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// license:BSD-3-Clause
// copyright-holders:Carlos A. Lozano, Phil Stroffolino
/***************************************************************************

Contra/Gryzor (c) 1987 Konami

Notes:
    Press 1P and 2P together to advance through tests.

Credits:
    Carlos A. Lozano: CPU emulation
    Phil Stroffolino: video driver
    Jose Tejada Gomez (of Grytra fame) for precious information on sprites
    Eric Hustvedt: palette optimizations and cocktail support

2008-07
Dip locations and factory settings verified with manual

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

#include "emu.h"
#include "includes/contra.h"
#include "includes/konamipt.h"

#include "cpu/m6809/hd6309.h"
#include "cpu/m6809/m6809.h"
#include "machine/gen_latch.h"
#include "sound/ym2151.h"
#include "speaker.h"


INTERRUPT_GEN_MEMBER(contra_state::contra_interrupt)
{
	if (m_k007121_1->ctrlram_r(7) & 0x02)
		device.execute().set_input_line(HD6309_IRQ_LINE, HOLD_LINE);
}

WRITE8_MEMBER(contra_state::contra_bankswitch_w)
{
	membank("bank1")->set_entry(data & 0x0f);
}

WRITE8_MEMBER(contra_state::contra_sh_irqtrigger_w)
{
	m_audiocpu->set_input_line(M6809_IRQ_LINE, ASSERT_LINE);
}

WRITE8_MEMBER(contra_state::sirq_clear_w)
{
	m_audiocpu->set_input_line(M6809_IRQ_LINE, CLEAR_LINE);
}

WRITE8_MEMBER(contra_state::contra_coin_counter_w)
{
	if (data & 0x01)
		machine().bookkeeping().coin_counter_w(0, data & 0x01);

	if (data & 0x02)
		machine().bookkeeping().coin_counter_w(1, (data & 0x02) >> 1);
}


void contra_state::contra_map(address_map &map)
{
	map(0x0000, 0x0007).w(this, FUNC(contra_state::contra_K007121_ctrl_0_w));
	map(0x0010, 0x0010).portr("SYSTEM");
	map(0x0011, 0x0011).portr("P1");
	map(0x0012, 0x0012).portr("P2");

	map(0x0014, 0x0014).portr("DSW1");
	map(0x0015, 0x0015).portr("DSW2");
	map(0x0016, 0x0016).portr("DSW3");

	map(0x0018, 0x0018).w(this, FUNC(contra_state::contra_coin_counter_w));
	map(0x001a, 0x001a).w(this, FUNC(contra_state::contra_sh_irqtrigger_w));
	map(0x001c, 0x001c).w("soundlatch", FUNC(generic_latch_8_device::write));
	map(0x001e, 0x001e).nopw();    /* ? */
	map(0x0060, 0x0067).w(this, FUNC(contra_state::contra_K007121_ctrl_1_w));

	map(0x0c00, 0x0cff).ram().w(m_palette, FUNC(palette_device::write_indirect)).share("palette");

	map(0x1000, 0x1fff).ram();

	map(0x2000, 0x5fff).readonly();
	map(0x2000, 0x23ff).w(this, FUNC(contra_state::contra_fg_cram_w)).share("fg_cram");
	map(0x2400, 0x27ff).w(this, FUNC(contra_state::contra_fg_vram_w)).share("fg_vram");
	map(0x2800, 0x2bff).w(this, FUNC(contra_state::contra_text_cram_w)).share("tx_cram");
	map(0x2c00, 0x2fff).w(this, FUNC(contra_state::contra_text_vram_w)).share("tx_vram");
	map(0x3000, 0x37ff).writeonly().share("spriteram");/* 2nd bank is at 0x5000 */
	map(0x3800, 0x3fff).writeonly(); // second sprite buffer
	map(0x4000, 0x43ff).w(this, FUNC(contra_state::contra_bg_cram_w)).share("bg_cram");
	map(0x4400, 0x47ff).w(this, FUNC(contra_state::contra_bg_vram_w)).share("bg_vram");
	map(0x4800, 0x5fff).writeonly();

	map(0x6000, 0x7fff).bankr("bank1");
	map(0x7000, 0x7000).w(this, FUNC(contra_state::contra_bankswitch_w));

	map(0x8000, 0xffff).rom();
}

void contra_state::sound_map(address_map &map)
{
	map(0x0000, 0x0000).r("soundlatch", FUNC(generic_latch_8_device::read));
	map(0x2000, 0x2001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write));
	map(0x4000, 0x4000).w(this, FUNC(contra_state::sirq_clear_w)); /* read triggers irq reset and latch read (in the hardware only). */
	map(0x6000, 0x67ff).ram();
	map(0x8000, 0xffff).rom();
}



static INPUT_PORTS_START( contra )
	PORT_START("SYSTEM")
	KONAMI8_SYSTEM_UNK

	PORT_START("P1")
	KONAMI8_B12_UNK(1)

	PORT_START("P2")
	KONAMI8_B12_UNK(2)

	PORT_START("DSW1")
	KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), "No Coin B", SW1)
	/* "No Coin B" = coins produce sound, but no effect on coin counter */

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "30000 70000" )
	PORT_DIPSETTING(    0x10, "40000 80000" )
	PORT_DIPSETTING(    0x08, "40000" )
	PORT_DIPSETTING(    0x00, "50000" )
	PORT_DIPNAME( 0x60, 0x60, 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( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	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("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW3:1")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW3:2")
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE_DIPLOC( 0x04, IP_ACTIVE_LOW, "SW3:3" )
	PORT_DIPNAME( 0x08, 0x08, "Sound" ) PORT_DIPLOCATION("SW3:4")
	PORT_DIPSETTING(    0x00, DEF_STR( Mono ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Stereo ) )
INPUT_PORTS_END



static INPUT_PORTS_START( gryzor )
	PORT_INCLUDE( contra )

	PORT_MODIFY("DSW2")
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:3")    /* Not Used according to manual, used in gryzor sets */
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )

	PORT_MODIFY("DSW3")
	PORT_DIPNAME( 0x02, 0x02, "Upright Controls" ) PORT_DIPLOCATION("SW3:2")    /* Not Used according to manual, used in gryzor sets */
	PORT_DIPSETTING(    0x02, DEF_STR( Single ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Dual ) )
INPUT_PORTS_END


static const gfx_layout gfxlayout =
{
	8,8,
	0x4000,
	4,
	{ 0, 1, 2, 3 },
	{ 0, 4, 8, 12, 16, 20, 24, 28 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static GFXDECODE_START( contra )
	GFXDECODE_ENTRY( "gfx1", 0, gfxlayout,       0, 8*16 )
	GFXDECODE_ENTRY( "gfx2", 0, gfxlayout, 8*16*16, 8*16 )
GFXDECODE_END



void contra_state::machine_start()
{
	uint8_t *ROM = memregion("maincpu")->base();

	membank("bank1")->configure_entries(0, 16, &ROM[0x10000], 0x2000);
}

void contra_state::machine_reset()
{
	m_audiocpu->set_input_line(M6809_IRQ_LINE, CLEAR_LINE);
}

MACHINE_CONFIG_START(contra_state::contra)

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", HD6309E, XTAL(24'000'000) / 8) /* 3000000? (HD63C09EP) */
	MCFG_CPU_PROGRAM_MAP(contra_map)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", contra_state,  contra_interrupt)

	MCFG_CPU_ADD("audiocpu", MC6809E, XTAL(24'000'000)/8) /* 3000000? (HD68B09EP) */
	MCFG_CPU_PROGRAM_MAP(sound_map)

	MCFG_QUANTUM_TIME(attotime::from_hz(6000))  /* enough for the sound CPU to read all commands */


	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_SIZE(37*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 35*8-1, 2*8, 30*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(contra_state, screen_update_contra)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_GFXDECODE_ADD("gfxdecode", "palette", contra)

	MCFG_PALETTE_ADD("palette", 2*8*16*16)
	MCFG_PALETTE_INDIRECT_ENTRIES(128)
	MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR)
	MCFG_PALETTE_ENDIANNESS(ENDIANNESS_LITTLE)
	MCFG_PALETTE_INIT_OWNER(contra_state, contra)

	MCFG_K007121_ADD("k007121_1")
	MCFG_K007121_PALETTE("palette")
	MCFG_K007121_ADD("k007121_2")
	MCFG_K007121_PALETTE("palette")

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

	MCFG_GENERIC_LATCH_8_ADD("soundlatch")

	MCFG_YM2151_ADD("ymsnd", XTAL(3'579'545))
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.60)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.60)
MACHINE_CONFIG_END


ROM_START( contra )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633m03.18a",   0x20000, 0x08000, CRC(d045e1da) SHA1(ec781e98a6efb14861223250c6239b06ec98ed0b) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633i02.17a",   0x10000, 0x10000, CRC(b2f7bd9a) SHA1(6c29568419bc49f0be3995b0c34edd9038f6f8d9) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0500, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( contra1 )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633i03.18a",   0x20000, 0x08000, CRC(7fc0d8cf) SHA1(cf1cf15646a4e5dc72671e957bc51ca44d30995c) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633i02.17a",   0x10000, 0x10000, CRC(b2f7bd9a) SHA1(6c29568419bc49f0be3995b0c34edd9038f6f8d9) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( contrae )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633_e03.18a",   0x20000, 0x08000, CRC(7ebdb314) SHA1(b42c032cce7ae0c9b3eea6a41b7ffa5cb7fced5d) )
	ROM_CONTINUE(              0x08000, 0x08000 )
	ROM_LOAD( "633_e02.17a",   0x10000, 0x10000, CRC(9d5ebe66) SHA1(5218426e1494b4f6dec667f1ade7ada13aa04f2b) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	// this PCB used official Konami riser-boards in place of the mask roms
	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633_e04_a.7d",    0x00000, 0x10000, CRC(e027f330) SHA1(e3480c0ed9f5ed5df829e66eb72e01ea39d5fca3) )
	ROM_LOAD16_BYTE( "633_e04_b.7d",    0x20000, 0x10000, CRC(a71230f5) SHA1(c2c92b42a04adbb4c7ba3d4632b9a9db0555840e) )
	ROM_LOAD16_BYTE( "633_e04_c.7d",    0x40000, 0x10000, CRC(0b103d01) SHA1(95e7feb7103d71b43ba921b7a376a2faf642621b) )
	ROM_LOAD16_BYTE( "633_e04_d.7d",    0x60000, 0x10000, CRC(ab3faa60) SHA1(905c1eaa5fb46904058977582c9bb3132ba165f7) )
	ROM_LOAD16_BYTE( "633_e05_a.7f",    0x00001, 0x10000, CRC(81a70a77) SHA1(c7493474af0144c05d3d98b2f77a3dae2d8d7ca5) )
	ROM_LOAD16_BYTE( "633_e05_b.7f",    0x20001, 0x10000, CRC(55556f29) SHA1(ebd52abd4adb9c4302050579fa126fde49fb468d) )
	ROM_LOAD16_BYTE( "633_e05_c.7f",    0x40001, 0x10000, CRC(acba86bf) SHA1(c248c837b1f8093bcaf465b0c75b67f1f67a3f61) )
	ROM_LOAD16_BYTE( "633_e05_d.7f",    0x60001, 0x10000, CRC(59cf234d) SHA1(4a6bb30789e581c0600c55d8e8fba778e30ba299) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633_e06_a.16d",   0x00000, 0x10000, CRC(030079c5) SHA1(3f93e05e9df0a9dde570b771e04b719cf0ace967) )
	ROM_LOAD16_BYTE( "633_e06_b.16d",   0x20000, 0x10000, CRC(e17d5807) SHA1(15ebbf62d026cc8ac75c9877304458cbc0c5d5e0) )
	ROM_LOAD16_BYTE( "633_e06_c.16d",   0x40000, 0x10000, CRC(7d6a28cd) SHA1(9fbbe0460406bb8b3e2e572c4d5a2f8be4ba9c2e) )
	ROM_LOAD16_BYTE( "633_e06_d.16d",   0x60000, 0x10000, CRC(83db378f) SHA1(b9a2235382836fe06868d3bbd45978653bf5c91d) )
	ROM_LOAD16_BYTE( "633_e07_a.16f",   0x00001, 0x10000, CRC(8fcd40e5) SHA1(980273dc9108cc546b2146ec1e9db5dd440c4bd2) )
	ROM_LOAD16_BYTE( "633_e07_b.16f",   0x20001, 0x10000, CRC(694e306e) SHA1(f077aefb2b1ed29b27ed02b094007fe6b50a06a1) )
	ROM_LOAD16_BYTE( "633_e07_c.16f",   0x40001, 0x10000, CRC(fb33f3ff) SHA1(c6f6035a1478e8d2cdab01ddf2ec07a834b79593) )
	ROM_LOAD16_BYTE( "633_e07_d.16f",   0x60001, 0x10000, CRC(cfab0988) SHA1(3961bcbc3093b787211ab2815914f90a89df78b1) )

	ROM_REGION( 0x0500, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633e10.18g",   0x0200, 0x0100, CRC(e782c494) SHA1(9459e721a4361fc4fbace3a017211f0199dee24d) )    /* 007121 #1 sprite lookup table */ // earlier rev
	ROM_LOAD( "633e11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( contraj )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633n03.18a",   0x20000, 0x08000, CRC(fedab568) SHA1(7fd4546335bdeef7f8326d4cbde7fa36d74e5cfc) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633k02.17a",   0x10000, 0x10000, CRC(5d5f7438) SHA1(489fe56ca57ef4f6a7792fba07a9656009f3f285) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( contraj1 )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633k03.18a",   0x20000, 0x08000, CRC(bdb9196d) SHA1(fad170e8fda94c9c9d7b82433daa30b80af12efc) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633k02.17a",   0x10000, 0x10000, CRC(5d5f7438) SHA1(489fe56ca57ef4f6a7792fba07a9656009f3f285) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( gryzor )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633j03.18a",   0x20000, 0x08000, CRC(20919162) SHA1(2f375166428ee03f6e8ac0372a373bb8ab35e64c) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633j02.17a",   0x10000, 0x10000, CRC(b5922f9a) SHA1(441a23dc99a908ec2c09c855e73070dbab8c5ae2) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

ROM_START( gryzor1 )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "633g2.18a",    0x20000, 0x08000, CRC(92ca77bd) SHA1(3a56f51a617edff9f2a60df0141dff040881b82a) )
	ROM_CONTINUE(             0x08000, 0x08000 )
	ROM_LOAD( "633g3.17a",    0x10000, 0x10000, CRC(bbd9e95e) SHA1(fd5de1bcc485de7b8fc2e321351c2e3ddd25d053) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "633e01.12a",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) )

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "633e04.7d",    0x00000, 0x40000, CRC(14ddc542) SHA1(c7d8592672a6e50c2fe6b0670001c340022f16f9) )
	ROM_LOAD16_BYTE( "633e05.7f",    0x00001, 0x40000, CRC(42185044) SHA1(a6e2598d766e6995c1a912e4a04987e6f4d547ff) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	ROM_LOAD16_BYTE( "633e06.16d",   0x00000, 0x40000, CRC(9cf6faae) SHA1(9ab79c06cb541ce6fdac322886b8a14a2f3f5cf7) )
	ROM_LOAD16_BYTE( "633e07.16f",   0x00001, 0x40000, CRC(f2d06638) SHA1(0fa0fbfc53ab5c31b9de22f90153d9af37ff22ce) )

	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */

	ROM_REGION( 0x0001, "pals", 0 )
	ROM_LOAD( "007766.20d.bin", 0x0000, 0x0001, NO_DUMP ) /* PAL16L8A-2CN */
ROM_END

/*  Bootlegs  */

ROM_START( contrab )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "3.ic20",   0x20000, 0x08000, CRC(d045e1da) SHA1(ec781e98a6efb14861223250c6239b06ec98ed0b) ) /* == 633m03.18a */
	ROM_CONTINUE(         0x08000, 0x08000 )
	ROM_LOAD( "1.ic19",   0x10000, 0x10000, CRC(b2f7bd9a) SHA1(6c29568419bc49f0be3995b0c34edd9038f6f8d9) ) /* == 633i03.18a */

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "3.ic63",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) ) /* == 633k01.12a */

	ROM_REGION( 0x80000, "gfx1", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "7.rom",      0x00000, 0x10000, CRC(57f467d2) SHA1(e30be315980f421143d1357174af678362836285) )
	ROM_LOAD( "10.rom",     0x10000, 0x10000, CRC(e6db9685) SHA1(4d5ccfe95b082fe9830e7a316f88fd6f02464900) )
	ROM_LOAD( "9.rom",      0x20000, 0x10000, CRC(875c61de) SHA1(e8dc42fef810a9f5471d96cb5297eb29296ba472) )
	ROM_LOAD( "8.rom",      0x30000, 0x10000, CRC(642765d6) SHA1(d1563a392b8d8409f0f2159c2e82cd34b9ca2900) )
	ROM_LOAD( "15.rom",     0x40000, 0x10000, CRC(daa2324b) SHA1(8a5fb8b79957291dc952e19e6973c64bb7230816) )
	ROM_LOAD( "16.rom",     0x50000, 0x10000, CRC(e27cc835) SHA1(cb980b1fed110c7e4ef21fa11f44e5aea100881b) )
	ROM_LOAD( "17.rom",     0x60000, 0x10000, CRC(ce4330b9) SHA1(0a2bd31baa0bc5e3745ee5ddac995557a551d58c) )
	ROM_LOAD( "18.rom",     0x70000, 0x10000, CRC(1571ce42) SHA1(04082ed78b5e7f20b99d6edfb6c363574abd6158) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "4.rom",      0x00000, 0x10000, CRC(2cc7e52c) SHA1(7598a63346bf06dd34fd643fdff53fc3de6768a6) )
	ROM_LOAD( "5.rom",      0x10000, 0x10000, CRC(e01a5b9c) SHA1(58c99cf99f209c584da757320a2f107244056d4c) )
	ROM_LOAD( "6.rom",      0x20000, 0x10000, CRC(aeea6744) SHA1(220b42f707db99967bdcbd9ac66fcc83675a72aa) )
	ROM_LOAD( "14.rom",     0x30000, 0x10000, CRC(765afdc7) SHA1(b7f6871cb154ee7e42e683bce08b73b00e61b0bc) )
	ROM_LOAD( "11.rom",     0x40000, 0x10000, CRC(bd9ba92c) SHA1(e7f65ed20cd7754cc476e8fab7e56105cedcdb98) )
	ROM_LOAD( "12.rom",     0x50000, 0x10000, CRC(d0be7ec2) SHA1(5aa829b8ffbe3f5f92ba672b1c24bfb7836ba1a3) )
	ROM_LOAD( "13.rom",     0x60000, 0x10000, CRC(2b513d12) SHA1(152ebd849751cc2e95513134ce773a6b2eeb320e) )
	/* This last section, 0x70000-0x7ffff is empty */

	ROM_REGION( 0x0500, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */
	ROM_LOAD( "conprom.53",   0x0400, 0x0100, CRC(05a1da7e) SHA1(ec0bdfc9da05c99e6a283014769db6d641f1a0aa) )    /* unknown (only present in this bootleg) */
ROM_END

ROM_START( contrabj )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "2.2k",    0x20000, 0x08000, CRC(fedab568) SHA1(7fd4546335bdeef7f8326d4cbde7fa36d74e5cfc) ) /* == 633n03.18a */
	ROM_CONTINUE(        0x08000, 0x08000 )
	ROM_LOAD( "1.2h",    0x10000, 0x10000, CRC(5d5f7438) SHA1(489fe56ca57ef4f6a7792fba07a9656009f3f285) ) /* == 633k02.17a */

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "a3.4p",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) ) /* == 633k01.12a */

	ROM_REGION( 0x80000, "gfx1", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "a7.14f",      0x00000, 0x10000, CRC(57f467d2) SHA1(e30be315980f421143d1357174af678362836285) )
	ROM_LOAD( "a10.14l",     0x10000, 0x10000, CRC(e6db9685) SHA1(4d5ccfe95b082fe9830e7a316f88fd6f02464900) )
	ROM_LOAD( "a9.14k",      0x20000, 0x10000, CRC(875c61de) SHA1(e8dc42fef810a9f5471d96cb5297eb29296ba472) )
	ROM_LOAD( "a8.14h",      0x30000, 0x10000, CRC(642765d6) SHA1(d1563a392b8d8409f0f2159c2e82cd34b9ca2900) )
	ROM_LOAD( "a15.14r",     0x40000, 0x10000, CRC(daa2324b) SHA1(8a5fb8b79957291dc952e19e6973c64bb7230816) )
	ROM_LOAD( "a16.14t",     0x50000, 0x10000, CRC(e27cc835) SHA1(cb980b1fed110c7e4ef21fa11f44e5aea100881b) )
	ROM_LOAD( "a17.14v",     0x60000, 0x10000, CRC(ce4330b9) SHA1(0a2bd31baa0bc5e3745ee5ddac995557a551d58c) )
	ROM_LOAD( "a18.14w",     0x70000, 0x10000, CRC(1571ce42) SHA1(04082ed78b5e7f20b99d6edfb6c363574abd6158) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "a4.14a",      0x00000, 0x10000, CRC(2cc7e52c) SHA1(7598a63346bf06dd34fd643fdff53fc3de6768a6) )
	ROM_LOAD( "a5.14c",      0x10000, 0x10000, CRC(e01a5b9c) SHA1(58c99cf99f209c584da757320a2f107244056d4c) )
	ROM_LOAD( "e6.14d",      0x20000, 0x10000, CRC(aeea6744) SHA1(220b42f707db99967bdcbd9ac66fcc83675a72aa) ) /* Yes, this one was labeled "E" and not "A" */
	ROM_LOAD( "a14.14q",     0x30000, 0x10000, CRC(765afdc7) SHA1(b7f6871cb154ee7e42e683bce08b73b00e61b0bc) )
	ROM_LOAD( "a11.14m",     0x40000, 0x10000, CRC(bd9ba92c) SHA1(e7f65ed20cd7754cc476e8fab7e56105cedcdb98) )
	ROM_LOAD( "a12.14n",     0x50000, 0x10000, CRC(d0be7ec2) SHA1(5aa829b8ffbe3f5f92ba672b1c24bfb7836ba1a3) )
	ROM_LOAD( "a13.14p",     0x60000, 0x10000, CRC(2b513d12) SHA1(152ebd849751cc2e95513134ce773a6b2eeb320e) )
	/* This last section, 0x70000-0x7ffff is empty */


	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */
ROM_END

ROM_START( contrabj1 )
	ROM_REGION( 0x30000, "maincpu", ROMREGION_ERASEFF ) /* 64k for code + 96k for banked ROMs */
	ROM_LOAD( "2__,contrabtj2.2k", 0x20000, 0x08000, CRC(bdb9196d) SHA1(fad170e8fda94c9c9d7b82433daa30b80af12efc) ) /* == 633k03.18a */
	ROM_CONTINUE(                   0x08000, 0x08000 )
	ROM_LOAD( "1.2h",               0x10000, 0x10000, CRC(5d5f7438) SHA1(489fe56ca57ef4f6a7792fba07a9656009f3f285) ) /* == 633k02.17a */

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for SOUND code */
	ROM_LOAD( "a3.4p",   0x08000, 0x08000, CRC(d1549255) SHA1(d700c7de36746ba247e3a5d0410b7aa036aa4073) ) /* == 633k01.12a */

	ROM_REGION( 0x80000, "gfx1", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "a7.14f",      0x00000, 0x10000, CRC(57f467d2) SHA1(e30be315980f421143d1357174af678362836285) )
	ROM_LOAD( "a10.14l",     0x10000, 0x10000, CRC(e6db9685) SHA1(4d5ccfe95b082fe9830e7a316f88fd6f02464900) )
	ROM_LOAD( "a9.14k",      0x20000, 0x10000, CRC(875c61de) SHA1(e8dc42fef810a9f5471d96cb5297eb29296ba472) )
	ROM_LOAD( "a8.14h",      0x30000, 0x10000, CRC(642765d6) SHA1(d1563a392b8d8409f0f2159c2e82cd34b9ca2900) )
	ROM_LOAD( "a15.14r",     0x40000, 0x10000, CRC(daa2324b) SHA1(8a5fb8b79957291dc952e19e6973c64bb7230816) )
	ROM_LOAD( "a16.14t",     0x50000, 0x10000, CRC(e27cc835) SHA1(cb980b1fed110c7e4ef21fa11f44e5aea100881b) )
	ROM_LOAD( "a17.14v",     0x60000, 0x10000, CRC(ce4330b9) SHA1(0a2bd31baa0bc5e3745ee5ddac995557a551d58c) )
	ROM_LOAD( "a18.14w",     0x70000, 0x10000, CRC(1571ce42) SHA1(04082ed78b5e7f20b99d6edfb6c363574abd6158) )

	ROM_REGION( 0x80000, "gfx2", 0 )
	/* bootleg versions use smaller gfx ROMs, but the data is the same */
	ROM_LOAD( "a4.14a",      0x00000, 0x10000, CRC(2cc7e52c) SHA1(7598a63346bf06dd34fd643fdff53fc3de6768a6) )
	ROM_LOAD( "a5.14c",      0x10000, 0x10000, CRC(e01a5b9c) SHA1(58c99cf99f209c584da757320a2f107244056d4c) )
	ROM_LOAD( "e6.14d",      0x20000, 0x10000, CRC(aeea6744) SHA1(220b42f707db99967bdcbd9ac66fcc83675a72aa) ) /* Yes, this one was labeled "E" and not "A" */
	ROM_LOAD( "a14.14q",     0x30000, 0x10000, CRC(765afdc7) SHA1(b7f6871cb154ee7e42e683bce08b73b00e61b0bc) )
	ROM_LOAD( "a11.14m",     0x40000, 0x10000, CRC(bd9ba92c) SHA1(e7f65ed20cd7754cc476e8fab7e56105cedcdb98) )
	ROM_LOAD( "a12.14n",     0x50000, 0x10000, CRC(d0be7ec2) SHA1(5aa829b8ffbe3f5f92ba672b1c24bfb7836ba1a3) )
	ROM_LOAD( "a13.14p",     0x60000, 0x10000, CRC(2b513d12) SHA1(152ebd849751cc2e95513134ce773a6b2eeb320e) )
	/* This last section, 0x70000-0x7ffff is empty */


	ROM_REGION( 0x0400, "proms", 0 )
	ROM_LOAD( "633e08.10g",   0x0000, 0x0100, CRC(9f0949fa) SHA1(7c8fefdcae4523d008a7d39062194c7a80aa3500) )    /* 007121 #0 sprite lookup table */
	ROM_LOAD( "633e09.12g",   0x0100, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #0 char lookup table */
	ROM_LOAD( "633f10.18g",   0x0200, 0x0100, CRC(2b244d84) SHA1(c3bde7afb501bae58d07721c637dc06938c22150) )    /* 007121 #1 sprite lookup table */
	ROM_LOAD( "633f11.20g",   0x0300, 0x0100, CRC(14ca5e19) SHA1(eeee2f8b3d1e4acf47de1e74c4e507ff924591e7) )    /* 007121 #1 char lookup table */
ROM_END

GAME( 1987, contra,    0,      contra, contra,  contra_state, 0, ROT90, "Konami",  "Contra (US / Asia, set 1)",     MACHINE_SUPPORTS_SAVE )
GAME( 1987, contra1,   contra, contra, contra,  contra_state, 0, ROT90, "Konami",  "Contra (US / Asia, set 2)",     MACHINE_SUPPORTS_SAVE )
GAME( 1987, contrae,   contra, contra, contra,  contra_state, 0, ROT90, "Konami",  "Contra (US / Asia, set 3)",     MACHINE_SUPPORTS_SAVE )
GAME( 1987, contraj,   contra, contra, contra,  contra_state, 0, ROT90, "Konami",  "Contra (Japan, set 1)",         MACHINE_SUPPORTS_SAVE )
GAME( 1987, contraj1,  contra, contra, contra,  contra_state, 0, ROT90, "Konami",  "Contra (Japan, set 2)",         MACHINE_SUPPORTS_SAVE )
GAME( 1987, gryzor,    contra, contra, gryzor,  contra_state, 0, ROT90, "Konami",  "Gryzor (set 1)",                MACHINE_SUPPORTS_SAVE )
GAME( 1987, gryzor1,   contra, contra, gryzor,  contra_state, 0, ROT90, "Konami",  "Gryzor (set 2)",                MACHINE_SUPPORTS_SAVE )
GAME( 1987, contrab,   contra, contra, contra,  contra_state, 0, ROT90, "bootleg", "Contra (bootleg)",              MACHINE_SUPPORTS_SAVE )
GAME( 1987, contrabj,  contra, contra, contra,  contra_state, 0, ROT90, "bootleg", "Contra (Japan bootleg, set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1987, contrabj1, contra, contra, contra,  contra_state, 0, ROT90, "bootleg", "Contra (Japan bootleg, set 2)", MACHINE_SUPPORTS_SAVE )