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/***************************************************************************
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 "driver.h"
#include "rescap.h"
#include "sound/discrete.h"
#include "nitedrvr.h"
READ8_HANDLER( nitedrvr_in0_r );
READ8_HANDLER( nitedrvr_in1_r );
READ8_HANDLER( nitedrvr_steering_reset_r );
WRITE8_HANDLER( nitedrvr_steering_reset_w );
WRITE8_HANDLER( nitedrvr_out0_w );
WRITE8_HANDLER( nitedrvr_out1_w );
void nitedrvr_register_machine_vars(void);
extern UINT8 *nitedrvr_hvc;
WRITE8_HANDLER( nitedrvr_videoram_w );
WRITE8_HANDLER( nitedrvr_hvc_w );
VIDEO_START( nitedrvr );
VIDEO_UPDATE( nitedrvr );
/* Memory Map */
static ADDRESS_MAP_START( nitedrvr_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x00ff) AM_RAM AM_MIRROR(0x100) // SCRAM
AM_RANGE(0x0200, 0x027f) AM_RAM AM_MIRROR(0x180) AM_WRITE(nitedrvr_videoram_w) AM_BASE(&videoram) // PFW
AM_RANGE(0x0400, 0x05ff) AM_WRITE(nitedrvr_hvc_w) AM_BASE(&nitedrvr_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(&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 // 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 // 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 // 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 // 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, "Difficult" )
PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START // 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 // fake
PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10)
PORT_START_TAG("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( REGION_GFX1, 0, charlayout, 0, 1 )
GFXDECODE_END
/* Machine Initialization */
static TIMER_CALLBACK( nitedrvr_crash_toggle_callback )
{
nitedrvr_crash_toggle(machine);
}
static MACHINE_RESET( nitedrvr )
{
timer_pulse(PERIOD_OF_555_ASTABLE(RES_K(180), 330, CAP_U(1)), 0, nitedrvr_crash_toggle_callback);
nitedrvr_register_machine_vars();
}
/* Machine Driver */
static MACHINE_DRIVER_START( nitedrvr )
// basic machine hardware
MDRV_CPU_ADD(M6502, 12096000/12) // 1 MHz
MDRV_CPU_PROGRAM_MAP(nitedrvr_map, 0)
MDRV_CPU_VBLANK_INT(irq0_line_hold, 1)
MDRV_WATCHDOG_VBLANK_INIT(3)
MDRV_SCREEN_REFRESH_RATE(57) // how is this derived?
MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
MDRV_MACHINE_RESET(nitedrvr)
// video hardware
MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MDRV_GFXDECODE(nitedrvr)
MDRV_PALETTE_LENGTH(2)
MDRV_PALETTE_INIT(black_and_white)
MDRV_VIDEO_START(nitedrvr)
MDRV_VIDEO_UPDATE(nitedrvr)
// sound hardware
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD_TAG("discrete", DISCRETE, 0)
MDRV_SOUND_CONFIG_DISCRETE(nitedrvr)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
/* ROMs */
/*
ROM_START( nitedrvo ) // early revision has the program code stored in 8 chips
ROM_REGION( 0x10000, REGION_CPU1, 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, REGION_CPU1, 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, REGION_GFX1, ROMREGION_DISPOSE )
ROM_LOAD( "006568-01.p2", 0x0000, 0x0200, CRC(f80d8889) SHA1(ca573543dcce1221459d5693c476cef14bfac4f4) ) // PROM, Alpha-Numeric
ROM_REGION( 0x100, REGION_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)
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