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author Robbbert <Robbbert@users.noreply.github.com>2019-07-05 18:48:11 +1000
committer Robbbert <Robbbert@users.noreply.github.com>2019-07-05 18:48:11 +1000
commit7ee50ffec7afabd20a027f89e47f11b116301071 (patch)
tree18f878710e8ffeb40aa0438b2150d51c9fbd657c /3rdparty/pugixml/docs/samples/load_error_handling.cpp
parent77edf6327e550ef3b3e929d700748aab274ab891 (diff)
(nw) multi8 : added cassette interface
Diffstat (limited to '3rdparty/pugixml/docs/samples/load_error_handling.cpp')
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/***************************************************************************

    Underfire                           (c) 1993 Taito
    Chase Bombers                       (c) 1994 Taito

    Driver by Bryan McPhail & David Graves.

    Board Info (Underfire):

        TC0470LIN : ?
        TC0480SCP : known tilemap chip
        TC0510NIO : known input chip
        TC0570SPC : must be the object chip (next to spritemap and OBJ roms)
        TC0590PIV : Piv tilemaps
        TC0620SCC : lightgun ??? pivot port ???
        TC0650FDA : palette ? (Slapshot and F3 games also have one)

    M43E0278A
    K1100744A Main Board

    2018 2088           43256    43256   68020-25
    2018 2088           D67-23   D67-17                    93C46
    2018 2088           43256    43256
    2018                D67-18   D67-19                TC0510NIO
    2018
    2018 TC0570 SPC                      43256
                                             43256
     D67-13                              43256  TC0650FDA
              D67-07                            2018
              D67-06
    TC0470LIN D67-05
              D67-04                      43256
    TC0590PIV D67-03    43256    D67-10   43256
                        43256    D67-11
       D67-09    TC0480SCP       D67-12   TC0620SCC
       D67-08

      MB8421
      MB8421   43256             EnsoniqOTIS
               D67-20    D67-01
               43256                             EnsoniqESP-R6
     68000-12  D67-21    D67-02     EnsoniqSuperGlu

               40MHz            16MHz   30.476MHz    68681


    Under Fire combines the sprite system used in Taito Z games with
    the TC0480SCP tilemap chip plus some features from the Taito F3 system.
    It has an extra tilemap chip which is a dead ringer for the TC0100SCN
    (check the inits). Why did Taito give it a different name in this
    incarnation?


    Game misbehaviours
    ------------------

    (i) Sprites on some rounds had sprite/tile priority issues.
    Solved by upping sprite priority while TC0480SCP row zoom is
    enabled - kludge.


    Todo
    ----

    This game needs a fake aim target!

    What does the 0xb00000 area do... alpha blending ??

    What is the unknown hardware at 0x600000... an alternative
    or legacy lightgun hookup?

    Pivot port which may be used for rotation: but not
    seen changing except in game inits. Perhaps only used
    in later levels?


    Gun calibration
    ---------------

    The values below work well (set speed down to 4 so you can enter
    them). They give a little reloading margin all around screen.

    Use X=0x2000  Y=0x100 for top center
    Use X=0x3740  (same Y) top left
    Use X=0x8c0   (same Y) top right
    Then for the points from left to right near bottom (all Y=0x3400):
    X=0x3f00,0x3740,0x2f80,0x27c0,0x2000,0x1840,0x1080,0x8c0,0x100


Code documentation
------------------

$17b6e2: loop which keeps displaying the trail of aim dots in test mode

$181826: routine which calls subs to derive aim coords for P1 and P2 and
pokes them in the game's internal sprite table format into RAM - along
with the nine blue "flag point" sprites on the calibration screen
which seem to have fixed coordinates. [It also refreshes some green
text on screen - the calls to $1bfa.]

$18141a sub appears to be doing all the calculations - including an
indirected subroutine so there may be quite a lot of possible code.
It is called with parameter of 1 for player 2 (and 0 for player 1).

$1821c8 sub is called just after - this is simpler and seems to be
copying the calculation results (modified slightly by 3 pixels in each
direction - to adjust for size of aim sprite?) into the table in ram.

(Subsequently a standard conversion routine turns the table on the fly
into dwords that are actually poked into spriteram. To locate the code
do a watchpoint on the first sprite in spriteram - the P1 aim point.)

In-game: $18141a is called 3 times when you hit fire - 3 bullets - and
once when you hit shotgun. Like Spacegun it is only doing the aim
calculations when it needs to, so to provide an artificial target we
need to reproduce the $18141a calculations.


Info (Chase Bombers)

Chase Bombers
Taito, 1994

Runs on hardware similar to Ground Effects


PCB Layout
----------

MAIN PCB-D
K1100809A
J1100342A
|----------------------------------------------------------------------------------------------|
|           C5                              C6                             SMC_COM20020  LANOUT|
| 68EC020   61256     68EC000  61256            68EC000      61256      MB8421                 |
|           61256              61256                         61256                       LANIN |
|           61256                     61256                  PAL                               |
|           61256    PAL              61256                  PAL                               |
|                    PAL                                     PAL        MB8421                 |
|                    40MHz                                                                     |
|                                                                  MC68681                     |
|                                           TC511664-80     MB3771                             |
|                                                                                            P1|
|  MACH120   MACH120                                                                           |
|                                     ENSONIQ         30.4761MHz  16MHz   ADC0809              |
|                                     ESP-R6                                                   |
|                                                       ENSONIQ                                |
|                                     ENSONIQ           5701     DSW1(8)  TC0510NIO            |
|                                     OTIS-R2                                                 Z|
|                                                         93C46                                |
|           C3                              C4                                                 |
|                                                                                              |
|  61256                                                                                     |-|
|  61256                                                                                     |
|                                                                                            |-|
|                TC0480SCP        TC0620SCC           TC0360PRI                                |
|                                                                                              |
|                                                                                TC0650FDA     |
|  2018                                                                  61256                 |
|                                                                        61256                 |
|  2018     2088             61256                                       61256                G|
|                            61256                    TC0580PIV                                |
|  2018     2088                                                                               |
|                                                                                              |
|  2018                                                             TL074    TL074   TDA1543   |
|           TC0570SPC         TC0470LIN               514256  514256                           |
|  2018                                               514256  514256        TA8221   TD62064 |-|
|                                                     514256  514256                 TD62064 |
|  2018                                                               MB87078        TD62064 |-|
|           C1                              C2                                                 |
|----------------------------------------------------------------------------------------------|
Notes:
      ROM board plugs into C* connectors
      No clocks for now, PCB has light corrosion and will need extensive cleaning before it can be powered up.

ROM Board
---------

PCB Numbers - ROM.PCB
              K9100508A
              J9100367A

Board contains only 29 ROMs and not much else.



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

#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "video/taitoic.h"
#include "machine/eeprom.h"
#include "sound/es5506.h"
#include "audio/taito_en.h"
#include "includes/undrfire.h"

#include "cbombers.lh"



/***********************************************************
                COLOR RAM

Extract a standard version of this
("taito_8bpg_palette_word_w"?) to Taitoic.c ?
***********************************************************/

WRITE32_MEMBER(undrfire_state::color_ram_w)
{
	int a,r,g,b;
	COMBINE_DATA(&m_generic_paletteram_32[offset]);

	{
		a = m_generic_paletteram_32[offset];
		r = (a & 0xff0000) >> 16;
		g = (a & 0xff00) >> 8;
		b = (a & 0xff);

		palette_set_color(machine(),offset,MAKE_RGB(r,g,b));
	}
}


/***********************************************************
                INTERRUPTS
***********************************************************/

static TIMER_CALLBACK( interrupt5 )
{
	cputag_set_input_line(machine, "maincpu", 5, HOLD_LINE);
}


/**********************************************************
                EPROM
**********************************************************/

static const eeprom_interface undrfire_eeprom_interface =
{
	6,				/* address bits */
	16,				/* data bits */
	"0110",			/* read command */
	"0101",			/* write command */
	"0111",			/* erase command */
	"0100000000",	/* unlock command */
	"0100110000",	/* lock command */
};


/**********************************************************
            GAME INPUTS
**********************************************************/

CUSTOM_INPUT_MEMBER(undrfire_state::frame_counter_r)
{
	return m_frame_counter;
}

READ32_MEMBER(undrfire_state::undrfire_input_r)
{
	switch (offset)
	{
		case 0x00:
		{
			return input_port_read(machine(), "INPUTS");
		}

		case 0x01:
		{
			return input_port_read(machine(), "SYSTEM") | (m_coin_word << 16);
		}
	}

	return 0xffffffff;
}

WRITE32_MEMBER(undrfire_state::undrfire_input_w)
{
	switch (offset)
	{
		case 0x00:
		{
			if (ACCESSING_BITS_24_31)	/* $500000 is watchdog */
			{
				machine().watchdog_reset();
			}

			if (ACCESSING_BITS_0_7)
			{
				eeprom_device *eeprom = machine().device<eeprom_device>("eeprom");
				eeprom->set_clock_line((data & 0x20) ? ASSERT_LINE : CLEAR_LINE);
				eeprom->write_bit(data & 0x40);
				eeprom->set_cs_line((data & 0x10) ? CLEAR_LINE : ASSERT_LINE);
				return;
			}

			return;
		}

		case 0x01:
		{
			if (ACCESSING_BITS_24_31)
			{
				coin_lockout_w(machine(), 0,~data & 0x01000000);
				coin_lockout_w(machine(), 1,~data & 0x02000000);
				coin_counter_w(machine(), 0, data & 0x04000000);
				coin_counter_w(machine(), 1, data & 0x08000000);
				m_coin_word = (data >> 16) &0xffff;
			}
		}
	}
}


READ16_MEMBER(undrfire_state::shared_ram_r)
{
	if ((offset&1)==0) return (m_shared_ram[offset/2]&0xffff0000)>>16;
	return (m_shared_ram[offset/2]&0x0000ffff);
}

WRITE16_MEMBER(undrfire_state::shared_ram_w)
{
	if ((offset&1)==0) {
		if (ACCESSING_BITS_8_15)
			m_shared_ram[offset/2]=(m_shared_ram[offset/2]&0x00ffffff)|((data&0xff00)<<16);
		if (ACCESSING_BITS_0_7)
			m_shared_ram[offset/2]=(m_shared_ram[offset/2]&0xff00ffff)|((data&0x00ff)<<16);
	} else {
		if (ACCESSING_BITS_8_15)
			m_shared_ram[offset/2]=(m_shared_ram[offset/2]&0xffff00ff)|((data&0xff00)<< 0);
		if (ACCESSING_BITS_0_7)
			m_shared_ram[offset/2]=(m_shared_ram[offset/2]&0xffffff00)|((data&0x00ff)<< 0);
	}
}



/* Some unknown hardware byte mapped at $600002-5 */

READ32_MEMBER(undrfire_state::unknown_hardware_r)
{
	switch (offset)	/* four single bytes are read in sequence at $156e */
	{
		case 0x00:	/* $600002-3 */
		{
			return 0xffff;	// no idea what they should be
		}

		case 0x01:	/* $600004-5 */
		{
			return 0xffff0000;	// no idea what they should be
		}
	}

	return 0x0;
}


WRITE32_MEMBER(undrfire_state::unknown_int_req_w)
{
	/* 10000 cycle delay is arbitrary */
	machine().scheduler().timer_set(downcast<cpu_device *>(&space.device())->cycles_to_attotime(10000), FUNC(interrupt5));
}


READ32_MEMBER(undrfire_state::undrfire_lightgun_r)
{
	int x,y;

	switch (offset)
	{
		/* NB we are raising the raw inputs by an arbitrary amount,
           but presumably the guns on the original will not have had
           full 0-0xffff travel. We don't center around 0x8000... but
           who knows if the real machine does. */

		case 0x00:	/* P1 */
		{
			x = input_port_read(machine(), "GUNX1") << 6;
			y = input_port_read(machine(), "GUNY1") << 6;

			return ((x << 24) &0xff000000) | ((x << 8) &0xff0000)
				 | ((y << 8) &0xff00) | ((y >> 8) &0xff) ;
		}

		case 0x01:	/* P2 */
		{
			x = input_port_read(machine(), "GUNX2") << 6;
			y = input_port_read(machine(), "GUNY2") << 6;

			return ((x << 24) &0xff000000) | ((x << 8) &0xff0000)
				 | ((y << 8) &0xff00) | ((y >> 8) &0xff) ;
		}
	}

logerror("CPU #0 PC %06x: warning - read unmapped lightgun offset %06x\n",cpu_get_pc(&space.device()),offset);

	return 0x0;
}


WRITE32_MEMBER(undrfire_state::rotate_control_w)/* only a guess that it's rotation */
{
	if (ACCESSING_BITS_0_15)
	{
		m_rotate_ctrl[m_port_sel] = data;
		return;
	}

	if (ACCESSING_BITS_16_31)
	{
		m_port_sel = (data &0x70000) >> 16;
	}
}


WRITE32_MEMBER(undrfire_state::motor_control_w)
{
/*
    Standard value poked is 0x00910200 (we ignore lsb and msb
    which seem to be always zero)

    0x0, 0x8000 and 0x9100 are written at startup

    Two bits are written in test mode to this middle word
    to test gun vibration:

    ........ .x......   P1 gun vibration
    ........ x.......   P2 gun vibration
*/

	if (ACCESSING_BITS_8_15)
	{
		output_set_value("P1_lamp_start", (data >> 12) & 1 ); //p1 start
		output_set_value("P2_lamp_start", (data >> 13) & 1 ); //p2 start
		output_set_value("P1_gun_recoil", (data >> 14) & 1 ); //p1 recoil
		output_set_value("P2_gun_recoil", (data >> 15) & 1 ); //p2 recoil
	}
}

WRITE32_MEMBER(undrfire_state::cbombers_cpua_ctrl_w)
{
/*
    ........ ..xxxxxx   Lamp 1-6 enables
    ........ .x......   Vibration
*/
	output_set_value("Lamp_1", data & 1 );
	output_set_value("Lamp_2", (data >> 1) & 1 );
	output_set_value("Lamp_3", (data >> 2) & 1 );
	output_set_value("Lamp_4", (data >> 3) & 1 );
	output_set_value("Lamp_5", (data >> 4) & 1 );
	output_set_value("Lamp_6", (data >> 5) & 1 );
	output_set_value("Wheel_vibration", (data >> 6) & 1 );

	cputag_set_input_line(machine(), "sub", INPUT_LINE_RESET, (data & 0x1000) ? CLEAR_LINE : ASSERT_LINE);
}

READ32_MEMBER(undrfire_state::cbombers_adc_r)
{
	return (input_port_read(machine(), "STEER") << 24);
}

WRITE32_MEMBER(undrfire_state::cbombers_adc_w)
{
	/* One interrupt per input port (4 per frame, though only 2 used).
        1000 cycle delay is arbitrary */
	machine().scheduler().timer_set(downcast<cpu_device *>(&space.device())->cycles_to_attotime(1000), FUNC(interrupt5));
}

/***********************************************************
             MEMORY STRUCTURES
***********************************************************/

static ADDRESS_MAP_START( undrfire_map, AS_PROGRAM, 32, undrfire_state )
	AM_RANGE(0x000000, 0x1fffff) AM_ROM
	AM_RANGE(0x200000, 0x21ffff) AM_RAM AM_SHARE("ram")
	AM_RANGE(0x300000, 0x303fff) AM_RAM AM_SHARE("spriteram")
//  AM_RANGE(0x304000, 0x304003) AM_RAM // debugging - doesn't change ???
//  AM_RANGE(0x304400, 0x304403) AM_RAM // debugging - doesn't change ???
	AM_RANGE(0x400000, 0x400003) AM_WRITE(motor_control_w)		/* gun vibration */
	AM_RANGE(0x500000, 0x500007) AM_READWRITE(undrfire_input_r, undrfire_input_w)		/* eerom etc. */
	AM_RANGE(0x600000, 0x600007) AM_READWRITE(unknown_hardware_r, unknown_int_req_w)	/* int request for unknown hardware */
	AM_RANGE(0x700000, 0x7007ff) AM_RAM AM_SHARE("f3_shared")
	AM_RANGE(0x800000, 0x80ffff) AM_DEVREADWRITE_LEGACY("tc0480scp", tc0480scp_long_r, tc0480scp_long_w)		/* tilemaps */
	AM_RANGE(0x830000, 0x83002f) AM_DEVREADWRITE_LEGACY("tc0480scp", tc0480scp_ctrl_long_r, tc0480scp_ctrl_long_w)
	AM_RANGE(0x900000, 0x90ffff) AM_DEVREADWRITE_LEGACY("tc0100scn", tc0100scn_long_r, tc0100scn_long_w)		/* piv tilemaps */
	AM_RANGE(0x920000, 0x92000f) AM_DEVREADWRITE_LEGACY("tc0100scn", tc0100scn_ctrl_long_r, tc0100scn_ctrl_long_w)
	AM_RANGE(0xa00000, 0xa0ffff) AM_RAM_WRITE(color_ram_w) AM_SHARE("paletteram")
	AM_RANGE(0xb00000, 0xb003ff) AM_RAM							/* single bytes, blending ??? */
	AM_RANGE(0xd00000, 0xd00003) AM_WRITE(rotate_control_w)		/* perhaps port based rotate control? */
	AM_RANGE(0xf00000, 0xf00007) AM_READ(undrfire_lightgun_r)	/* stick coords read at $11b2-bc */
ADDRESS_MAP_END


static ADDRESS_MAP_START( cbombers_cpua_map, AS_PROGRAM, 32, undrfire_state )
	AM_RANGE(0x000000, 0x1fffff) AM_ROM
	AM_RANGE(0x200000, 0x21ffff) AM_RAM
	AM_RANGE(0x300000, 0x303fff) AM_RAM AM_SHARE("spriteram")
	AM_RANGE(0x400000, 0x400003) AM_WRITE(cbombers_cpua_ctrl_w)
	AM_RANGE(0x500000, 0x500007) AM_READWRITE(undrfire_input_r, undrfire_input_w)
	AM_RANGE(0x600000, 0x600007) AM_READWRITE(cbombers_adc_r, cbombers_adc_w)
	AM_RANGE(0x700000, 0x7007ff) AM_RAM AM_SHARE("f3_shared")
	AM_RANGE(0x800000, 0x80ffff) AM_DEVREADWRITE_LEGACY("tc0480scp", tc0480scp_long_r, tc0480scp_long_w)		/* tilemaps */
	AM_RANGE(0x830000, 0x83002f) AM_DEVREADWRITE_LEGACY("tc0480scp", tc0480scp_ctrl_long_r, tc0480scp_ctrl_long_w)
	AM_RANGE(0x900000, 0x90ffff) AM_DEVREADWRITE_LEGACY("tc0100scn", tc0100scn_long_r, tc0100scn_long_w)		/* piv tilemaps */
	AM_RANGE(0x920000, 0x92000f) AM_DEVREADWRITE_LEGACY("tc0100scn", tc0100scn_ctrl_long_r, tc0100scn_ctrl_long_w)
	AM_RANGE(0xa00000, 0xa0ffff) AM_RAM_WRITE(color_ram_w) AM_SHARE("paletteram")
	AM_RANGE(0xb00000, 0xb0000f) AM_RAM /* ? */
	AM_RANGE(0xc00000, 0xc00007) AM_RAM /* LAN controller? */
	AM_RANGE(0xd00000, 0xd00003) AM_WRITE(rotate_control_w)		/* perhaps port based rotate control? */
	AM_RANGE(0xe00000, 0xe0ffff) AM_RAM AM_SHARE("shared_ram")
ADDRESS_MAP_END

static ADDRESS_MAP_START( cbombers_cpub_map, AS_PROGRAM, 16, undrfire_state )
	AM_RANGE(0x000000, 0x03ffff) AM_ROM
	AM_RANGE(0x400000, 0x40ffff) AM_RAM	/* local ram */
//  AM_RANGE(0x600000, 0x60ffff) AM_DEVWRITE_LEGACY("tc0480scp", tc0480scp_word_w) /* Only written upon errors */
	AM_RANGE(0x800000, 0x80ffff) AM_READWRITE(shared_ram_r, shared_ram_w)
//  AM_RANGE(0xa00000, 0xa001ff) AM_RAM /* Extra road control?? */
ADDRESS_MAP_END


/***********************************************************
             INPUT PORTS (dips in eprom)
***********************************************************/

static INPUT_PORTS_START( undrfire )
	PORT_START("INPUTS")
	PORT_BIT( 0x00000001, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, undrfire_state,frame_counter_r, NULL)	/* Frame counter */
	PORT_BIT( 0x00000002, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000004, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000008, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000010, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000020, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000040, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000080, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_device, read_bit)	/* reserved for EEROM */
	PORT_BIT( 0x00000100, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000200, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000400, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000800, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00001000, IP_ACTIVE_LOW,  IPT_START1 )
	PORT_BIT( 0x00002000, IP_ACTIVE_LOW,  IPT_START2 )
	PORT_BIT( 0x00004000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00008000, IP_ACTIVE_LOW,  IPT_UNKNOWN )

	PORT_BIT( 0x00010000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00020000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00040000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00080000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)	/* ? where is freeze input */
	PORT_BIT( 0x00100000, IP_ACTIVE_LOW,  IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x00200000, IP_ACTIVE_LOW,  IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x00400000, IP_ACTIVE_LOW,  IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x00800000, IP_ACTIVE_LOW,  IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x01000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x02000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x04000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x08000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x10000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x20000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x40000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x80000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )

	PORT_START("SYSTEM")
	PORT_SERVICE_NO_TOGGLE(0x01, IP_ACTIVE_LOW)
	PORT_BIT( 0x02, IP_ACTIVE_LOW,  IPT_SERVICE1 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW,  IPT_COIN1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW,  IPT_COIN2 )
	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 )

	/* Gun inputs (real range is 0-0xffff: we use standard 0-255 and shift later) */

	PORT_START("GUNX1")
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, -1.0, 0.0, 0) PORT_SENSITIVITY(20) PORT_KEYDELTA(25) PORT_REVERSE PORT_PLAYER(1)

	PORT_START("GUNY1")
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(20) PORT_KEYDELTA(25) PORT_PLAYER(1)

	PORT_START("GUNX2")
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, -1.0, 0.0, 0) PORT_SENSITIVITY(20) PORT_KEYDELTA(25) PORT_REVERSE PORT_PLAYER(2)

	PORT_START("GUNY2")
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(20) PORT_KEYDELTA(25) PORT_PLAYER(2)

	PORT_START("FAKE")
	PORT_DIPNAME( 0x01, 0x00, "Show gun target" ) PORT_CODE(KEYCODE_F1) PORT_TOGGLE
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Yes ) )
INPUT_PORTS_END



static INPUT_PORTS_START( cbombers )
	PORT_START("INPUTS")
	PORT_BIT( 0x00000001, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, undrfire_state,frame_counter_r, NULL)	/* Frame counter */
	PORT_BIT( 0x00000002, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000004, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000008, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000010, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000020, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000040, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000080, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_device, read_bit)	/* reserved for EEROM */
	PORT_BIT( 0x00000100, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000200, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000400, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00000800, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00001000, IP_ACTIVE_LOW,  IPT_START1 )
	PORT_BIT( 0x00002000, IP_ACTIVE_LOW,  IPT_START2 )
	PORT_BIT( 0x00004000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00008000, IP_ACTIVE_LOW,  IPT_UNKNOWN )

	PORT_BIT( 0x00010000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00020000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00040000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00080000, IP_ACTIVE_HIGH, IPT_BUTTON5 ) /* ? where is freeze input */
	PORT_BIT( 0x00100000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00200000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00400000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x00800000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x01000000, IP_ACTIVE_LOW,  IPT_BUTTON4 ) PORT_NAME("Gear Shift") PORT_TOGGLE
	PORT_BIT( 0x02000000, IP_ACTIVE_LOW,  IPT_BUTTON3 ) PORT_NAME("Nitro")
	PORT_BIT( 0x04000000, IP_ACTIVE_LOW,  IPT_BUTTON1 ) PORT_NAME("Accelerator")
	PORT_BIT( 0x08000000, IP_ACTIVE_LOW,  IPT_BUTTON2 ) PORT_NAME("Brake")
	PORT_BIT( 0x10000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x20000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x40000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )
	PORT_BIT( 0x80000000, IP_ACTIVE_LOW,  IPT_UNKNOWN )

	PORT_START("SYSTEM")
	PORT_SERVICE_NO_TOGGLE(0x01, IP_ACTIVE_LOW)
	PORT_BIT( 0x02, IP_ACTIVE_LOW,  IPT_SERVICE1 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW,  IPT_COIN1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW,  IPT_COIN2 )
	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("STEER")	/* IN 3, steering wheel */
	PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_X ) PORT_SENSITIVITY(25) PORT_KEYDELTA(15) PORT_REVERSE PORT_PLAYER(1)
INPUT_PORTS_END


/**********************************************************
                GFX DECODING
**********************************************************/

static const gfx_layout tile16x16_layout =
{
	16,16,	/* 16*16 sprites */
	RGN_FRAC(1,2),
	5,	/* 5 bits per pixel */
	{ RGN_FRAC(1,2), 0, 8, 16, 24 },
	{ 32, 33, 34, 35, 36, 37, 38, 39, 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 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 },
	64*16	/* every sprite takes 128 consecutive bytes */
};

static const gfx_layout charlayout =
{
	16,16,    /* 16*16 characters */
	RGN_FRAC(1,1),
	4,        /* 4 bits per pixel */
	{ 0, 1, 2, 3 },
	{ 1*4, 0*4, 5*4, 4*4, 3*4, 2*4, 7*4, 6*4, 9*4, 8*4, 13*4, 12*4, 11*4, 10*4, 15*4, 14*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 pivlayout =
{
	8,8,    /* 8*8 characters */
	RGN_FRAC(1,2),
	6,      /* 4 bits per pixel */
	{ RGN_FRAC(1,2), RGN_FRAC(1,2)+1, 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( undrfire )
	GFXDECODE_ENTRY( "gfx2", 0x0, tile16x16_layout,  0, 512 )
	GFXDECODE_ENTRY( "gfx1", 0x0, charlayout,        0, 512 )
	GFXDECODE_ENTRY( "gfx3", 0x0, pivlayout,         0, 512 )
GFXDECODE_END

static GFXDECODE_START( cbombers )
	GFXDECODE_ENTRY( "gfx2", 0x0, tile16x16_layout,  0, 512 )
	GFXDECODE_ENTRY( "gfx1", 0x0, charlayout,        0x1000, 512 )
	GFXDECODE_ENTRY( "gfx3", 0x0, pivlayout,         0, 512 )
GFXDECODE_END

/***********************************************************
                 MACHINE DRIVERS
***********************************************************/

static INTERRUPT_GEN( undrfire_interrupt )
{
	undrfire_state *state = device->machine().driver_data<undrfire_state>();
	state->m_frame_counter ^= 1;
	device_set_input_line(device, 4, HOLD_LINE);
}

static const tc0100scn_interface undrfire_tc0100scn_intf =
{
	"screen",
	2, 3,		/* gfxnum, txnum */
	50, 8,		/* x_offset, y_offset */
	0, 0,		/* flip_xoff, flip_yoff */
	0, 0,		/* flip_text_xoff, flip_text_yoff */
	0, 0
};

static const tc0480scp_interface undrfire_tc0480scp_intf =
{
	1, 4,		/* gfxnum, txnum */
	0,		/* pixels */
	0x24, 0,		/* x_offset, y_offset */
	-1, 0,		/* text_xoff, text_yoff */
	0, 0,		/* flip_xoff, flip_yoff */
	0		/* col_base */
};

static MACHINE_CONFIG_START( undrfire, undrfire_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", M68EC020, 16000000)	/* 16 MHz */
	MCFG_CPU_PROGRAM_MAP(undrfire_map)
	MCFG_CPU_VBLANK_INT("screen", undrfire_interrupt)

	MCFG_EEPROM_ADD("eeprom", undrfire_eeprom_interface)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(40*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0, 40*8-1, 3*8, 32*8-1)
	MCFG_SCREEN_UPDATE_STATIC(undrfire)

	MCFG_GFXDECODE(undrfire)
	MCFG_PALETTE_LENGTH(16384)

	MCFG_VIDEO_START(undrfire)

	MCFG_TC0100SCN_ADD("tc0100scn", undrfire_tc0100scn_intf)
	MCFG_TC0480SCP_ADD("tc0480scp", undrfire_tc0480scp_intf)

	/* sound hardware */
	MCFG_FRAGMENT_ADD(taito_f3_sound)
MACHINE_CONFIG_END


static MACHINE_CONFIG_START( cbombers, undrfire_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", M68EC020, 16000000)	/* 16 MHz */
	MCFG_CPU_PROGRAM_MAP(cbombers_cpua_map)
	MCFG_CPU_VBLANK_INT("screen", irq4_line_hold)

	MCFG_CPU_ADD("sub", M68000, 16000000)	/* 16 MHz */
	MCFG_CPU_PROGRAM_MAP(cbombers_cpub_map)
	MCFG_CPU_VBLANK_INT("screen", irq4_line_hold)

	MCFG_QUANTUM_TIME(attotime::from_hz(480))	/* CPU slices - Need to interleave Cpu's 1 & 3 */

	MCFG_EEPROM_ADD("eeprom", undrfire_eeprom_interface)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(40*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0, 40*8-1, 3*8, 32*8-1)
	MCFG_SCREEN_UPDATE_STATIC(cbombers)

	MCFG_GFXDECODE(cbombers)
	MCFG_PALETTE_LENGTH(16384)

	MCFG_VIDEO_START(undrfire)

	MCFG_TC0100SCN_ADD("tc0100scn", undrfire_tc0100scn_intf)
	MCFG_TC0480SCP_ADD("tc0480scp", undrfire_tc0480scp_intf)

	/* sound hardware */
	MCFG_FRAGMENT_ADD(taito_f3_sound)
MACHINE_CONFIG_END


/***************************************************************************
                    DRIVERS
***************************************************************************/

ROM_START( undrfire )
	ROM_REGION( 0x200000, "maincpu", 0 )	/* 2048K for 68020 code (CPU A) */
	ROM_LOAD32_BYTE( "d67-19", 0x00000, 0x80000, CRC(1d88fa5a) SHA1(5e498efb9535a8f4e82b5525390b8bde7c45c07e) )
	ROM_LOAD32_BYTE( "d67-18", 0x00001, 0x80000, CRC(f41ae7fd) SHA1(bdd0df01b11205c263d2fa280746826b831d58bc) )
	ROM_LOAD32_BYTE( "d67-17", 0x00002, 0x80000, CRC(34e030b7) SHA1(62c270c817199a56e647ea74849fe5c07717ac18) )
	ROM_LOAD32_BYTE( "d67-23", 0x00003, 0x80000, CRC(28e84e0a) SHA1(74c73c6df07d33ef4c0a29f8c1ee1a33eee922da) )

	ROM_REGION( 0x140000, "audiocpu", 0 )
	ROM_LOAD16_BYTE( "d67-20", 0x100000, 0x20000,  CRC(974ebf69) SHA1(8a5de503c514bf0da0c956e2dfdf0cfb83ea1f72) )
	ROM_LOAD16_BYTE( "d67-21", 0x100001, 0x20000,  CRC(8fc6046f) SHA1(28522ce5c5900f74d3faa86710256a7201b32500) )

	ROM_REGION( 0x400000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "d67-08", 0x000000, 0x200000, CRC(56730d44) SHA1(110872714b3c26a82473c7b80c120918b91b1b4b) )	/* SCR 16x16 tiles */
	ROM_LOAD16_BYTE( "d67-09", 0x000001, 0x200000, CRC(3c19f9e3) SHA1(7ba8475d37cbf8bf38029124afdf62c915c8668d) )

	ROM_REGION( 0x1000000, "gfx2", 0 )
	ROM_LOAD32_BYTE( "d67-03", 0x000003, 0x200000, CRC(3b6e99a9) SHA1(1e0e66763ddfa18a2d291626b245633555092959) )	/* OBJ 16x16 tiles */
	ROM_LOAD32_BYTE( "d67-04", 0x000002, 0x200000, CRC(8f2934c9) SHA1(ead95b34eec3a6df27199edcbdd5595bc6555a50) )
	ROM_LOAD32_BYTE( "d67-05", 0x000001, 0x200000, CRC(e2e7dcf3) SHA1(185dbd0489931123a295139dc0a045ad239018fb) )
	ROM_LOAD32_BYTE( "d67-06", 0x000000, 0x200000, CRC(a2a63488) SHA1(a1ed140cc3757c3c05a0a822089c6efc83bf4805) )
	ROM_LOAD32_BYTE( "d67-07", 0x800000, 0x200000, CRC(189c0ee5) SHA1(de85b39dc67f31ef80800ff6ec9a391652eb12e4) )

	ROM_REGION( 0x400000, "gfx3", 0 )
	ROM_LOAD16_BYTE( "d67-10", 0x000000, 0x100000, CRC(d79e6ce9) SHA1(8b38302971816d599cdaa3279cb6395441373c6f) )	/* PIV 8x8 tiles, 6bpp */
	ROM_LOAD16_BYTE( "d67-11", 0x000001, 0x100000, CRC(7a401bb3) SHA1(47257a6a4b37ec1ceb4e974b776ee3ea30db06fa) )
	ROM_LOAD       ( "d67-12", 0x300000, 0x100000, CRC(67b16fec) SHA1(af0f9f50516331780ef6cfab1e12a23edf87daa7) )
	ROM_FILL       (           0x200000, 0x100000, 0 )

	ROM_REGION16_LE( 0x80000, "user1", 0 )
	ROM_LOAD16_WORD( "d67-13", 0x00000,  0x80000,  CRC(42e7690d) SHA1(5f00f3f814653733bf9a5cb010675799de02fa76) )	/* STY, spritemap */

	ROM_REGION16_BE( 0x1000000, "ensoniq.0", ROMREGION_ERASE00 )
	ROM_LOAD16_BYTE( "d67-01", 0x000000, 0x200000, CRC(a2f18122) SHA1(640014c6e6d66c59fe0accf370ad3bab9f40429a) )	/* Ensoniq samples */
	ROM_LOAD16_BYTE( "d67-02", 0xc00000, 0x200000, CRC(fceb715e) SHA1(9326513acb0696669d4f2345649ab37c8c6ed171) )

	ROM_REGION16_BE( 0x80, "eeprom", 0 )
	ROM_LOAD( "eeprom-undrfire.bin", 0x0000, 0x0080, CRC(9f7368f4) SHA1(4bb28e6eb3a72a06341199f0d744ed0ce13bce2c) )
ROM_END


ROM_START( undrfireu )
	ROM_REGION( 0x200000, "maincpu", 0 )	/* 2048K for 68020 code (CPU A) */
	ROM_LOAD32_BYTE( "d67-19", 0x00000, 0x80000, CRC(1d88fa5a) SHA1(5e498efb9535a8f4e82b5525390b8bde7c45c07e) )
	ROM_LOAD32_BYTE( "d67-18", 0x00001, 0x80000, CRC(f41ae7fd) SHA1(bdd0df01b11205c263d2fa280746826b831d58bc) )
	ROM_LOAD32_BYTE( "d67-17", 0x00002, 0x80000, CRC(34e030b7) SHA1(62c270c817199a56e647ea74849fe5c07717ac18) )
	ROM_LOAD32_BYTE( "d67-22", 0x00003, 0x80000, CRC(5fef7e9c) SHA1(03a6ea0715ce8705d74550186b22940f8a49c088) )

	ROM_REGION( 0x140000, "audiocpu", 0 )
	ROM_LOAD16_BYTE( "d67-20", 0x100000, 0x20000,  CRC(974ebf69) SHA1(8a5de503c514bf0da0c956e2dfdf0cfb83ea1f72) )
	ROM_LOAD16_BYTE( "d67-21", 0x100001, 0x20000,  CRC(8fc6046f) SHA1(28522ce5c5900f74d3faa86710256a7201b32500) )

	ROM_REGION( 0x400000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "d67-08", 0x000000, 0x200000, CRC(56730d44) SHA1(110872714b3c26a82473c7b80c120918b91b1b4b) )	/* SCR 16x16 tiles */
	ROM_LOAD16_BYTE( "d67-09", 0x000001, 0x200000, CRC(3c19f9e3) SHA1(7ba8475d37cbf8bf38029124afdf62c915c8668d) )

	ROM_REGION( 0x1000000, "gfx2", 0 )
	ROM_LOAD32_BYTE( "d67-03", 0x000003, 0x200000, CRC(3b6e99a9) SHA1(1e0e66763ddfa18a2d291626b245633555092959) )	/* OBJ 16x16 tiles */
	ROM_LOAD32_BYTE( "d67-04", 0x000002, 0x200000, CRC(8f2934c9) SHA1(ead95b34eec3a6df27199edcbdd5595bc6555a50) )
	ROM_LOAD32_BYTE( "d67-05", 0x000001, 0x200000, CRC(e2e7dcf3) SHA1(185dbd0489931123a295139dc0a045ad239018fb) )
	ROM_LOAD32_BYTE( "d67-06", 0x000000, 0x200000, CRC(a2a63488) SHA1(a1ed140cc3757c3c05a0a822089c6efc83bf4805) )
	ROM_LOAD32_BYTE( "d67-07", 0x800000, 0x200000, CRC(189c0ee5) SHA1(de85b39dc67f31ef80800ff6ec9a391652eb12e4) )

	ROM_REGION( 0x400000, "gfx3", 0 )
	ROM_LOAD16_BYTE( "d67-10", 0x000000, 0x100000, CRC(d79e6ce9) SHA1(8b38302971816d599cdaa3279cb6395441373c6f) )	/* PIV 8x8 tiles, 6bpp */
	ROM_LOAD16_BYTE( "d67-11", 0x000001, 0x100000, CRC(7a401bb3) SHA1(47257a6a4b37ec1ceb4e974b776ee3ea30db06fa) )
	ROM_LOAD       ( "d67-12", 0x300000, 0x100000, CRC(67b16fec) SHA1(af0f9f50516331780ef6cfab1e12a23edf87daa7) )
	ROM_FILL       (           0x200000, 0x100000, 0 )

	ROM_REGION16_LE( 0x80000, "user1", 0 )
	ROM_LOAD16_WORD( "d67-13", 0x00000,  0x80000,  CRC(42e7690d) SHA1(5f00f3f814653733bf9a5cb010675799de02fa76) )	/* STY, spritemap */

	ROM_REGION16_BE( 0x1000000, "ensoniq.0", ROMREGION_ERASE00 )
	ROM_LOAD16_BYTE( "d67-01", 0x000000, 0x200000, CRC(a2f18122) SHA1(640014c6e6d66c59fe0accf370ad3bab9f40429a) )	/* Ensoniq samples */
	ROM_LOAD16_BYTE( "d67-02", 0xc00000, 0x200000, CRC(fceb715e) SHA1(9326513acb0696669d4f2345649ab37c8c6ed171) )

	ROM_REGION16_BE( 0x80, "eeprom", 0 )
	ROM_LOAD( "eeprom-undrfire.bin", 0x0000, 0x0080, CRC(9f7368f4) SHA1(4bb28e6eb3a72a06341199f0d744ed0ce13bce2c) )
ROM_END

ROM_START( undrfirej )
	ROM_REGION( 0x200000, "maincpu", 0 )	/* 2048K for 68020 code (CPU A) */
	ROM_LOAD32_BYTE( "d67-19", 0x00000, 0x80000, CRC(1d88fa5a) SHA1(5e498efb9535a8f4e82b5525390b8bde7c45c07e) )
	ROM_LOAD32_BYTE( "d67-18", 0x00001, 0x80000, CRC(f41ae7fd) SHA1(bdd0df01b11205c263d2fa280746826b831d58bc) )
	ROM_LOAD32_BYTE( "d67-17", 0x00002, 0x80000, CRC(34e030b7) SHA1(62c270c817199a56e647ea74849fe5c07717ac18) )
	ROM_LOAD32_BYTE( "d67-16", 0x00003, 0x80000, CRC(c6e62f26) SHA1(6a430916f829a4b0240ccf8477dcbb1f39a26e90) )

	ROM_REGION( 0x140000, "audiocpu", 0 )
	ROM_LOAD16_BYTE( "d67-20", 0x100000, 0x20000,  CRC(974ebf69) SHA1(8a5de503c514bf0da0c956e2dfdf0cfb83ea1f72) )
	ROM_LOAD16_BYTE( "d67-21", 0x100001, 0x20000,  CRC(8fc6046f) SHA1(28522ce5c5900f74d3faa86710256a7201b32500) )

	ROM_REGION( 0x400000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "d67-08", 0x000000, 0x200000, CRC(56730d44) SHA1(110872714b3c26a82473c7b80c120918b91b1b4b) )	/* SCR 16x16 tiles */
	ROM_LOAD16_BYTE( "d67-09", 0x000001, 0x200000, CRC(3c19f9e3) SHA1(7ba8475d37cbf8bf38029124afdf62c915c8668d) )

	ROM_REGION( 0x1000000, "gfx2", 0 )
	ROM_LOAD32_BYTE( "d67-03", 0x000003, 0x200000, CRC(3b6e99a9) SHA1(1e0e66763ddfa18a2d291626b245633555092959) )	/* OBJ 16x16 tiles */
	ROM_LOAD32_BYTE( "d67-04", 0x000002, 0x200000, CRC(8f2934c9) SHA1(ead95b34eec3a6df27199edcbdd5595bc6555a50) )
	ROM_LOAD32_BYTE( "d67-05", 0x000001, 0x200000, CRC(e2e7dcf3) SHA1(185dbd0489931123a295139dc0a045ad239018fb) )
	ROM_LOAD32_BYTE( "d67-06", 0x000000, 0x200000, CRC(a2a63488) SHA1(a1ed140cc3757c3c05a0a822089c6efc83bf4805) )
	ROM_LOAD32_BYTE( "d67-07", 0x800000, 0x200000, CRC(189c0ee5) SHA1(de85b39dc67f31ef80800ff6ec9a391652eb12e4) )

	ROM_REGION( 0x400000, "gfx3", 0 )
	ROM_LOAD16_BYTE( "d67-10", 0x000000, 0x100000, CRC(d79e6ce9) SHA1(8b38302971816d599cdaa3279cb6395441373c6f) )	/* PIV 8x8 tiles, 6bpp */
	ROM_LOAD16_BYTE( "d67-11", 0x000001, 0x100000, CRC(7a401bb3) SHA1(47257a6a4b37ec1ceb4e974b776ee3ea30db06fa) )
	ROM_LOAD       ( "d67-12", 0x300000, 0x100000, CRC(67b16fec) SHA1(af0f9f50516331780ef6cfab1e12a23edf87daa7) )
	ROM_FILL       (           0x200000, 0x100000, 0 )

	ROM_REGION16_LE( 0x80000, "user1", 0 )
	ROM_LOAD16_WORD( "d67-13", 0x00000,  0x80000,  CRC(42e7690d) SHA1(5f00f3f814653733bf9a5cb010675799de02fa76) )	/* STY, spritemap */

	ROM_REGION16_BE( 0x1000000, "ensoniq.0", ROMREGION_ERASE00 )
	ROM_LOAD16_BYTE( "d67-01", 0x000000, 0x200000, CRC(a2f18122) SHA1(640014c6e6d66c59fe0accf370ad3bab9f40429a) )	/* Ensoniq samples */
	ROM_LOAD16_BYTE( "d67-02", 0xc00000, 0x200000, CRC(fceb715e) SHA1(9326513acb0696669d4f2345649ab37c8c6ed171) )

	ROM_REGION16_BE( 0x80, "eeprom", 0 )
	ROM_LOAD( "eeprom-undrfire.bin", 0x0000, 0x0080, CRC(9f7368f4) SHA1(4bb28e6eb3a72a06341199f0d744ed0ce13bce2c) )
ROM_END

ROM_START( cbombers )
	ROM_REGION( 0x200000, "maincpu", 0 )	/* 2048K for 68020 code (CPU A) */
	ROM_LOAD32_BYTE( "d83_39.ic17", 0x00000, 0x80000, CRC(b9f48284) SHA1(acc5d412e8900dda483a89a1ac1febd6d5735f3c) )
	ROM_LOAD32_BYTE( "d83_41.ic4",  0x00001, 0x80000, CRC(a2f4c8be) SHA1(0f8f3b5ecff34d8c35af1ab11bb5528b52e30109) )
	ROM_LOAD32_BYTE( "d83_40.ic3",  0x00002, 0x80000, CRC(b05f59ea) SHA1(e46a31737f44be2a3d478b8010fe0d6383290e03) )
	ROM_LOAD32_BYTE( "d83_38.ic16", 0x00003, 0x80000, CRC(0a10616c) SHA1(c9cfc8c870f8a989f004d2db4f6fb76e5b7b7f9b) )

	ROM_REGION( 0x140000, "audiocpu", 0 )	/* Sound cpu */
	ROM_LOAD16_BYTE( "d83_26.ic37", 0x100000, 0x20000, CRC(4f49b484) SHA1(96daa3cb7fa4aae3aedc91ec27d85945311dfcc9) )
	ROM_LOAD16_BYTE( "d83_27.ic38", 0x100001, 0x20000, CRC(2aa1a237) SHA1(b809f75bbbbb4eb5d0df725aaa31aae8a6fba552) )

	ROM_REGION( 0x40000, "sub", 0 )	/* 256K for 68000 code (CPU B) */
	ROM_LOAD16_BYTE( "d83_28.ic26", 0x00001, 0x20000, CRC(06328ef7) SHA1(90a14649e56221e47b87958896f6eae4556265c2) )
	ROM_LOAD16_BYTE( "d83_29.ic27", 0x00000, 0x20000, CRC(771b4080) SHA1(a47c3a6abc07a6a61b694d32baa0ad4c25045841) )

	ROM_REGION( 0x400000, "gfx1", 0 )
	ROM_LOAD16_BYTE( "d83_04.ic8", 0x000000, 0x200000, CRC(79f36cce) SHA1(2c8dc4cd5c4aa335c1e45888f5947acf94fa628a) )
	ROM_LOAD16_BYTE( "d83_05.ic7", 0x000001, 0x200000, CRC(7787e495) SHA1(1758de5fdd1d12727368d08d7d4752c3756fc23e) )

	ROM_REGION( 0x1800000, "gfx2", 0 )
	ROM_LOAD32_BYTE( "d83_06.ic28", 0x000003, 0x200000, CRC(4b71944e) SHA1(e8ed190280c7378fb4edcb192cef0d4d62582ad5) )
	ROM_LOAD32_BYTE( "d83_07.ic30", 0x000002, 0x200000, CRC(29861b61) SHA1(76562b0243c1bc38623c0ef9d20de7572a979e37) )
	ROM_LOAD32_BYTE( "d83_08.ic32", 0x000001, 0x200000, CRC(a0e81e01) SHA1(96ad8cfc849caaf85350cfc7cf23ad23635a3813) )
	ROM_LOAD32_BYTE( "d83_09.ic45", 0x000000, 0x200000, CRC(7e4dec50) SHA1(4d8c1be739d425d8ded07774094b775f35a915bf) )
	ROM_LOAD32_BYTE( "d83_11.ic41", 0x800003, 0x100000, CRC(a790e490) SHA1(9c57405ef2ef3368eb0958a3e43601110c1cc90d) )
	ROM_LOAD32_BYTE( "d83_12.ic29", 0x800002, 0x100000, CRC(2f237b0d) SHA1(2ecb947671d263a77510bfebda03f883b55b8df4) )
	ROM_LOAD32_BYTE( "d83_13.ic31", 0x800001, 0x100000, CRC(c2cceeb6) SHA1(3ec932655326caed13a40394bbf8e8baf836de2a) )
	ROM_LOAD32_BYTE( "d83_14.ic44", 0x800000, 0x100000, CRC(8b6f4f12) SHA1(6a28004d287f00627622376aa3d6704f2684a6f3) )
	ROM_LOAD32_BYTE( "d83_10.ic43", 0xc00000, 0x200000, CRC(36c440a0) SHA1(31685d3cdf4e39e1365df7e6a588c28f95d7e0a8) )
	ROM_LOAD32_BYTE( "d83_15.ic42", 0x1400000, 0x100000, CRC(1b71175e) SHA1(60ad38ce97fd7995ff2f29d6b1a3b873dc2f0eb3) )

	ROM_REGION( 0x400000, "gfx3", 0 )
	ROM_LOAD16_BYTE( "d83_16.ic19", 0x000000, 0x100000, CRC(d364cf1e) SHA1(ee43f50edf50ec840acfb98b1314140ee9693839) )
	ROM_LOAD16_BYTE( "d83_17.ic5",  0x000001, 0x100000, CRC(0ffe737c) SHA1(5923a4edf9d0c8339f793840c2bdc691e2c651e6) )
	ROM_LOAD       ( "d83_18.ic6",  0x300000, 0x100000, CRC(87979155) SHA1(0ffafa970f9f9c98f8938104b97e63d2b5757804) )
	ROM_FILL       (                0x200000, 0x100000, 0 )

	ROM_REGION16_LE( 0x80000, "user1", 0 )
	ROM_LOAD16_BYTE( "d83_31.ic10", 0x000001, 0x40000, CRC(85c37961) SHA1(15ea5c4904d910575e984e146c8941dff913d45f) )
	ROM_LOAD16_BYTE( "d83_32.ic11", 0x000000, 0x40000, CRC(b0db2559) SHA1(2bfae2dbe164b42e95d0a93fab82b7040c3fbc56) )

	ROM_REGION( 0x40000, "user2", 0 )
	ROM_LOAD( "d83_30.ic9", 0x00000,  0x40000,  CRC(eb86dc67) SHA1(31c7b6f30ff912fafed4b87ce8bf603ee17d1664) )

	ROM_REGION16_BE( 0x1000000, "ensoniq.0" , ROMREGION_ERASE00 )
	ROM_LOAD16_BYTE( "d83_01.ic40", 0xc00000, 0x200000, CRC(912799f4) SHA1(22f69e61519d2cddcfc4e4c9601e78a9d5265d5b) )
	ROM_LOAD16_BYTE( "d83_02.ic39", 0x000000, 0x200000, CRC(2abca020) SHA1(3491a95651ca89b7fe6d040b8576fa7646bfe84b) )
	ROM_RELOAD     (                0x400000, 0x200000 )
	ROM_LOAD16_BYTE( "d83_03.ic18", 0x800000, 0x200000, CRC(1b2d9ec3) SHA1(ead6b5542ad3987ef0f9ea01ce7f960abc9119b3) )

	ROM_REGION16_BE( 0x80, "eeprom", 0 )
	ROM_LOAD( "eeprom-cbombers.bin", 0x0000, 0x0080, CRC(9f7368f4) SHA1(4bb28e6eb3a72a06341199f0d744ed0ce13bce2c) )
ROM_END


static DRIVER_INIT( undrfire )
{
	UINT32 offset,i;
	UINT8 *gfx = machine.root_device().memregion("gfx3")->base();
	int size=machine.root_device().memregion("gfx3")->bytes();
	int data;

	/* make piv tile GFX format suitable for gfxdecode */
	offset = size/2;
	for (i = size/2+size/4; i<size; i++)
	{
		int d1,d2,d3,d4;

		/* Expand 2bits into 4bits format */
		data = gfx[i];
		d1 = (data>>0) & 3;
		d2 = (data>>2) & 3;
		d3 = (data>>4) & 3;
		d4 = (data>>6) & 3;

		gfx[offset] = (d1<<2) | (d2<<6);
		offset++;

		gfx[offset] = (d3<<2) | (d4<<6);
		offset++;
	}
}


static DRIVER_INIT( cbombers )
{
	UINT32 offset,i;
	UINT8 *gfx = machine.root_device().memregion("gfx3")->base();
	int size=machine.root_device().memregion("gfx3")->bytes();
	int data;


	/* make piv tile GFX format suitable for gfxdecode */
	offset = size/2;
	for (i = size/2+size/4; i<size; i++)
	{
		int d1,d2,d3,d4;

		/* Expand 2bits into 4bits format */
		data = gfx[i];
		d1 = (data>>0) & 3;
		d2 = (data>>2) & 3;
		d3 = (data>>4) & 3;
		d4 = (data>>6) & 3;

		gfx[offset] = (d1<<2) | (d2<<6);
		offset++;

		gfx[offset] = (d3<<2) | (d4<<6);
		offset++;
	}
}



GAME( 1993, undrfire, 0,        undrfire, undrfire, undrfire, ROT0, "Taito Corporation Japan", "Under Fire (World)", 0 )
GAME( 1993, undrfireu,undrfire, undrfire, undrfire, undrfire, ROT0, "Taito America Corporation", "Under Fire (US)", 0 )
GAME( 1993, undrfirej,undrfire, undrfire, undrfire, undrfire, ROT0, "Taito Corporation", "Under Fire (Japan)", 0 )
GAMEL(1994, cbombers, 0,        cbombers, cbombers, cbombers, ROT0, "Taito Corporation Japan", "Chase Bombers", GAME_IMPERFECT_GRAPHICS, layout_cbombers )