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

    Battle Rangers                  (c) 1988 Data East Corporation
    Bloody Wolf                     (c) 1988 Data East USA

    Emulation by Bryan McPhail, mish@tendril.co.uk

    This board is a modified PC-Engine PCB, differences from PC-Engine console:

    Input ports are different (2 dips, 2 joysticks, 1 coin port)
    _Interface_ to palette chip is different, palette data is the same.
    Extra sound chips, and extra processor to drive them.
    Twice as much VRAM.

    Todo:
    - Convert this driver to use proper PC-Engine video.
    - Priority is wrong for the submarine at the end of level 1.
    - There seems to be a bug with a stuck note from the YM2203 FM channel
      at the start of scene 3 and near the ending when your characters are
      flying over a forest in a helicopter.

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

#include "emu.h"
#include "cpu/h6280/h6280.h"
#include "sound/2203intf.h"
#include "sound/msm5205.h"
#include "sound/c6280.h"
#include "includes/battlera.h"


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

static WRITE8_HANDLER( battlera_sound_w )
{
	if (offset == 0)
	{
		soundlatch_w(space,0,data);
		cputag_set_input_line(space->machine(), "audiocpu", 0, HOLD_LINE);
	}
}

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

static WRITE8_HANDLER( control_data_w )
{
	battlera_state *state = space->machine().driver_data<battlera_state>();
	state->m_control_port_select=data;
}

static READ8_HANDLER( control_data_r )
{
	battlera_state *state = space->machine().driver_data<battlera_state>();
	switch (state->m_control_port_select)
	{
		case 0xfe: return input_port_read(space->machine(), "IN0"); /* Player 1 */
		case 0xfd: return input_port_read(space->machine(), "IN1"); /* Player 2 */
		case 0xfb: return input_port_read(space->machine(), "IN2"); /* Coins */
		case 0xf7: return input_port_read(space->machine(), "DSW2"); /* Dip 2 */
		case 0xef: return input_port_read(space->machine(), "DSW1"); /* Dip 1 */
	}

    return 0xff;
}

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

static ADDRESS_MAP_START( battlera_map, AS_PROGRAM, 8 )
	AM_RANGE(0x000000, 0x0fffff) AM_ROM
	AM_RANGE(0x100000, 0x10ffff) AM_READWRITE(HuC6270_debug_r, HuC6270_debug_w) /* Cheat to edit vram data */
	AM_RANGE(0x1e0800, 0x1e0801) AM_WRITE(battlera_sound_w)
	AM_RANGE(0x1e1000, 0x1e13ff) AM_WRITE(battlera_palette_w) AM_BASE_GENERIC(paletteram)
	AM_RANGE(0x1f0000, 0x1f1fff) AM_RAMBANK("bank8") /* Main ram */
	AM_RANGE(0x1fe000, 0x1fe001) AM_READWRITE(HuC6270_register_r, HuC6270_register_w)
	AM_RANGE(0x1fe002, 0x1fe003) AM_WRITE(HuC6270_data_w)
	AM_RANGE(0x1ff000, 0x1ff001) AM_READWRITE(control_data_r, control_data_w)
	AM_RANGE(0x1ff400, 0x1ff403) AM_WRITE(h6280_irq_status_w)
ADDRESS_MAP_END

static ADDRESS_MAP_START( battlera_portmap, AS_IO, 8 )
	AM_RANGE(0x00, 0x01) AM_WRITE(HuC6270_register_w)
	AM_RANGE(0x02, 0x03) AM_WRITE(HuC6270_data_w)
ADDRESS_MAP_END

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


static void battlera_adpcm_int(device_t *device)
{
	battlera_state *state = device->machine().driver_data<battlera_state>();

	msm5205_data_w(device,state->m_msm5205next >> 4);
	state->m_msm5205next <<= 4;

	state->m_toggle = 1 - state->m_toggle;
	if (state->m_toggle)
		cputag_set_input_line(device->machine(), "audiocpu", 1, HOLD_LINE);
}

static WRITE8_HANDLER( battlera_adpcm_data_w )
{
	battlera_state *state = space->machine().driver_data<battlera_state>();
	state->m_msm5205next = data;
}

static WRITE8_DEVICE_HANDLER( battlera_adpcm_reset_w )
{
	msm5205_reset_w(device, 0);
}

static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 )
	AM_RANGE(0x000000, 0x00ffff) AM_ROM
	AM_RANGE(0x040000, 0x040001) AM_DEVWRITE("ymsnd", ym2203_w)
	AM_RANGE(0x080000, 0x080001) AM_WRITE(battlera_adpcm_data_w)
	AM_RANGE(0x1fe800, 0x1fe80f) AM_DEVWRITE("c6280", c6280_w)
	AM_RANGE(0x1f0000, 0x1f1fff) AM_RAMBANK("bank7") /* Main ram */
	AM_RANGE(0x1ff000, 0x1ff001) AM_READ(soundlatch_r) AM_DEVWRITE("msm", battlera_adpcm_reset_w)
	AM_RANGE(0x1ff400, 0x1ff403) AM_WRITE(h6280_irq_status_w)
ADDRESS_MAP_END

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

static INPUT_PORTS_START( battlera )
	PORT_START("IN0")  /* 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_BUTTON3 ) PORT_PLAYER(1)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START("IN1")  /* 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_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )

	PORT_START("IN2")	/* Coins */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )		PORT_DIPLOCATION("SW1:1,2")
	PORT_DIPSETTING(    0x00, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )		PORT_DIPLOCATION("SW1:3,4")
	PORT_DIPSETTING(    0x00, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPUNUSED_DIPLOC( 0x10, 0x10, "SW1:5" )		/* Listed as "Unused" */
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Demo_Sounds ) )	PORT_DIPLOCATION("SW1:6")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPUNUSED_DIPLOC( 0x40, 0x40, "SW1:7" )		/* Listed as "Unused" */
	PORT_DIPUNUSED_DIPLOC( 0x80, 0x80, "SW1:8" )		/* Listed as "Unused" */

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x00, "Infinite (Cheat)")
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:3,4")
	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Hard ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SW2:5")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
	PORT_DIPUNUSED_DIPLOC( 0x20, 0x20, "SW2:6" )		/* Listed as "Unused" */
	PORT_DIPUNUSED_DIPLOC( 0x40, 0x40, "SW2:7" )		/* Listed as "Unused" */
	PORT_DIPUNUSED_DIPLOC( 0x80, 0x80, "SW2:8" )		/* Listed as "Unused" */
INPUT_PORTS_END

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

static const gfx_layout tiles =
{
	8,8,
	4096,
	4,
	{ 16*8, 16*8+8, 0, 8 },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	32*8
};

static const gfx_layout sprites =
{
	16,16,
	1024,
	4,
	{ 96*8, 64*8, 32*8, 0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
	{ 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 },
	128*8
};

static GFXDECODE_START( battlera )
	GFXDECODE_ENTRY( NULL, 0, tiles,       0,  16 ) /* Dynamically modified */
	GFXDECODE_ENTRY( NULL, 0, sprites,   256,  16 ) /* Dynamically modified */
	GFXDECODE_ENTRY( NULL, 0, tiles  ,   256,  16 ) /* Blank tile */
GFXDECODE_END

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

static const msm5205_interface msm5205_config =
{
	battlera_adpcm_int,/* interrupt function */
	MSM5205_S48_4B		/* 8KHz            */
};

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

static const c6280_interface c6280_config =
{
	"audiocpu"
};

static MACHINE_CONFIG_START( battlera, battlera_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", H6280,21477200/3)
	MCFG_CPU_PROGRAM_MAP(battlera_map)
	MCFG_CPU_IO_MAP(battlera_portmap)
	MCFG_TIMER_ADD_SCANLINE("scantimer", battlera_irq, "screen", 0, 1) /* 8 prelines, 232 lines, 16 vblank? */

	MCFG_CPU_ADD("audiocpu", H6280,21477200/3)
	MCFG_CPU_PROGRAM_MAP(sound_map)

	/* 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(32*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 30*8-1)
	MCFG_SCREEN_UPDATE_STATIC(battlera)

	MCFG_GFXDECODE(battlera)
	MCFG_PALETTE_LENGTH(512)

	MCFG_VIDEO_START(battlera)

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

	MCFG_SOUND_ADD("ymsnd", YM2203, 12000000 / 8)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.40)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.40)

	MCFG_SOUND_ADD("msm", MSM5205, 384000)
	MCFG_SOUND_CONFIG(msm5205_config)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.85)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.85)

	MCFG_SOUND_ADD("c6280", C6280, 21477270/6)
	MCFG_SOUND_CONFIG(c6280_config)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.60)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.60)
MACHINE_CONFIG_END

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

ROM_START( battlera )
	ROM_REGION( 0x100000, "maincpu", 0 ) /* Main cpu code */
	ROM_LOAD( "00_e1.bin", 0x00000, 0x10000, CRC(aa1cbe69) SHA1(982530f3202bc7b8d94d2b818873b71f02c0e8de) ) /* ET00 */
	ROM_LOAD( "es01.rom",  0x10000, 0x10000, CRC(9fea3189) SHA1(0692df6df533dfe55f61df8aa0c5c11944ba3ae3) ) /* ET01 */
	ROM_LOAD( "02_e4.bin", 0x20000, 0x10000, CRC(cd72f580) SHA1(43b476c8f554348b02aa9558c0773f47cdb47fe0) ) /* ET02, etc */
	/* Rom sockets 0x30000 - 0x70000 are unused */
	ROM_LOAD( "es05.rom",  0x80000, 0x10000, CRC(551fa331) SHA1(a70c627c572ba1b8029f61eae6eaad9825c56339) )
	ROM_LOAD( "es06.rom",  0x90000, 0x10000, CRC(ab91aac8) SHA1(81d820c8b70281a4a52f7ec75a3c54377011d9d9) )
	ROM_LOAD( "es07.rom",  0xa0000, 0x10000, CRC(8d15a3d0) SHA1(afae081ee5e0de359cae6a7ea8401237c5ab7095) )
	ROM_LOAD( "es08.rom",  0xb0000, 0x10000, CRC(38f06039) SHA1(cc394f161b2c4423cd2da763701ceaad7d27f741) )
	ROM_LOAD( "es09.rom",  0xc0000, 0x10000, CRC(b718c47d) SHA1(1d5b2ec819b0848e5b883373887445a63ebddb06) )
	ROM_LOAD( "es10-1.rom",0xd0000, 0x10000, CRC(d3cddc02) SHA1(d212127a9d7aff384171d79c563f1516c0bd46ae) )
	/* Rom sockets 0xe0000 - 0x100000 are unused */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound CPU */
	ROM_LOAD( "es11.rom",  0x00000, 0x10000, CRC(f5b29c9c) SHA1(44dcdf96f8deb9a29aa9d94a8b9cf91a0ed808d4) )
ROM_END

ROM_START( bldwolf )
	ROM_REGION( 0x100000, "maincpu", 0 ) /* Main cpu code */
	ROM_LOAD( "es00-1.rom", 0x00000, 0x10000, CRC(ff4aa252) SHA1(3c190e49020bb6923abb3f3c2632d3c86443c292) )
	ROM_LOAD( "es01.rom",   0x10000, 0x10000, CRC(9fea3189) SHA1(0692df6df533dfe55f61df8aa0c5c11944ba3ae3) )
	ROM_LOAD( "es02-1.rom", 0x20000, 0x10000, CRC(49792753) SHA1(4f3fb6912607d373fc0c1096ac0a8cc939e33617) )
	/* Rom sockets 0x30000 - 0x70000 are unused */
	ROM_LOAD( "es05.rom",   0x80000, 0x10000, CRC(551fa331) SHA1(a70c627c572ba1b8029f61eae6eaad9825c56339) )
	ROM_LOAD( "es06.rom",   0x90000, 0x10000, CRC(ab91aac8) SHA1(81d820c8b70281a4a52f7ec75a3c54377011d9d9) )
	ROM_LOAD( "es07.rom",   0xa0000, 0x10000, CRC(8d15a3d0) SHA1(afae081ee5e0de359cae6a7ea8401237c5ab7095) )
	ROM_LOAD( "es08.rom",   0xb0000, 0x10000, CRC(38f06039) SHA1(cc394f161b2c4423cd2da763701ceaad7d27f741) )
	ROM_LOAD( "es09.rom",   0xc0000, 0x10000, CRC(b718c47d) SHA1(1d5b2ec819b0848e5b883373887445a63ebddb06) )
	ROM_LOAD( "es10-1.rom", 0xd0000, 0x10000, CRC(d3cddc02) SHA1(d212127a9d7aff384171d79c563f1516c0bd46ae) )
	/* Rom sockets 0xe0000 - 0x100000 are unused */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound CPU */
	ROM_LOAD( "es11.rom",   0x00000, 0x10000, CRC(f5b29c9c) SHA1(44dcdf96f8deb9a29aa9d94a8b9cf91a0ed808d4) )
ROM_END

ROM_START( bldwolfj ) /* note, rom codes are ER not ES even if the content of some roms is identical */
	ROM_REGION( 0x100000, "maincpu", 0 ) /* Main cpu code */
	ROM_LOAD( "er00-.0-0", 0x00000, 0x10000, CRC(3819a14e) SHA1(0222051e0b5ec87a18f2e6e9155034f91898c14f) )
	ROM_LOAD( "er01-.0-1", 0x10000, 0x10000, CRC(763cf206) SHA1(0f1c0f80a6aaad0c987c2ba3fdd01db1f5ceb7e6) )
	ROM_LOAD( "er02-.0-2", 0x20000, 0x10000, CRC(bcad8a0f) SHA1(e7c69d2c894eaedd10ce02f6bceaa43bb060afb9) )
	/* Rom sockets 0x30000 - 0x70000 are unused */
	ROM_LOAD( "er05-.1-0", 0x80000, 0x10000, CRC(551fa331) SHA1(a70c627c572ba1b8029f61eae6eaad9825c56339) )
	ROM_LOAD( "er06-.1-1", 0x90000, 0x10000, CRC(ab91aac8) SHA1(81d820c8b70281a4a52f7ec75a3c54377011d9d9) )
	ROM_LOAD( "er07-.1-2", 0xa0000, 0x10000, CRC(8d15a3d0) SHA1(afae081ee5e0de359cae6a7ea8401237c5ab7095) )
	ROM_LOAD( "er08-.1-3", 0xb0000, 0x10000, CRC(38f06039) SHA1(cc394f161b2c4423cd2da763701ceaad7d27f741) )
	ROM_LOAD( "er09-.1-4", 0xc0000, 0x10000, CRC(b718c47d) SHA1(1d5b2ec819b0848e5b883373887445a63ebddb06) )
	ROM_LOAD( "er10-.1-5", 0xd0000, 0x10000, CRC(d3cddc02) SHA1(d212127a9d7aff384171d79c563f1516c0bd46ae) )
	/* Rom sockets 0xe0000 - 0x100000 are unused */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound CPU */
	ROM_LOAD( "er11-.tpg",   0x00000, 0x10000, CRC(f5b29c9c) SHA1(44dcdf96f8deb9a29aa9d94a8b9cf91a0ed808d4) )
ROM_END



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

GAME( 1988, battlera, 0,        battlera, battlera,  0,   ROT0, "Data East Corporation", "Battle Rangers (World)", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
GAME( 1988, bldwolf,  battlera, battlera, battlera,  0,   ROT0, "Data East USA", "Bloody Wolf (US)", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
GAME( 1988, bldwolfj, battlera, battlera, battlera,  0,   ROT0, "Data East Corporation", "Narazumono Sentoubutai Bloody Wolf (Japan)", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
