x20, "Score = 350" ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_VBLANK ) PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) PORT_START("GEARS") // fake PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("1st Gear") PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("2nd Gear") PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("3rd Gear") PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("4th Gear") PORT_START("DSW2") // fake PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN ) // Spare PORT_DIPNAME( 0x20, 0x00, "Difficult Bonus" ) PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x20, DEF_STR( Difficult ) ) PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("IN0") // fake PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Gas") PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Novice Track") PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Expert Track") PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("Pro Track") PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) // Alternating signal? PORT_START("STEER") // fake PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_START("MOTOR") PORT_ADJUSTER( 60, "Motor RPM" ) INPUT_PORTS_END /* Graphics Layouts */ static const gfx_layout charlayout = { 8, 8, 64, 1, { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; /* Graphics Decode Information */ static GFXDECODE_START( nitedrvr ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 ) GFXDECODE_END /* Machine Initialization */ /* Machine Driver */ static MACHINE_CONFIG_START( nitedrvr, nitedrvr_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6502, XTAL_12_096MHz/12) // 1 MHz MCFG_CPU_PROGRAM_MAP(nitedrvr_map) MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) MCFG_WATCHDOG_VBLANK_INIT(3) MCFG_MACHINE_START(nitedrvr) MCFG_MACHINE_RESET(nitedrvr) MCFG_TIMER_ADD_PERIODIC("crash_timer", nitedrvr_crash_toggle_callback, PERIOD_OF_555_ASTABLE(RES_K(180), 330, CAP_U(1))) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(57) // how is this derived? MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1) MCFG_SCREEN_UPDATE(nitedrvr) MCFG_GFXDECODE(nitedrvr) MCFG_PALETTE_LENGTH(2) MCFG_PALETTE_INIT(black_and_white) MCFG_VIDEO_START(nitedrvr) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("discrete", DISCRETE, 0) MCFG_SOUND_CONFIG_DISCRETE(nitedrvr) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /* ROMs */ /* ROM_START( nitedrvo ) // early revision has the program code stored in 8 chips ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "006560-01.h1", 0x9000, 0x0200, NO_DUMP ) // PROM 1 ROM_LOAD( "006561-01.c1", 0x9200, 0x0200, NO_DUMP ) // PROM 2 ROM_LOAD( "006562-01.j1", 0x9400, 0x0200, NO_DUMP ) // PROM 3 ROM_LOAD( "006563-01.d1", 0x9600, 0x0200, NO_DUMP ) // PROM 4 ROM_LOAD( "006564-01.k1", 0x9800, 0x0200, NO_DUMP ) // PROM 5 ROM_LOAD( "006565-01.e1", 0x9a00, 0x0200, NO_DUMP ) // PROM 6 ROM_LOAD( "006566-01.l1", 0x9c00, 0x0200, NO_DUMP ) // PROM 7 ROM_LOAD( "006567-01.f1", 0x9e00, 0x0200, NO_DUMP ) // PROM 8 ROM_END */ ROM_START( nitedrvr ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "006569-01.d2", 0x9000, 0x0800, CRC(7afa7542) SHA1(81018e25ebdeae1daf1308676661063b6fd7fd22) ) // MASK ROM 1 ROM_LOAD( "006570-01.f2", 0x9800, 0x0800, CRC(bf5d77b1) SHA1(6f603f8b0973bd89e0e721b66944aac8e9f904d9) ) // MASK ROM 2 ROM_RELOAD( 0xf800, 0x0800 ) // vectors ROM_REGION( 0x200, "gfx1", 0 ) ROM_LOAD( "006568-01.p2", 0x0000, 0x0200, CRC(f80d8889) SHA1(ca573543dcce1221459d5693c476cef14bfac4f4) ) // PROM, Alpha-Numeric ROM_REGION( 0x100, "proms", 0 ) ROM_LOAD( "006559-01.h7", 0x0000, 0x0100, CRC(5a8d0e42) SHA1(772220c4c24f18769696ddba26db2bc2e5b0909d) ) // PROM, Sync ROM_END /* Game Drivers */ GAME( 1976, nitedrvr, 0, nitedrvr, nitedrvr, 0, ROT0, "Atari", "Night Driver", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )