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// license:BSD-3-Clause
// copyright-holders:Luca Elia
/***************************************************************************

                          -= Yun Sung 8 Bit Games =-

                    driver by   Luca Elia (l.elia@tin.it)


Main  CPU    :  Z80B
Sound CPU    :  Z80A
Video Chips  :  ?
Sound Chips  :  OKI M5205 + YM3812

---------------------------------------------------------------------------
Year + Game         Board#
---------------------------------------------------------------------------
95  Cannon Ball      YS-ROCK-970712 or 940712?
95  Magix / Rock     YS-ROCK-970712
94? Rock Tris        YS-ROCK-940712
---------------------------------------------------------------------------

Notes:

- "Magix" can change title to "Rock" through a DSW
- In service mode press Service Coin (e.g. '9')

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

#include "emu.h"
#include "includes/yunsung8.h"

#include "cpu/z80/z80.h"
#include "machine/gen_latch.h"
#include "sound/3812intf.h"
#include "screen.h"
#include "speaker.h"


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


                            Memory Maps - Main CPU


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


WRITE8_MEMBER(yunsung8_state::bankswitch_w)
{
	m_layers_ctrl = data & 0x30;    // Layers enable

	membank("mainbank")->set_entry(data & 0x07);

	if (data & ~0x37)
		logerror("CPU #0 - PC %04X: Bank %02X\n", m_maincpu->pc(), data);
}

READ8_MEMBER(yunsung8_state::sound_command_r)
{
	m_audiocpu->set_input_line(0, CLEAR_LINE);
	return m_soundlatch->read(space, 0);
}

WRITE8_MEMBER(yunsung8_state::sound_command_w)
{
	m_soundlatch->write(space, 0, data);
	m_audiocpu->set_input_line(0, ASSERT_LINE);
}

WRITE8_MEMBER(yunsung8_state::main_irq_ack_w)
{
	m_maincpu->set_input_line(0, CLEAR_LINE);
}

/*
    Banked Video RAM:

    c000-c7ff   Palette (bit 1 of port 0 switches between 2 banks)

    c800-cfff   Color   (bit 0 of port 0 switches between 2 banks)
    d000-dfff   Tiles   ""
*/

static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, yunsung8_state )
	AM_RANGE(0x0001, 0x0001) AM_WRITE(bankswitch_w)    // ROM Bank (again?)
	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("mainbank")    // Banked ROM
	AM_RANGE(0x0000, 0xbfff) AM_ROM
	AM_RANGE(0xc000, 0xdfff) AM_READWRITE(videoram_r, videoram_w) // Video RAM (Banked)
	AM_RANGE(0xe000, 0xffff) AM_RAM
ADDRESS_MAP_END


static ADDRESS_MAP_START( port_map, AS_IO, 8, yunsung8_state )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_READ_PORT("SYSTEM") AM_WRITE(videobank_w)  // video RAM bank
	AM_RANGE(0x01, 0x01) AM_READ_PORT("P1") AM_WRITE(bankswitch_w) // ROM Bank + Layers Enable
	AM_RANGE(0x02, 0x02) AM_READ_PORT("P2") AM_WRITE(sound_command_w) // To Sound CPU
	AM_RANGE(0x03, 0x03) AM_READ_PORT("DSW1")
	AM_RANGE(0x04, 0x04) AM_READ_PORT("DSW2")
	AM_RANGE(0x06, 0x06) AM_WRITE(flipscreen_w)    // Flip Screen
	AM_RANGE(0x07, 0x07) AM_WRITE(main_irq_ack_w)
ADDRESS_MAP_END



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


                            Memory Maps - Sound CPU


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

WRITE8_MEMBER(yunsung8_state::sound_bankswitch_w)
{
	m_msm->reset_w(data & 0x20);

	membank("soundbank")->set_entry(data & 0x07);

	if (data != (data & (~0x27)))
		logerror("%s: Bank %02X\n", machine().describe_context(), data);
}



static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, yunsung8_state )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("soundbank")      // Banked ROM
	AM_RANGE(0xe000, 0xe000) AM_WRITE(sound_bankswitch_w) // ROM Bank
	AM_RANGE(0xe400, 0xe400) AM_DEVWRITE("adpcm_select", ls157_device, ba_w)
	AM_RANGE(0xec00, 0xec01) AM_DEVWRITE("ymsnd", ym3812_device, write)
	AM_RANGE(0xf000, 0xf7ff) AM_RAM
	AM_RANGE(0xf800, 0xf800) AM_READ(sound_command_r) // From Main CPU
ADDRESS_MAP_END




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


                                Input Ports


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


/***************************************************************************
                                    Rock Tris
***************************************************************************/
static INPUT_PORTS_START( rocktris )
	PORT_START("SYSTEM")
	PORT_BIT(  0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT(  0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT(  0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x20, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_IMPULSE(1)
	PORT_BIT(  0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)

	PORT_START("P1")
	PORT_BIT(  0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) // Bomb
	PORT_BIT(  0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) // Rotate
	PORT_BIT(  0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT(  0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT(  0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT(  0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)

	PORT_START("P2")
	PORT_BIT(  0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT(  0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) // Bomb
	PORT_BIT(  0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) // Rotate
	PORT_BIT(  0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT(  0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT(  0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT(  0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)

	PORT_START("DSW1")
	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x06, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0xe0, 0xe0, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_4C ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x01, 0x01, "Unknown 2-0" )   // the rest seems unused
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "Unknown 2-1" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, "Unknown 2-2" )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, "Unknown 2-3" )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, "Unknown 2-4" )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, "Unknown 2-5" )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "Unknown 2-6" )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Unknown 2-7" )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END

/***************************************************************************
                                    Magix
***************************************************************************/
static INPUT_PORTS_START( magix )
	PORT_INCLUDE(rocktris) // BTN1 = Rotate, BTN2 = Rotate (Again! ...same dir as BTN1)

	PORT_MODIFY("DSW2")
	PORT_DIPNAME( 0x01, 0x01, "Title" )
	PORT_DIPSETTING(    0x01, "Magix" )
	PORT_DIPSETTING(    0x00, "Rock" )
INPUT_PORTS_END

/***************************************************************************
                                Cannon Ball
***************************************************************************/
static INPUT_PORTS_START( cannball )
	PORT_INCLUDE(rocktris)

	PORT_MODIFY("P1")
	PORT_BIT(  0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) // BTN1 = Launch, BTN2 = Rotate, BTN3 = Bomb

	PORT_MODIFY("P2")
	PORT_BIT(  0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) // BTN1 = Launch, BTN2 = Rotate, BTN3 = Bomb

	PORT_MODIFY("DSW2")
	PORT_DIPNAME( 0x0c, 0x0c, "Bombs" )
	PORT_DIPSETTING(    0x04, "1" )
	PORT_DIPSETTING(    0x08, "2" )
	PORT_DIPSETTING(    0x0c, "3" )
	PORT_DIPSETTING(    0x00, "4" )
INPUT_PORTS_END

static INPUT_PORTS_START( cannbalv )
	PORT_INCLUDE(cannball)

	PORT_MODIFY("SYSTEM")
	PORT_BIT(  0x40, IP_ACTIVE_HIGH, IPT_SPECIAL  ) // always activated, otherwise the game resets. a simple check for horizontal / vertical version of the game?
INPUT_PORTS_END

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


                                Graphics Layouts


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

/* 8x8x4 tiles in 2 roms */
static const gfx_layout layout_8x8x4 =
{
	8,8,
	RGN_FRAC(1,2),
	4,
	{ STEP4(0,1) },
	{ RGN_FRAC(1,2)+1*4,RGN_FRAC(1,2)+0*4,1*4,0*4, RGN_FRAC(1,2)+3*4,RGN_FRAC(1,2)+2*4,3*4,2*4},
	{ STEP8(0,16) },
	8*8*4/2
};

/* 8x8x8 tiles in 4 roms */
static const gfx_layout layout_8x8x8 =
{
	8,8,
	RGN_FRAC(1,4),
	8,
	{ STEP8(0,1) },
	{ RGN_FRAC(0,4) + 0*8, RGN_FRAC(1,4) + 0*8, RGN_FRAC(2,4) + 0*8, RGN_FRAC(3,4) + 0*8,
		RGN_FRAC(0,4) + 1*8, RGN_FRAC(1,4) + 1*8, RGN_FRAC(2,4) + 1*8, RGN_FRAC(3,4) + 1*8 },
	{ STEP8(0,16) },
	8*8*8/4
};

static GFXDECODE_START( yunsung8 )
	GFXDECODE_ENTRY( "bgfx", 0, layout_8x8x8, 0, 0x08 ) // [0] Tiles (Background)
	GFXDECODE_ENTRY( "text", 0, layout_8x8x4, 0,    0x40 ) // [1] Tiles (Text)
GFXDECODE_END



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


                                Machine Drivers


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


WRITE_LINE_MEMBER(yunsung8_state::adpcm_int)
{
	if (!state)
		return;

	m_toggle = !m_toggle;
	m_adpcm_select->select_w(m_toggle);
	m_audiocpu->set_input_line(INPUT_LINE_NMI, m_toggle);
}

void yunsung8_state::machine_start()
{
	m_bg_vram = m_videoram + 0x0000; // Ram is banked
	m_fg_vram = m_videoram + 0x2000;

	membank("mainbank")->configure_entries(0, 8, memregion("maincpu")->base(), 0x4000);
	membank("soundbank")->configure_entries(0, 8, memregion("audiocpu")->base(), 0x4000);

	save_item(NAME(m_videoram));
	save_item(NAME(m_layers_ctrl));
	save_item(NAME(m_videobank));
	save_item(NAME(m_toggle));
}

void yunsung8_state::machine_reset()
{
	m_videobank = 0;
	m_layers_ctrl = 0;
	m_toggle = false;
}


MACHINE_CONFIG_START(yunsung8_state::yunsung8)

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80, XTAL(16'000'000)/2)           /* Z80B @ 8MHz? */
	MCFG_CPU_PROGRAM_MAP(main_map)
	MCFG_CPU_IO_MAP(port_map)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", yunsung8_state, irq0_line_assert)   /* No nmi routine */

	MCFG_CPU_ADD("audiocpu", Z80, XTAL(16'000'000)/4)          /* ? */
	MCFG_CPU_PROGRAM_MAP(sound_map)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_RAW_PARAMS(XTAL(16'000'000)/2, 512, 64, 512-64, 262, 8, 256-8) /* TODO: completely inaccurate */
	MCFG_SCREEN_UPDATE_DRIVER(yunsung8_state, screen_update)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_GFXDECODE_ADD("gfxdecode", "palette", yunsung8)
	MCFG_PALETTE_ADD("palette", 2048)


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

	MCFG_GENERIC_LATCH_8_ADD("soundlatch")

	MCFG_SOUND_ADD("ymsnd", YM3812, XTAL(16'000'000)/4)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)

	MCFG_DEVICE_ADD("adpcm_select", LS157, 0)
	MCFG_74157_OUT_CB(DEVWRITE8("msm", msm5205_device, data_w))

	MCFG_SOUND_ADD("msm", MSM5205, XTAL(400'000)) /* verified on pcb */
	MCFG_MSM5205_VCLK_CB(WRITELINE(yunsung8_state, adpcm_int)) /* interrupt function */
	MCFG_MSM5205_PRESCALER_SELECTOR(S96_4B)      /* 4KHz, 4 Bits */
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.80)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.80)
MACHINE_CONFIG_END


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


                                ROMs Loading


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

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

                                    Magix

Yun Sung, 1995

+-------------------------------------+
|VOL YM3014      6116               04|
|     M5205 400KHz                  03|
|     Z80A      CXK5118PN-15L       02|
|      08       GM76C28-10          01|
|    MCM2018AN45                      |
|J   MCM2018AN45                      |
|A DSW1       +--------+              |
|M            |        |              |
|M DSW2*      | Quick  |              |
|A            | Logic  |              |
|             |        |              |
| U66         +--------+            06|
|    HM6264                         05|
|     07     HM6264                   |
|    Z80B    YM3812           16MHz   |
+-------------------------------------+

 Main CPU: Z80B
Sound CPU: Z80A
    Sound: Yamaha YM3812 + Oki M5205 + YM3014 DAC
    Video: QuickLogic FPGA - unknown type / model
      OSC: 16MHz + 400Khz resonator
   Memory: 2 x MCM2018AN45, 2 x HM6264, CXK5118PN-15L, GM76C28-10 & 6116
     Misc: DSW1 is a 8 position dipswitch
           DSW2 is not populated
           VOL Volume pot

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

ROM_START( magix )
	ROM_REGION( 0x20000, "maincpu", 0 )     /* Main Z80 Code */
	ROM_LOAD( "yunsung8.07", 0x00000, 0x20000, CRC(d4d0b68b) SHA1(d7e1fb57a14f8b822791b98cecc6d5a053a89e0f) )

	ROM_REGION( 0x20000, "audiocpu", 0 )        /* Sound Z80 Code */
	ROM_LOAD( "yunsung8.08", 0x00000, 0x20000, CRC(6fd60be9) SHA1(87622dc2967842629e90a02b415bec86cc26cbc7) )

	ROM_REGION( 0x200000, "bgfx", 0 )   /* Background */
	ROM_LOAD( "yunsung8.04", 0x000000, 0x80000, CRC(0a100d2b) SHA1(c36a2489748c8ac7b6d7457ad09d8153707c85be) )
	ROM_LOAD( "yunsung8.03", 0x080000, 0x80000, CRC(c8cb0373) SHA1(339c4e0fef44da3cab615e07dc8739bd925ebf28) )
	ROM_LOAD( "yunsung8.02", 0x100000, 0x80000, CRC(09efb8e5) SHA1(684bb5c4b579f8c77e79aab4decbefea495d9474) )
	ROM_LOAD( "yunsung8.01", 0x180000, 0x80000, CRC(4590d782) SHA1(af875166207793572b9ecf01bb6a24feba562a96) )

	ROM_REGION( 0x40000, "text", 0 )    /* Text */
	ROM_LOAD( "yunsung8.05", 0x00000, 0x20000, CRC(862d378c) SHA1(a4e2cf14b5b25c6b8725dd285ddea65ce9ee257a) )   // only first $8000 bytes != 0
	ROM_LOAD( "yunsung8.06", 0x20000, 0x20000, CRC(8b2ab901) SHA1(1a5c05dd0cf830b645357a62d8e6e876b44c6b7f) )   // only first $8000 bytes != 0
ROM_END

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

Magix / Rock

Original Yun Sung board, but has EPROMs with open windows and handwritten
numbers on them. "Yun Sung 1995" logo has been removed from the text tiles.
Code is different, shifted around not patched.

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

ROM_START( magixb )
	ROM_REGION( 0x20000, "maincpu", 0 )     /* Main Z80 Code */
	ROM_LOAD( "8.bin", 0x00000, 0x20000, CRC(3b92020f) SHA1(edc15c5b712774dad1685ce9a94e4290aab9934a) )

	ROM_REGION( 0x20000, "audiocpu", 0 )        /* Sound Z80 Code */
	ROM_LOAD( "9.bin", 0x00000, 0x20000, CRC(6fd60be9) SHA1(87622dc2967842629e90a02b415bec86cc26cbc7) ) // yunsung8.08

	ROM_REGION( 0x200000, "bgfx", 0 )   /* Background */
	ROM_LOAD( "1.bin", 0x000000, 0x80000, CRC(0a100d2b) SHA1(c36a2489748c8ac7b6d7457ad09d8153707c85be) ) // yunsung8.04
	ROM_LOAD( "2.bin", 0x080000, 0x80000, CRC(c8cb0373) SHA1(339c4e0fef44da3cab615e07dc8739bd925ebf28) ) // yunsung8.03
	ROM_LOAD( "3.bin", 0x100000, 0x80000, CRC(09efb8e5) SHA1(684bb5c4b579f8c77e79aab4decbefea495d9474) ) // yunsung8.02
	ROM_LOAD( "4.bin", 0x180000, 0x80000, CRC(4590d782) SHA1(af875166207793572b9ecf01bb6a24feba562a96) ) // yunsung8.01

	ROM_REGION( 0x40000, "text", 0 )    /* Text */
	ROM_LOAD( "5.bin", 0x00000, 0x20000, CRC(11b99819) SHA1(4b20feea227cefd2e905601d934538a13ba6685b) ) // only first $8000 bytes != 0
	ROM_LOAD( "6.bin", 0x20000, 0x20000, CRC(361a864c) SHA1(e0bb78b49fc3d461d6ac46ad97a9d04112783132) ) // only first $8000 bytes != 0
ROM_END


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

                                Cannon Ball
Yun Sung, 1995

Cannon Ball (vertical)
+-------------------------------------+
|VOL YM3014      6116         YunSung7|
|     M5205 400KHz            YunSung6|
|     Z80A      CXK5118PN-15L YunSung5|
|    YunSung8   GM76C28-10    YunSung4|
|    MCM2018AN45                      |
|J   MCM2018AN45                      |
|A DSW1       +--------+              |
|M            |Cy7C384A|              |
|M DSW2*      |XJC 9506|              |
|A            | CYP    |              |
|             | 001002 |              |
| U66         +--------+      YunSung3|
|    HM6264                   YunSung2|
|   YunSung1 HM6264                   |
|    Z80B    YM3812           16MHz   |
+-------------------------------------+

 Main CPU: Z80B
Sound CPU: Z80A
    Sound: Yamaha YM3812 + Oki M5205 + YM3014 DAC
    Video: Cypress CY7C384A - Very high speed 6K gate CMOS FPGA
      OSC: 16MHz + 400Khz resonator
   Memory: 2 x MCM2018AN45, 2 x HM6264, CXK5118PN-15L, GM76C28-10 & 6116
     Misc: DSW1 is a 8 position dipswitch
           DSW2 is not populated
           VOL Volume pot

01, 02, 03, 04  are 27c020
05, 06, 07, 08  are 27c010
2 pals used

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

ROM_START( cannball )
	ROM_REGION( 0x20000, "maincpu", 0 )     /* Main Z80 Code */
	ROM_LOAD( "cannball.07", 0x00000, 0x20000, CRC(17db56b4) SHA1(032e3dbde0b0e315dcb5f2b31f57e75e78818f2d) )

	ROM_REGION( 0x20000, "audiocpu", 0 )        /* Sound Z80 Code */
	ROM_LOAD( "cannball.08", 0x00000, 0x20000, CRC(11403875) SHA1(9f583bc4f08e7aef3fd0f3fe3f31cce1d226641a) )

	ROM_REGION( 0x100000, "bgfx", 0 )   /* Background */
	ROM_LOAD( "cannball.01", 0x000000, 0x40000, CRC(2d7785e4) SHA1(9911354c0be192506f8bfca3e85ede0bbc4828d5) )
	ROM_LOAD( "cannball.02", 0x040000, 0x40000, CRC(24df387e) SHA1(5f4afe11feb367ca3b3c4f5eb37a6b6c4edb83bb) )
	ROM_LOAD( "cannball.03", 0x080000, 0x40000, CRC(4d62f192) SHA1(8c60b9b4b36c13c2d145c49413580a10e71eb283) )
	ROM_LOAD( "cannball.04", 0x0c0000, 0x40000, CRC(37cf8b12) SHA1(f93df8e0babe2c4ec996aa3c2a48bf40a5a02e62) )

	ROM_REGION( 0x40000, "text", 0 )    /* Text */
	ROM_LOAD( "cannball.05", 0x00000, 0x20000, CRC(87c1f1fa) SHA1(dbc568d2133734e41b69fd8d18b76531648b32ef) )
	ROM_LOAD( "cannball.06", 0x20000, 0x20000, CRC(e722bee8) SHA1(3aed7df9df81a6776b6bf2f5b167965b0d689216) )
ROM_END


ROM_START( cannballv )
	ROM_REGION( 0x20000, "maincpu", 0 )     /* Main Z80 Code */
	ROM_LOAD( "yunsung1", 0x00000, 0x20000, CRC(f7398b0d) SHA1(f2cdb9c4662cd325376d25ae9611f689605042db) )

	ROM_REGION( 0x20000, "audiocpu", 0 )        /* Sound Z80 Code */
	ROM_LOAD( "yunsung8", 0x00000, 0x20000, CRC(11403875) SHA1(9f583bc4f08e7aef3fd0f3fe3f31cce1d226641a) )

	ROM_REGION( 0x200000, "bgfx", 0 )   /* Background */
	ROM_LOAD( "yunsung7", 0x000000, 0x80000, CRC(a5f1a648) SHA1(7a5bf5bc0ad257ccb12104512e98dfb3525babfc) )
	ROM_LOAD( "yunsung6", 0x080000, 0x80000, CRC(8baa686e) SHA1(831c3e2864d262bf5429dca6653c83dc976e610e) )
	ROM_LOAD( "yunsung5", 0x100000, 0x80000, CRC(a7f2ce51) SHA1(81632aca067f2c8c45488266c4489d9af24fb552) )
	ROM_LOAD( "yunsung4", 0x180000, 0x80000, CRC(74bef793) SHA1(6208580ce747cec3d410ce3c71e07aa570b9121d) )

	ROM_REGION( 0x40000, "text", 0 )    /* Text */
	ROM_LOAD( "yunsung3", 0x00000, 0x20000, CRC(8217abbe) SHA1(1a459a816a1aa5b68858e39c4a21bd78ee78dcab) )
	ROM_LOAD( "yunsung2", 0x20000, 0x20000, CRC(76de1045) SHA1(a3845ee1874e6ec0ce26e6e73e4643243779e70d) )
ROM_END


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

Rock Tris by Yunsung

Pcb marked Ys-rock 940712

pcb has no sound, the osc for the msm5205 has been cut so I don't know the frequency

Pcb has no markings in the sockets and eproms have anonymous stickers

2x z80
1x 16mhz
1x UA010
1x msm5205
1x fpga
1x dipswitch (there is place for another one, but the space is empty and
they jumpered the first position)

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

ROM_START( rocktris )
	ROM_REGION( 0x20000, "maincpu", 0 )     /* Main Z80 Code */
	ROM_LOAD( "cpu.bin", 0x00000, 0x20000, CRC(46e3b79c) SHA1(81a587b9f986c4e39b1888ec6ed6b86d1469b9a0) )

	ROM_REGION( 0x20000, "audiocpu", 0 )        /* Sound Z80 Code */
	ROM_LOAD( "cpu2.bin", 0x00000, 0x20000, CRC(3a78a4cf) SHA1(f643c7a217cbb71f3a03f1f4a16545c546332819) )

	ROM_REGION( 0x200000, "bgfx", 0 )   /* Background */
	ROM_LOAD( "gfx4.bin", 0x000000, 0x80000, CRC(abb49cac) SHA1(e2d766e950df398a8ec8b6888e128ffc3bdf1ce9) )
	ROM_LOAD( "gfx3.bin", 0x080000, 0x80000, CRC(70a6ad52) SHA1(04cd58d3f885dd7c2fb1061f93d3ae3a418ad762) )
	ROM_LOAD( "gfx2.bin", 0x100000, 0x80000, CRC(fcc9ec97) SHA1(1f09452988e3fa976b233e3b458c7a60977b76aa) )
	ROM_LOAD( "gfx1.bin", 0x180000, 0x80000, CRC(4295034d) SHA1(9bdbbcdb46eb659a13b77c5bb26c9d8ad43731a7) )


	ROM_REGION( 0x40000, "text", 0 )    /* Text */
	ROM_LOAD( "gfx5.bin", 0x00000, 0x20000, CRC(058ee379) SHA1(57088bb02c56212979b9119b773eedc31af17e50) )
	ROM_LOAD( "gfx6.bin", 0x20000, 0x20000, CRC(593cbd39) SHA1(4d60b5811118f3f22f6f3b300a4daec158456b72) )
ROM_END


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


                                Game Drivers


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

GAME( 1995,  cannball,  0,        yunsung8, cannball, yunsung8_state, 0, ROT0,   "Yun Sung / Soft Vision",    "Cannon Ball (Yun Sung, horizontal)",  MACHINE_SUPPORTS_SAVE )
GAME( 1995,  cannballv, cannball, yunsung8, cannbalv, yunsung8_state, 0, ROT270, "Yun Sung / J&K Production", "Cannon Ball (Yun Sung, vertical)",    MACHINE_SUPPORTS_SAVE )
GAME( 1995,  magix,     0,        yunsung8, magix,    yunsung8_state, 0, ROT0,   "Yun Sung",                  "Magix / Rock",                        MACHINE_SUPPORTS_SAVE )
GAME( 1995,  magixb,    magix,    yunsung8, magix,    yunsung8_state, 0, ROT0,   "Yun Sung",                  "Magix / Rock (no copyright message)", MACHINE_SUPPORTS_SAVE ) // was marked as bootleg, but has been seen on original PCBs
GAME( 1994?, rocktris,  0,        yunsung8, rocktris, yunsung8_state, 0, ROT0,   "Yun Sung",                  "Rock Tris",                           MACHINE_SUPPORTS_SAVE )