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

    Chequered Flag / Checkered Flag (GX717) (c) Konami 1988

    Notes:
    - 007232 volume & panning control is almost certainly wrong.
    - Needs HW tests or side-by-side tests to determine if the protection
      is 100% ok now;

    2008-07
    Dip locations and recommended settings verified with manual

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/konami/konami.h"
#include "video/konicdev.h"
#include "sound/2151intf.h"
#include "sound/k007232.h"
#include "includes/chqflag.h"
#include "includes/konamipt.h"

#include "chqflag.lh"


static WRITE8_DEVICE_HANDLER( k007232_extvolume_w );

static TIMER_DEVICE_CALLBACK( chqflag_scanline )
{
	chqflag_state *state = timer.machine().driver_data<chqflag_state>();
	int scanline = param;

	if(scanline == 240 && k051960_is_irq_enabled(state->m_k051960)) // vblank irq
		cputag_set_input_line(timer.machine(), "maincpu", KONAMI_IRQ_LINE, HOLD_LINE);
	else if(((scanline % 32) == 0) && (k051960_is_nmi_enabled(state->m_k051960))) // timer irq
		cputag_set_input_line(timer.machine(), "maincpu", INPUT_LINE_NMI, PULSE_LINE);
}

static WRITE8_HANDLER( chqflag_bankswitch_w )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();
	int bankaddress;
	UINT8 *RAM = space->machine().region("maincpu")->base();

	/* bits 0-4 = ROM bank # (0x00-0x11) */
	bankaddress = 0x10000 + (data & 0x1f) * 0x4000;
	memory_set_bankptr(space->machine(), "bank4", &RAM[bankaddress]);

	/* bit 5 = memory bank select */
	if (data & 0x20)
	{
		space->install_read_bank(0x1800, 0x1fff, "bank5");
		space->install_legacy_write_handler(0x1800, 0x1fff, FUNC(paletteram_xBBBBBGGGGGRRRRR_be_w));
		memory_set_bankptr(space->machine(), "bank5", space->machine().generic.paletteram.v);

		if (state->m_k051316_readroms)
			space->install_legacy_readwrite_handler(*state->m_k051316_1, 0x1000, 0x17ff, FUNC(k051316_rom_r), FUNC(k051316_w));	/* 051316 #1 (ROM test) */
		else
			space->install_legacy_readwrite_handler(*state->m_k051316_1, 0x1000, 0x17ff, FUNC(k051316_r), FUNC(k051316_w));		/* 051316 #1 */
	}
	else
	{
		space->install_readwrite_bank(0x1000, 0x17ff, "bank1");				/* RAM */
		space->install_readwrite_bank(0x1800, 0x1fff, "bank2");				/* RAM */
	}

	/* other bits unknown/unused */
}

static WRITE8_HANDLER( chqflag_vreg_w )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();

	/* bits 0 & 1 = coin counters */
	coin_counter_w(space->machine(), 1, data & 0x01);
	coin_counter_w(space->machine(), 0, data & 0x02);

	/* bit 4 = enable rom reading through K051316 #1 & #2 */
	state->m_k051316_readroms = (data & 0x10);

	if (state->m_k051316_readroms)
		space->install_legacy_read_handler(*state->m_k051316_2, 0x2800, 0x2fff, FUNC(k051316_rom_r));	/* 051316 (ROM test) */
	else
		space->install_legacy_read_handler(*state->m_k051316_2, 0x2800, 0x2fff, FUNC(k051316_r));		/* 051316 */

	/* Bits 3-7 probably control palette dimming in a similar way to TMNT2/Sunset Riders, */
	/* however I don't have enough evidence to determine the exact behaviour. */
	/* Bits 3 and 7 are set in night stages, where the background should get darker and */
	/* the headlight (which have the shadow bit set) become highlights */
	/* Maybe one of the bits inverts the SHAD line while the other darkens the background. */
	if (data & 0x08)
		palette_set_shadow_factor(space->machine(), 1 / PALETTE_DEFAULT_SHADOW_FACTOR);
	else
		palette_set_shadow_factor(space->machine(), PALETTE_DEFAULT_SHADOW_FACTOR);

	if ((data & 0x80) != state->m_last_vreg)
	{
		double brt = (data & 0x80) ? PALETTE_DEFAULT_SHADOW_FACTOR : 1.0;
		int i;

		state->m_last_vreg = data & 0x80;

		/* only affect the background */
		for (i = 512; i < 1024; i++)
			palette_set_pen_contrast(space->machine(), i, brt);
	}

//if ((data & 0xf8) && (data & 0xf8) != 0x88)
//  popmessage("chqflag_vreg_w %02x",data);


	/* other bits unknown. bit 5 is used. */
}

static WRITE8_HANDLER( select_analog_ctrl_w )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();
	state->m_analog_ctrl = data;
}

static READ8_HANDLER( analog_read_r )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();
	switch (state->m_analog_ctrl & 0x03)
	{
		case 0x00: return (state->m_accel = input_port_read(space->machine(), "IN3"));	/* accelerator */
		case 0x01: return (state->m_wheel = input_port_read(space->machine(), "IN4"));	/* steering */
		case 0x02: return state->m_accel;						/* accelerator (previous?) */
		case 0x03: return state->m_wheel;						/* steering (previous?) */
	}

	return 0xff;
}

static WRITE8_HANDLER( chqflag_sh_irqtrigger_w )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();
	soundlatch2_w(space, 0, data);
	device_set_input_line(state->m_audiocpu, 0, HOLD_LINE);
}


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

static ADDRESS_MAP_START( chqflag_map, AS_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_RAM												/* RAM */
	AM_RANGE(0x1000, 0x17ff) AM_RAMBANK("bank1")								/* banked RAM (RAM/051316 (chip 1)) */
	AM_RANGE(0x1800, 0x1fff) AM_RAMBANK("bank2")								/* palette + RAM */
	AM_RANGE(0x2000, 0x2007) AM_DEVREADWRITE("k051960", k051937_r, k051937_w)					/* Sprite control registers */
	AM_RANGE(0x2400, 0x27ff) AM_DEVREADWRITE("k051960", k051960_r, k051960_w)					/* Sprite RAM */
	AM_RANGE(0x2800, 0x2fff) AM_READ_BANK("bank3") AM_DEVWRITE("k051316_2", k051316_w)		/* 051316 zoom/rotation (chip 2) */
	AM_RANGE(0x3000, 0x3000) AM_WRITE(soundlatch_w)								/* sound code # */
	AM_RANGE(0x3001, 0x3001) AM_WRITE(chqflag_sh_irqtrigger_w)					/* cause interrupt on audio CPU */
	AM_RANGE(0x3002, 0x3002) AM_WRITE(chqflag_bankswitch_w)						/* bankswitch control */
	AM_RANGE(0x3003, 0x3003) AM_WRITE(chqflag_vreg_w)							/* enable K051316 ROM reading */
	AM_RANGE(0x3100, 0x3100) AM_READ_PORT("DSW1")								/* DIPSW #1  */
	AM_RANGE(0x3200, 0x3200) AM_READ_PORT("IN1")								/* COINSW, STARTSW, test mode */
	AM_RANGE(0x3201, 0x3201) AM_READ_PORT("IN0")								/* DIPSW #3, SW 4 */
	AM_RANGE(0x3203, 0x3203) AM_READ_PORT("DSW2")								/* DIPSW #2 */
	AM_RANGE(0x3300, 0x3300) AM_WRITE(watchdog_reset_w)							/* watchdog timer */
	AM_RANGE(0x3400, 0x341f) AM_DEVREADWRITE("k051733", k051733_r, k051733_w)					/* 051733 (protection) */
	AM_RANGE(0x3500, 0x350f) AM_DEVWRITE("k051316_1", k051316_ctrl_w)							/* 051316 control registers (chip 1) */
	AM_RANGE(0x3600, 0x360f) AM_DEVWRITE("k051316_2", k051316_ctrl_w)							/* 051316 control registers (chip 2) */
	AM_RANGE(0x3700, 0x3700) AM_WRITE(select_analog_ctrl_w)						/* select accelerator/wheel */
	AM_RANGE(0x3701, 0x3701) AM_READ_PORT("IN2")								/* Brake + Shift + ? */
	AM_RANGE(0x3702, 0x3702) AM_READWRITE(analog_read_r, select_analog_ctrl_w)	/* accelerator/wheel */
	AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank4")										/* banked ROM */
	AM_RANGE(0x8000, 0xffff) AM_ROM												/* ROM */
ADDRESS_MAP_END

static WRITE8_HANDLER( k007232_bankswitch_w )
{
	chqflag_state *state = space->machine().driver_data<chqflag_state>();
	int bank_A, bank_B;

	/* banks # for the 007232 (chip 1) */
	bank_A = ((data >> 4) & 0x03);
	bank_B = ((data >> 6) & 0x03);
	k007232_set_bank(state->m_k007232_1, bank_A, bank_B);

	/* banks # for the 007232 (chip 2) */
	bank_A = ((data >> 0) & 0x03);
	bank_B = ((data >> 2) & 0x03);
	k007232_set_bank(state->m_k007232_2, bank_A, bank_B);
}

static ADDRESS_MAP_START( chqflag_sound_map, AS_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_ROM /* ROM */
	AM_RANGE(0x8000, 0x87ff) AM_RAM /* RAM */
	AM_RANGE(0x9000, 0x9000) AM_WRITE(k007232_bankswitch_w)	/* 007232 bankswitch */
	AM_RANGE(0xa000, 0xa00d) AM_DEVREADWRITE("k007232_1", k007232_r, k007232_w)	/* 007232 (chip 1) */
	AM_RANGE(0xa01c, 0xa01c) AM_DEVWRITE("k007232_2", k007232_extvolume_w)	/* extra volume, goes to the 007232 w/ A11 */
	AM_RANGE(0xb000, 0xb00d) AM_DEVREADWRITE("k007232_2", k007232_r, k007232_w)	/* 007232 (chip 2) */
	AM_RANGE(0xc000, 0xc001) AM_DEVREADWRITE("ymsnd", ym2151_r, ym2151_w)	/* YM2151 */
	AM_RANGE(0xd000, 0xd000) AM_READ(soundlatch_r)			/* soundlatch_r */
	AM_RANGE(0xe000, 0xe000) AM_READ(soundlatch2_r)         /* engine sound volume */
	AM_RANGE(0xf000, 0xf000) AM_WRITENOP					/* ??? */
ADDRESS_MAP_END


static INPUT_PORTS_START( chqflag )
	PORT_START("DSW1")
	KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), "Invalid", SW1)
	/* Invalid = both coin slots disabled */

	PORT_START("DSW2")
	PORT_DIPUNUSED_DIPLOC( 0x01, IP_ACTIVE_LOW, "SW2:1" )	/* Manual says it's not used */
	PORT_DIPUNUSED_DIPLOC( 0x02, IP_ACTIVE_LOW, "SW2:2" )	/* Manual says it's not used */
	PORT_DIPUNUSED_DIPLOC( 0x04, IP_ACTIVE_LOW, "SW2:3" )	/* Manual says it's not used */
	PORT_DIPUNUSED_DIPLOC( 0x08, IP_ACTIVE_LOW, "SW2:4" )	/* Manual says it's not used */
	PORT_DIPUNUSED_DIPLOC( 0x10, IP_ACTIVE_LOW, "SW2:5" )	/* Manual says it's not used */
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:6,7")
	PORT_DIPSETTING(	0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(	0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(	0x20, DEF_STR( Difficult ) )
	PORT_DIPSETTING(	0x00, DEF_STR( Very_Difficult ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(	0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(	0x00, DEF_STR( On ) )

	PORT_START("IN0")
	PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_DIPUNUSED_DIPLOC( 0x80, IP_ACTIVE_LOW, "SW3:4" )	/* Manual says it's not used */

	PORT_START("IN1")
	/* COINSW + STARTSW */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	/* DIPSW #3 */
	PORT_DIPUNUSED_DIPLOC( 0x20, IP_ACTIVE_LOW, "SW3:1" )	/* Manual says it's not used */
	PORT_DIPNAME( 0x40, 0x40, "Title" ) PORT_DIPLOCATION("SW3:2")
	PORT_DIPSETTING(	0x40, "Chequered Flag" )
	PORT_DIPSETTING(	0x00, "Checkered Flag" )
	PORT_SERVICE_DIPLOC( 0x80, IP_ACTIVE_LOW, "SW3:3" )

	PORT_START("IN2")	/* Brake, Shift + ??? */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_TOGGLE
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x0c, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* if this is set, it goes directly to test mode */
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )	/* if bit 7 == 0, the game resets */

	PORT_START("IN3")	/* Accelerator */
	PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(50) PORT_KEYDELTA(5)

	PORT_START("IN4")	/* Driving wheel */
	PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x10,0xef) PORT_SENSITIVITY(80) PORT_KEYDELTA(8)
INPUT_PORTS_END

static INPUT_PORTS_START( chqflagj )
	PORT_INCLUDE( chqflag )

	PORT_MODIFY("DSW1")
	KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), " 1 Coin/1 Credit", SW1)
	// Manual says 1-5, 1-6, 1-7 and 1-8 are not used, but they work

	PORT_MODIFY("IN1")
	PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "SW3:2" )	/* Manual says it's not used */
INPUT_PORTS_END



static void chqflag_ym2151_irq_w( device_t *device, int data )
{
	chqflag_state *state = device->machine().driver_data<chqflag_state>();
	device_set_input_line(state->m_audiocpu, INPUT_LINE_NMI, data ? ASSERT_LINE : CLEAR_LINE);
}


static const ym2151_interface ym2151_config =
{
	chqflag_ym2151_irq_w
};

static void volume_callback0( device_t *device, int v )
{
	k007232_set_volume(device, 0, (v & 0x0f) * 0x11, 0);
	k007232_set_volume(device, 1, 0, (v >> 4) * 0x11);
}

static WRITE8_DEVICE_HANDLER( k007232_extvolume_w )
{
	k007232_set_volume(device, 1, (data & 0x0f) * 0x11/2, (data >> 4) * 0x11/2);
}

static void volume_callback1( device_t *device, int v )
{
	k007232_set_volume(device, 0, (v & 0x0f) * 0x11/2, (v >> 4) * 0x11/2);
}

static const k007232_interface k007232_interface_1 =
{
	volume_callback0
};

static const k007232_interface k007232_interface_2 =
{
	volume_callback1
};

static const k051960_interface chqflag_k051960_intf =
{
	"gfx1", 0,
	NORMAL_PLANE_ORDER,
	KONAMI_ROM_DEINTERLEAVE_2,
	chqflag_sprite_callback
};

static const k051316_interface chqflag_k051316_intf_1 =
{
	"gfx2", 1,
	4, FALSE, 0,
	0, 7, 0,
	chqflag_zoom_callback_0
};

static const k051316_interface chqflag_k051316_intf_2 =
{
	"gfx3", 2,
	8, TRUE, 0xc0,
	1, 0, 0,
	chqflag_zoom_callback_1
};

static MACHINE_START( chqflag )
{
	chqflag_state *state = machine.driver_data<chqflag_state>();
	UINT8 *ROM = machine.region("maincpu")->base();

	memory_configure_bank(machine, "bank1", 0, 4, &ROM[0x10000], 0x2000);

	state->m_maincpu = machine.device("maincpu");
	state->m_audiocpu = machine.device("audiocpu");
	state->m_k051316_1 = machine.device("k051316_1");
	state->m_k051316_2 = machine.device("k051316_2");
	state->m_k051960 = machine.device("k051960");
	state->m_k007232_1 = machine.device("k007232_1");
	state->m_k007232_2 = machine.device("k007232_2");

	state->save_item(NAME(state->m_k051316_readroms));
	state->save_item(NAME(state->m_last_vreg));
	state->save_item(NAME(state->m_analog_ctrl));
	state->save_item(NAME(state->m_accel));
	state->save_item(NAME(state->m_wheel));
}

static MACHINE_RESET( chqflag )
{
	chqflag_state *state = machine.driver_data<chqflag_state>();

	state->m_k051316_readroms = 0;
	state->m_last_vreg = 0;
	state->m_analog_ctrl = 0;
	state->m_accel = 0;
	state->m_wheel = 0;
}

static MACHINE_CONFIG_START( chqflag, chqflag_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", KONAMI,XTAL_24MHz/8)	/* 052001 (verified on pcb) */
	MCFG_CPU_PROGRAM_MAP(chqflag_map)
	MCFG_TIMER_ADD_SCANLINE("scantimer", chqflag_scanline, "screen", 0, 1)

	MCFG_CPU_ADD("audiocpu", Z80, XTAL_3_579545MHz) /* verified on pcb */
	MCFG_CPU_PROGRAM_MAP(chqflag_sound_map)

	MCFG_QUANTUM_TIME(attotime::from_hz(600))

	MCFG_MACHINE_START(chqflag)
	MCFG_MACHINE_RESET(chqflag)

	/* video hardware */
	MCFG_VIDEO_ATTRIBUTES(VIDEO_HAS_SHADOWS)

	//TODO: Vsync 59.17hz Hsync 15.13 / 15.19khz
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(64*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(12*8, (64-14)*8-1, 2*8, 30*8-1 )
	MCFG_SCREEN_UPDATE_STATIC(chqflag)

	MCFG_PALETTE_LENGTH(1024)

	MCFG_VIDEO_START(chqflag)

	MCFG_K051960_ADD("k051960", chqflag_k051960_intf)
	MCFG_K051316_ADD("k051316_1", chqflag_k051316_intf_1)
	MCFG_K051316_ADD("k051316_2", chqflag_k051316_intf_2)
	MCFG_K051733_ADD("k051733")

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

	MCFG_SOUND_ADD("ymsnd", YM2151, XTAL_3_579545MHz) /* verified on pcb */
	MCFG_SOUND_CONFIG(ym2151_config)
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.80)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.80)

	MCFG_SOUND_ADD("k007232_1", K007232, XTAL_3_579545MHz) /* verified on pcb */
	MCFG_SOUND_CONFIG(k007232_interface_1)
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.20)
	MCFG_SOUND_ROUTE(0, "rspeaker", 0.20)
	MCFG_SOUND_ROUTE(1, "lspeaker", 0.20)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.20)

	MCFG_SOUND_ADD("k007232_2", K007232, XTAL_3_579545MHz) /* verified on pcb */
	MCFG_SOUND_CONFIG(k007232_interface_2)
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.20)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.20)
MACHINE_CONFIG_END

ROM_START( chqflag )
	ROM_REGION( 0x58000, "maincpu", 0 )	/* 052001 code */
	ROM_LOAD( "717h02",		0x050000, 0x008000, CRC(f5bd4e78) SHA1(7bab02152d055a6c3a322c88e7ee0b85a39d8ef2) )	/* banked ROM */
	ROM_CONTINUE(			0x008000, 0x008000 )				/* fixed ROM */
	ROM_LOAD( "717e10",		0x010000, 0x040000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) )	/* banked ROM */
	/* extra memory for banked RAM */

	ROM_REGION( 0x10000, "audiocpu", 0 )	/* 64k for the SOUND CPU */
	ROM_LOAD( "717e01",		0x000000, 0x008000, CRC(966b8ba8) SHA1(ab7448cb61fa5922b1d8ae5f0d0f42d734ed4f93) )

	ROM_REGION( 0x100000, "gfx1", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e04",		0x000000, 0x080000, CRC(1a50a1cc) SHA1(bc16fab84c637ed124e37b115ddc0149560b727d) )	/* sprites */
	ROM_LOAD( "717e05",		0x080000, 0x080000, CRC(46ccb506) SHA1(3ed1f54744fc5cdc0f48e42f250c366267a8199a) )	/* sprites */

	ROM_REGION( 0x020000, "gfx2", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e06",		0x000000, 0x020000, CRC(1ec26c7a) SHA1(05b5b522c5ebf5d0a71a7fc39ec9382008ef33c8) )	/* zoom/rotate (N16) */

	ROM_REGION( 0x100000, "gfx3", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e07",		0x000000, 0x040000, CRC(b9a565a8) SHA1(a11782f7336e5ad58a4c6ea81f2eeac35d5e7d0a) )	/* zoom/rotate (L20) */
	ROM_LOAD( "717e08",		0x040000, 0x040000, CRC(b68a212e) SHA1(b2bd121a43552c3ade528ac763a0df40c3e648e0) )	/* zoom/rotate (L22) */
	ROM_LOAD( "717e11",		0x080000, 0x040000, CRC(ebb171ec) SHA1(d65d4a6b169ce03e4427b2a397484634f938236b) )	/* zoom/rotate (N20) */
	ROM_LOAD( "717e12",		0x0c0000, 0x040000, CRC(9269335d) SHA1(af298c8cff50d707d6abc806065f8e931f975dc0) )	/* zoom/rotate (N22) */

	ROM_REGION( 0x080000, "k007232_1", 0 )	/* 007232 data (chip 1) */
	ROM_LOAD( "717e03",		0x000000, 0x080000, CRC(ebe73c22) SHA1(fad3334e5e91bf8d11b74ffdbbfd57567e6f6f8c) )

	ROM_REGION( 0x080000, "k007232_2", 0 )	/* 007232 data (chip 2) */
	ROM_LOAD( "717e09",		0x000000, 0x080000, CRC(d74e857d) SHA1(00c851c857650d67fc4caccea4461d99be4acb3c) )
ROM_END

ROM_START( chqflagj )
	ROM_REGION( 0x58000, "maincpu", 0 )	/* 052001 code */
	ROM_LOAD( "717j02.bin",	0x050000, 0x008000, CRC(05355daa) SHA1(130ddbc289c077565e44f33c63a63963e6417e19) )	/* banked ROM */
	ROM_CONTINUE(			0x008000, 0x008000 )				/* fixed ROM */
	ROM_LOAD( "717e10",		0x010000, 0x040000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) )	/* banked ROM */
	/* extra memory for banked RAM */

	ROM_REGION( 0x10000, "audiocpu", 0 )	/* 64k for the SOUND CPU */
	ROM_LOAD( "717e01",		0x000000, 0x008000, CRC(966b8ba8) SHA1(ab7448cb61fa5922b1d8ae5f0d0f42d734ed4f93) )

	ROM_REGION( 0x100000, "gfx1", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e04",		0x000000, 0x080000, CRC(1a50a1cc) SHA1(bc16fab84c637ed124e37b115ddc0149560b727d) )	/* sprites */
	ROM_LOAD( "717e05",		0x080000, 0x080000, CRC(46ccb506) SHA1(3ed1f54744fc5cdc0f48e42f250c366267a8199a) )	/* sprites */

	ROM_REGION( 0x020000, "gfx2", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e06",		0x000000, 0x020000, CRC(1ec26c7a) SHA1(05b5b522c5ebf5d0a71a7fc39ec9382008ef33c8) )	/* zoom/rotate (N16) */

	ROM_REGION( 0x100000, "gfx3", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "717e07",		0x000000, 0x040000, CRC(b9a565a8) SHA1(a11782f7336e5ad58a4c6ea81f2eeac35d5e7d0a) )	/* zoom/rotate (L20) */
	ROM_LOAD( "717e08",		0x040000, 0x040000, CRC(b68a212e) SHA1(b2bd121a43552c3ade528ac763a0df40c3e648e0) )	/* zoom/rotate (L22) */
	ROM_LOAD( "717e11",		0x080000, 0x040000, CRC(ebb171ec) SHA1(d65d4a6b169ce03e4427b2a397484634f938236b) )	/* zoom/rotate (N20) */
	ROM_LOAD( "717e12",		0x0c0000, 0x040000, CRC(9269335d) SHA1(af298c8cff50d707d6abc806065f8e931f975dc0) )	/* zoom/rotate (N22) */

	ROM_REGION( 0x080000, "k007232_1", 0 )	/* 007232 data (chip 1) */
	ROM_LOAD( "717e03",		0x000000, 0x080000, CRC(ebe73c22) SHA1(fad3334e5e91bf8d11b74ffdbbfd57567e6f6f8c) )

	ROM_REGION( 0x080000, "k007232_2", 0 )	/* 007232 data (chip 2) */
	ROM_LOAD( "717e09",		0x000000, 0x080000, CRC(d74e857d) SHA1(00c851c857650d67fc4caccea4461d99be4acb3c) )
ROM_END


//     YEAR, NAME,     PARENT,  MACHINE, INPUT,    INIT,MONITOR,COMPANY,FULLNAME,FLAGS
GAMEL( 1988, chqflag,  0,       chqflag, chqflag,  0,   ROT90,  "Konami", "Chequered Flag", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_chqflag )
GAMEL( 1988, chqflagj, chqflag, chqflag, chqflagj, 0,   ROT90,  "Konami", "Chequered Flag (Japan)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_chqflag )
