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

  Tumblepop (World)     (c) 1991 Data East Corporation
  Tumblepop (Japan)     (c) 1991 Data East Corporation

Stephh's notes (based on the games M68000 code and some tests) :

1) 'tumblep*' and 'jumpkids'

  - I don't understand the interest of the "Remove Monsters" Dip Switch :
    as I haven't found a way to "end" a level, I guess that it was used to
    test the backgrounds and the "platforms".

  - The "Edit Levels" Dip Switch allows you to add/delete monsters and
    change their position.

    Notes (for 'tumblep', 'tumblepj', 'tumblep2') :
      * "worlds" and levels are 0-based (00-09 & 00-09) :

          World      Name
            0      America
            1      Brazil
            2      Asia
            3      Soviet
            4      Europe
            5      Egypt
            6      Australia
            7      Antartica
            8      Stratosphere
            9      Space

      * As levels x-9 and 9-x are only constitued of a "big boss", you can't
        edit them !
      * All data is stored within the range 0x02b8c8-0x02d2c9, but it should be
        extended to 0x02ebeb (and perhaps 0x02ffff). TO BE CONFIRMED !
      * Once your levels are ready, turn the Dip Switch OFF and reset the game.
      * Of course, there is no possibility to save the levels when you exit
        MAME, nor the way to reload the default ones 8(

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

#include "driver.h"
#include "cpu/h6280/h6280.h"
#include "decocrpt.h"
#include "sound/2151intf.h"
#include "sound/3812intf.h"
#include "sound/okim6295.h"
#include "deco16ic.h"

#define TUMBLEP_HACK	0

VIDEO_START( tumblep );
VIDEO_UPDATE( tumblep );

extern UINT16 *tumblep_pf1_data,*tumblep_pf2_data;

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

#ifdef UNUSED_FUNCTION
static WRITE16_HANDLER( tumblep_oki_w )
{
	OKIM6295_data_0_w(0,data&0xff);
    /* STUFF IN OTHER BYTE TOO..*/
}

static READ16_HANDLER( tumblep_prot_r )
{
	return ~0;
}
#endif

static WRITE16_HANDLER( tumblep_sound_w )
{
	soundlatch_w(machine,0,data & 0xff);
	cpunum_set_input_line(machine, 1,0,HOLD_LINE);
}

#ifdef UNUSED_FUNCTION
static WRITE16_HANDLER( jumppop_sound_w )
{
	soundlatch_w(machine,0,data & 0xff);
	cpunum_set_input_line(machine, 1, 0, ASSERT_LINE );
}
#endif

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

static READ16_HANDLER( tumblepop_controls_r )
{
 	switch (offset<<1)
	{
		case 0: /* Player 1 & Player 2 joysticks & fire buttons */
			return (input_port_read(machine, "P1") + (input_port_read(machine, "P2") << 8));
		case 2: /* Dips */
			return (input_port_read(machine, "DSW1") + (input_port_read(machine, "DSW2") << 8));
		case 8: /* Credits */
			return input_port_read(machine, "SYSTEM");
		case 10: /* ? */
		case 12:
        	return 0;
	}

	return ~0;
}

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

static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 16 )
#if TUMBLEP_HACK
	AM_RANGE(0x000000, 0x07ffff) AM_WRITE(SMH_RAM)	// To write levels modifications
	AM_RANGE(0x000000, 0x07ffff) AM_READ(SMH_ROM)
#else
	AM_RANGE(0x000000, 0x07ffff) AM_ROM
#endif
	AM_RANGE(0x100000, 0x100001) AM_WRITE(tumblep_sound_w)
	AM_RANGE(0x120000, 0x123fff) AM_RAM
	AM_RANGE(0x140000, 0x1407ff) AM_RAM_WRITE(paletteram16_xxxxBBBBGGGGRRRR_word_w) AM_BASE(&paletteram16)
	AM_RANGE(0x180000, 0x18000f) AM_READ(tumblepop_controls_r)
	AM_RANGE(0x18000c, 0x18000d) AM_WRITE(SMH_NOP)
	AM_RANGE(0x1a0000, 0x1a07ff) AM_RAM AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
	AM_RANGE(0x300000, 0x30000f) AM_WRITE(SMH_RAM) AM_BASE(&deco16_pf12_control)
	AM_RANGE(0x320000, 0x320fff) AM_RAM_WRITE(deco16_pf1_data_w) AM_BASE(&deco16_pf1_data)
	AM_RANGE(0x322000, 0x322fff) AM_RAM_WRITE(deco16_pf2_data_w) AM_BASE(&deco16_pf2_data)
	AM_RANGE(0x340000, 0x3407ff) AM_WRITE(SMH_RAM) AM_BASE(&deco16_pf1_rowscroll) // unused
	AM_RANGE(0x342000, 0x3427ff) AM_WRITE(SMH_RAM) AM_BASE(&deco16_pf2_rowscroll) // unused
ADDRESS_MAP_END

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

static WRITE8_HANDLER( YM2151_w )
{
	switch (offset) {
	case 0:
		YM2151_register_port_0_w(machine,0,data);
		break;
	case 1:
		YM2151_data_port_0_w(machine,0,data);
		break;
	}
}

/* Physical memory map (21 bits) */
static ADDRESS_MAP_START( sound_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x000000, 0x00ffff) AM_ROM
	AM_RANGE(0x100000, 0x100001) AM_NOP	/* YM2203 - this board doesn't have one */
	AM_RANGE(0x110000, 0x110001) AM_READWRITE(YM2151_status_port_0_r, YM2151_w)
	AM_RANGE(0x120000, 0x120001) AM_READWRITE(OKIM6295_status_0_r, OKIM6295_data_0_w)
	AM_RANGE(0x130000, 0x130001) AM_NOP	/* This board only has 1 oki chip */
	AM_RANGE(0x140000, 0x140001) AM_READ(soundlatch_r)
	AM_RANGE(0x1f0000, 0x1f1fff) AM_READWRITE(SMH_BANK8, SMH_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( tumblep )
	PORT_START_TAG("P1")	/* Player 1 controls */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* button 3 - unused */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START_TAG("P2")	/* Player 2 controls */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* button 3 - unused */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )

	PORT_START_TAG("SYSTEM")	/* Credits */
	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_HIGH, IPT_VBLANK )
	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 )

	PORT_START_TAG("DSW1")	/* Dip switch bank 1 */
	PORT_DIPNAME( 0xe0, 0xe0, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_6C ) )
	PORT_DIPNAME( 0x1c, 0x1c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x1c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x14, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x18, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_6C ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x01, 0x01, "2 Coins to Start, 1 to Continue" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START_TAG("DSW2")	/* Dip switch bank 2 */
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x80, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0xc0, "3" )
	PORT_DIPSETTING(    0x40, "4" )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x30, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
#if TUMBLEP_HACK
	PORT_DIPNAME( 0x08, 0x08, "Remove Monsters" )
#else
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unused ) )		// See notes
#endif
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
#if TUMBLEP_HACK
	PORT_DIPNAME( 0x04, 0x04, "Edit Levels" )
#else
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unused ) )		// See notes
#endif
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Allow_Continue ) )
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
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 =
{
	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( tumblep )
	GFXDECODE_ENTRY( "gfx1", 0, tile_8x8_layout,     0x100, 32 )	/* Tiles (8x8) */
	GFXDECODE_ENTRY( "gfx1", 0, tile_16x16_layout,   0x100, 32 )	/* Tiles (16x16) */
	GFXDECODE_ENTRY( "gfx2", 0, spritelayout,        0, 16 )	/* Sprites (16x16) */
GFXDECODE_END

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

static void sound_irq(running_machine *machine, int state)
{
	cpunum_set_input_line(machine, 1,1,state); /* IRQ 2 */
}

static const struct YM2151interface ym2151_interface =
{
	sound_irq
};

static MACHINE_DRIVER_START( tumblep )

	/* basic machine hardware */
	MDRV_CPU_ADD("main", M68000, 14000000)
	MDRV_CPU_PROGRAM_MAP(main_map,0)
	MDRV_CPU_VBLANK_INT("main", irq6_line_hold)

	/* audio CPU */
	MDRV_CPU_ADD("audio", H6280, 32220000/8)	/* Custom chip 45; Audio section crystal is 32.220 MHz */
	MDRV_CPU_PROGRAM_MAP(sound_map,0)

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(58)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(529))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(40*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-2, 1*8, 31*8-1) // hmm

	MDRV_GFXDECODE(tumblep)
	MDRV_PALETTE_LENGTH(1024)

	MDRV_VIDEO_START(tumblep)
	MDRV_VIDEO_UPDATE(tumblep)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_STEREO("left", "right")

	MDRV_SOUND_ADD("ym", YM2151, 32220000/9)
	MDRV_SOUND_CONFIG(ym2151_interface)
	MDRV_SOUND_ROUTE(0, "left", 0.45)
	MDRV_SOUND_ROUTE(1, "right", 0.45)

	MDRV_SOUND_ADD("oki", OKIM6295, 1023924)
	MDRV_SOUND_CONFIG(okim6295_interface_pin7high) // clock frequency & pin 7 not verified
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.50)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.50)
MACHINE_DRIVER_END

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

ROM_START( tumblep )
	ROM_REGION( 0x80000, "main", 0 ) /* 68000 code */
	ROM_LOAD16_BYTE("hl00-1.f12", 0x00000, 0x40000, CRC(fd697c1b) SHA1(1a3dee4c7383f2bc2d73037e80f8f5d8297e7433) )
	ROM_LOAD16_BYTE("hl01-1.f13", 0x00001, 0x40000, CRC(d5a62a3f) SHA1(7249563993fa8e1f19ddae51306d4a576b5cb206) )

	ROM_REGION( 0x10000, "audio", 0 ) /* Sound cpu */
	ROM_LOAD( "hl02-.f16",    0x00000, 0x10000, CRC(a5cab888) SHA1(622f6adb01e31b8f3adbaed2b9900b54c5922c57) )

	ROM_REGION( 0x080000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "map-02.rom",   0x00000, 0x80000, CRC(dfceaa26) SHA1(83e391ff39efda71e5fa368ac68ba7d6134bac21) )	// encrypted

	ROM_REGION( 0x100000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD16_BYTE( "map-01.rom",   0x00000, 0x80000, CRC(e81ffa09) SHA1(01ada9557ead91eb76cf00db118d6c432104a398) )
	ROM_LOAD16_BYTE( "map-00.rom",   0x00001, 0x80000, CRC(8c879cfe) SHA1(a53ef7811f14a8b105749b1cf29fe8a3a33bab5e) )

	ROM_REGION( 0x20000, "oki", 0 ) /* Oki samples */
	ROM_LOAD( "hl03-.j15",    0x00000, 0x20000, CRC(01b81da0) SHA1(914802f3206dc59a720af9d57eb2285bc8ba822b) )
ROM_END

ROM_START( tumblepj )
	ROM_REGION( 0x80000, "main", 0 ) /* 68000 code */
	ROM_LOAD16_BYTE("hk00-1.f12", 0x00000, 0x40000, CRC(2d3e4d3d) SHA1(0acc8b93bd49395904dff11c582bdbaccdbd3eef) )
	ROM_LOAD16_BYTE("hk01-1.f13", 0x00001, 0x40000, CRC(56912a00) SHA1(0545f6bff2a0aa2f36adda0f9d73b165387abc3a) )

	ROM_REGION( 0x10000, "audio", 0 ) /* Sound cpu */
	ROM_LOAD( "hl02-.f16",    0x00000, 0x10000, CRC(a5cab888) SHA1(622f6adb01e31b8f3adbaed2b9900b54c5922c57) )

	ROM_REGION( 0x080000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "map-02.rom",   0x00000, 0x80000, CRC(dfceaa26) SHA1(83e391ff39efda71e5fa368ac68ba7d6134bac21) )	// encrypted

	ROM_REGION( 0x100000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD16_BYTE( "map-01.rom",   0x00000, 0x80000, CRC(e81ffa09) SHA1(01ada9557ead91eb76cf00db118d6c432104a398) )
	ROM_LOAD16_BYTE( "map-00.rom",   0x00001, 0x80000, CRC(8c879cfe) SHA1(a53ef7811f14a8b105749b1cf29fe8a3a33bab5e) )

	ROM_REGION( 0x20000, "oki", 0 ) /* Oki samples */
	ROM_LOAD( "hl03-.j15",    0x00000, 0x20000, CRC(01b81da0) SHA1(914802f3206dc59a720af9d57eb2285bc8ba822b) )
ROM_END

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

#if TUMBLEP_HACK
void tumblep_patch_code(UINT16 offset)
{
	/* A hack which enables all Dip Switches effects */
	UINT16 *RAM = (UINT16 *)memory_region(machine, "main");
	RAM[(offset + 0)/2] = 0x0240;
	RAM[(offset + 2)/2] = 0xffff;	// andi.w  #$f3ff, D0
}
#endif

static DRIVER_INIT( tumblep )
{
	deco56_decrypt_gfx(machine, "gfx1");

	#if TUMBLEP_HACK
	tumblep_patch_code(0x000132);
	#endif
}

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

GAME( 1991, tumblep,  0,       tumblep,   tumblep,  tumblep,  ROT0, "Data East Corporation", "Tumble Pop (World)", 0 )
GAME( 1991, tumblepj, tumblep, tumblep,   tumblep,  tumblep,  ROT0, "Data East Corporation", "Tumble Pop (Japan)", 0 )
/* for bootlegs and games on similar hardware see tumbleb.c */