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

    Sun Electronics hardware:

       TVG-1-CPU-B
         2 x Z80
         AY-3-9810
         8-way DipSwitch
         Service Switch
         Program ROMS (both Main & Sound)
         MB8841 (at least for Kangaroo)
       TVG-1-VIDEO-B
         10MHz OSC
         Graphic ROMS

    driver by Ville Laitinen

    Games supported:
        * Kangaroo
        * Funky Fish

    Known bugs:
        * none at this time

****************************************************************************

    0000-0fff tvg75
    1000-1fff tvg76
    2000-2fff tvg77
    3000-3fff tvg78
    4000-4fff tvg79
    5000-5fff tvg80
    8000-bfff VIDEO RAM (four banks)
    c000-cfff tvg83/84 (banked)
    d000-dfff tvg85/86 (banked)
    e000-e3ff RAM


    memory mapped ports:
    read:
    e400      DSW 0
    ec00      IN 0
    ed00      IN 1
    ee00      IN 2
    efxx      (4 bits wide) security chip in. It seems to work like a clock.

    write:
    e800-e801 low/high byte start address of data in picture ROM for DMA
    e802-e803 low/high byte start address in bitmap RAM (where picture is to be
              written) during DMA
    e804-e805 picture size for DMA, and DMA start
    e806      vertical scroll of playfield
    e807      horizontal scroll of playfield
    e808      bank select latch
    e809      A & B bitmap control latch (A=playfield B=motion)
              bit 5 FLIP A
              bit 4 FLIP B
              bit 3 EN A
              bit 2 EN B
              bit 1 PRI A
              bit 0 PRI B
    e80a      color shading latch
    ec00      command to sound CPU
    ed00      coin counters
    efxx      (4 bits wide) security chip out

    ---------------------------------------------------------------------------
    CPU #1 (sound)

    0000 0fff tvg81
    4000 43ff RAM
    6000      command from main CPU

    I/O ports:
    7000      AY-3-8910 write
    8000      AY-3-8910 control
    ---------------------------------------------------------------------------

    interrupts:
    (CPU#0) standard IM 1 interrupt mode (rst #38 every vblank)
    (CPU#1) same here


                       Kangaroo Memory Map
    HEX        R/W   D7 D6 D5 D4 D3 D2 D2 D0  function

------------  Game Microprocessor Memory Space (Z80 - IC15) --------------

    0000-5FFF   R    D  D  D  D  D  D  D  D   Z80 24K Program ROM

    E000-E3FF  R/W   D  D  D  D  D  D  D  D   1K Working RAM

    E400        R    D  D  D  D  D  D  D  D   Option Switch (DSW0 8 way dipswitch)

    E800        W    D  D  D  D  D  D  D  D   Low  Byte\ Start Address of Data in Pictures ROM for DMA
    E801        W    D  D  D  D  D  D  D  D   High Byte/
    E802        W    D  D  D  D  D  D  D  D   Low  Byte\ Start Address in Bit Map RAM (where picture is to be written) During DMA
    E803        W    D  D  D  D  D  D  D  D   High Byte/
    E804        W    D  D  D  D  D  D  D  D   Low  Byte\ Picture Size for DMA and DMA Start
    E805        W    D  D  D  D  D  D  D  D   High Byte/
    E806        W    D  D  D  D  D  D  D  D   Vertical Start Address in Bit Map
    E807        W    D  D  D  D  D  D  D  D   Horizontal Start Address in Bit Map
    E808        W                      D  D   Bank Select Latch
    E809        W          D  D  D  D  D  D   A & B Bit Map Control Latch (A=playfield, B=motion)
    E80A        W          D  D  D  D  D  D   Color Shading Latch

    EC00        W    D  D  D  D  D  D  D  D   Sound DATA to Sound Microprocessor
    EC00        R                         D   Utility Coin Switch
    EC00        R                      D      1 Player Start
    EC00        R                   D         2 Player Start
    EC00        R                D            Left Coin Input
    EC00        R             D               Right Coin Input

    ED00        W                         D   Coin Counter 1
    ED00        W                      D      Coin Counter 2 (European games)
    ED00        R                         D   Player 1 Right
    ED00        R                      D      Player 1 Left
    ED00        R                   D         Player 1 Up
    ED00        R                D            Player 1 Down
    ED00        R             D               Player 1 Punch

    EE00        R                         D   Player 2 Right
    EE00        R                      D      Player 2 Left
    EE00        R                   D         Player 2 Up
    EE00        R                D            Player 2 Down
    EE00        R             D               Player 2 Punch

    EFxx-EFxx   W                D  D  D  D   Output to Custom MB8841 Microcomputer
    EFxx-EFxx   R                D  D  D  D   Input from Custom MB8841 Microcomputer

------------  Sound Microprocessor Memory Space (Z80 - IC34) --------------

    0000-0FFF   R    D  D  D  D  D  D  D  D   Z80 4K Program ROM

    4000-43FF  R/W   D  D  D  D  D  D  D  D   1K Working RAM

    6000        R    D  D  D  D  D  D  D  D   Read DATA from Game Microprocessor

    7000        W    D  D  D  D  D  D  D  D   Write to Sound Chip (GI-AY-3-9810 - IC50)
    8000        W    D  D  D  D  D  D  D  D   Read from Sound Chip

****************************************************************************

    In test mode, to test sound press 1 and 2 player start simultaneously.
    Punch + 1 player start moves to the crosshatch pattern.

    To enter test mode in Funky Fish, keep the service coin pressed while
    resetting

    TODO:
    - There is a custom MB8841 microcontroller on the original Kangaroo board which
      is not emulated. This MIGHT cause some problems, but we don't know of any.

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

#include "driver.h"
#include "cpu/mb88xx/mb88xx.h"
#include "kangaroo.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"


#define MASTER_CLOCK		XTAL_10MHz



static READ8_HANDLER(mcu_sim_r);
static WRITE8_HANDLER(mcu_sim_w);

static UINT8 kangaroo_clock;



/*************************************
 *
 *  Machine init
 *
 *************************************/

static MACHINE_START( kangaroo )
{
	memory_configure_bank(machine, 1, 0, 2, memory_region(machine, "gfx1"), 0x2000);
	state_save_register_global(machine, kangaroo_clock);
}


static MACHINE_START( kangaroo_mcu )
{
	MACHINE_START_CALL(kangaroo);
	memory_install_readwrite8_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xef00, 0xefff, 0, 0, mcu_sim_r, mcu_sim_w);
	kangaroo_clock = 0;
}


static MACHINE_RESET( kangaroo )
{
	/* I think there is a bug in the startup checks of the game. At the very */
	/* beginning, during the RAM check, it goes one byte too far, and ends up */
	/* trying to write, and re-read, location dfff. To the best of my knowledge, */
	/* that is a ROM address, so the test fails and the code keeps jumping back */
	/* at 0000. */
	/* However, a NMI causes a successful reset. Maybe the hardware generates a */
	/* NMI short after power on, therefore masking the bug? The NMI is generated */
	/* by the MB8841 custom microcontroller, so this could be a way to disguise */
	/* the copy protection. */
	/* Anyway, what I do here is just immediately generate the NMI, so the game */
	/* properly starts. */
	cputag_set_input_line(machine, "maincpu", INPUT_LINE_NMI, PULSE_LINE);
}



/*************************************
 *
 *  Custom CPU RAM snooping
 *
 *************************************/

/* The security chip is a MB8841 with 2K internal rom. Currently it's unknown what it really does,
   this just seems to do the trick -V-
*/

static READ8_HANDLER( mcu_sim_r )
{
	return ++kangaroo_clock & 0x0f;
}

static WRITE8_HANDLER( mcu_sim_w )
{
}



/*************************************
 *
 *  Coin control
 *
 *************************************/

static WRITE8_HANDLER( kangaroo_coin_counter_w )
{
	coin_counter_w(0, data & 1);
	coin_counter_w(1, data & 2);
}



/*************************************
 *
 *  Main CPU memory handlers
 *
 *************************************/

static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x5fff) AM_ROM
	AM_RANGE(0x8000, 0xbfff) AM_WRITE(kangaroo_videoram_w)
	AM_RANGE(0xc000, 0xdfff) AM_ROMBANK(1)
	AM_RANGE(0xe000, 0xe3ff) AM_RAM
	AM_RANGE(0xe400, 0xe400) AM_MIRROR(0x03ff) AM_READ_PORT("DSW0")
	AM_RANGE(0xe800, 0xe80a) AM_MIRROR(0x03f0) AM_WRITE(kangaroo_video_control_w) AM_BASE(&kangaroo_video_control)
	AM_RANGE(0xec00, 0xec00) AM_MIRROR(0x00ff) AM_READ_PORT("IN0") AM_WRITE(soundlatch_w)
	AM_RANGE(0xed00, 0xed00) AM_MIRROR(0x00ff) AM_READ_PORT("IN1") AM_WRITE(kangaroo_coin_counter_w)
	AM_RANGE(0xee00, 0xee00) AM_MIRROR(0x00ff) AM_READ_PORT("IN2")
ADDRESS_MAP_END



/*************************************
 *
 *  Sound CPU memory handlers
 *
 *************************************/

static ADDRESS_MAP_START( sound_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_ROM
	AM_RANGE(0x4000, 0x43ff) AM_MIRROR(0x0c00) AM_RAM
	AM_RANGE(0x6000, 0x6000) AM_MIRROR(0x0fff) AM_READ(soundlatch_r)
	AM_RANGE(0x7000, 0x7000) AM_MIRROR(0x0fff) AM_DEVWRITE("ay", ay8910_data_w)
	AM_RANGE(0x8000, 0x8000) AM_MIRROR(0x0fff) AM_DEVWRITE("ay", ay8910_address_w)
ADDRESS_MAP_END


/* yes, this is identical */
static ADDRESS_MAP_START( sound_portmap, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_ROM
	AM_RANGE(0x4000, 0x43ff) AM_MIRROR(0x0c00) AM_RAM
	AM_RANGE(0x6000, 0x6000) AM_MIRROR(0x0fff) AM_READ(soundlatch_r)
	AM_RANGE(0x7000, 0x7000) AM_MIRROR(0x0fff) AM_DEVWRITE("ay", ay8910_data_w)
	AM_RANGE(0x8000, 0x8000) AM_MIRROR(0x0fff) AM_DEVWRITE("ay", ay8910_address_w)
ADDRESS_MAP_END



/*************************************
 *
 *  Port definitions
 *
 *************************************/

static INPUT_PORTS_START( fnkyfish )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("DSW0")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )
INPUT_PORTS_END


static INPUT_PORTS_START( kangaroo )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_DIPNAME( 0x20, 0x00, "Music" )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_SERVICE( 0x80, IP_ACTIVE_HIGH )

	PORT_START("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("DSW0")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Hard ) )
	PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x08, "10000 30000" )
	PORT_DIPSETTING(    0x0c, "20000 40000" )
	PORT_DIPSETTING(    0x04, "10000" )
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x20, "A 2C/1C B 1C/3C" )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x30, "A 1C/1C B 1C/2C" )
	PORT_DIPSETTING(    0x40, "A 1C/1C B 1C/3C" )
	PORT_DIPSETTING(    0x50, "A 1C/1C B 1C/4C" )
	PORT_DIPSETTING(    0x60, "A 1C/1C B 1C/5C" )
	PORT_DIPSETTING(    0x70, "A 1C/1C B 1C/6C" )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x90, "A 1C/2C B 1C/4C" )
	PORT_DIPSETTING(    0xa0, "A 1C/2C B 1C/5C" )
	PORT_DIPSETTING(    0xe0, "A 1C/2C B 1C/6C" )
	PORT_DIPSETTING(    0xb0, "A 1C/2C B 1C/10C" )
	PORT_DIPSETTING(    0xc0, "A 1C/2C B 1C/11C" )
	PORT_DIPSETTING(    0xd0, "A 1C/2C B 1C/12C" )
	/* 0xe0 gives A 1/2 B 1/6 */
	PORT_DIPSETTING(    0xf0, DEF_STR( Free_Play ) )
INPUT_PORTS_END



/*************************************
 *
 *  Machine driver
 *
 *************************************/

static MACHINE_DRIVER_START( nomcu )

	/* basic machine hardware */
	MDRV_CPU_ADD("maincpu", Z80, MASTER_CLOCK/4)
	MDRV_CPU_PROGRAM_MAP(main_map)
	MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)

	MDRV_CPU_ADD("audiocpu", Z80, MASTER_CLOCK/8)
	MDRV_CPU_PROGRAM_MAP(sound_map)
	MDRV_CPU_IO_MAP(sound_portmap)
	MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)

	MDRV_MACHINE_START(kangaroo)
	MDRV_MACHINE_RESET(kangaroo)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_UPDATE_SCANLINE)

	MDRV_SCREEN_ADD("screen", RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
	MDRV_SCREEN_RAW_PARAMS(MASTER_CLOCK, 320*2, 0*2, 256*2, 260, 8, 248)

	MDRV_VIDEO_START(kangaroo)
	MDRV_VIDEO_UPDATE(kangaroo)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")
	MDRV_SOUND_ADD("ay", AY8910, MASTER_CLOCK/8)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END


static MACHINE_DRIVER_START( mcu )
	MDRV_IMPORT_FROM(nomcu)

	MDRV_MACHINE_START(kangaroo_mcu)

	MDRV_CPU_ADD("mcu", MB8841, MASTER_CLOCK/4/2)
	MDRV_CPU_FLAGS(CPU_DISABLE)
MACHINE_DRIVER_END



/*************************************
 *
 *  ROM definitions
 *
 *************************************/

ROM_START( fnkyfish )
	ROM_REGION( 0x14000, "maincpu", 0 )
	ROM_LOAD( "tvg_64.0",    0x0000,  0x1000, CRC(af728803) SHA1(1cbbf863f0eb4c759d6037ef9d9d0f4586b7b570) )
	ROM_LOAD( "tvg_65.1",    0x1000,  0x1000, CRC(71959e6b) SHA1(7336cbf3eefd081cd657a56fb6a8fbdac1b51c2c) )
	ROM_LOAD( "tvg_66.2",    0x2000,  0x1000, CRC(5ccf68d4) SHA1(c885df8b2b1bcb578ceab6615caf633dac02a5b2) )
	ROM_LOAD( "tvg_67.3",    0x3000,  0x1000, CRC(938ff36f) SHA1(bf660217ff82d5850ab97238ed2e32199d04f8c9) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "tvg_68.8",    0x0000,  0x1000, CRC(d36bb2be) SHA1(330160161857407fda62f16e7f43b8833744fd34) )

	ROM_REGION( 0x4000, "gfx1", 0 )
	ROM_LOAD( "tvg_69.v0",   0x0000, 0x1000, CRC(cd532d0b) SHA1(7a64f8bab1a0feafd53a4b81ac3b624a7c1bd26a) ) /* graphics ROMs */
	ROM_LOAD( "tvg_71.v2",   0x1000, 0x1000, CRC(a59c9713) SHA1(60dafa3d5a70b7e727b7c4688f8f3125735c31ec) )
	ROM_LOAD( "tvg_70.v1",   0x2000, 0x1000, CRC(fd308ef1) SHA1(d07f964cab875b0e47f3469fa5211684a5725dfe) )
	ROM_LOAD( "tvg_72.v3",   0x3000, 0x1000, CRC(6ae9b584) SHA1(408d26f4cdcd2abf0667fdc9c6eae58c9052981d) )
ROM_END


ROM_START( kangaroo )
	ROM_REGION( 0x14000, "maincpu", 0 ) /* On TVG-1-CPU-B board */
	ROM_LOAD( "tvg_75.0",    0x0000, 0x1000, CRC(0d18c581) SHA1(0e0f89d644b79e887c53e5294783843ca7e875ba) ) /* IC7 */
	ROM_LOAD( "tvg_76.1",    0x1000, 0x1000, CRC(5978d37a) SHA1(684c1092de4a0927a03752903c86c3bbe99e868a) ) /* IC8 */
	ROM_LOAD( "tvg_77.2",    0x2000, 0x1000, CRC(522d1097) SHA1(09fe627a46d32df2e098d9fad7757f9d61bef41f) ) /* IC9 */
	ROM_LOAD( "tvg_78.3",    0x3000, 0x1000, CRC(063da970) SHA1(582ff21dd46c651f07a4846e0f8a7544a5891988) ) /* IC10 */
	ROM_LOAD( "tvg_79.4",    0x4000, 0x1000, CRC(9e5cf8ca) SHA1(015387f038c5670f88c9b22453d074bd9b2a129d) ) /* IC16 */
	ROM_LOAD( "tvg_80.5",    0x5000, 0x1000, CRC(2fc18049) SHA1(31fcac8eb660739a1672346136a1581a5ef20325) ) /* IC17 */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* On TVG-1-CPU-B board */
	ROM_LOAD( "tvg_81.8",    0x0000, 0x1000, CRC(fb449bfd) SHA1(f593a0339f47e121736a927587132aeb52704557) ) /* IC24 */

	ROM_REGION( 0x0800, "mcu", 0 )	/* internal ROM from the 8841 custom MCU */
	ROM_LOAD( "mb8841.ic29",    0x0000, 0x0800, NO_DUMP )

	ROM_REGION( 0x0800, "user1", 0 )	/* data for the 8841 custom MCU */
	ROM_LOAD( "tvg_82.12",   0x0000, 0x0800, CRC(57766f69) SHA1(94a7a557d8325799523d5e1a88653a9a3fbe34f9) ) /* IC28 */

	ROM_REGION( 0x4000, "gfx1", 0 ) /* On TVG-1-VIDEO-B board */
	ROM_LOAD( "tvg_83.v0",   0x0000, 0x1000, CRC(c0446ca6) SHA1(fca6ba565051337c0198c93b7b8477632e0dd0b6) ) /* IC76 */
	ROM_LOAD( "tvg_85.v2",   0x1000, 0x1000, CRC(72c52695) SHA1(87f4715fbb7d509bd9cc4e71e2afb0d475bbac13) ) /* IC77 */
	ROM_LOAD( "tvg_84.v1",   0x2000, 0x1000, CRC(e4cb26c2) SHA1(5016db9d48fdcfb757618659d063b90862eb0e90) ) /* IC52 */
	ROM_LOAD( "tvg_86.v3",   0x3000, 0x1000, CRC(9e6a599f) SHA1(76b4eddb4efcd8189d8cc5962d8497e82885f212) ) /* IC53 */
ROM_END


ROM_START( kangaroa )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "136008-101.ic7",    0x0000, 0x1000, CRC(0d18c581) SHA1(0e0f89d644b79e887c53e5294783843ca7e875ba) )
	ROM_LOAD( "136008-102.ic8",    0x1000, 0x1000, CRC(5978d37a) SHA1(684c1092de4a0927a03752903c86c3bbe99e868a) )
	ROM_LOAD( "136008-103.ic9",    0x2000, 0x1000, CRC(522d1097) SHA1(09fe627a46d32df2e098d9fad7757f9d61bef41f) )
	ROM_LOAD( "136008-104.ic10",   0x3000, 0x1000, CRC(063da970) SHA1(582ff21dd46c651f07a4846e0f8a7544a5891988) )
	ROM_LOAD( "136008-105.ic16",   0x4000, 0x1000, CRC(82a26c7d) SHA1(09087552dbe4d27df79396072c0f9b916f78f89b) )
	ROM_LOAD( "136008-106.ic17",   0x5000, 0x1000, CRC(3dead542) SHA1(0b5d329b1ebbacc650d06289b4e080304e728ea7) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "136008-107.ic24",   0x0000, 0x1000, CRC(fb449bfd) SHA1(f593a0339f47e121736a927587132aeb52704557) )

	ROM_REGION( 0x0800, "mcu", 0 )	/* internal ROM from the 8841 custom MCU */
	ROM_LOAD( "mb8841.ic29",          0x0000, 0x0800, NO_DUMP )

	ROM_REGION( 0x0800, "user1", 0 )	/* data for the 8841 custom MCU */
	ROM_LOAD( "136008-112.ic28",   0x0000, 0x0800, CRC(57766f69) SHA1(94a7a557d8325799523d5e1a88653a9a3fbe34f9) )

	ROM_REGION( 0x4000, "gfx1", 0 )
	ROM_LOAD( "136008-108.ic76",   0x0000, 0x1000, CRC(c0446ca6) SHA1(fca6ba565051337c0198c93b7b8477632e0dd0b6) )
	ROM_LOAD( "136008-110.ic77",   0x1000, 0x1000, CRC(72c52695) SHA1(87f4715fbb7d509bd9cc4e71e2afb0d475bbac13) )
	ROM_LOAD( "136008-109.ic52",   0x2000, 0x1000, CRC(e4cb26c2) SHA1(5016db9d48fdcfb757618659d063b90862eb0e90) )
	ROM_LOAD( "136008-111.ic53",   0x3000, 0x1000, CRC(9e6a599f) SHA1(76b4eddb4efcd8189d8cc5962d8497e82885f212) )
ROM_END


ROM_START( kangarob )
	ROM_REGION( 0x14000, "maincpu", 0 )
	ROM_LOAD( "tvg_75.0",    0x0000, 0x1000, CRC(0d18c581) SHA1(0e0f89d644b79e887c53e5294783843ca7e875ba) )
	ROM_LOAD( "tvg_76.1",    0x1000, 0x1000, CRC(5978d37a) SHA1(684c1092de4a0927a03752903c86c3bbe99e868a) )
	ROM_LOAD( "tvg_77.2",    0x2000, 0x1000, CRC(522d1097) SHA1(09fe627a46d32df2e098d9fad7757f9d61bef41f) )
	ROM_LOAD( "tvg_78.3",    0x3000, 0x1000, CRC(063da970) SHA1(582ff21dd46c651f07a4846e0f8a7544a5891988) )
	ROM_LOAD( "tvg_79.4",    0x4000, 0x1000, CRC(9e5cf8ca) SHA1(015387f038c5670f88c9b22453d074bd9b2a129d) )
	ROM_LOAD( "k6",          0x5000, 0x1000, CRC(7644504a) SHA1(7a8a4bd163d2cdf27390ab2ef65fb7fa6fc1a361) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "tvg_81.8",    0x0000, 0x1000, CRC(fb449bfd) SHA1(f593a0339f47e121736a927587132aeb52704557) )

	ROM_REGION( 0x4000, "gfx1", 0 )
	ROM_LOAD( "tvg_83.v0",   0x0000, 0x1000, CRC(c0446ca6) SHA1(fca6ba565051337c0198c93b7b8477632e0dd0b6) )
	ROM_LOAD( "tvg_85.v2",   0x1000, 0x1000, CRC(72c52695) SHA1(87f4715fbb7d509bd9cc4e71e2afb0d475bbac13) )
	ROM_LOAD( "tvg_84.v1",   0x2000, 0x1000, CRC(e4cb26c2) SHA1(5016db9d48fdcfb757618659d063b90862eb0e90) )
	ROM_LOAD( "tvg_86.v3",   0x3000, 0x1000, CRC(9e6a599f) SHA1(76b4eddb4efcd8189d8cc5962d8497e82885f212) )
ROM_END



/*************************************
 *
 *  Game drivers
 *
 *************************************/

GAME( 1981, fnkyfish, 0,        nomcu, fnkyfish, 0, ROT90, "Sun Electronics", "Funky Fish", 0 )
GAME( 1982, kangaroo, 0,        mcu,   kangaroo, 0, ROT90, "Sun Electronics", "Kangaroo", 0 )
GAME( 1982, kangaroa, kangaroo, mcu,   kangaroo, 0, ROT90, "[Sun Electronics] (Atari license)", "Kangaroo (Atari)", 0 )
GAME( 1982, kangarob, kangaroo, nomcu, kangaroo, 0, ROT90, "bootleg", "Kangaroo (bootleg)", 0 )
