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

Exciting Soccer    - (c) 1983 Alpha Denshi Co.
Exciting Soccer II - (c) 1984 Alpha Denshi Co.

Supported sets:
Exciting Soccer - Alpha Denshi
Exciting Soccer (bootleg) - Kazutomi
Exciting Soccer II - Alpha Denshi


Preliminary driver by:
Ernesto Corvi
ernesto@imagina.com

Jarek Parchanski
jpdev@friko6.onet.pl
ALPHA 8301 MCU handling by Tatsuyuki satoh

NOTES:
The game supports Coin 2, but the dip switches used for it are the same
as Coin 1. Basically, this allowed to select an alternative coin table
based on wich Coin input was connected.

The Kazutomi bootleg board is a conversion from Champion Baseball:
Alpha denshi co. LTD made in Japan
cpu board 58AS1
Display board 58AS2
Voice board 58AS3
KAZUTOMI board
1x Alpha8201 (CPU board)
1x AY-3-8910 (CPU board)
1x Sharp Z80ACPU (CPU board)
1x Sharp Z80ACPU (VOICE board)
3x 2764 (CPU board) (1-2-3)
3x 2764 (VOICE board) (a-b-c)
2x 2764 (DISPLAY board) (4-5)
1x 2764 (daughter board kazutomi) (6)
2x 2732 (daughter board kazutomi) (7-8)

TODO:
- interrupt source for sound CPU is unknown.

- sound CPU writes to unknown ports on startup. Timer configure?

- unknown writes to 8910 I/O ports (filters?)

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

#include "driver.h"
#include "deprecat.h"
#include "sound/ay8910.h"
#include "sound/dac.h"

/* from video */
extern WRITE8_HANDLER( exctsccr_videoram_w );
extern WRITE8_HANDLER( exctsccr_colorram_w );
extern WRITE8_HANDLER( exctsccr_gfx_bank_w );
extern WRITE8_HANDLER( exctsccr_flipscreen_w );

extern PALETTE_INIT( exctsccr );
extern VIDEO_START( exctsccr );
extern VIDEO_UPDATE( exctsccr );


static TIMER_CALLBACK( exctsccr_fm_callback )
{
	cpunum_set_input_line_and_vector(machine, 1, 0, HOLD_LINE, 0xff );
}

static MACHINE_START( exctsccr )
{
	// FIXME
	timer_pulse(ATTOTIME_IN_HZ(75), NULL, 0, exctsccr_fm_callback); /* updates fm */
}


static WRITE8_HANDLER( exctsccr_DAC_data_w )
{
	DAC_signed_data_w(offset,data << 2);
}


static WRITE8_HANDLER( exctsccr_mcu_halt_w )
{
	cpunum_set_input_line(Machine, 2, INPUT_LINE_HALT, (data & 1) ? ASSERT_LINE : CLEAR_LINE);
}

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

    Memory definition(s)

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

static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x5fff) AM_ROM
	AM_RANGE(0x6000, 0x63ff) AM_RAM AM_SHARE(1)
	AM_RANGE(0x7c00, 0x7fff) AM_RAM
	AM_RANGE(0x8000, 0x83ff) AM_RAM AM_WRITE(exctsccr_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x8400, 0x87ff) AM_RAM AM_WRITE(exctsccr_colorram_w) AM_BASE(&colorram)
	AM_RANGE(0x8800, 0x8bff) AM_RAM AM_BASE(&spriteram_2) /* ??? */
	AM_RANGE(0xa000, 0xa000) AM_READ(input_port_0_r)
	AM_RANGE(0xa000, 0xa000) AM_WRITENOP	/* ??? toggled twice at end of irq handler */
//	AM_RANGE(0xa001, 0xa001) AM_WRITENOP	/* ??? */
	AM_RANGE(0xa002, 0xa002) AM_WRITE(exctsccr_gfx_bank_w)
	AM_RANGE(0xa003, 0xa003) AM_WRITE(exctsccr_flipscreen_w)
	AM_RANGE(0xa006, 0xa006) AM_WRITE(exctsccr_mcu_halt_w)
	AM_RANGE(0xa007, 0xa007) AM_WRITENOP /* This is also MCU control, but i dont need it */
	AM_RANGE(0xa040, 0xa06f) AM_WRITE(SMH_RAM) AM_BASE(&spriteram) /* Sprite pos */
	AM_RANGE(0xa080, 0xa080) AM_WRITE(soundlatch_w)
	AM_RANGE(0xa0c0, 0xa0c0) AM_WRITE(watchdog_reset_w)

	AM_RANGE(0xa040, 0xa040) AM_READ(input_port_1_r)
	AM_RANGE(0xa080, 0xa080) AM_READ(input_port_2_r)	// FIXME use champbas_dsw_r
	AM_RANGE(0xa0c0, 0xa0c0) AM_READ(input_port_3_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sub_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x8fff) AM_ROM
	AM_RANGE(0xa000, 0xa7ff) AM_RAM
	AM_RANGE(0xc008, 0xc009) AM_WRITE(exctsccr_DAC_data_w)
	AM_RANGE(0xc00c, 0xc00c) AM_WRITE(soundlatch_clear_w)
	AM_RANGE(0xc00d, 0xc00d) AM_READ(soundlatch_r)
//	AM_RANGE(0xc00f, 0xc00f) AM_WRITE(MWA8_NOP) /* ??? */
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_writeport, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK( 0x00ff )
	AM_RANGE(0x82, 0x82) AM_WRITE(AY8910_write_port_0_w)
	AM_RANGE(0x83, 0x83) AM_WRITE(AY8910_control_port_0_w)
	AM_RANGE(0x86, 0x86) AM_WRITE(AY8910_write_port_1_w)
	AM_RANGE(0x87, 0x87) AM_WRITE(AY8910_control_port_1_w)
	AM_RANGE(0x8a, 0x8a) AM_WRITE(AY8910_write_port_2_w)
	AM_RANGE(0x8b, 0x8b) AM_WRITE(AY8910_control_port_2_w)
	AM_RANGE(0x8e, 0x8e) AM_WRITE(AY8910_write_port_3_w)
	AM_RANGE(0x8f, 0x8f) AM_WRITE(AY8910_control_port_3_w)
ADDRESS_MAP_END

static ADDRESS_MAP_START( mcu_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x03ff) AM_RAM AM_SHARE(1) /* main CPU shared RAM */
ADDRESS_MAP_END


/* Bootleg */
static ADDRESS_MAP_START( bl_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x5fff) AM_ROM
	AM_RANGE(0x7000, 0x7000) AM_WRITE(AY8910_write_port_0_w)
	AM_RANGE(0x7001, 0x7001) AM_WRITE(AY8910_control_port_0_w)

	AM_RANGE(0x8000, 0x83ff) AM_RAM AM_WRITE(exctsccr_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x8400, 0x87ff) AM_RAM AM_WRITE(exctsccr_colorram_w) AM_BASE(&colorram)
	AM_RANGE(0x8800, 0x8fff) AM_RAM AM_BASE(&spriteram_2) /* ??? */

	AM_RANGE(0xa000, 0xa000) AM_WRITENOP	/* ??? */
	AM_RANGE(0xa001, 0xa001) AM_WRITENOP	/* ??? */
	AM_RANGE(0xa002, 0xa002) AM_WRITE(exctsccr_gfx_bank_w)
	AM_RANGE(0xa003, 0xa003) AM_WRITE(exctsccr_flipscreen_w)
	AM_RANGE(0xa006, 0xa006) AM_WRITENOP	/* MCU is not used, but some leftover code still writes here */
	AM_RANGE(0xa007, 0xa007) AM_WRITENOP	/* MCU is not used, but some leftover code still writes here */

	AM_RANGE(0xa040, 0xa06f) AM_WRITE(SMH_RAM) AM_BASE(&spriteram) /* Sprite Pos */
	AM_RANGE(0xa080, 0xa080) AM_WRITE(soundlatch_w)
	AM_RANGE(0xa0c0, 0xa0c0) AM_WRITE(watchdog_reset_w)

	AM_RANGE(0xa000, 0xa000) AM_READ(input_port_0_r)
	AM_RANGE(0xa040, 0xa040) AM_READ(input_port_1_r)
	AM_RANGE(0xa080, 0xa080) AM_READ(input_port_2_r)	// FIXME use champbas_dsw_r
	AM_RANGE(0xa0c0, 0xa0c0) AM_READ(input_port_3_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( bl_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x5fff) AM_ROM
	AM_RANGE(0x6000, 0x6000) AM_READ(soundlatch_r)
//	AM_RANGE(0x8000, 0x8000) AM_WRITENOP	/* 0 = DAC sound off, 1 = DAC sound on */
	AM_RANGE(0xa000, 0xa000) AM_WRITE(soundlatch_clear_w)
	AM_RANGE(0xc000, 0xc000) AM_WRITE(exctsccr_DAC_data_w)
	AM_RANGE(0xe000, 0xe3ff) AM_RAM
ADDRESS_MAP_END

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

    Input port(s)

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

static INPUT_PORTS_START( exctsccr )
	PORT_START      /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY

	PORT_START      /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL

	PORT_START      /* DSW0 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, "A 1C/1C B 3C/1C" )
	PORT_DIPSETTING(    0x01, "A 1C/2C B 1C/4C" )
	PORT_DIPSETTING(    0x00, "A 1C/3C B 1C/6C" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hard ) )
	PORT_DIPNAME( 0x60, 0x00, DEF_STR( Game_Time ) )
	PORT_DIPSETTING(    0x20, "1 Min." )
	PORT_DIPSETTING(    0x00, "2 Min." )
	PORT_DIPSETTING(    0x60, "3 Min." )
	PORT_DIPSETTING(    0x40, "4 Min." )
	PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_SPECIAL )	// bit 2 of the watchdog counter

	PORT_START      /* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

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

    Graphic(s) decoding

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

static const gfx_layout charlayout_3bpp =
{
	8,8,
	RGN_FRAC(1,2),
	3,
	{ RGN_FRAC(1,2)+4, 0, 4 },
	{ STEP4(8*8,1), STEP4(0,1) },
	{ STEP8(0,8) },
	16*8
};

static const gfx_layout spritelayout_3bpp =
{
	16,16,
	RGN_FRAC(1,2),
	3,
	{ RGN_FRAC(1,2)+4, 0, 4 },
	{ STEP4(8*8,1), STEP4(16*8,1), STEP4(24*8,1), STEP4(0,1) },
	{ STEP8(0,8), STEP8(32*8,8) },
	64*8
};

static const gfx_layout spritelayout_4bpp =
{
	16,16,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+0, RGN_FRAC(1,2)+4, 0, 4 },
	{ STEP4(8*8,1), STEP4(16*8,1), STEP4(24*8,1), STEP4(0,1) },
	{ STEP8(0,8), STEP8(32*8,8) },
	64*8
};

static GFXDECODE_START( exctsccr )
	GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout_3bpp,   0x000, 0x080/8 ) /* chars */
	GFXDECODE_ENTRY( REGION_GFX2, 0, spritelayout_3bpp, 0x080, 0x080/8 ) /* sprites */
	GFXDECODE_ENTRY( REGION_GFX3, 0, spritelayout_4bpp, 0x100, 0x100/16 ) /* sprites */
GFXDECODE_END


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

    Machine driver(s)

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

static MACHINE_DRIVER_START( exctsccr )

	/* basic machine hardware */
	MDRV_CPU_ADD(Z80, 4000000)	/* 4.0 MHz (?) */
	MDRV_CPU_PROGRAM_MAP(main_map,0)
	MDRV_CPU_VBLANK_INT("main", irq0_line_hold)

	MDRV_CPU_ADD(Z80, 4123456)	/* ??? with 4 MHz, nested NMIs might happen */
	MDRV_CPU_PROGRAM_MAP(sub_map,0)
	MDRV_CPU_IO_MAP(0,sound_writeport)
	MDRV_CPU_PERIODIC_INT(nmi_line_pulse, 4000) /* 4 kHz, updates the dac */

	/* MCU */
	MDRV_CPU_ADD(ALPHA8301, 4000000/8)
	MDRV_CPU_PROGRAM_MAP(mcu_map,0)

	MDRV_MACHINE_START(exctsccr)

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)

	MDRV_GFXDECODE(exctsccr)
	MDRV_PALETTE_LENGTH(0x200)

	MDRV_PALETTE_INIT(exctsccr)
	MDRV_VIDEO_START(exctsccr)
	MDRV_VIDEO_UPDATE(exctsccr)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.08)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.08)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.08)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.08)

	MDRV_SOUND_ADD(DAC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(DAC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_DRIVER_END

/* Bootleg on a modified Championship Baseball board */
static MACHINE_DRIVER_START( exctsccb )

	/* basic machine hardware */
	MDRV_CPU_ADD(Z80, XTAL_18_432MHz/6)
	MDRV_CPU_PROGRAM_MAP(bl_map,0)
	MDRV_CPU_VBLANK_INT("main", irq0_line_hold)

	MDRV_CPU_ADD(Z80, XTAL_18_432MHz/6)
	MDRV_CPU_PROGRAM_MAP(bl_sound_map,0)

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)

	MDRV_GFXDECODE(exctsccr)
	MDRV_PALETTE_LENGTH(0x200)

	MDRV_PALETTE_INIT(exctsccr)
	MDRV_VIDEO_START(exctsccr)
	MDRV_VIDEO_UPDATE(exctsccr)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, XTAL_18_432MHz/12)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15)

	MDRV_SOUND_ADD(DAC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_DRIVER_END

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

  Game driver(s)

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

ROM_START( exctsccr )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "1_g10.bin",    0x0000, 0x2000, CRC(aa68df66) SHA1(f10cac5a4c5aad1e1eb8835174dc8d517bb2921a) )
	ROM_LOAD( "2_h10.bin",    0x2000, 0x2000, CRC(2d8f8326) SHA1(8809e7b081fa2a1966cb51ac969fd7b468d35be0) )
	ROM_LOAD( "3_j10.bin",    0x4000, 0x2000, CRC(dce4a04d) SHA1(9c015e4597ec8921bea213d9841fc69c776a4e6d) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )
	ROM_LOAD( "0_h6.bin",     0x0000, 0x2000, CRC(3babbd6b) SHA1(b81bd47c4449f4f21f2d55d01eb9cb6db10664c7) )
	ROM_LOAD( "9_f6.bin",     0x2000, 0x2000, CRC(639998f5) SHA1(c4ff5e5e75d53dea38449f323186d08d5b57bf90) )
	ROM_LOAD( "8_d6.bin",     0x4000, 0x2000, CRC(88651ee1) SHA1(2052e1b3f9784439369f464e31f4a2b0d1bb0565) )
	ROM_LOAD( "7_c6.bin",     0x6000, 0x2000, CRC(6d51521e) SHA1(2809bd2e61f40dcd31d43c62520982bdcfb0a865) )
	ROM_LOAD( "1_a6.bin",     0x8000, 0x1000, CRC(20f2207e) SHA1(b1ed2237d0bd50ddbe593fd2fbff9f1d67c1eb11) )

	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only chars
	ROM_LOAD( "4_a5.bin",     0x0000, 0x2000, CRC(c342229b) SHA1(a989d6c12521c77882a7e17d4d80afe7eae05906) ) /* planes 0,1 */
	ROM_LOAD( "6_c5.bin",     0x2000, 0x2000, CRC(eda40e32) SHA1(6c08fd4f4fb35fd354d02e04548e960c545f6a88) ) /* plane 3 */

	ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only sprites
	ROM_LOAD( "5_b5.bin",     0x0000, 0x2000, CRC(35f4f8c9) SHA1(cdf5bbfea9abdd338938e5f4499d2d71ce3c6237) ) /* planes 0,1 */

	ROM_REGION( 0x02000, REGION_GFX3, ROMREGION_DISPOSE )	// 4bpp sprites
	ROM_LOAD( "2_k5.bin",     0x0000, 0x1000, CRC(7f9cace2) SHA1(bf05a31716f3ca1c2fd1034cd1f39e2d21cdaed3) )
	ROM_LOAD( "3_l5.bin",     0x1000, 0x1000, CRC(db2d9e0d) SHA1(6ec09a47f7aea6bf31eb0ee78f44012f4d92de8a) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "prom1.e1",     0x0000, 0x0020, CRC(d9b10bf0) SHA1(bc1263331968f4bf37eb70ec4f56a8cb763c29d2) ) /* palette */
	ROM_LOAD( "prom2.8r",     0x0020, 0x0100, CRC(8a9c0edf) SHA1(8aad387e9409cff0eeb42eeb57e9ea88770a8c9a) ) /* lookup table */
	ROM_LOAD( "prom3.k5",     0x0120, 0x0100, CRC(b5db1c2c) SHA1(900aaaac6b674a9c5c7b7804a4b0c3d5cce761aa) ) /* lookup table */
ROM_END

ROM_START( exctscca )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "1_g10.bin",    0x0000, 0x2000, CRC(aa68df66) SHA1(f10cac5a4c5aad1e1eb8835174dc8d517bb2921a) )
	ROM_LOAD( "2_h10.bin",    0x2000, 0x2000, CRC(2d8f8326) SHA1(8809e7b081fa2a1966cb51ac969fd7b468d35be0) )
	ROM_LOAD( "3_j10.bin",    0x4000, 0x2000, CRC(dce4a04d) SHA1(9c015e4597ec8921bea213d9841fc69c776a4e6d) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )
	ROM_LOAD( "exctsccc.000", 0x0000, 0x2000, CRC(642fc42f) SHA1(cfc849d18e347e3e23fc31c1ce7f2580d5d9b2b0) )
	ROM_LOAD( "exctsccc.009", 0x2000, 0x2000, CRC(d88b3236) SHA1(80f083fb15243e9e68978677caed8aee8e3109a0) )
	ROM_LOAD( "8_d6.bin",     0x4000, 0x2000, CRC(88651ee1) SHA1(2052e1b3f9784439369f464e31f4a2b0d1bb0565) )
	ROM_LOAD( "7_c6.bin",     0x6000, 0x2000, CRC(6d51521e) SHA1(2809bd2e61f40dcd31d43c62520982bdcfb0a865) )
	ROM_LOAD( "1_a6.bin",     0x8000, 0x1000, CRC(20f2207e) SHA1(b1ed2237d0bd50ddbe593fd2fbff9f1d67c1eb11) )

	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only chars
	ROM_LOAD( "4_a5.bin",     0x0000, 0x2000, CRC(c342229b) SHA1(a989d6c12521c77882a7e17d4d80afe7eae05906) ) /* planes 0,1 */
	ROM_LOAD( "6_c5.bin",     0x2000, 0x2000, CRC(eda40e32) SHA1(6c08fd4f4fb35fd354d02e04548e960c545f6a88) ) /* plane 3 */

	ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only sprites
	ROM_LOAD( "5_b5.bin",     0x0000, 0x2000, CRC(35f4f8c9) SHA1(cdf5bbfea9abdd338938e5f4499d2d71ce3c6237) ) /* planes 0,1 */

	ROM_REGION( 0x02000, REGION_GFX3, ROMREGION_DISPOSE )	// 4bpp sprites
	ROM_LOAD( "2_k5.bin",     0x0000, 0x1000, CRC(7f9cace2) SHA1(bf05a31716f3ca1c2fd1034cd1f39e2d21cdaed3) )
	ROM_LOAD( "3_l5.bin",     0x1000, 0x1000, CRC(db2d9e0d) SHA1(6ec09a47f7aea6bf31eb0ee78f44012f4d92de8a) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "prom1.e1",     0x0000, 0x0020, CRC(d9b10bf0) SHA1(bc1263331968f4bf37eb70ec4f56a8cb763c29d2) ) /* palette */
	ROM_LOAD( "prom2.8r",     0x0020, 0x0100, CRC(8a9c0edf) SHA1(8aad387e9409cff0eeb42eeb57e9ea88770a8c9a) ) /* lookup table */
	ROM_LOAD( "prom3.k5",     0x0120, 0x0100, CRC(b5db1c2c) SHA1(900aaaac6b674a9c5c7b7804a4b0c3d5cce761aa) ) /* lookup table */
ROM_END

/* Bootleg */
ROM_START( exctsccb )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "es-1.e2",      0x0000, 0x2000, CRC(997c6a82) SHA1(60fe27a12eedd22c775b7e65c5ba692cfcf5ac74) )
	ROM_LOAD( "es-2.g2",      0x2000, 0x2000, CRC(5c66e792) SHA1(f7a7f32806965fa926261217cee3159ccd198d49) )
	ROM_LOAD( "es-3.h2",      0x4000, 0x2000, CRC(e0d504c0) SHA1(d9a9f37b3a44a05a3f3389aa9617c419a2cee661) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* sound */
	ROM_LOAD( "es-a.k2",      0x0000, 0x2000, CRC(99e87b78) SHA1(f12006ff3f6f3c706e06288c97a1446141373432) )
	ROM_LOAD( "es-b.l2",      0x2000, 0x2000, CRC(8b3db794) SHA1(dbfed2357c7631bfca6bbd63a23617bc3abf6ca3) )
	ROM_LOAD( "es-c.m2",      0x4000, 0x2000, CRC(7bed2f81) SHA1(cbbb0480519cc04a99e8983228b18c9e49a9985d) )

	/* the national flags are wrong. This happens on the real board */
	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only chars
	ROM_LOAD( "4_a5.bin",     0x0000, 0x2000, CRC(c342229b) SHA1(a989d6c12521c77882a7e17d4d80afe7eae05906) ) /* planes 0,1 */
	ROM_LOAD( "6_c5.bin",     0x2000, 0x2000, CRC(eda40e32) SHA1(6c08fd4f4fb35fd354d02e04548e960c545f6a88) ) /* plane 3 */

	ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only sprites
	ROM_LOAD( "5_b5.bin",     0x0000, 0x2000, CRC(35f4f8c9) SHA1(cdf5bbfea9abdd338938e5f4499d2d71ce3c6237) ) /* planes 0,1 */

	ROM_REGION( 0x02000, REGION_GFX3, ROMREGION_DISPOSE )	// 4bpp sprites
	ROM_LOAD( "2_k5.bin",     0x0000, 0x1000, CRC(7f9cace2) SHA1(bf05a31716f3ca1c2fd1034cd1f39e2d21cdaed3) )
	ROM_LOAD( "3_l5.bin",     0x1000, 0x1000, CRC(db2d9e0d) SHA1(6ec09a47f7aea6bf31eb0ee78f44012f4d92de8a) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "prom1.e1",     0x0000, 0x0020, CRC(d9b10bf0) SHA1(bc1263331968f4bf37eb70ec4f56a8cb763c29d2) ) /* palette */
	ROM_LOAD( "prom2.8r",     0x0020, 0x0100, CRC(8a9c0edf) SHA1(8aad387e9409cff0eeb42eeb57e9ea88770a8c9a) ) /* lookup table */
	ROM_LOAD( "prom3.k5",     0x0120, 0x0100, CRC(b5db1c2c) SHA1(900aaaac6b674a9c5c7b7804a4b0c3d5cce761aa) ) /* lookup table */
ROM_END

ROM_START( exctscc2 )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "vr.3j",        0x0000, 0x2000, CRC(c6115362) SHA1(6a258631abd72ef6b8d7968bb4b2bc88e89e597d) )
	ROM_LOAD( "vr.3k",        0x2000, 0x2000, CRC(de36ba00) SHA1(0a0d92e710b8c749f145571bc8a204609456d19d) )
	ROM_LOAD( "vr.3l",        0x4000, 0x2000, CRC(1ddfdf65) SHA1(313d0a7f13fc2de15aa32492c38a59fbafad9f01) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )
	ROM_LOAD( "vr.7d",        0x0000, 0x2000, CRC(2c675a43) SHA1(aa0a8dbcae955e3da92c435202f2a1ed238c377e) )
	ROM_LOAD( "vr.7e",        0x2000, 0x2000, CRC(e571873d) SHA1(2dfff24f5dac86e92612f40cf3642005c7f36ad3) )
	ROM_LOAD( "8_d6.bin",     0x4000, 0x2000, CRC(88651ee1) SHA1(2052e1b3f9784439369f464e31f4a2b0d1bb0565) )	/* vr.7f */
	ROM_LOAD( "7_c6.bin",     0x6000, 0x2000, CRC(6d51521e) SHA1(2809bd2e61f40dcd31d43c62520982bdcfb0a865) )	/* vr.7h */
	ROM_LOAD( "1_a6.bin",     0x8000, 0x1000, CRC(20f2207e) SHA1(b1ed2237d0bd50ddbe593fd2fbff9f1d67c1eb11) )	/* vr.7k */

	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only chars
	ROM_LOAD( "vr.5a",        0x0000, 0x2000, CRC(4ff1783d) SHA1(c45074864c3a4bcbf3a87d164027ae16dca53d9c) ) /* planes 0,1 */
	ROM_LOAD( "vr.5c",        0x2000, 0x2000, CRC(1fb84ee6) SHA1(56ceb86c509be783f806403ac21e7c9684760d5f) ) /* plane 3 */

	ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )	// 3bpp chars + sprites: rearranged by DRIVER_INIT to leave only sprites
	ROM_LOAD( "vr.5b",        0x0000, 0x2000, CRC(5605b60b) SHA1(19d5909896ae4a3d7552225c369d30475c56793b) ) /* planes 0,1 */

	ROM_REGION( 0x02000, REGION_GFX3, ROMREGION_DISPOSE )	// 4bpp sprites
	ROM_LOAD( "vr.5k",        0x0000, 0x1000, CRC(1d37edfa) SHA1(184fa6dd7b1b3fff4c5fc19b42301ccb7979ac84) )
	ROM_LOAD( "vr.5l",        0x1000, 0x1000, CRC(b97f396c) SHA1(4ffe512acf047230bd593911a615fc0ef66b481d) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "prom1.e1",     0x0000, 0x0020, CRC(d9b10bf0) SHA1(bc1263331968f4bf37eb70ec4f56a8cb763c29d2) ) /* palette */
	ROM_LOAD( "prom2.8r",     0x0020, 0x0100, CRC(8a9c0edf) SHA1(8aad387e9409cff0eeb42eeb57e9ea88770a8c9a) ) /* lookup table */
	ROM_LOAD( "prom3.k5",     0x0120, 0x0100, CRC(b5db1c2c) SHA1(900aaaac6b674a9c5c7b7804a4b0c3d5cce761aa) ) /* lookup table */
ROM_END



static DRIVER_INIT( exctsccr )
{
	// chars and sprites are mixed in the same ROMs, so rearrange them for easier decoding
	UINT8 *rom1 = memory_region(REGION_GFX1);
	UINT8 *rom2 = memory_region(REGION_GFX2);
	int i;

	// planes 0,1
	for (i = 0; i < 0x1000; ++i)
	{
		UINT8 t = rom1[i + 0x1000];
		rom1[i + 0x1000] = rom2[i];
		rom2[i] = t;
	}

	// plane 3
	for (i = 0; i < 0x1000; ++i)
	{
		rom2[i + 0x3000] = rom1[i + 0x3000] >> 4;
		rom2[i + 0x2000] = rom1[i + 0x3000] & 0x0f;
	}
	for (i = 0; i < 0x1000; ++i)
	{
		rom1[i + 0x3000] = rom1[i + 0x2000] >> 4;
		rom1[i + 0x2000] &= 0x0f;
	}
}



GAME( 1983, exctsccr, 0,        exctsccr, exctsccr, exctsccr, ROT90, "Alpha Denshi Co.", "Exciting Soccer", 0 )
GAME( 1983, exctscca, exctsccr, exctsccr, exctsccr, exctsccr, ROT90, "Alpha Denshi Co.", "Exciting Soccer (alternate music)", 0 )
GAME( 1983, exctsccb, exctsccr, exctsccb, exctsccr, exctsccr, ROT90, "bootleg",          "Exciting Soccer (bootleg)", 0 )
GAME( 1984, exctscc2, 0       , exctsccr, exctsccr, exctsccr, ROT90, "Alpha Denshi Co.", "Exciting Soccer II", GAME_IMPERFECT_GRAPHICS )