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+/***************************************************************************
+
+Taito Dual Screen Games
+=======================
+
+Darius 2 (c) 1989 Taito
+Warrior Blade (c) 1991 Taito
+
+David Graves
+
+(this is based on the F2 driver by Bryan McPhail, Brad Oliver, Andrew Prime,
+Nicola Salmoria. Thanks to Richard Bush and the Raine team, whose open
+source was very helpful in many areas particularly the sprites.)
+
+ *****
+
+The dual screen games operate on hardware with various similarities to
+the Taito F2 system, as they share some custom ics e.g. the TC0100SCN.
+
+For each screen the games have 3 separate layers of graphics: - one
+128x64 tiled scrolling background plane of 8x8 tiles, a similar
+foreground plane, and a 128x32 text plane with character definitions
+held in ram. As well as this, there is a single sprite plane which
+covers both screens. The sprites are 16x16 and are not zoomable.
+
+Writing to the first TC0100SCN "writes through" to the subsidiary one
+so both have identical contents. The only time the second TC0100SCN is
+addressed on its own is during initial memory checks, I think. (?)
+
+Warrior Blade has a slightly different gfx set for the 2nd screen
+because the programmers ran out of scr gfx space (only 0xffff tiles
+can be addressed by the TC0100SCN). In-game while tiles are
+scrolling from one screen to the other it is necessary to have
+identical gfx tiles for both screens. But for static screens (e.g. cut
+scenes between levels) the gfx tiles needn't be the same. By
+exploiting this they squeezed some extra graphics into the game.
+
+There is a single 68000 processor which takes care of everything
+except sound. That is done by a Z80 controlling a YM2610. Sound
+commands are written to the Z80 by the 68000.
+
+
+Tilemaps
+========
+
+TC0100SCN has tilemaps twice as wide as usual. The two BG tilemaps take
+up twice the usual space, $8000 bytes each. The text tilemap takes up
+the usual space, as its height is halved.
+
+The double palette generator (one for each screen) is probably just a
+result of the way the hardware works: they both have the same colors.
+
+
+Dumper's Info
+-------------
+
+Darius II (Dual Screen Old & New JPN Ver.)
+(c)1989 Taito
+J1100204A
+K1100483A
+
+CPU :MC68000P12F(16MHz),Z80A
+Sound :YM2610
+OSC :26.686MHz,16.000MHz
+Other :
+TC0140SYT
+TC0220IOC
+TC0110PCR x2
+TC0100SCN x2
+TC0390LHC-1
+TC0130LNB x8
+
+Warrior Blade (JPN Ver.)
+(c)1991 Taito
+J1100295A
+K1100710A (Label K11J0710A)
+
+CPU :MC68000P12F(16MHz),Z80A
+Sound :YM2610B
+OSC :26.686MHz,16.000MHz
+Other :
+TC0140SYT
+TC0510NIO
+TC0110PCR x2
+TC0100SCN x2
+TC0390LHC-1
+TC0130LNB x8
+
+[The 390LHC/130LNB functions are unknown].
+
+
+Stephh's notes (based on the game M68000 code and some tests) :
+
+1) 'darius2d' and 'drius2do'
+
+ - Region stored at 0x07fffe.w
+ - Sets :
+ * 'darius2d' : region = 0x0001
+ * 'drius2do' : region = 0x0001
+ - Comparison with 'darius2' :
+ * coinage routine at 0x013e3a ('darius2d') or 0x013da4 ('drius2do')
+ * same specific US coinage (4C_3C instead of 4C_1C for coinage)
+ * what used to be an "Invulnerability" Dip Switch in 'darius' is now unused
+ because the code to test it has been removed (not "noped")
+ * different joystick mapping : 2 UDLR joys instead of 2 UDRL joys
+ * same other notes as for 'darius2' (ninjaw.c driver)
+
+
+2) 'warriorb'
+
+ - Region stored at 0x0ffffe.w
+ - Sets :
+ * 'warriorb' : region = 0x0001
+ - Coinage relies on the region (code at 0x002614) :
+ * 0x0001 (Japan) uses TAITO_COINAGE_JAPAN_NEW
+ * 0x0002 (US) uses TAITO_COINAGE_US
+ * 0x0003 (World) uses TAITO_COINAGE_WORLD
+ - Additional Japanese text when region = 0x0001
+ - Notice screen only if region = 0x0001 or region = 0x0002
+ - FBI logo only if region = 0x0002
+ - US version doesn't reset score on continue, other versions do
+
+
+TODO
+====
+
+Unknown sprite bits.
+
+
+Darius 2
+--------
+
+The unpleasant sounds when some big enemies appear are wrong: they
+are meant to create rumbling on a subwoofer in the cabinet, a sort of
+vibration device. They still affect the other channels despite
+filtering above 20Hz.
+
+
+Warriorb
+--------
+
+Colscroll effects?
+
+***************************************************************************/
+
+#include "driver.h"
+#include "taitoipt.h"
+#include "rendlay.h"
+#include "cpu/m68000/m68000.h"
+#include "video/taitoic.h"
+#include "audio/taitosnd.h"
+#include "sound/2610intf.h"
+#include "sound/flt_vol.h"
+
+static MACHINE_START( warriorb );
+static MACHINE_RESET( taito_dualscreen );
+
+VIDEO_START( darius2d );
+VIDEO_START( warriorb );
+VIDEO_UPDATE( warriorb );
+
+
+/***********************************************************
+ SOUND
+***********************************************************/
+
+static INT32 banknum = -1;
+
+static void reset_sound_region(void)
+{
+ memory_set_bankptr( 10, memory_region(REGION_CPU2) + (banknum * 0x4000) + 0x10000 );
+}
+
+static WRITE8_HANDLER( sound_bankswitch_w )
+{
+ banknum = (data - 1) & 7;
+ reset_sound_region();
+}
+
+static WRITE16_HANDLER( warriorb_sound_w )
+{
+ if (offset == 0)
+ taitosound_port_w (0, data & 0xff);
+ else if (offset == 1)
+ taitosound_comm_w (0, data & 0xff);
+}
+
+static READ16_HANDLER( warriorb_sound_r )
+{
+ if (offset == 1)
+ return ((taitosound_comm_r (0) & 0xff));
+ else return 0;
+}
+
+
+static int ninjaw_pandata[4]; /**** sound pan control ****/
+
+static WRITE8_HANDLER( warriorb_pancontrol )
+{
+ offset = offset&3;
+ ninjaw_pandata[offset] = (data<<1) + data; /* original volume*3 */
+
+// popmessage(" pan %02x %02x %02x %02x", ninjaw_pandata[0], ninjaw_pandata[1], ninjaw_pandata[2], ninjaw_pandata[3] );
+
+ flt_volume_set_volume(offset, ninjaw_pandata[offset] / 100.0);
+}
+
+
+
+/***********************************************************
+ MEMORY STRUCTURES
+***********************************************************/
+
+static ADDRESS_MAP_START( darius2d_readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_READ(MRA16_ROM)
+ AM_RANGE(0x100000, 0x10ffff) AM_READ(MRA16_RAM) /* main ram */
+ AM_RANGE(0x200000, 0x213fff) AM_READ(TC0100SCN_word_0_r) /* tilemaps (1st screen) */
+ AM_RANGE(0x220000, 0x22000f) AM_READ(TC0100SCN_ctrl_word_0_r)
+ AM_RANGE(0x240000, 0x253fff) AM_READ(TC0100SCN_word_1_r) /* tilemaps (2nd screen) */
+ AM_RANGE(0x260000, 0x26000f) AM_READ(TC0100SCN_ctrl_word_1_r)
+ AM_RANGE(0x400000, 0x400007) AM_READ(TC0110PCR_word_r) /* palette (1st screen) */
+ AM_RANGE(0x420000, 0x420007) AM_READ(TC0110PCR_word_1_r) /* palette (2nd screen) */
+ AM_RANGE(0x600000, 0x6013ff) AM_READ(MRA16_RAM) /* sprite ram */
+ AM_RANGE(0x800000, 0x80000f) AM_READ(TC0220IOC_halfword_r)
+ AM_RANGE(0x830000, 0x830003) AM_READ(warriorb_sound_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( darius2d_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_WRITE(MWA16_ROM)
+ AM_RANGE(0x100000, 0x10ffff) AM_WRITE(MWA16_RAM)
+ AM_RANGE(0x200000, 0x213fff) AM_WRITE(TC0100SCN_dual_screen_w) /* tilemaps (all screens) */
+ AM_RANGE(0x214000, 0x2141ff) AM_WRITE(MWA16_NOP) /* error in screen clearing code ? */
+ AM_RANGE(0x220000, 0x22000f) AM_WRITE(TC0100SCN_ctrl_word_0_w)
+ AM_RANGE(0x240000, 0x253fff) AM_WRITE(TC0100SCN_word_1_w) /* tilemaps (2nd screen) */
+ AM_RANGE(0x260000, 0x26000f) AM_WRITE(TC0100SCN_ctrl_word_1_w)
+ AM_RANGE(0x400000, 0x400007) AM_WRITE(TC0110PCR_step1_word_w) /* palette (1st screen) */
+ AM_RANGE(0x420000, 0x420007) AM_WRITE(TC0110PCR_step1_word_1_w) /* palette (2nd screen) */
+ AM_RANGE(0x600000, 0x6013ff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
+ AM_RANGE(0x800000, 0x80000f) AM_WRITE(TC0220IOC_halfword_w)
+// AM_RANGE(0x820000, 0x820001) AM_WRITE(MWA16_NOP) // ???
+ AM_RANGE(0x830000, 0x830003) AM_WRITE(warriorb_sound_w)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( warriorb_readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x1fffff) AM_READ(MRA16_ROM)
+ AM_RANGE(0x200000, 0x213fff) AM_READ(MRA16_RAM) /* main ram */
+ AM_RANGE(0x300000, 0x313fff) AM_READ(TC0100SCN_word_0_r) /* tilemaps (1st screen) */
+ AM_RANGE(0x320000, 0x32000f) AM_READ(TC0100SCN_ctrl_word_0_r)
+ AM_RANGE(0x340000, 0x353fff) AM_READ(TC0100SCN_word_1_r) /* tilemaps (2nd screen) */
+ AM_RANGE(0x360000, 0x36000f) AM_READ(TC0100SCN_ctrl_word_1_r)
+ AM_RANGE(0x400000, 0x400007) AM_READ(TC0110PCR_word_r) /* palette (1st screen) */
+ AM_RANGE(0x420000, 0x420007) AM_READ(TC0110PCR_word_1_r) /* palette (2nd screen) */
+ AM_RANGE(0x600000, 0x6013ff) AM_READ(MRA16_RAM) /* sprite ram */
+ AM_RANGE(0x800000, 0x80000f) AM_READ(TC0510NIO_halfword_r)
+ AM_RANGE(0x830000, 0x830003) AM_READ(warriorb_sound_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( warriorb_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x1fffff) AM_WRITE(MWA16_ROM)
+ AM_RANGE(0x200000, 0x213fff) AM_WRITE(MWA16_RAM)
+ AM_RANGE(0x300000, 0x313fff) AM_WRITE(TC0100SCN_dual_screen_w) /* tilemaps (all screens) */
+ AM_RANGE(0x320000, 0x32000f) AM_WRITE(TC0100SCN_ctrl_word_0_w)
+ AM_RANGE(0x340000, 0x353fff) AM_WRITE(TC0100SCN_word_1_w) /* tilemaps (2nd screen) */
+ AM_RANGE(0x360000, 0x36000f) AM_WRITE(TC0100SCN_ctrl_word_1_w)
+ AM_RANGE(0x400000, 0x400007) AM_WRITE(TC0110PCR_step1_word_w) /* palette (1st screen) */
+ AM_RANGE(0x420000, 0x420007) AM_WRITE(TC0110PCR_step1_word_1_w) /* palette (2nd screen) */
+ AM_RANGE(0x600000, 0x6013ff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
+ AM_RANGE(0x800000, 0x80000f) AM_WRITE(TC0510NIO_halfword_w)
+// AM_RANGE(0x820000, 0x820001) AM_WRITE(MWA16_NOP) // ? uses bits 0,2,3
+ AM_RANGE(0x830000, 0x830003) AM_WRITE(warriorb_sound_w)
+ADDRESS_MAP_END
+
+
+/***************************************************************************/
+
+static ADDRESS_MAP_START( z80_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x3fff) AM_READ(MRA8_ROM)
+ AM_RANGE(0x4000, 0x7fff) AM_READ(MRA8_BANK10)
+ AM_RANGE(0xc000, 0xdfff) AM_READ(MRA8_RAM)
+ AM_RANGE(0xe000, 0xe000) AM_READ(YM2610_status_port_0_A_r)
+ AM_RANGE(0xe001, 0xe001) AM_READ(YM2610_read_port_0_r)
+ AM_RANGE(0xe002, 0xe002) AM_READ(YM2610_status_port_0_B_r)
+ AM_RANGE(0xe200, 0xe200) AM_READ(MRA8_NOP)
+ AM_RANGE(0xe201, 0xe201) AM_READ(taitosound_slave_comm_r)
+ AM_RANGE(0xea00, 0xea00) AM_READ(MRA8_NOP)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( z80_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM)
+ AM_RANGE(0xc000, 0xdfff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0xe000, 0xe000) AM_WRITE(YM2610_control_port_0_A_w)
+ AM_RANGE(0xe001, 0xe001) AM_WRITE(YM2610_data_port_0_A_w)
+ AM_RANGE(0xe002, 0xe002) AM_WRITE(YM2610_control_port_0_B_w)
+ AM_RANGE(0xe003, 0xe003) AM_WRITE(YM2610_data_port_0_B_w)
+ AM_RANGE(0xe200, 0xe200) AM_WRITE(taitosound_slave_port_w)
+ AM_RANGE(0xe201, 0xe201) AM_WRITE(taitosound_slave_comm_w)
+ AM_RANGE(0xe400, 0xe403) AM_WRITE(warriorb_pancontrol) /* pan */
+ AM_RANGE(0xee00, 0xee00) AM_WRITE(MWA8_NOP) /* ? */
+ AM_RANGE(0xf000, 0xf000) AM_WRITE(MWA8_NOP) /* ? */
+ AM_RANGE(0xf200, 0xf200) AM_WRITE(sound_bankswitch_w)
+ADDRESS_MAP_END
+
+
+/***********************************************************
+ INPUT PORTS, DIPs
+***********************************************************/
+
+static INPUT_PORTS_START( darius2d )
+ /* 0x800000 -> 0x109e16 ($1e16,A5) and 0x109e1a ($1e1a,A5) */
+ PORT_START_TAG("DSWA")
+ PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:1") /* code at 0x0170f2 ('darius2d') or 0x01705c ('drius2do') */
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, "Auto Fire" ) PORT_DIPLOCATION("SW1:2")
+ PORT_DIPSETTING( 0x02, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x00, "Fast" )
+ TAITO_DSWA_BITS_2_TO_3_LOC(SW1)
+ TAITO_COINAGE_JAPAN_OLD_LOC(SW1)
+
+ /* 0x800002 -> 0x109e18 ($1e18,A5) and 0x109e1c ($1e1c,A5) */
+ PORT_START_TAG("DSWB")
+ TAITO_DIFFICULTY_LOC(SW2)
+ PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:3,4")
+ PORT_DIPSETTING( 0x0c, "every 700k" )
+ PORT_DIPSETTING( 0x08, "every 800k" )
+ PORT_DIPSETTING( 0x04, "every 900k" )
+ PORT_DIPSETTING( 0x00, "every 1000k" )
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:5,6")
+ PORT_DIPSETTING( 0x30, "3" )
+ PORT_DIPSETTING( 0x20, "4" )
+ PORT_DIPSETTING( 0x10, "5" )
+ PORT_DIPSETTING( 0x00, "6" )
+ PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "SW2:7" )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING( 0x00, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Yes ) )
+
+ PORT_START_TAG("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_TILT )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START_TAG("IN1")
+ TAITO_JOY_DUAL_UDLR( 1, 2 )
+
+ PORT_START_TAG("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Freeze") PORT_CODE(KEYCODE_F1)
+ 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_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( warriorb )
+ PORT_INCLUDE(darius2d)
+
+ /* 0x800000 -> 0x202912.b (-$56ee,A5) */
+ PORT_MODIFY("DSWA")
+ PORT_DIPNAME( 0x03, 0x03, "Vitality Recovery" ) PORT_DIPLOCATION("SW1:1,2") /* table at 0x00d508 - 4 * 4 words */
+ PORT_DIPSETTING( 0x02, "Less" )
+ PORT_DIPSETTING( 0x03, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x01, "More" )
+ PORT_DIPSETTING( 0x00, "Most" )
+ TAITO_DSWA_BITS_2_TO_3_LOC(SW1)
+ TAITO_COINAGE_JAPAN_NEW_LOC(SW1)
+
+ /* 0x800002 -> 0x202913.b (-$56ed,A5) */
+ PORT_MODIFY("DSWB")
+ TAITO_DIFFICULTY_LOC(SW2)
+ PORT_DIPNAME( 0x04, 0x04, "Gold Sheep at" ) PORT_DIPLOCATION("SW2:3")
+ PORT_DIPSETTING( 0x04, "50k only" )
+ PORT_DIPSETTING( 0x00, "50k then every 70k" )
+ PORT_DIPNAME( 0x08, 0x08, "Magic Energy Loss" ) PORT_DIPLOCATION("SW2:4") /* code at 0x0587de - when BUTTON3 pressed */
+ PORT_DIPSETTING( 0x08, "Always Player" )
+ PORT_DIPSETTING( 0x00, "Player or Magician" )
+ PORT_DIPNAME( 0x10, 0x10, "Player Starting Strength" ) PORT_DIPLOCATION("SW2:5")
+ PORT_DIPSETTING( 0x10, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x00, "Full" )
+ PORT_DIPNAME( 0x20, 0x20, "Magician appears" ) PORT_DIPLOCATION("SW2:6")
+ PORT_DIPSETTING( 0x20, "When you get a Crystal" )
+ PORT_DIPSETTING( 0x00, "Always" )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SW2:7")
+ PORT_DIPSETTING( 0x00, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Yes ) )
+ PORT_DIPNAME( 0x80, 0x80, "Rounds" ) PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING( 0x80, "Normal (10-14, depends on skill)" )
+ PORT_DIPSETTING( 0x00, "Long (14)" )
+
+ PORT_MODIFY("IN0")
+ /* Japanese version actually doesn't have the third button */
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Button 3 (Cheat)")
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Button 3 (Cheat)")
+INPUT_PORTS_END
+
+
+/***********************************************************
+ GFX DECODING
+***********************************************************/
+
+static const gfx_layout tilelayout =
+{
+ 16,16, /* 16*16 sprites */
+ RGN_FRAC(1,1),
+ 4, /* 4 bits per pixel */
+ { 0, 1, 2, 3 },
+ { 3*4, 2*4, 11*4, 10*4, 1*4, 0*4, 9*4, 8*4, 7*4, 6*4, 15*4, 14*4, 5*4, 4*4, 13*4, 12*4 },
+ { 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64, 8*64, 9*64, 10*64, 11*64, 12*64, 13*64, 14*64, 15*64 },
+ 128*8 /* every sprite takes 128 consecutive bytes */
+};
+
+static const gfx_layout charlayout =
+{
+ 8,8, /* 8*8 characters */
+ RGN_FRAC(1,1),
+ 4, /* 4 bits per pixel */
+ { 0, 1, 2, 3 },
+ { 2*4, 3*4, 0*4, 1*4, 6*4, 7*4, 4*4, 5*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8 /* every sprite takes 32 consecutive bytes */
+};
+
+static GFXDECODE_START( warriorb )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, tilelayout, 0, 256 ) /* sprites */
+ GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 256 ) /* scr tiles (screen 1) */
+ GFXDECODE_ENTRY( REGION_GFX3, 0, charlayout, 0, 256 ) /* scr tiles (screen 2) */
+GFXDECODE_END
+
+
+/**************************************************************
+ YM2610 (SOUND)
+**************************************************************/
+
+/* handler called by the YM2610 emulator when the internal timers cause an IRQ */
+static void irqhandler(int irq)
+{
+ cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
+}
+
+static struct YM2610interface ym2610_interface =
+{
+ irqhandler,
+ REGION_SOUND2, /* Delta-T */
+ REGION_SOUND1 /* ADPCM */
+};
+
+
+/**************************************************************
+ SUBWOOFER (SOUND)
+**************************************************************/
+
+#if 0
+static int subwoofer_sh_start(const sound_config *msound)
+{
+ /* Adjust the lowpass filter of the first three YM2610 channels */
+
+ mixer_set_lowpass_frequency(0,20);
+ mixer_set_lowpass_frequency(1,20);
+ mixer_set_lowpass_frequency(2,20);
+
+ return 0;
+}
+
+static struct CustomSound_interface subwoofer_interface =
+{
+ subwoofer_sh_start,
+ 0, /* none */
+ 0 /* none */
+};
+#endif
+
+
+/***********************************************************
+ MACHINE DRIVERS
+***********************************************************/
+
+static MACHINE_DRIVER_START( darius2d )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000, 12000000) /* 12 MHz ??? (Might well be 16!) */
+ MDRV_CPU_PROGRAM_MAP(darius2d_readmem,darius2d_writemem)
+ MDRV_CPU_VBLANK_INT(irq4_line_hold,1)
+
+ MDRV_CPU_ADD(Z80,16000000/4)
+ /* audio CPU */ /* 4 MHz ? */
+ MDRV_CPU_PROGRAM_MAP(z80_sound_readmem,z80_sound_writemem)
+
+ MDRV_MACHINE_START( warriorb )
+ MDRV_MACHINE_RESET( taito_dualscreen )
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_GFXDECODE(warriorb)
+ MDRV_PALETTE_LENGTH(4096*2)
+ MDRV_DEFAULT_LAYOUT(layout_dualhsxs)
+
+ MDRV_SCREEN_ADD("left", 0x000)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_SCREEN_SIZE(40*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 3*8, 32*8-1)
+
+ MDRV_SCREEN_ADD("right", 0x000)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_SCREEN_SIZE(40*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 3*8, 32*8-1)
+
+ MDRV_VIDEO_START(darius2d)
+ MDRV_VIDEO_UPDATE(warriorb)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_STEREO("left", "right")
+
+ MDRV_SOUND_ADD(YM2610, 16000000/2)
+ MDRV_SOUND_CONFIG(ym2610_interface)
+ MDRV_SOUND_ROUTE(0, "left", 0.25)
+ MDRV_SOUND_ROUTE(0, "right", 0.25)
+ MDRV_SOUND_ROUTE(1, "2610.1.l", 1.0)
+ MDRV_SOUND_ROUTE(1, "2610.1.r", 1.0)
+ MDRV_SOUND_ROUTE(2, "2610.2.l", 1.0)
+ MDRV_SOUND_ROUTE(2, "2610.2.r", 1.0)
+
+ MDRV_SOUND_ADD_TAG("2610.1.l", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.1.r", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.2.l", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.2.r", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 1.0)
+MACHINE_DRIVER_END
+
+
+static MACHINE_DRIVER_START( warriorb )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000, 16000000) /* 16 MHz ? */
+ MDRV_CPU_PROGRAM_MAP(warriorb_readmem,warriorb_writemem)
+ MDRV_CPU_VBLANK_INT(irq4_line_hold,1)
+
+ MDRV_CPU_ADD(Z80,16000000/4)
+ /* audio CPU */ /* 4 MHz ? */
+ MDRV_CPU_PROGRAM_MAP(z80_sound_readmem,z80_sound_writemem)
+
+ MDRV_MACHINE_START( warriorb )
+ MDRV_MACHINE_RESET( taito_dualscreen )
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_GFXDECODE(warriorb)
+ MDRV_PALETTE_LENGTH(4096*2)
+ MDRV_DEFAULT_LAYOUT(layout_dualhsxs)
+
+ MDRV_SCREEN_ADD("left", 0x000)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_SCREEN_SIZE(40*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 2*8, 32*8-1)
+
+ MDRV_SCREEN_ADD("right", 0x000)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_SCREEN_SIZE(40*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 2*8, 32*8-1)
+
+ MDRV_VIDEO_START(warriorb)
+ MDRV_VIDEO_UPDATE(warriorb)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_STEREO("left", "right")
+
+ MDRV_SOUND_ADD(YM2610, 16000000/2)
+ MDRV_SOUND_CONFIG(ym2610_interface)
+ MDRV_SOUND_ROUTE(0, "left", 0.25)
+ MDRV_SOUND_ROUTE(0, "right", 0.25)
+ MDRV_SOUND_ROUTE(1, "2610.1.l", 1.0)
+ MDRV_SOUND_ROUTE(1, "2610.1.r", 1.0)
+ MDRV_SOUND_ROUTE(2, "2610.2.l", 1.0)
+ MDRV_SOUND_ROUTE(2, "2610.2.r", 1.0)
+
+ MDRV_SOUND_ADD_TAG("2610.1.l", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.1.r", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.2.l", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 1.0)
+ MDRV_SOUND_ADD_TAG("2610.2.r", FILTER_VOLUME, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 1.0)
+MACHINE_DRIVER_END
+
+
+/***************************************************************************
+ DRIVERS
+***************************************************************************/
+
+ROM_START( darius2d )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 512K for 68000 code */
+ ROM_LOAD16_BYTE( "c07_20-2.74", 0x00000, 0x20000, CRC(a0f345b8) SHA1(1ce46e9707ec9ad51b26acf613eedc0536d227ae) )
+ ROM_LOAD16_BYTE( "c07_19-2.73", 0x00001, 0x20000, CRC(925412c6) SHA1(7f1f62b7b2261c440dccd512ebd3faea141b7c83) )
+ ROM_LOAD16_BYTE( "c07_21-2.76", 0x40000, 0x20000, CRC(bdd60e37) SHA1(777d3f67deba7df0da9d2605b2e2198f4bf47ebc) )
+ ROM_LOAD16_BYTE( "c07_18-2.71", 0x40001, 0x20000, CRC(23fcd89b) SHA1(8aaf4ac836773d9b064ded68a6f092fe9eec7ac2) )
+
+ ROM_LOAD16_WORD_SWAP( "c07-09.75", 0x80000, 0x80000, CRC(cc69c2ce) SHA1(47883b9e14d8b6dd74db221bff396477231938f2) ) /* data rom */
+
+ ROM_REGION( 0x2c000, REGION_CPU2, 0 ) /* sound cpu */
+ ROM_LOAD( "c07-17.69", 0x00000, 0x04000, CRC(ae16c905) SHA1(70ba5aacd8a8e00b94719e3955abad8827c67aa8) )
+ ROM_CONTINUE( 0x10000, 0x1c000 ) /* banked stuff */
+
+ ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "c07-03.12", 0x00000, 0x80000, CRC(189bafce) SHA1(d885e444523489fe24269b90dec58e0d92cfbd6e) ) /* SCR (screen 1) */
+ ROM_LOAD( "c07-04.11", 0x80000, 0x80000, CRC(50421e81) SHA1(27ac420602f1dac00dc32903543a518e6f47fb2f) )
+
+ ROM_REGION( 0x200000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD32_BYTE( "c07-06.27", 0x00000, 0x80000, CRC(5eebbcd6) SHA1(d4d860bf6b099956c45c7273ad77b1d35deba4c1) ) /* OBJ */
+ ROM_LOAD32_BYTE( "c07-05.24", 0x00001, 0x80000, CRC(fb6d0550) SHA1(2d570ff5ef262cb4cb52e8584a7f167263194d37) )
+ ROM_LOAD32_BYTE( "c07-08.25", 0x00002, 0x80000, CRC(a07dc846) SHA1(7199a604fcd693215ddb7670bfb2daf150145fd7) )
+ ROM_LOAD32_BYTE( "c07-07.26", 0x00003, 0x80000, CRC(fd9f9e74) SHA1(e89beb5cac844fe16662465b0c76337692591aae) )
+
+ ROM_REGION( 0x100000, REGION_GFX3, ROMREGION_DISPOSE )
+ ROM_COPY( REGION_GFX1, 0x000000, 0x000000, 0x100000 ) /* SCR (screen 2) */
+
+/* The actual board duplicates the SCR gfx roms for the 2nd TC0100SCN */
+// ROM_LOAD( "c07-03.47", 0x00000, 0x80000, CRC(189bafce) SHA1(d885e444523489fe24269b90dec58e0d92cfbd6e) )
+// ROM_LOAD( "c07-04.48", 0x80000, 0x80000, CRC(50421e81) SHA1(27ac420602f1dac00dc32903543a518e6f47fb2f) )
+
+ ROM_REGION( 0x100000, REGION_SOUND1, 0 ) /* ADPCM samples */
+ ROM_LOAD( "c07-10.95", 0x00000, 0x80000, CRC(4bbe0ed9) SHA1(081b73c4e4d4fa548445e5548573099bcb1e9213) )
+ ROM_LOAD( "c07-11.96", 0x80000, 0x80000, CRC(3c815699) SHA1(0471ff5b0c0da905267f2cee52fd68c8661cccc9) )
+
+ ROM_REGION( 0x080000, REGION_SOUND2, 0 ) /* Delta-T samples */
+ ROM_LOAD( "c07-12.107", 0x00000, 0x80000, CRC(e0b71258) SHA1(0258e308b643d723475824752ebffc4ea29d1ac4) )
+
+ ROM_REGION( 0x001000, REGION_USER1, 0 ) /* unknown roms */
+ ROM_LOAD( "c07-13.37", 0x00000, 0x00400, CRC(3ca18eb3) SHA1(54560f02c2be67993940831222130e90cd171991) )
+ ROM_LOAD( "c07-14.38", 0x00000, 0x00400, CRC(baf2a193) SHA1(b7f103b5f5aab0702dd21fd7e3a82261ae1760e9) )
+
+// Pals, not dumped
+// ROM_LOAD( "C07-15.78", 0x00000, 0x00?00, NO_DUMP )
+// ROM_LOAD( "C07-16.79", 0x00000, 0x00?00, NO_DUMP )
+ROM_END
+
+ROM_START( drius2do )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 512K for 68000 code */
+ ROM_LOAD16_BYTE( "c07_20-1.74", 0x00000, 0x20000, CRC(48b0804a) SHA1(932fb2cd55e6bfef84cf3cfaf3e75b4297a92b34) )
+ ROM_LOAD16_BYTE( "c07_19-1.73", 0x00001, 0x20000, CRC(1f9a4f83) SHA1(d02caef350bdcac0ff771b5c92bb4e7435e0c9fa) )
+ ROM_LOAD16_BYTE( "c07_21-1.76", 0x40000, 0x20000, CRC(b491b0ca) SHA1(dd7aa196c6002abc8e2f885f3f997f2279e59769) )
+ ROM_LOAD16_BYTE( "c07_18-1.71", 0x40001, 0x20000, CRC(c552e42f) SHA1(dc952002a9a738cb1789f7c51acb71693ae03549) )
+
+ ROM_LOAD16_WORD_SWAP( "c07-09.75", 0x80000, 0x80000, CRC(cc69c2ce) SHA1(47883b9e14d8b6dd74db221bff396477231938f2) ) /* data rom */
+
+ ROM_REGION( 0x2c000, REGION_CPU2, 0 ) /* sound cpu */
+ ROM_LOAD( "c07-17.69", 0x00000, 0x04000, CRC(ae16c905) SHA1(70ba5aacd8a8e00b94719e3955abad8827c67aa8) )
+ ROM_CONTINUE( 0x10000, 0x1c000 ) /* banked stuff */
+
+ ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "c07-03.12", 0x00000, 0x80000, CRC(189bafce) SHA1(d885e444523489fe24269b90dec58e0d92cfbd6e) ) /* SCR (screen 1) */
+ ROM_LOAD( "c07-04.11", 0x80000, 0x80000, CRC(50421e81) SHA1(27ac420602f1dac00dc32903543a518e6f47fb2f) )
+
+ ROM_REGION( 0x200000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD32_BYTE( "c07-06.27", 0x00000, 0x80000, CRC(5eebbcd6) SHA1(d4d860bf6b099956c45c7273ad77b1d35deba4c1) ) /* OBJ */
+ ROM_LOAD32_BYTE( "c07-05.24", 0x00001, 0x80000, CRC(fb6d0550) SHA1(2d570ff5ef262cb4cb52e8584a7f167263194d37) )
+ ROM_LOAD32_BYTE( "c07-08.25", 0x00002, 0x80000, CRC(a07dc846) SHA1(7199a604fcd693215ddb7670bfb2daf150145fd7) )
+ ROM_LOAD32_BYTE( "c07-07.26", 0x00003, 0x80000, CRC(fd9f9e74) SHA1(e89beb5cac844fe16662465b0c76337692591aae) )
+
+ ROM_REGION( 0x100000, REGION_GFX3, ROMREGION_DISPOSE )
+ ROM_COPY( REGION_GFX1, 0x000000, 0x000000, 0x100000 ) /* SCR (screen 2) */
+
+/* The actual board duplicates the SCR gfx roms for the 2nd TC0100SCN */
+// ROM_LOAD( "c07-03.47", 0x00000, 0x80000, CRC(189bafce) SHA1(d885e444523489fe24269b90dec58e0d92cfbd6e) )
+// ROM_LOAD( "c07-04.48", 0x80000, 0x80000, CRC(50421e81) SHA1(27ac420602f1dac00dc32903543a518e6f47fb2f) )
+
+ ROM_REGION( 0x100000, REGION_SOUND1, 0 ) /* ADPCM samples */
+ ROM_LOAD( "c07-10.95", 0x00000, 0x80000, CRC(4bbe0ed9) SHA1(081b73c4e4d4fa548445e5548573099bcb1e9213) )
+ ROM_LOAD( "c07-11.96", 0x80000, 0x80000, CRC(3c815699) SHA1(0471ff5b0c0da905267f2cee52fd68c8661cccc9) )
+
+ ROM_REGION( 0x080000, REGION_SOUND2, 0 ) /* Delta-T samples */
+ ROM_LOAD( "c07-12.107", 0x00000, 0x80000, CRC(e0b71258) SHA1(0258e308b643d723475824752ebffc4ea29d1ac4) )
+
+ ROM_REGION( 0x001000, REGION_USER1, 0 ) /* unknown roms */
+ ROM_LOAD( "c07-13.37", 0x00000, 0x00400, CRC(3ca18eb3) SHA1(54560f02c2be67993940831222130e90cd171991) )
+ ROM_LOAD( "c07-14.38", 0x00000, 0x00400, CRC(baf2a193) SHA1(b7f103b5f5aab0702dd21fd7e3a82261ae1760e9) )
+ROM_END
+
+ROM_START( warriorb )
+ ROM_REGION( 0x200000, REGION_CPU1, 0 ) /* 1024K for 68000 code */
+ ROM_LOAD16_BYTE( "d24_20-1.74", 0x000000, 0x40000, CRC(4452dc25) SHA1(bbb4fbc25a3f263ce2716698cacaca201cb9591b) )
+ ROM_LOAD16_BYTE( "d24_19-1.73", 0x000001, 0x40000, CRC(15c16016) SHA1(5b28834d8d5296c562c90a861c6ccdd46cc3c204) )
+ ROM_LOAD16_BYTE( "d24_21-1.76", 0x080000, 0x40000, CRC(783ef8e1) SHA1(28a43d5231031b2ff3e437c3b6b8604f0d2b521b) )
+ ROM_LOAD16_BYTE( "d24_18-1.71", 0x080001, 0x40000, CRC(4502db60) SHA1(b29c441ab79f753378ea47e7c22924db0cd5eb89) )
+
+ ROM_LOAD16_WORD_SWAP( "d24-09.75", 0x100000, 0x100000, CRC(ece5cc59) SHA1(337db41d5a74fa4202b1be1a672a068ec3b205a8) ) /* data rom */
+ /* Note: Raine wrongly doubles up d24-09 as delta-t samples */
+
+ ROM_REGION( 0x2c000, REGION_CPU2, 0 ) /* sound cpu */
+ ROM_LOAD( "d24_17.69", 0x00000, 0x04000, CRC(e41e4aae) SHA1(9bf40b6e8aa5c6ec62c5d21edbb2214f6550c94f) )
+ ROM_CONTINUE( 0x10000, 0x1c000 ) /* banked stuff */
+
+ ROM_REGION( 0x200000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "d24-02.12", 0x000000, 0x100000, CRC(9f50c271) SHA1(1a1b2ae7cb7785e7f66aa26258a6cd2921a29545) ) /* SCR A, screen 1 */
+ ROM_LOAD( "d24-01.11", 0x100000, 0x100000, CRC(326dcca9) SHA1(1993776d71bca7d6dfc6f84dd9262d0dcae87f69) )
+
+ ROM_REGION( 0x400000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD32_BYTE( "d24-06.27", 0x000000, 0x100000, CRC(918486fe) SHA1(cc9e287221ef33dba77a22975e23b250ba50b758) ) /* OBJ */
+ ROM_LOAD32_BYTE( "d24-03.24", 0x000001, 0x100000, CRC(46db9fd7) SHA1(f08f3c9833d80ce161b06f4ae484c5c79539639c) )
+ ROM_LOAD32_BYTE( "d24-04.25", 0x000002, 0x100000, CRC(148e0493) SHA1(f1cb819830e5bd544b11762784e228b5cb62b7e4) )
+ ROM_LOAD32_BYTE( "d24-05.26", 0x000003, 0x100000, CRC(9f414317) SHA1(204cf47404e5e1085c1108abacd2b79a6cd0f74a) )
+
+ ROM_REGION( 0x200000, REGION_GFX3, ROMREGION_DISPOSE )
+ ROM_LOAD( "d24-07.47", 0x000000, 0x100000, CRC(9f50c271) SHA1(1a1b2ae7cb7785e7f66aa26258a6cd2921a29545) ) /* SCR B, screen 2 */
+ ROM_LOAD( "d24-08.48", 0x100000, 0x100000, CRC(1e6d1528) SHA1(d6843aa67befd7db44f468be16ba2f0efb85d40f) )
+
+ ROM_REGION( 0x300000, REGION_SOUND1, 0 ) /* ADPCM samples */
+ ROM_LOAD( "d24-12.107", 0x000000, 0x100000, CRC(279203a1) SHA1(ed75e811a1f0863c134034457ce2e97372726bdb) )
+ ROM_LOAD( "d24-10.95", 0x100000, 0x100000, CRC(0e0c716d) SHA1(5e2f334dd484678766c5a71196d9bad0ba0fe8d9) )
+ ROM_LOAD( "d24-11.118", 0x200000, 0x100000, CRC(15362573) SHA1(8602c9f24134cac6fe1375fb189b152f0c68aeb7) )
+
+ /* No Delta-T samples */
+
+ ROM_REGION( 0x01000, REGION_USER1, 0 ) /* unknown roms */
+ ROM_LOAD( "d24-13.37", 0x00000, 0x400, CRC(3ca18eb3) SHA1(54560f02c2be67993940831222130e90cd171991) )
+ ROM_LOAD( "d24-14.38", 0x00000, 0x400, CRC(baf2a193) SHA1(b7f103b5f5aab0702dd21fd7e3a82261ae1760e9) )
+// ROM_LOAD( "d24-15.78", 0x00000, 0xa??, NO_DUMP ) /* Pals */
+// ROM_LOAD( "d24-16.79", 0x00000, 0xa??, NO_DUMP )
+ROM_END
+
+
+static MACHINE_START( warriorb )
+{
+ state_save_register_global(banknum);
+ state_save_register_func_postload(reset_sound_region);
+}
+
+static MACHINE_RESET( taito_dualscreen )
+{
+ /**** mixer control enable ****/
+ sound_global_enable( 1 ); /* mixer enabled */
+}
+
+
+/* Working Games */
+
+GAME( 1989, darius2d, darius2, darius2d, darius2d, 0, ROT0, "Taito Corporation", "Darius II (dual screen) (Japan)", 0 )
+GAME( 1989, drius2do, darius2, darius2d, darius2d, 0, ROT0, "Taito Corporation", "Darius II (dual screen) (Japan old version)", 0 )
+GAME( 1991, warriorb, 0, warriorb, warriorb, 0, ROT0, "Taito Corporation", "Warrior Blade - Rastan Saga Episode III (Japan)", 0 )