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// license:BSD-3-Clause
// copyright-holders:Phil Stroffolino, Naibo, David Haywood
/**

see http://www.tvspels-nostalgi.com/driverseye.htm for details about setup

2008/06/11, by Naibo(translated to English by Mameplus team):
Driver's Eyes works,
    -the communication work between CPU and 3D DSP should be limited to the master M68000,
    if the address mapping is done in the shared memory, master CPU would be disturbed by the slave one.

    -The left, center and right screens have separate programs and boards, each would work independently.
    About projection angles of left and right screen, the angle is correct on "DRIVER'S EYES" title screen, however in the tracks of demo mode it doesn't seem correct.
    (probably wants angle sent by main board?)

    -On demo screen, should fog effects be turned off?

    NOTES:

    Driver's Eyes
        not yet working

    TODO:

    Driver's Eyes
        add communications for Left and Right screen (linked C139 or something else?)

*/

#include "emu.h"
#include "machine/namcoio_gearbox.h"
#include "screen.h"
#include "emupal.h"
#include "speaker.h"
#include "cpu/m68000/m68000.h"
#include "cpu/m6805/m6805.h"
#include "cpu/m6809/m6809.h"
#include "cpu/tms32025/tms32025.h"
#include "machine/nvram.h"
#include "machine/timer.h"
#include "machine/namco_c139.h"
#include "machine/namco_c148.h"
#include "machine/namco68.h"
#include "machine/namcos21_dsp.h"
#include "video/namco_c355spr.h"
#include "video/namcos21_3d.h"
#include "sound/ym2151.h"
#include "sound/c140.h"
#include "emupal.h"

// TODO: basic parameters to get 60.606060 Hz, x2 is for interlace
#define MCFG_SCREEN_RAW_PARAMS_NAMCO480I \
	MCFG_SCREEN_RAW_PARAMS(12288000*2, 768, 0, 496, 264*2,0,480)

#define ENABLE_LOGGING      0

#define NAMCOS21_NUM_COLORS 0x8000

DECLARE_DEVICE_TYPE(NAMCO_DE_PCB, namco_de_pcbstack_device)


class namco_de_pcbstack_device : public device_t
{
public:
	// construction/destruction
	namco_de_pcbstack_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	void configure_c148_standard(machine_config &config);

protected:
	virtual void device_add_mconfig(machine_config &config) override;
	virtual void device_start() override;
	virtual void device_reset() override;

private:

	INTERRUPT_GEN_MEMBER( irq0_line_hold );
	INTERRUPT_GEN_MEMBER( irq1_line_hold );

	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	required_device<cpu_device> m_slave;
	required_device<namcoc68_device> m_c68;
	required_device<namco_c139_device> m_sci;
	required_device<namco_c148_device> m_master_intc;
	required_device<namco_c148_device> m_slave_intc;
	required_device<c140_device> m_c140;
	required_device<namco_c355spr_device> m_c355spr;
	required_device<palette_device> m_palette;
	required_device<screen_device> m_screen;
	required_memory_bank m_audiobank;
	required_shared_ptr<uint8_t> m_dpram;
	required_device<namcos21_3d_device> m_namcos21_3d;
	required_device<namcos21_dsp_device> m_namcos21_dsp;

	uint16_t m_video_enable;

	DECLARE_READ16_MEMBER(video_enable_r);
	DECLARE_WRITE16_MEMBER(video_enable_w);

	DECLARE_READ16_MEMBER(dpram_word_r);
	DECLARE_WRITE16_MEMBER(dpram_word_w);
	DECLARE_READ8_MEMBER(dpram_byte_r);
	DECLARE_WRITE8_MEMBER(dpram_byte_w);

	DECLARE_WRITE8_MEMBER(eeprom_w);
	DECLARE_READ8_MEMBER(eeprom_r);

	DECLARE_WRITE8_MEMBER(sound_bankselect_w);

	DECLARE_WRITE8_MEMBER(sound_reset_w);
	DECLARE_WRITE8_MEMBER(system_reset_w);
	void reset_all_subcpus(int state);

	std::unique_ptr<uint8_t[]> m_eeprom;

	TIMER_DEVICE_CALLBACK_MEMBER(screen_scanline);

	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	void configure_c68_namcos21(machine_config &config);

	void driveyes_common_map(address_map &map);
	void driveyes_master_map(address_map &map);
	void driveyes_slave_map(address_map &map);

	void sound_map(address_map &map);
};


DEFINE_DEVICE_TYPE(NAMCO_DE_PCB, namco_de_pcbstack_device, "namco_de_pcb", "Namco Driver's Eyes PCB stack")


namco_de_pcbstack_device::namco_de_pcbstack_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
	device_t(mconfig, NAMCO_DE_PCB, tag, owner, clock),
	m_maincpu(*this, "maincpu"),
	m_audiocpu(*this, "audiocpu"),
	m_slave(*this, "slave"),
	m_c68(*this, "c68mcu"),
	m_sci(*this, "sci"),
	m_master_intc(*this, "master_intc"),
	m_slave_intc(*this, "slave_intc"),
	m_c140(*this, "c140"),
	m_c355spr(*this, "c355spr"),
	m_palette(*this, "palette"),
	m_screen(*this, "screen"),
	m_audiobank(*this, "audiobank"),
	m_dpram(*this, "dpram"),
	m_namcos21_3d(*this, "namcos21_3d"),
	m_namcos21_dsp(*this, "namcos21dsp")
{
}

INTERRUPT_GEN_MEMBER( namco_de_pcbstack_device::irq0_line_hold )   { device.execute().set_input_line(0, HOLD_LINE); }
INTERRUPT_GEN_MEMBER( namco_de_pcbstack_device::irq1_line_hold )   { device.execute().set_input_line(1, HOLD_LINE); }


static const gfx_layout tile_layout =
{
	16,16,
	RGN_FRAC(1,4),  /* number of tiles */
	8,      /* bits per pixel */
	{       /* plane offsets */
		0,1,2,3,4,5,6,7
	},
	{ /* x offsets */
		0*8,RGN_FRAC(1,4)+0*8,RGN_FRAC(2,4)+0*8,RGN_FRAC(3,4)+0*8,
		1*8,RGN_FRAC(1,4)+1*8,RGN_FRAC(2,4)+1*8,RGN_FRAC(3,4)+1*8,
		2*8,RGN_FRAC(1,4)+2*8,RGN_FRAC(2,4)+2*8,RGN_FRAC(3,4)+2*8,
		3*8,RGN_FRAC(1,4)+3*8,RGN_FRAC(2,4)+3*8,RGN_FRAC(3,4)+3*8
	},
	{ /* y offsets */
		0*32,1*32,2*32,3*32,
		4*32,5*32,6*32,7*32,
		8*32,9*32,10*32,11*32,
		12*32,13*32,14*32,15*32
	},
	8*64 /* sprite offset */
};

static GFXDECODE_START( gfx_namcos21 )
	GFXDECODE_ENTRY( "gfx1", 0x000000, tile_layout,  0x1000, 0x10 )
GFXDECODE_END


MACHINE_CONFIG_START(namco_de_pcbstack_device::device_add_mconfig)
	MCFG_DEVICE_ADD("maincpu", M68000,12288000) /* Master */
	MCFG_DEVICE_PROGRAM_MAP(driveyes_master_map)
	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", namco_de_pcbstack_device, screen_scanline, "screen", 0, 1)

	MCFG_DEVICE_ADD("slave", M68000,12288000) /* Slave */
	MCFG_DEVICE_PROGRAM_MAP(driveyes_slave_map)

	MCFG_DEVICE_ADD("audiocpu", MC6809E, 3072000) /* Sound */
	MCFG_DEVICE_PROGRAM_MAP(sound_map)
	MCFG_DEVICE_PERIODIC_INT_DRIVER(namco_de_pcbstack_device, irq0_line_hold, 2*60)
	MCFG_DEVICE_PERIODIC_INT_DRIVER(namco_de_pcbstack_device, irq1_line_hold, 120)

	configure_c68_namcos21(config);

	NAMCOS21_DSP(config, m_namcos21_dsp, 0);
	m_namcos21_dsp->set_renderer_tag("namcos21_3d");

	MCFG_QUANTUM_TIME(attotime::from_hz(6000)) /* 100 CPU slices per frame */

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_1);

	configure_c148_standard(config);
	NAMCO_C139(config, m_sci, 0);

	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_RAW_PARAMS_NAMCO480I
	MCFG_SCREEN_UPDATE_DRIVER(namco_de_pcbstack_device, screen_update)
	MCFG_SCREEN_PALETTE(m_palette)

	GFXDECODE(config, "gfxdecode", m_palette, gfx_namcos21);
	PALETTE(config, m_palette).set_format(palette_device::xBRG_888, NAMCOS21_NUM_COLORS);

	NAMCOS21_3D(config, m_namcos21_3d, 0);
	m_namcos21_3d->set_fixed_palbase(0x3f00);
	m_namcos21_3d->set_zz_shift_mult(10, 0x100);
	m_namcos21_3d->set_depth_reverse(false);
	m_namcos21_3d->set_framebuffer_size(496,480);

	NAMCO_C355SPR(config, m_c355spr, 0);
	m_c355spr->set_screen(m_screen);
	m_c355spr->set_gfxdecode_tag("gfxdecode");
	m_c355spr->set_scroll_offsets(0x26, 0x19);
	m_c355spr->set_tile_callback(namco_c355spr_device::c355_obj_code2tile_delegate());
	m_c355spr->set_palxor(0xf); // reverse mapping
	m_c355spr->set_gfxregion(0);

	SPEAKER(config, "lspeaker").front_left();
	SPEAKER(config, "rspeaker").front_right();

	C140(config, m_c140, 8000000/374);
	m_c140->set_bank_type(c140_device::C140_TYPE::SYSTEM21);
	m_c140->add_route(0, "lspeaker", 0.50);
	m_c140->add_route(1, "rspeaker", 0.50);

	YM2151(config, "ymsnd", 3579580).add_route(0, "lspeaker", 0.30).add_route(1, "rspeaker", 0.30);
MACHINE_CONFIG_END


uint32_t namco_de_pcbstack_device::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	//uint8_t *videoram = m_gpu_videoram.get();
	int pivot = 3;
	int pri;
	bitmap.fill(0xff, cliprect );

	m_c355spr->draw(screen, bitmap, cliprect, 2 );
	m_c355spr->draw(screen, bitmap, cliprect, 14 );   //driver's eyes

	m_namcos21_3d->copy_visible_poly_framebuffer(bitmap, cliprect, 0x7fc0, 0x7ffe);

	m_c355spr->draw(screen, bitmap, cliprect, 0 );
	m_c355spr->draw(screen, bitmap, cliprect, 1 );

	m_namcos21_3d->copy_visible_poly_framebuffer(bitmap, cliprect, 0, 0x7fbf);

	for (pri = pivot; pri < 8; pri++)
	{
		m_c355spr->draw(screen, bitmap, cliprect, pri);
	}

	m_c355spr->draw(screen, bitmap, cliprect, 15 );   //driver's eyes

	return 0;

}

READ16_MEMBER(namco_de_pcbstack_device::video_enable_r)
{
	return m_video_enable;
}

WRITE16_MEMBER(namco_de_pcbstack_device::video_enable_w)
{
	COMBINE_DATA( &m_video_enable ); /* 0x40 = enable */
	if( m_video_enable!=0 && m_video_enable!=0x40 )
	{
		logerror( "unexpected video_enable_w=0x%x\n", m_video_enable );
	}
}

/***********************************************************/

/* dual port ram memory handlers */

READ16_MEMBER(namco_de_pcbstack_device::dpram_word_r)
{
	return m_dpram[offset];
}

WRITE16_MEMBER(namco_de_pcbstack_device::dpram_word_w)
{
	if( ACCESSING_BITS_0_7 )
	{
		m_dpram[offset] = data&0xff;
	}
}

READ8_MEMBER(namco_de_pcbstack_device::dpram_byte_r)
{
	return m_dpram[offset];
}

WRITE8_MEMBER(namco_de_pcbstack_device::dpram_byte_w)
{
	m_dpram[offset] = data;
}

/*************************************************************/
/* SOUND 6809 CPU Memory declarations                        */
/*************************************************************/

void namco_de_pcbstack_device::sound_map(address_map &map)
{
	map(0x0000, 0x3fff).bankr("audiobank"); /* banked */
	map(0x3000, 0x3003).nopw(); /* ? */
	map(0x4000, 0x4001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write));
	map(0x5000, 0x6fff).rw(m_c140, FUNC(c140_device::c140_r), FUNC(c140_device::c140_w));
	map(0x7000, 0x77ff).rw(FUNC(namco_de_pcbstack_device::dpram_byte_r), FUNC(namco_de_pcbstack_device::dpram_byte_w)).share("dpram");
	map(0x7800, 0x7fff).rw(FUNC(namco_de_pcbstack_device::dpram_byte_r), FUNC(namco_de_pcbstack_device::dpram_byte_w)); /* mirror */
	map(0x8000, 0x9fff).ram();
	map(0xa000, 0xbfff).nopw(); /* amplifier enable on 1st write */
	map(0xc000, 0xffff).nopw(); /* avoid debug log noise; games write frequently to 0xe000 */
	map(0xc000, 0xc001).w(FUNC(namco_de_pcbstack_device::sound_bankselect_w));
	map(0xd001, 0xd001).nopw(); /* watchdog */
	map(0xd000, 0xffff).rom().region("audiocpu", 0x01000);
}

/*************************************************************/
/* I/O HD63705 MCU Memory declarations                       */
/*************************************************************/

void namco_de_pcbstack_device::configure_c68_namcos21(machine_config &config)
{
	NAMCOC68(config, m_c68, 8000000);
	m_c68->in_pb_callback().set_ioport("MCUB");
	m_c68->in_pc_callback().set_ioport("MCUC");
	m_c68->in_ph_callback().set_ioport("MCUH");
	m_c68->in_pdsw_callback().set_ioport("DSW");
	m_c68->di0_in_cb().set_ioport("MCUDI0");
	m_c68->di1_in_cb().set_ioport("MCUDI1");
	m_c68->di2_in_cb().set_ioport("MCUDI2");
	m_c68->di3_in_cb().set_ioport("MCUDI3");
	m_c68->an0_in_cb().set_ioport("AN0");
	m_c68->an1_in_cb().set_ioport("AN1");
	m_c68->an2_in_cb().set_ioport("AN2");
	m_c68->an3_in_cb().set_ioport("AN3");
	m_c68->an4_in_cb().set_ioport("AN4");
	m_c68->an5_in_cb().set_ioport("AN5");
	m_c68->an6_in_cb().set_ioport("AN6");
	m_c68->an7_in_cb().set_ioport("AN7");
	m_c68->dp_in_callback().set(FUNC(namco_de_pcbstack_device::dpram_byte_r));
	m_c68->dp_out_callback().set(FUNC(namco_de_pcbstack_device::dpram_byte_w));
}

/*************************************************************/
/* Driver's Eyes Memory declarations overrides               */
/*************************************************************/


void namco_de_pcbstack_device::driveyes_common_map(address_map &map)
{
	map(0x700000, 0x71ffff).rw(m_c355spr, FUNC(namco_c355spr_device::spriteram_r), FUNC(namco_c355spr_device::spriteram_w));
	map(0x720000, 0x720007).rw(m_c355spr, FUNC(namco_c355spr_device::position_r), FUNC(namco_c355spr_device::position_w));
	map(0x740000, 0x74ffff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
	map(0x750000, 0x75ffff).ram().w(m_palette, FUNC(palette_device::write16_ext)).share("palette_ext");
	map(0x760000, 0x760001).rw(FUNC(namco_de_pcbstack_device::video_enable_r), FUNC(namco_de_pcbstack_device::video_enable_w));
	map(0x800000, 0x8fffff).rom().region("data", 0);
	map(0x900000, 0x90ffff).ram().share("sharedram");
	map(0xa00000, 0xa00fff).rw(FUNC(namco_de_pcbstack_device::dpram_word_r), FUNC(namco_de_pcbstack_device::dpram_word_w));
	map(0xb00000, 0xb03fff).rw(m_sci, FUNC(namco_c139_device::ram_r), FUNC(namco_c139_device::ram_w));
	map(0xb80000, 0xb8000f).m(m_sci, FUNC(namco_c139_device::regs_map));
}

void namco_de_pcbstack_device::driveyes_master_map(address_map &map)
{
	driveyes_common_map(map);
	map(0x000000, 0x03ffff).rom();
	map(0x100000, 0x10ffff).ram(); /* private work RAM */
	map(0x180000, 0x183fff).rw(FUNC(namco_de_pcbstack_device::eeprom_r), FUNC(namco_de_pcbstack_device::eeprom_w)).umask16(0x00ff);
	map(0x1c0000, 0x1fffff).m(m_master_intc, FUNC(namco_c148_device::map));

	// DSP related
	map(0x250000, 0x25ffff).ram().share("namcos21dsp:winrun_polydata");
	map(0x280000, 0x281fff).w(m_namcos21_dsp, FUNC(namcos21_dsp_device::winrun_dspbios_w));
	map(0x380000, 0x38000f).rw(m_namcos21_dsp, FUNC(namcos21_dsp_device::winrun_dspcomram_control_r), FUNC(namcos21_dsp_device::winrun_dspcomram_control_w));
	map(0x3c0000, 0x3c1fff).rw(m_namcos21_dsp, FUNC(namcos21_dsp_device::winrun_68k_dspcomram_r), FUNC(namcos21_dsp_device::winrun_68k_dspcomram_w));
	map(0x400000, 0x400001).w(m_namcos21_dsp, FUNC(namcos21_dsp_device::pointram_control_w));
	map(0x440000, 0x440001).rw(m_namcos21_dsp, FUNC(namcos21_dsp_device::pointram_data_r), FUNC(namcos21_dsp_device::pointram_data_w));
}

void namco_de_pcbstack_device::driveyes_slave_map(address_map &map)
{
	driveyes_common_map(map);
	map(0x000000, 0x03ffff).rom();
	map(0x100000, 0x10ffff).ram(); /* private work RAM */
	map(0x1c0000, 0x1fffff).m(m_slave_intc, FUNC(namco_c148_device::map));
}

WRITE8_MEMBER( namco_de_pcbstack_device::sound_bankselect_w )
{
	m_audiobank->set_entry(data>>4);
}

WRITE8_MEMBER(namco_de_pcbstack_device::sound_reset_w)
{
	if (data & 0x01)
	{
		/* Resume execution */
		m_audiocpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
		m_maincpu->yield();
	}
	else
	{
		/* Suspend execution */
		m_audiocpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
	}
}

WRITE8_MEMBER(namco_de_pcbstack_device::system_reset_w)
{
	reset_all_subcpus(data & 1 ? CLEAR_LINE : ASSERT_LINE);

	if (data & 0x01)
		m_maincpu->yield();
}

void namco_de_pcbstack_device::reset_all_subcpus(int state)
{
	m_slave->set_input_line(INPUT_LINE_RESET, state);
	m_c68->ext_reset(state);
}

WRITE8_MEMBER(namco_de_pcbstack_device::eeprom_w)
{
	m_eeprom[offset] = data;
}

READ8_MEMBER(namco_de_pcbstack_device::eeprom_r)
{
	return m_eeprom[offset];
}


TIMER_DEVICE_CALLBACK_MEMBER(namco_de_pcbstack_device::screen_scanline)
{
	int scanline = param;
//  int cur_posirq = get_posirq_scanline()*2;

	if(scanline == 240*2)
	{
		m_master_intc->vblank_irq_trigger();
		m_slave_intc->vblank_irq_trigger();
		m_c68->ext_interrupt(ASSERT_LINE);
	}
}

void namco_de_pcbstack_device::configure_c148_standard(machine_config &config)
{
	NAMCO_C148(config, m_master_intc, 0, m_maincpu, true);
	m_master_intc->link_c148_device(m_slave_intc);
	m_master_intc->out_ext1_callback().set(FUNC(namco_de_pcbstack_device::sound_reset_w));
	m_master_intc->out_ext2_callback().set(FUNC(namco_de_pcbstack_device::system_reset_w));

	NAMCO_C148(config, m_slave_intc, 0, m_slave, false);
	m_slave_intc->link_c148_device(m_master_intc);
}

void namco_de_pcbstack_device::device_start()
{
	m_eeprom = std::make_unique<uint8_t[]>(0x2000);
	subdevice<nvram_device>("nvram")->set_base(m_eeprom.get(), 0x2000);

	uint32_t max = memregion("audiocpu")->bytes() / 0x4000;
	for (int i = 0; i < 0x10; i++)
		m_audiobank->configure_entry(i, memregion("audiocpu")->base() + (i % max) * 0x4000);

}

void namco_de_pcbstack_device::device_reset()
{
	/* Initialise the bank select in the sound CPU */
	m_audiobank->set_entry(0); /* Page in bank 0 */

	m_audiocpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE );

	/* Place CPU2 & CPU3 into the reset condition */
	reset_all_subcpus(ASSERT_LINE);
}


class namcos21_de_state : public driver_device
{
public:
	namcos21_de_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_pcb(*this, "pcb_%u", 0U),
		m_io_gearbox(*this, "gearbox")
	{ }

	void driveyes(machine_config &config);

private:
	required_device_array<namco_de_pcbstack_device, 3> m_pcb;
	required_device<namcoio_gearbox_device> m_io_gearbox;
};

// driveyes only
void namcos21_de_state::driveyes(machine_config &config)
{
	NAMCO_DE_PCB(config, m_pcb[0], 0);
	NAMCO_DE_PCB(config, m_pcb[1], 0);
	NAMCO_DE_PCB(config, m_pcb[2], 0);

	NAMCOIO_GEARBOX(config, m_io_gearbox, 0);
}

// stacks with the DSWs set to left or right screen will show 'receive error' because they want comms from the main screen

static INPUT_PORTS_START( driveyes )
	PORT_START("pcb_1:MCUC")
	PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Service Button") PORT_CODE(KEYCODE_0) PORT_TOGGLE // alt test mode switch
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE1 )

	PORT_START("pcb_1:MCUB")
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_DEVICE_MEMBER("gearbox", namcoio_gearbox_device, clutch_r )
	PORT_BIT( 0x37, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) /* ? */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) /* ? */

	PORT_START("pcb_1:MCUH")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Red Button")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Green Button")
	PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("pcb_1:DSW")
	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x02, 0x02, "DSW2")
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Screen (DON'T CHANGE)")
	PORT_DIPSETTING(    0x0c, "Center (correct)" )
	PORT_DIPSETTING(    0x08, "Left (invalid)" )
	PORT_DIPSETTING(    0x04, "Right (invalid)" )
	PORT_DIPSETTING(    0x00, "Right (invalid) (duplicate)" )
	PORT_DIPNAME( 0x10, 0x10, "DSW5")
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "PCM ROM")
	PORT_DIPSETTING(    0x20, "2M" )
	PORT_DIPSETTING(    0x00, "4M" )
	PORT_DIPNAME( 0x40, 0x40, "DSW7")
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Screen Stop")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("pcb_1:AN0")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:AN1")
	PORT_BIT( 0xff, 0x80, IPT_PEDAL ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(15) PORT_KEYDELTA(10) PORT_NAME("Gas Pedal")
	PORT_START("pcb_1:AN2")
	PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(15) PORT_KEYDELTA(10) PORT_NAME("Steering Wheel")
	PORT_START("pcb_1:AN3")
	PORT_BIT( 0xff, 0x80, IPT_PEDAL2 ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(15) PORT_KEYDELTA(10) PORT_NAME("Brake Pedal")
	PORT_START("pcb_1:AN4")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:AN5")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:AN6")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:AN7")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("pcb_1:MCUDI0")
	PORT_BIT( 0x0f, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER("gearbox", namcoio_gearbox_device, in_r, nullptr )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("pcb_1:MCUDI1")     /* 63B05Z0 - $3001 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:MCUDI2")     /* 63B05Z0 - $3002 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_1:MCUDI3")     /* 63B05Z0 - $3003 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	// the side view screens do still read inputs, but it's more likely that the main screen should be transfering them
	// somehow rather than the controls being directly split
	PORT_START("pcb_0:DSW")
	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x02, 0x02, "DSW2")
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x0c, 0x08, "Screen (DON'T CHANGE)")
	PORT_DIPSETTING(    0x0c, "Center (invalid)" )
	PORT_DIPSETTING(    0x08, "Left (correct)" )
	PORT_DIPSETTING(    0x04, "Right (invalid)" )
	PORT_DIPSETTING(    0x00, "Right (invalid) (duplicate)" )
	PORT_DIPNAME( 0x10, 0x10, "DSW5")
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "PCM ROM")
	PORT_DIPSETTING(    0x20, "2M" )
	PORT_DIPSETTING(    0x00, "4M" )
	PORT_DIPNAME( 0x40, 0x40, "DSW7")
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Screen Stop")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_START("pcb_0:MCUC")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUB")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUH")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN0")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN1")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN2")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN3")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN4")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN5")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN6")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:AN7")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUDI0")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUDI1")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUDI2")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_0:MCUDI3")

	PORT_START("pcb_2:DSW")
	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x02, 0x02, "DSW2")
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x0c, 0x04, "Screen (DON'T CHANGE)")
	PORT_DIPSETTING(    0x0c, "Center (invalid)" )
	PORT_DIPSETTING(    0x08, "Left (invalid)" )
	PORT_DIPSETTING(    0x04, "Right (correct)" )
	PORT_DIPSETTING(    0x00, "Right (invalid) (duplicate)" )
	PORT_DIPNAME( 0x10, 0x10, "DSW5")
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "PCM ROM")
	PORT_DIPSETTING(    0x20, "2M" )
	PORT_DIPSETTING(    0x00, "4M" )
	PORT_DIPNAME( 0x40, 0x40, "DSW7")
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Screen Stop")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_START("pcb_2:MCUC")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUB")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUH")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN0")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN1")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN2")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN3")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN4")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN5")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN6")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:AN7")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUDI0")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUDI1")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUDI2")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("pcb_2:MCUDI3")
INPUT_PORTS_END

/*
    Note, only the main screen PCB stack has voice roms populated
    the sound program also differs on the side screen sets

    pcb_0 = left
    pcb_1 = center
    pcb_2 = right
*/

ROM_START( driveyes )
	// pcb_1 - center
	ROM_REGION( 0x40000, "pcb_1:maincpu", 0 ) /* C68C - 68k code */
	ROM_LOAD16_BYTE( "de2-mp-ub.3j", 0x000000, 0x20000, CRC(f9c86fb5) SHA1(b48d16e8f26e7a2cfecb30285b517c42e5585ac7) )
	ROM_LOAD16_BYTE( "de2-mp-lb.1j", 0x000001, 0x20000, CRC(11d8587a) SHA1(ecb1e8fe2ba56b6f6a71a5552d5663b597165786) )

	ROM_REGION( 0x40000, "pcb_1:slave", 0 ) /* C68 - 68k code */
	ROM_LOAD16_BYTE( "de1-sp-ub.6c", 0x000000, 0x20000, CRC(231b144f) SHA1(42518614cb083455dc5fec71e699403907ca784b) )
	ROM_LOAD16_BYTE( "de1-sp-lb.4c", 0x000001, 0x20000, CRC(50cb9f59) SHA1(aec7fa080854f0297d9e90e3aaeb0f332fd579bd) )

	ROM_REGION( 0x20000, "pcb_1:audiocpu", 0 ) /* Sound */
	ROM_LOAD( "de1-snd0.8j",  0x000000, 0x020000, CRC(5474f203) SHA1(e0ae2f6978deb0c934d9311a334a6e36bb402aee) ) /* correct for center view */

	ROM_REGION( 0x200000, "pcb_1:c140", 0 ) /* sound samples - populated for center view only */
	ROM_LOAD("de1-voi0.12b", 0x040000, 0x40000, CRC(fc44adbd) SHA1(4268bb1f025e47a94212351d1c1cfd0e5029221f) )
	ROM_LOAD("de1-voi1.12c", 0x0c0000, 0x40000, CRC(a71dc55a) SHA1(5e746184db9144ab4e3a97b20195b92b0f56c8cc) )
	ROM_LOAD("de1-voi2.12d", 0x140000, 0x40000, CRC(4d32879a) SHA1(eae65f4b98cee9efe4e5dad7298c3717cfb1e6bf) )
	ROM_LOAD("de1-voi3.12e", 0x1c0000, 0x40000, CRC(e4832d18) SHA1(0460c79d3942aab89a765b0bd8bbddaf19a6d682) )

	ROM_REGION( 0x8000, "pcb_1:c68mcu:external", ROMREGION_ERASE00 ) /* C68 (M37450) I/O MCU program */
	/* external ROM not populated, unclear how it would map */

	ROM_REGION( 0x200000, "pcb_1:gfx1", 0 ) /* sprites */
	ROM_LOAD( "de1-obj0.5s", 0x000000, 0x40000, CRC(7438bd53) SHA1(7619c4b56d5c466e845eb45e6157dcaf2a03ad94) )
	ROM_LOAD( "de1-obj4.4s", 0x040000, 0x40000, CRC(335f0ea4) SHA1(9ec065d99ad0874b262b372334179a7e7612558e) )
	ROM_LOAD( "de1-obj1.5x", 0x080000, 0x40000, CRC(45f2334e) SHA1(95f277a4e43d6662ae44d6b69a57f65c72978319) )
	ROM_LOAD( "de1-obj5.4x", 0x0c0000, 0x40000, CRC(9e22999c) SHA1(02624186c359b5e2c96cd3f0e2cb1598ea36dff7) )
	ROM_LOAD( "de1-obj2.3s", 0x100000, 0x40000, CRC(8f1a542c) SHA1(2cb59713607d8929815a9b28bf2a384b6a6c9db8) )
	ROM_LOAD( "de1-obj6.2s", 0x140000, 0x40000, CRC(346df4d5) SHA1(edbadb9db93b7f5a3b064c7f6acb77001cdacce2) )
	ROM_LOAD( "de1-obj3.3x", 0x180000, 0x40000, CRC(fc94544c) SHA1(6297445c64784ee253716f6438d98e5fcd4e7520) )
	ROM_LOAD( "de1-obj7.2x", 0x1c0000, 0x40000, CRC(9ce325d7) SHA1(de4d788bec14842507ed405244974b4fd4f07515) )

	ROM_REGION16_BE( 0x100000, "pcb_1:data", 0 ) /* 68k */
	ROM_LOAD16_BYTE( "de1-data-u.3a",  0x00000, 0x80000, CRC(fe65d2ab) SHA1(dbe962dda7efa60357fa3a684a265aaad49df5b5) )
	ROM_LOAD16_BYTE( "de1-data-l.1a",  0x00001, 0x80000, CRC(9bb37aca) SHA1(7f5dffc95cadcf12f53ff7944920afc25ed3cf68) )

	ROM_REGION16_BE( 0xc0000, "pcb_1:namcos21dsp:point16", 0 ) /* 3d objects */
	ROM_LOAD16_BYTE( "de1-pt0-ub.8j", 0x00000, 0x20000, CRC(3b6b746d) SHA1(40c992ef4cf5187b30aba42c5fe7ce0f8f02bee0) )
	ROM_LOAD16_BYTE( "de1-pt0-lb.8d", 0x00001, 0x20000, CRC(9c5c477e) SHA1(c8ae8a663227d636d35bd5f432d23f05d6695942) )
	ROM_LOAD16_BYTE( "de1-pt1-u.8l",  0x40000, 0x20000, CRC(23bc72a1) SHA1(083e2955ae2f88d1ad461517b47054d64375b46e) )
	ROM_LOAD16_BYTE( "de1-pt1-l.8e",  0x40001, 0x20000, CRC(a05ee081) SHA1(1be4c61ad716abb809856e04d4bb450943706a55) )
	ROM_LOAD16_BYTE( "de1-pt2-u.5n",  0x80000, 0x20000, CRC(10e83d81) SHA1(446fedc3b1e258a39fb9467e5327c9f9a9f1ac3f) )
	ROM_LOAD16_BYTE( "de1-pt2-l.7n",  0x80001, 0x20000, CRC(3339a976) SHA1(c9eb9c04f7b3f2a85e5ab64ffb2fe4fcfb6c494b) )

	ROM_REGION( 0x2000, "pcb_1:nvram", 0 ) /* default settings, including calibration */
	ROM_LOAD( "nvram", 0x0000, 0x2000, CRC(fa6623e9) SHA1(8c313f136724eb6c829261b223a2ac1fc08d00c2) )

	// pcb_0 - left
	ROM_REGION( 0x40000, "pcb_0:maincpu", 0 ) /* C68C - 68k code */
	ROM_LOAD16_BYTE( "de2-mp-ub.3j", 0x000000, 0x20000, CRC(f9c86fb5) SHA1(b48d16e8f26e7a2cfecb30285b517c42e5585ac7) )
	ROM_LOAD16_BYTE( "de2-mp-lb.1j", 0x000001, 0x20000, CRC(11d8587a) SHA1(ecb1e8fe2ba56b6f6a71a5552d5663b597165786) )

	ROM_REGION( 0x40000, "pcb_0:slave", 0 ) /* C68 - 68k code */
	ROM_LOAD16_BYTE( "de1-sp-ub.6c", 0x000000, 0x20000, CRC(231b144f) SHA1(42518614cb083455dc5fec71e699403907ca784b) )
	ROM_LOAD16_BYTE( "de1-sp-lb.4c", 0x000001, 0x20000, CRC(50cb9f59) SHA1(aec7fa080854f0297d9e90e3aaeb0f332fd579bd) )

	ROM_REGION( 0x20000, "pcb_0:audiocpu", 0 ) /* Sound */
	ROM_LOAD( "de1-snd0r.8j", 0x000000, 0x020000, CRC(7bbeda42) SHA1(fe840cc9069758928492bbeec79acded18daafd9) ) // correct for left & right views

	ROM_REGION( 0x200000, "pcb_0:c140", ROMREGION_ERASE00 ) /* sound samples */
	/* unpopulated for left / right views */

	ROM_REGION( 0x8000, "pcb_0:c68mcu:external", ROMREGION_ERASE00 ) /* C68 (M37450) I/O MCU program */
	/* external ROM not populated, unclear how it would map */

	ROM_REGION( 0x200000, "pcb_0:gfx1", 0 ) /* sprites */
	ROM_LOAD( "de1-obj0.5s", 0x000000, 0x40000, CRC(7438bd53) SHA1(7619c4b56d5c466e845eb45e6157dcaf2a03ad94) )
	ROM_LOAD( "de1-obj4.4s", 0x040000, 0x40000, CRC(335f0ea4) SHA1(9ec065d99ad0874b262b372334179a7e7612558e) )
	ROM_LOAD( "de1-obj1.5x", 0x080000, 0x40000, CRC(45f2334e) SHA1(95f277a4e43d6662ae44d6b69a57f65c72978319) )
	ROM_LOAD( "de1-obj5.4x", 0x0c0000, 0x40000, CRC(9e22999c) SHA1(02624186c359b5e2c96cd3f0e2cb1598ea36dff7) )
	ROM_LOAD( "de1-obj2.3s", 0x100000, 0x40000, CRC(8f1a542c) SHA1(2cb59713607d8929815a9b28bf2a384b6a6c9db8) )
	ROM_LOAD( "de1-obj6.2s", 0x140000, 0x40000, CRC(346df4d5) SHA1(edbadb9db93b7f5a3b064c7f6acb77001cdacce2) )
	ROM_LOAD( "de1-obj3.3x", 0x180000, 0x40000, CRC(fc94544c) SHA1(6297445c64784ee253716f6438d98e5fcd4e7520) )
	ROM_LOAD( "de1-obj7.2x", 0x1c0000, 0x40000, CRC(9ce325d7) SHA1(de4d788bec14842507ed405244974b4fd4f07515) )

	ROM_REGION16_BE( 0x100000, "pcb_0:data", 0 ) /* 68k */
	ROM_LOAD16_BYTE( "de1-data-u.3a",  0x00000, 0x80000, CRC(fe65d2ab) SHA1(dbe962dda7efa60357fa3a684a265aaad49df5b5) )
	ROM_LOAD16_BYTE( "de1-data-l.1a",  0x00001, 0x80000, CRC(9bb37aca) SHA1(7f5dffc95cadcf12f53ff7944920afc25ed3cf68) )

	ROM_REGION16_BE( 0xc0000, "pcb_0:namcos21dsp:point16", 0 ) /* 3d objects */
	ROM_LOAD16_BYTE( "de1-pt0-ub.8j", 0x00000, 0x20000, CRC(3b6b746d) SHA1(40c992ef4cf5187b30aba42c5fe7ce0f8f02bee0) )
	ROM_LOAD16_BYTE( "de1-pt0-lb.8d", 0x00001, 0x20000, CRC(9c5c477e) SHA1(c8ae8a663227d636d35bd5f432d23f05d6695942) )
	ROM_LOAD16_BYTE( "de1-pt1-u.8l",  0x40000, 0x20000, CRC(23bc72a1) SHA1(083e2955ae2f88d1ad461517b47054d64375b46e) )
	ROM_LOAD16_BYTE( "de1-pt1-l.8e",  0x40001, 0x20000, CRC(a05ee081) SHA1(1be4c61ad716abb809856e04d4bb450943706a55) )
	ROM_LOAD16_BYTE( "de1-pt2-u.5n",  0x80000, 0x20000, CRC(10e83d81) SHA1(446fedc3b1e258a39fb9467e5327c9f9a9f1ac3f) )
	ROM_LOAD16_BYTE( "de1-pt2-l.7n",  0x80001, 0x20000, CRC(3339a976) SHA1(c9eb9c04f7b3f2a85e5ab64ffb2fe4fcfb6c494b) )

	ROM_REGION( 0x2000, "pcb_0:nvram", 0 ) /* default settings, including calibration */
	ROM_LOAD( "nvram", 0x0000, 0x2000, CRC(fa6623e9) SHA1(8c313f136724eb6c829261b223a2ac1fc08d00c2) )

	// pcb_2 - right
	ROM_REGION( 0x40000, "pcb_2:maincpu", 0 ) /* C68C - 68k code */
	ROM_LOAD16_BYTE( "de2-mp-ub.3j", 0x000000, 0x20000, CRC(f9c86fb5) SHA1(b48d16e8f26e7a2cfecb30285b517c42e5585ac7) )
	ROM_LOAD16_BYTE( "de2-mp-lb.1j", 0x000001, 0x20000, CRC(11d8587a) SHA1(ecb1e8fe2ba56b6f6a71a5552d5663b597165786) )

	ROM_REGION( 0x40000, "pcb_2:slave", 0 ) /* C68 - 68k code */
	ROM_LOAD16_BYTE( "de1-sp-ub.6c", 0x000000, 0x20000, CRC(231b144f) SHA1(42518614cb083455dc5fec71e699403907ca784b) )
	ROM_LOAD16_BYTE( "de1-sp-lb.4c", 0x000001, 0x20000, CRC(50cb9f59) SHA1(aec7fa080854f0297d9e90e3aaeb0f332fd579bd) )

	ROM_REGION( 0x20000, "pcb_2:audiocpu", 0 ) /* Sound */
	ROM_LOAD( "de1-snd0r.8j", 0x000000, 0x020000, CRC(7bbeda42) SHA1(fe840cc9069758928492bbeec79acded18daafd9) ) // correct for left & right views

	ROM_REGION( 0x200000, "pcb_2:c140", ROMREGION_ERASE00 ) /* sound samples */
	/* unpopulated for left / right views */

	ROM_REGION( 0x8000, "pcb_2:c68mcu:external", ROMREGION_ERASE00 ) /* C68 (M37450) I/O MCU program */
	/* external ROM not populated, unclear how it would map */

	ROM_REGION( 0x200000, "pcb_2:gfx1", 0 ) /* sprites */
	ROM_LOAD( "de1-obj0.5s", 0x000000, 0x40000, CRC(7438bd53) SHA1(7619c4b56d5c466e845eb45e6157dcaf2a03ad94) )
	ROM_LOAD( "de1-obj4.4s", 0x040000, 0x40000, CRC(335f0ea4) SHA1(9ec065d99ad0874b262b372334179a7e7612558e) )
	ROM_LOAD( "de1-obj1.5x", 0x080000, 0x40000, CRC(45f2334e) SHA1(95f277a4e43d6662ae44d6b69a57f65c72978319) )
	ROM_LOAD( "de1-obj5.4x", 0x0c0000, 0x40000, CRC(9e22999c) SHA1(02624186c359b5e2c96cd3f0e2cb1598ea36dff7) )
	ROM_LOAD( "de1-obj2.3s", 0x100000, 0x40000, CRC(8f1a542c) SHA1(2cb59713607d8929815a9b28bf2a384b6a6c9db8) )
	ROM_LOAD( "de1-obj6.2s", 0x140000, 0x40000, CRC(346df4d5) SHA1(edbadb9db93b7f5a3b064c7f6acb77001cdacce2) )
	ROM_LOAD( "de1-obj3.3x", 0x180000, 0x40000, CRC(fc94544c) SHA1(6297445c64784ee253716f6438d98e5fcd4e7520) )
	ROM_LOAD( "de1-obj7.2x", 0x1c0000, 0x40000, CRC(9ce325d7) SHA1(de4d788bec14842507ed405244974b4fd4f07515) )

	ROM_REGION16_BE( 0x100000, "pcb_2:data", 0 ) /* 68k */
	ROM_LOAD16_BYTE( "de1-data-u.3a",  0x00000, 0x80000, CRC(fe65d2ab) SHA1(dbe962dda7efa60357fa3a684a265aaad49df5b5) )
	ROM_LOAD16_BYTE( "de1-data-l.1a",  0x00001, 0x80000, CRC(9bb37aca) SHA1(7f5dffc95cadcf12f53ff7944920afc25ed3cf68) )

	ROM_REGION16_BE( 0xc0000, "pcb_2:namcos21dsp:point16", 0 ) /* 3d objects */
	ROM_LOAD16_BYTE( "de1-pt0-ub.8j", 0x00000, 0x20000, CRC(3b6b746d) SHA1(40c992ef4cf5187b30aba42c5fe7ce0f8f02bee0) )
	ROM_LOAD16_BYTE( "de1-pt0-lb.8d", 0x00001, 0x20000, CRC(9c5c477e) SHA1(c8ae8a663227d636d35bd5f432d23f05d6695942) )
	ROM_LOAD16_BYTE( "de1-pt1-u.8l",  0x40000, 0x20000, CRC(23bc72a1) SHA1(083e2955ae2f88d1ad461517b47054d64375b46e) )
	ROM_LOAD16_BYTE( "de1-pt1-l.8e",  0x40001, 0x20000, CRC(a05ee081) SHA1(1be4c61ad716abb809856e04d4bb450943706a55) )
	ROM_LOAD16_BYTE( "de1-pt2-u.5n",  0x80000, 0x20000, CRC(10e83d81) SHA1(446fedc3b1e258a39fb9467e5327c9f9a9f1ac3f) )
	ROM_LOAD16_BYTE( "de1-pt2-l.7n",  0x80001, 0x20000, CRC(3339a976) SHA1(c9eb9c04f7b3f2a85e5ab64ffb2fe4fcfb6c494b) )


	ROM_REGION( 0x2000, "pcb_2:nvram", 0 ) /* default settings, including calibration */
	ROM_LOAD( "nvram", 0x0000, 0x2000, CRC(fa6623e9) SHA1(8c313f136724eb6c829261b223a2ac1fc08d00c2) )
ROM_END


/*    YEAR  NAME       PARENT    MACHINE   INPUT       CLASS           INIT           MONITOR  COMPANY  FULLNAME                                 FLAGS */

// 3 PCB stacks in a single cage (3x 4 PCBs) linked for 3 screen panorama, boards look similar to original Namco System 21 (not 21B) including TMS320C25 DSP, but use C68 I/O MCU and sprite chip instead of "68000 'GPU'" ?
GAME( 1992, driveyes,  0,        driveyes, driveyes,   namcos21_de_state, empty_init,    ROT0,    "Namco", "Driver's Eyes (Japan) (1992/01/10, Main Ver 2.1, Sub Ver 1.1)",                 MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_NODEVICE_LAN)