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/*
    Boogie Wings (aka The Great Ragtime Show)
    Data East, 1992

    PCB No: DE-0379-1

    CPU: DE102
    Sound: HuC6280A, YM2151, YM3012, OKI M6295 (x2)
    OSC: 32.220MHz, 28.000MHz
    DIPs: 8 position (x2)
    PALs: (not dumped) VF-00 (PAL16L8)
                       VF-01 (PAL16L8)
                       VF-02 (22CV10P)
                       VF-03 (PAL16L8)
                       VF-04 (PAL16L8)
                       VF-05 (PAL16L8)

    PROM: MB7122 (compatible to 82S137, located near MBD-09)

    RAM: 62256 (x2), 6264 (x5)

    Data East Chips:   52 (x2)
                    141 (x2)
                    102
                    104
                    113
                    99
                    71 (x2)
                    200

    ROMs:
    kn00-2.2b   27c2001   \
    kn01-2.4b   27c2001    |  Main program
    kn02-2.2e   27c2001    |
    kn03-2.4e   27c2001   /
    kn04.8e     27c512    \
    kn05.9e     27c512    /   near 141's and MBD-00, MBD-01 and MBD-02
    kn06.18p    27c512        Sound Program
    mbd-00.8b   16M
    mbd-01.9b   16M
    mbd-02.10e  4M
    mbd-03.13b  16M
    mbd-04.14b  16M
    mbd-05.16b  16M
    mbd-06.17b  16M
    mbd-07.18b  16M
    mbd-08.19b  16M
    mbd-09.16p  4M         Oki Samples
    mbd-10.17p  4M         Oki Samples


    Driver by Bryan McPhail and David Haywood.

    Todo:
        * Sprite priorities aren't verified to be 100% accurate.
          (Addendum - all known issues seem to be correct - see Sprite Priority Notes below).
        * There may be some kind of fullscreen palette effect (controlled by bit 3 in priority
          word - used at end of each level, and on final boss).
        * A shadow effect (used in level 1) is not implemented.

    Sprite Priority Notes:
        * On the Imperial Science Museum level at the beginning, you fly behind a wall, but your
          shots go in front of it.  This is verified to be correct behavior by Guru.
        * There's a level where the player passes through several columns in a building and the
          player goes behind every 2nd one. That is correct as well.
        * There is a fire hydrant with an odd-looking spray of water on various levels.
          If you drop the hydrant in front of an enemy (a tank, for example), the priorities are
          wrong.  This is actual PCB behavior.  Also, the strange-looking water spray is correct.

    Alpha Blend Note:
        * There are semi-transparent round spots around your plane while fighting the final boss.
          These are correct.
        * The final boss shoots a blue beam downwards during the battle.  This should have alpha.
          It fades in to blue, then fades out to nothing again after a few seconds (Guru).
          (Potentially related to note above about bit 3 in priority word)

    2008-07
    Dip Locations added according to the manual of the JPN version
*/

#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "cpu/h6280/h6280.h"
#include "includes/boogwing.h"
#include "includes/decocrpt.h"
#include "includes/decoprot.h"
#include "sound/2151intf.h"
#include "sound/okim6295.h"
#include "video/deco16ic.h"
#include "video/decocomn.h"

static ADDRESS_MAP_START( boogwing_map, AS_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x0fffff) AM_ROM
	AM_RANGE(0x200000, 0x20ffff) AM_RAM

	AM_RANGE(0x220000, 0x220001) AM_DEVWRITE("deco_common", decocomn_priority_w)
	AM_RANGE(0x220002, 0x22000f) AM_NOP

	AM_RANGE(0x240000, 0x240001) AM_WRITE(buffer_spriteram16_w)
	AM_RANGE(0x242000, 0x2427ff) AM_RAM AM_BASE_SIZE_GENERIC(spriteram)
	AM_RANGE(0x244000, 0x244001) AM_WRITE(buffer_spriteram16_2_w)
	AM_RANGE(0x246000, 0x2467ff) AM_RAM AM_BASE_SIZE_GENERIC(spriteram2)

	AM_RANGE(0x24e6c0, 0x24e6c1) AM_READ_PORT("DSW")
	AM_RANGE(0x24e138, 0x24e139) AM_READ_PORT("SYSTEM")
	AM_RANGE(0x24e344, 0x24e345) AM_READ_PORT("INPUTS")
	AM_RANGE(0x24e000, 0x24e7ff) AM_WRITE(deco16_104_prot_w) AM_BASE(&deco16_prot_ram)

	AM_RANGE(0x260000, 0x26000f) AM_DEVWRITE("tilegen1", deco16ic_pf_control_w)
	AM_RANGE(0x264000, 0x265fff) AM_DEVREADWRITE("tilegen1", deco16ic_pf1_data_r, deco16ic_pf1_data_w)
	AM_RANGE(0x266000, 0x267fff) AM_DEVREADWRITE("tilegen1", deco16ic_pf2_data_r, deco16ic_pf2_data_w)
	AM_RANGE(0x268000, 0x268fff) AM_RAM AM_BASE_MEMBER(boogwing_state, m_pf1_rowscroll)
	AM_RANGE(0x26a000, 0x26afff) AM_RAM AM_BASE_MEMBER(boogwing_state, m_pf2_rowscroll)

	AM_RANGE(0x270000, 0x27000f) AM_DEVWRITE("tilegen2", deco16ic_pf_control_w)
	AM_RANGE(0x274000, 0x275fff) AM_RAM_DEVWRITE("tilegen2", deco16ic_pf1_data_w)
	AM_RANGE(0x276000, 0x277fff) AM_RAM_DEVWRITE("tilegen2", deco16ic_pf2_data_w)
	AM_RANGE(0x278000, 0x278fff) AM_RAM AM_BASE_MEMBER(boogwing_state, m_pf3_rowscroll)
	AM_RANGE(0x27a000, 0x27afff) AM_RAM AM_BASE_MEMBER(boogwing_state, m_pf4_rowscroll)

	AM_RANGE(0x280000, 0x28000f) AM_NOP // ?
	AM_RANGE(0x282000, 0x282001) AM_NOP // Palette setup?
	AM_RANGE(0x282008, 0x282009) AM_DEVWRITE("deco_common", decocomn_palette_dma_w)
	AM_RANGE(0x284000, 0x285fff) AM_DEVWRITE("deco_common", decocomn_buffered_palette_w) AM_BASE_GENERIC(paletteram)

	AM_RANGE(0x3c0000, 0x3c004f) AM_RAM // ?
ADDRESS_MAP_END


static ADDRESS_MAP_START( audio_map, AS_PROGRAM, 8 )
	AM_RANGE(0x000000, 0x00ffff) AM_ROM
	AM_RANGE(0x100000, 0x100001) AM_NOP
	AM_RANGE(0x110000, 0x110001) AM_DEVREADWRITE("ymsnd", ym2151_r, ym2151_w)
	AM_RANGE(0x120000, 0x120001) AM_DEVREADWRITE_MODERN("oki1", okim6295_device, read, write)
	AM_RANGE(0x130000, 0x130001) AM_DEVREADWRITE_MODERN("oki2", okim6295_device, read, write)
	AM_RANGE(0x140000, 0x140001) AM_READ(soundlatch_r)
	AM_RANGE(0x1f0000, 0x1f1fff) AM_RAMBANK("bank8")
	AM_RANGE(0x1fec00, 0x1fec01) AM_WRITE(h6280_timer_w)
	AM_RANGE(0x1ff400, 0x1ff403) AM_WRITE(h6280_irq_status_w)
ADDRESS_MAP_END


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

static INPUT_PORTS_START( boogwing )
	PORT_START("SYSTEM")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START("DSW")
	PORT_DIPNAME( 0x0007, 0x0007, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2,3")
	PORT_DIPSETTING(      0x0000, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(      0x0007, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(      0x0006, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(      0x0005, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(      0x0003, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( 1C_6C ) )
	PORT_DIPNAME( 0x0038, 0x0038, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:4,5,6")
	PORT_DIPSETTING(      0x0000, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(      0x0038, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(      0x0030, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(      0x0028, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(      0x0018, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( 1C_6C ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:7")
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, "Continue Coin" ) PORT_DIPLOCATION("SW1:8")
	PORT_DIPSETTING(      0x0080, "Normal Coin Credit" )
	PORT_DIPSETTING(      0x0000, "2 Start/1 Continue" )
	PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(      0x0100, "1" )
	PORT_DIPSETTING(      0x0300, "2" )
	PORT_DIPSETTING(      0x0200, "3" )
	PORT_DIPSETTING(      0x0000, "4" )
	PORT_DIPNAME( 0x0c00, 0x0c00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:3,4")
	PORT_DIPSETTING(      0x0800, DEF_STR( Easy ) )
	PORT_DIPSETTING(      0x0c00, DEF_STR( Normal ) )
	PORT_DIPSETTING(      0x0400, DEF_STR( Hard ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x1000, 0x1000, "Coin Slots" ) PORT_DIPLOCATION("SW2:5")
	PORT_DIPSETTING(      0x1000, "Common" )
	PORT_DIPSETTING(      0x0000, "Individual" )
	PORT_DIPNAME( 0x2000, 0x2000, "Stage Reset" ) PORT_DIPLOCATION("SW2:6")	/* At loss of life */
	PORT_DIPSETTING(      0x2000, "Point of Termination" )
	PORT_DIPSETTING(      0x0000, "Beginning of Stage" )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:7") /* Manual shows as OFF and states "Don't Change" */
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x0000, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )

	PORT_START("INPUTS")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 )
INPUT_PORTS_END

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

static const gfx_layout tile_8x8_layout =
{
	8,8,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	8*16
};

static const gfx_layout tile_16x16_layout_5bpp =
{
	16,16,
	RGN_FRAC(1,3),
	5,
	{ RGN_FRAC(2,3), RGN_FRAC(1,3)+8,RGN_FRAC(1,3)+0,RGN_FRAC(0,3)+8,RGN_FRAC(0,3)+0 },
	{ 256,257,258,259,260,261,262,263,0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,8*16,9*16,10*16,11*16,12*16,13*16,14*16,15*16 },
	32*16
};

static const gfx_layout tile_16x16_layout =
{
	16,16,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 },
	{ 256,257,258,259,260,261,262,263,0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,8*16,9*16,10*16,11*16,12*16,13*16,14*16,15*16 },
	32*16
};

static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 24,8,16,0 },
	{ 512,513,514,515,516,517,518,519, 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 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},
	32*32
};


static GFXDECODE_START( boogwing )
	GFXDECODE_ENTRY( "tiles1", 0, tile_8x8_layout,            0, 16 )	/* Tiles (8x8) */
	GFXDECODE_ENTRY( "tiles2", 0, tile_16x16_layout_5bpp, 0x100, 16 )	/* Tiles (16x16) */
	GFXDECODE_ENTRY( "tiles3", 0, tile_16x16_layout,      0x300, 32 )	/* Tiles (16x16) */
	GFXDECODE_ENTRY( "sprites1", 0, spritelayout,           0x500, 32 )	/* Sprites (16x16) */
	GFXDECODE_ENTRY( "sprites2", 0, spritelayout,           0x700, 16 )	/* Sprites (16x16) */
GFXDECODE_END

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

static void sound_irq(device_t *device, int state)
{
	boogwing_state *driver_state = device->machine().driver_data<boogwing_state>();
	device_set_input_line(driver_state->m_audiocpu, 1, state); /* IRQ 2 */
}

static WRITE8_DEVICE_HANDLER( sound_bankswitch_w )
{
	boogwing_state *state = device->machine().driver_data<boogwing_state>();
	state->m_oki2->set_bank_base(((data & 2) >> 1) * 0x40000);
	state->m_oki1->set_bank_base((data & 1) * 0x40000);
}

static const ym2151_interface ym2151_config =
{
	sound_irq,
	sound_bankswitch_w
};


static int boogwing_bank_callback( const int bank )
{
	return ((bank >> 4) & 0x7) * 0x1000;
}

static int boogwing_bank_callback2( const int bank )
{
	int offset = ((bank >> 4) & 0x7) * 0x1000;
	if ((bank & 0xf) == 0xa)
		offset += 0x800; // strange - transporter level

	return offset;
}

static const decocomn_interface boogwing_decocomn_intf =
{
	"screen",
};

static const deco16ic_interface boogwing_deco16ic_tilegen1_intf =
{
	"screen",
	0, 1,
	0x0f, 0x1f, /* trans masks (pf2 has 5bpp graphics) */
	0, 0,  /* color base (pf2 is non default) */
	0x0f, 0x0f,	/* color masks (default values) */
	NULL,
	boogwing_bank_callback,
	0, 1
};

static const deco16ic_interface boogwing_deco16ic_tilegen2_intf =
{
	"screen",
	0, 1,
	0x0f, 0x0f,
	0, 16,
	0x0f, 0x0f,
	boogwing_bank_callback2,
	boogwing_bank_callback2,
	0, 2
};


static MACHINE_CONFIG_START( boogwing, boogwing_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", M68000, 14000000)	/* DE102 */
	MCFG_CPU_PROGRAM_MAP(boogwing_map)
	MCFG_CPU_VBLANK_INT("screen", irq6_line_hold)

	MCFG_CPU_ADD("audiocpu", H6280,32220000/4)
	MCFG_CPU_PROGRAM_MAP(audio_map)

	/* video hardware */
	MCFG_VIDEO_ATTRIBUTES(VIDEO_BUFFERS_SPRITERAM )

	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(58)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
	MCFG_SCREEN_SIZE(40*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 1*8, 31*8-1)
	MCFG_SCREEN_UPDATE(boogwing)

	MCFG_PALETTE_LENGTH(2048)
	MCFG_GFXDECODE(boogwing)

	MCFG_DECOCOMN_ADD("deco_common", boogwing_decocomn_intf)

	MCFG_DECO16IC_ADD("tilegen1", boogwing_deco16ic_tilegen1_intf)
	MCFG_DECO16IC_ADD("tilegen2", boogwing_deco16ic_tilegen2_intf)

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

	MCFG_SOUND_ADD("ymsnd", YM2151, 32220000/9)
	MCFG_SOUND_CONFIG(ym2151_config)
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.80)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.80)

	MCFG_OKIM6295_ADD("oki1", 32220000/32, OKIM6295_PIN7_HIGH)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.40)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.40)

	MCFG_OKIM6295_ADD("oki2", 32220000/16, OKIM6295_PIN7_HIGH)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.30)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.30)
MACHINE_CONFIG_END

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

ROM_START( boogwing ) /* VER 1.5 EUR 92.12.07 */
	ROM_REGION( 0x100000, "maincpu", 0 ) /* DE102 code (encrypted) */
	ROM_LOAD16_BYTE( "kn_00-2.2b",    0x000000, 0x040000, CRC(e38892b9) SHA1(49b5637965a43e0378e1258c5f0a780926f1f283) )
	ROM_LOAD16_BYTE( "kn_02-2.2e",    0x000001, 0x040000, CRC(8426efef) SHA1(2ea33cbd58b638053d75668a484648dbf67dabb8) )
	ROM_LOAD16_BYTE( "kn_01-2.4b",    0x080000, 0x040000, CRC(3ad4b54c) SHA1(5141001768266995078407851b445378b21453de) )
	ROM_LOAD16_BYTE( "kn_03-2.4e",    0x080001, 0x040000, CRC(10b61f4a) SHA1(41d7f670defbd7dae89afafac9839a9e237814d5) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "km06.18p",    0x00000, 0x10000, CRC(3e8bc4e1) SHA1(7e4c357afefa47b8f101727e06485eb9ebae635d) )

	ROM_REGION( 0x20000, "tiles1", 0 ) /* Tiles 1 */
	ROM_LOAD16_BYTE( "km05.9e",   0x00000, 0x010000, CRC(d10aef95) SHA1(a611a35ab312caee19c31da079c647679d31673d) )
	ROM_LOAD16_BYTE( "km04.8e",   0x00001, 0x010000, CRC(329323a8) SHA1(e2ec7b059301c0a2e052dfc683e044c808ad9b33) )

	ROM_REGION( 0x300000, "tiles2", 0 ) /* Tiles 2 */
	ROM_LOAD( "mbd-01.9b", 0x000000, 0x100000, CRC(d7de4f4b) SHA1(4747f8795e277ed8106667b6f68e1176d95db684) )
	ROM_LOAD( "mbd-00.8b", 0x100000, 0x100000, CRC(adb20ba9) SHA1(2ffa1dd19a438a4d2f5743b1050a8037183a3e7d) )
	/* 0x100000 bytes expanded from mbd-02.10e copied here later */

	ROM_REGION( 0x200000, "tiles3", 0 ) /* Tiles 3 */
	ROM_LOAD( "mbd-03.13b",   0x000000, 0x100000, CRC(cf798f2c) SHA1(f484a22679d6a4d4b0dcac820de3f1a37cbc478f) )
	ROM_LOAD( "mbd-04.14b",   0x100000, 0x100000, CRC(d9764d0b) SHA1(74d6f09d65d073606a6e10556cedf740aa50ff08) )

	ROM_REGION( 0x400000, "sprites1", 0 ) /* Sprites 1 */
	ROM_LOAD16_BYTE( "mbd-05.16b",    0x000001, 0x200000, CRC(1768c66a) SHA1(06bf3bb187c65db9dcce959a43a7231e2ac45c17) )
	ROM_LOAD16_BYTE( "mbd-06.17b",    0x000000, 0x200000, CRC(7750847a) SHA1(358266ed68a9816094e7aab0905d958284c8ce98) )

	ROM_REGION( 0x400000, "sprites2", 0 ) /* Sprites 2 */
	ROM_LOAD16_BYTE( "mbd-07.18b",    0x000001, 0x200000, CRC(241faac1) SHA1(588be0cf2647c1d185a99c987a5a20ab7ad8dea8) )
	ROM_LOAD16_BYTE( "mbd-08.19b",    0x000000, 0x200000, CRC(f13b1e56) SHA1(f8f5e8c4e6c159f076d4e6505bd901ade5c6a0ca) )

	ROM_REGION( 0x0100000, "gfx6", 0 ) /* 1bpp graphics */
	ROM_LOAD16_BYTE( "mbd-02.10e",    0x000000, 0x080000, CRC(b25aa721) SHA1(efe800759080bd1dac2da93bd79062a48c5da2b2) )

	ROM_REGION( 0x80000, "oki1", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-10.17p",    0x000000, 0x080000, CRC(f159f76a) SHA1(0b1ea69fecdd151e2b1fa96a21eade492499691d) )

	ROM_REGION( 0x80000, "oki2", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-09.16p",    0x000000, 0x080000, CRC(f44f2f87) SHA1(d941520bdfc9e6d88c45462bc1f697c18f33498e) )

	ROM_REGION( 0x000400, "proms", 0 ) /* Priority (not used) */
	ROM_LOAD( "kj-00.15n",    0x000000, 0x00400, CRC(add4d50b) SHA1(080e5a8192a146d5141aef5c8d9996ddf8cd3ab4) )
ROM_END

ROM_START( boogwinga ) /* VER 1.5 ASA 92.12.07 */
	ROM_REGION( 0x100000, "maincpu", 0 ) /* DE102 code (encrypted) */
	ROM_LOAD16_BYTE( "km_00-2.2b",    0x000000, 0x040000, CRC(71ab71c6) SHA1(00bfd71dd9ae5f12c574ab0ecc07d85898930c4b) )
	ROM_LOAD16_BYTE( "km_02-2.2e",    0x000001, 0x040000, CRC(e90f07f9) SHA1(1e8bd3983ed875f4752cbf2ab1c7e748d3df019c) )
	ROM_LOAD16_BYTE( "km_01-2.4b",    0x080000, 0x040000, CRC(7fdce2d3) SHA1(5ce9b8ac26700f1c3bfb3ce4845f890b81241823) )
	ROM_LOAD16_BYTE( "km_03-2.4e",    0x080001, 0x040000, CRC(0b582de3) SHA1(f5c58c7e0e8a227506a81e38c266356596dcda7b) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "km06.18p",    0x00000, 0x10000, CRC(3e8bc4e1) SHA1(7e4c357afefa47b8f101727e06485eb9ebae635d) )

	ROM_REGION( 0x20000, "tiles1", 0 ) /* Tiles 1 */
	ROM_LOAD16_BYTE( "km05.9e",   0x00000, 0x010000, CRC(d10aef95) SHA1(a611a35ab312caee19c31da079c647679d31673d) )
	ROM_LOAD16_BYTE( "km04.8e",   0x00001, 0x010000, CRC(329323a8) SHA1(e2ec7b059301c0a2e052dfc683e044c808ad9b33) )

	ROM_REGION( 0x300000, "tiles2", 0 ) /* Tiles 2 */
	ROM_LOAD( "mbd-01.9b", 0x000000, 0x100000, CRC(d7de4f4b) SHA1(4747f8795e277ed8106667b6f68e1176d95db684) )
	ROM_LOAD( "mbd-00.8b", 0x100000, 0x100000, CRC(adb20ba9) SHA1(2ffa1dd19a438a4d2f5743b1050a8037183a3e7d) )
	/* 0x100000 bytes expanded from mbd-02.10e copied here later */

	ROM_REGION( 0x200000, "tiles3", 0 ) /* Tiles 3 */
	ROM_LOAD( "mbd-03.13b",   0x000000, 0x100000, CRC(cf798f2c) SHA1(f484a22679d6a4d4b0dcac820de3f1a37cbc478f) )
	ROM_LOAD( "mbd-04.14b",   0x100000, 0x100000, CRC(d9764d0b) SHA1(74d6f09d65d073606a6e10556cedf740aa50ff08) )

	ROM_REGION( 0x400000, "sprites1", 0 ) /* Sprites 1 */
	ROM_LOAD16_BYTE( "mbd-05.16b",    0x000001, 0x200000, CRC(1768c66a) SHA1(06bf3bb187c65db9dcce959a43a7231e2ac45c17) )
	ROM_LOAD16_BYTE( "mbd-06.17b",    0x000000, 0x200000, CRC(7750847a) SHA1(358266ed68a9816094e7aab0905d958284c8ce98) )

	ROM_REGION( 0x400000, "sprites2", 0 ) /* Sprites 2 */
	ROM_LOAD16_BYTE( "mbd-07.18b",    0x000001, 0x200000, CRC(241faac1) SHA1(588be0cf2647c1d185a99c987a5a20ab7ad8dea8) )
	ROM_LOAD16_BYTE( "mbd-08.19b",    0x000000, 0x200000, CRC(f13b1e56) SHA1(f8f5e8c4e6c159f076d4e6505bd901ade5c6a0ca) )

	ROM_REGION( 0x0100000, "gfx6", 0 ) /* 1bpp graphics */
	ROM_LOAD16_BYTE( "mbd-02.10e",    0x000000, 0x080000, CRC(b25aa721) SHA1(efe800759080bd1dac2da93bd79062a48c5da2b2) )

	ROM_REGION( 0x80000, "oki1", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-10.17p",    0x000000, 0x080000, CRC(f159f76a) SHA1(0b1ea69fecdd151e2b1fa96a21eade492499691d) )

	ROM_REGION( 0x80000, "oki2", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-09.16p",    0x000000, 0x080000, CRC(f44f2f87) SHA1(d941520bdfc9e6d88c45462bc1f697c18f33498e) )

	ROM_REGION( 0x000400, "proms", 0 ) /* Priority (not used) */
	ROM_LOAD( "kj-00.15n",    0x000000, 0x00400, CRC(add4d50b) SHA1(080e5a8192a146d5141aef5c8d9996ddf8cd3ab4) )
ROM_END

ROM_START( ragtime ) /* VER 1.5 JPN 92.12.07 */
	ROM_REGION( 0x100000, "maincpu", 0 ) /* DE102 code (encrypted) */
	ROM_LOAD16_BYTE( "kh_00-2.2b",    0x000000, 0x040000, CRC(553e179f) SHA1(ab156d9eca4a74084da944989529fd8f5a147dfc) )
	ROM_LOAD16_BYTE( "kh_02-2.2e",    0x000001, 0x040000, CRC(6c759ec0) SHA1(f503d225c31543a7cd975fc599811a31ff729251) )
	ROM_LOAD16_BYTE( "kh_01-2.4b",    0x080000, 0x040000, CRC(12dfee70) SHA1(a7c8fd118f589ef13bcb43a6aa446ff81015f5b3) )
	ROM_LOAD16_BYTE( "kh_03-2.4e",    0x080001, 0x040000, CRC(076fea18) SHA1(342ca71b6d8c8be92dbf221ada717bdbd0061226) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "km06.18p",    0x00000, 0x10000, CRC(3e8bc4e1) SHA1(7e4c357afefa47b8f101727e06485eb9ebae635d) )

	ROM_REGION( 0x20000, "tiles1", 0 ) /* Tiles 1 */
	ROM_LOAD16_BYTE( "km05.9e",   0x00000, 0x010000, CRC(d10aef95) SHA1(a611a35ab312caee19c31da079c647679d31673d) )
	ROM_LOAD16_BYTE( "km04.8e",   0x00001, 0x010000, CRC(329323a8) SHA1(e2ec7b059301c0a2e052dfc683e044c808ad9b33) )

	ROM_REGION( 0x300000, "tiles2", 0 ) /* Tiles 2 */
	ROM_LOAD( "mbd-01.9b", 0x000000, 0x100000, CRC(d7de4f4b) SHA1(4747f8795e277ed8106667b6f68e1176d95db684) )
	ROM_LOAD( "mbd-00.8b", 0x100000, 0x100000, CRC(adb20ba9) SHA1(2ffa1dd19a438a4d2f5743b1050a8037183a3e7d) )
	/* 0x100000 bytes expanded from mbd-02.10e copied here later */

	ROM_REGION( 0x200000, "tiles3", 0 ) /* Tiles 3 */
	ROM_LOAD( "mbd-03.13b",   0x000000, 0x100000, CRC(cf798f2c) SHA1(f484a22679d6a4d4b0dcac820de3f1a37cbc478f) )
	ROM_LOAD( "mbd-04.14b",   0x100000, 0x100000, CRC(d9764d0b) SHA1(74d6f09d65d073606a6e10556cedf740aa50ff08) )

	ROM_REGION( 0x400000, "sprites1", 0 ) /* Sprites 1 */
	ROM_LOAD16_BYTE( "mbd-05.16b",    0x000001, 0x200000, CRC(1768c66a) SHA1(06bf3bb187c65db9dcce959a43a7231e2ac45c17) )
	ROM_LOAD16_BYTE( "mbd-06.17b",    0x000000, 0x200000, CRC(7750847a) SHA1(358266ed68a9816094e7aab0905d958284c8ce98) )

	ROM_REGION( 0x400000, "sprites2", 0 ) /* Sprites 2 */
	ROM_LOAD16_BYTE( "mbd-07.18b",    0x000001, 0x200000, CRC(241faac1) SHA1(588be0cf2647c1d185a99c987a5a20ab7ad8dea8) )
	ROM_LOAD16_BYTE( "mbd-08.19b",    0x000000, 0x200000, CRC(f13b1e56) SHA1(f8f5e8c4e6c159f076d4e6505bd901ade5c6a0ca) )

	ROM_REGION( 0x0100000, "gfx6", 0 ) /* 1bpp graphics */
	ROM_LOAD16_BYTE( "mbd-02.10e",    0x000000, 0x080000, CRC(b25aa721) SHA1(efe800759080bd1dac2da93bd79062a48c5da2b2) )

	ROM_REGION( 0x80000, "oki1", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-10.17p",    0x000000, 0x080000, CRC(f159f76a) SHA1(0b1ea69fecdd151e2b1fa96a21eade492499691d) )

	ROM_REGION( 0x80000, "oki2", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-09.16p",    0x000000, 0x080000, CRC(f44f2f87) SHA1(d941520bdfc9e6d88c45462bc1f697c18f33498e) )

	ROM_REGION( 0x000400, "proms", 0 ) /* Priority (not used) */
	ROM_LOAD( "kj-00.15n",    0x000000, 0x00400, CRC(add4d50b) SHA1(080e5a8192a146d5141aef5c8d9996ddf8cd3ab4) )
ROM_END

ROM_START( ragtimea ) /* VER 1.3 JPN 92.11.26 */
	ROM_REGION( 0x100000, "maincpu", 0 ) /* DE102 code (encrypted) */
	ROM_LOAD16_BYTE( "kh_00-1.2b",    0x000000, 0x040000, CRC(88f0155a) SHA1(6f11cc91e36cd68b7143e3326d92b258f051012e) )
	ROM_LOAD16_BYTE( "kh_02-1.2e",    0x000001, 0x040000, CRC(8811b41b) SHA1(d395338bcd812add0de3d1554d1dc3e048d0e4c9) )
	ROM_LOAD16_BYTE( "kh_01-1.4b",    0x080000, 0x040000, CRC(4dab63ad) SHA1(8c6f6e8382bcbba6e1a7ced504397181e7d6e1d1) )
	ROM_LOAD16_BYTE( "kh_03-1.4e",    0x080001, 0x040000, CRC(8a4cbb18) SHA1(272c8e2b20b0a38ce37552be00130c4117533ea9) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "km06.18p",    0x00000, 0x10000, CRC(3e8bc4e1) SHA1(7e4c357afefa47b8f101727e06485eb9ebae635d) )

	ROM_REGION( 0x20000, "tiles1", 0 ) /* Tiles 1 */
	ROM_LOAD16_BYTE( "km05.9e",   0x00000, 0x010000, CRC(d10aef95) SHA1(a611a35ab312caee19c31da079c647679d31673d) )
	ROM_LOAD16_BYTE( "km04.8e",   0x00001, 0x010000, CRC(329323a8) SHA1(e2ec7b059301c0a2e052dfc683e044c808ad9b33) )

	ROM_REGION( 0x300000, "tiles2", 0 ) /* Tiles 2 */
	ROM_LOAD( "mbd-01.9b", 0x000000, 0x100000, CRC(d7de4f4b) SHA1(4747f8795e277ed8106667b6f68e1176d95db684) )
	ROM_LOAD( "mbd-00.8b", 0x100000, 0x100000, CRC(adb20ba9) SHA1(2ffa1dd19a438a4d2f5743b1050a8037183a3e7d) )
	/* 0x100000 bytes expanded from mbd-02.10e copied here later */

	ROM_REGION( 0x200000, "tiles3", 0 ) /* Tiles 3 */
	ROM_LOAD( "mbd-03.13b",   0x000000, 0x100000, CRC(cf798f2c) SHA1(f484a22679d6a4d4b0dcac820de3f1a37cbc478f) )
	ROM_LOAD( "mbd-04.14b",   0x100000, 0x100000, CRC(d9764d0b) SHA1(74d6f09d65d073606a6e10556cedf740aa50ff08) )

	ROM_REGION( 0x400000, "sprites1", 0 ) /* Sprites 1 */
	ROM_LOAD16_BYTE( "mbd-05.16b",    0x000001, 0x200000, CRC(1768c66a) SHA1(06bf3bb187c65db9dcce959a43a7231e2ac45c17) )
	ROM_LOAD16_BYTE( "mbd-06.17b",    0x000000, 0x200000, CRC(7750847a) SHA1(358266ed68a9816094e7aab0905d958284c8ce98) )

	ROM_REGION( 0x400000, "sprites2", 0 ) /* Sprites 2 */
	ROM_LOAD16_BYTE( "mbd-07.18b",    0x000001, 0x200000, CRC(241faac1) SHA1(588be0cf2647c1d185a99c987a5a20ab7ad8dea8) )
	ROM_LOAD16_BYTE( "mbd-08.19b",    0x000000, 0x200000, CRC(f13b1e56) SHA1(f8f5e8c4e6c159f076d4e6505bd901ade5c6a0ca) )

	ROM_REGION( 0x0100000, "gfx6", 0 ) /* 1bpp graphics */
	ROM_LOAD16_BYTE( "mbd-02.10e",    0x000000, 0x080000, CRC(b25aa721) SHA1(efe800759080bd1dac2da93bd79062a48c5da2b2) )

	ROM_REGION( 0x80000, "oki1", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-10.17p",    0x000000, 0x080000, CRC(f159f76a) SHA1(0b1ea69fecdd151e2b1fa96a21eade492499691d) )

	ROM_REGION( 0x80000, "oki2", 0 ) /* Oki samples 1 */
	ROM_LOAD( "mbd-09.16p",    0x000000, 0x080000, CRC(f44f2f87) SHA1(d941520bdfc9e6d88c45462bc1f697c18f33498e) )

	ROM_REGION( 0x000400, "proms", 0 ) /* Priority (not used) */
	ROM_LOAD( "kj-00.15n",    0x000000, 0x00400, CRC(add4d50b) SHA1(080e5a8192a146d5141aef5c8d9996ddf8cd3ab4) )
ROM_END

static DRIVER_INIT( boogwing )
{
	const UINT8* src = machine.region("gfx6")->base();
	UINT8* dst = machine.region("tiles2")->base() + 0x200000;

	deco56_decrypt_gfx(machine, "tiles1");
	deco56_decrypt_gfx(machine, "tiles2");
	deco56_decrypt_gfx(machine, "tiles3");
	deco56_remap_gfx(machine, "gfx6");
	deco102_decrypt_cpu(machine, "maincpu", 0x42ba, 0x00, 0x18);
	memcpy(dst, src, 0x100000);
}

GAME( 1992, boogwing, 0,        boogwing, boogwing,  boogwing,  ROT0, "Data East Corporation", "Boogie Wings (Euro v1.5, 92.12.07)", GAME_SUPPORTS_SAVE )
GAME( 1992, boogwinga,boogwing, boogwing, boogwing,  boogwing,  ROT0, "Data East Corporation", "Boogie Wings (Asia v1.5, 92.12.07)", GAME_SUPPORTS_SAVE )
GAME( 1992, ragtime,  boogwing, boogwing, boogwing,  boogwing,  ROT0, "Data East Corporation", "The Great Ragtime Show (Japan v1.5, 92.12.07)", GAME_SUPPORTS_SAVE )
GAME( 1992, ragtimea, boogwing, boogwing, boogwing,  boogwing,  ROT0, "Data East Corporation", "The Great Ragtime Show (Japan v1.3, 92.11.26)", GAME_SUPPORTS_SAVE )