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// license:LGPL-2.1+
// copyright-holders:Tomasz Slanina, Pierpaolo Prazzoli
/*
Dynamic Dice (??)

Driver by
    Tomasz Slanina
    Pierpaolo Prazzoli
--
Old, rusty, not working pcb :


Main PCB :

m5l8080ap (8080)

dy_1.bin (1H)
dy_2.bin (1L)
dy_3.bin (1P)

dip 6x  (all off)

xtal 18.432 mhz

--
Sub PCB  DYNA-529-81ST :

AY-3-8910
Z80

dy_4.bin
dy_5.bin
dy_6.bin (near Z80)
*/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/i8085/i8085.h"
#include "sound/ay8910.h"
#include "machine/gen_latch.h"
#include "machine/nvram.h"


class dynadice_state : public driver_device
{
public:
	dynadice_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_videoram(*this, "videoram"),
		m_maincpu(*this, "maincpu"),
		m_gfxdecode(*this, "gfxdecode") { }

	/* memory pointers */
	required_shared_ptr<UINT8> m_videoram;
//  UINT8 *  m_nvram;     // currently this uses generic nvram handling

	/* video-related */
	tilemap_t  *m_bg_tilemap;
	tilemap_t  *m_top_tilemap;

	/* misc */
	int      m_ay_data;
	DECLARE_WRITE8_MEMBER(dynadice_videoram_w);
	DECLARE_WRITE8_MEMBER(sound_data_w);
	DECLARE_WRITE8_MEMBER(sound_control_w);
	DECLARE_DRIVER_INIT(dynadice);
	TILE_GET_INFO_MEMBER(get_tile_info);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	UINT32 screen_update_dynadice(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
};


WRITE8_MEMBER(dynadice_state::dynadice_videoram_w)
{
	m_videoram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
	m_top_tilemap->mark_all_dirty();
}

WRITE8_MEMBER(dynadice_state::sound_data_w)
{
	m_ay_data = data;
}

WRITE8_MEMBER(dynadice_state::sound_control_w)
{
	ay8910_device *ay8910 = machine().device<ay8910_device>("aysnd");
/*
    AY 3-8910 :

    D0 - BC1
    D1 - BC2
    D2 - BDIR
    D3 - /Reset

*/
	if ((data & 7) == 7)
		ay8910->address_w(space, 0, m_ay_data);

	if ((data & 7) == 6)
		ay8910->data_w(space, 0, m_ay_data);
}


static ADDRESS_MAP_START( dynadice_map, AS_PROGRAM, 8, dynadice_state )
	AM_RANGE(0x0000, 0x1fff) AM_ROM
	AM_RANGE(0x2000, 0x23ff) AM_RAM_WRITE(dynadice_videoram_w) AM_SHARE("videoram")
	AM_RANGE(0x4000, 0x40ff) AM_RAM AM_SHARE("nvram")
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_io_map, AS_IO, 8, dynadice_state )
	AM_RANGE(0x50, 0x50) AM_READ_PORT("IN0")
	AM_RANGE(0x51, 0x51) AM_READ_PORT("IN1")
	AM_RANGE(0x52, 0x52) AM_READ_PORT("DSW")
	AM_RANGE(0x62, 0x62) AM_WRITENOP
	AM_RANGE(0x63, 0x63) AM_DEVWRITE("soundlatch", generic_latch_8_device, write)
	AM_RANGE(0x70, 0x77) AM_WRITENOP
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_sound_map, AS_PROGRAM, 8, dynadice_state )
	AM_RANGE(0x0000, 0x07ff) AM_ROM
	AM_RANGE(0x2000, 0x23ff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_sound_io_map, AS_IO, 8, dynadice_state )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_DEVREAD("soundlatch", generic_latch_8_device, read)
	AM_RANGE(0x01, 0x01) AM_DEVWRITE("soundlatch", generic_latch_8_device, write)
	AM_RANGE(0x02, 0x02) AM_WRITE(sound_data_w)
	AM_RANGE(0x03, 0x03) AM_WRITE(sound_control_w)
ADDRESS_MAP_END

static INPUT_PORTS_START( dynadice )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_DIPNAME( 0x02, 0x02, "Initialize NVRAM" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) /* increase number of coins */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* decrease number of coins */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )  /* start /stop */

	PORT_START("DSW")
	PORT_DIPNAME( 0x1c, 0x1c, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 5C_1C ))
	PORT_DIPSETTING(    0x04, DEF_STR( 4C_1C ))
	PORT_DIPSETTING(    0x08, DEF_STR( 3C_1C ))
	PORT_DIPSETTING(    0x0c, DEF_STR( 2C_1C ))
	PORT_DIPSETTING(    0x1c, DEF_STR( 1C_1C ))
	PORT_DIPSETTING(    0x18, DEF_STR( 1C_2C ))
	PORT_DIPSETTING(    0x14, DEF_STR( 1C_3C ))
	PORT_DIPSETTING(    0x10, DEF_STR( 1C_4C ))

	PORT_DIPNAME( 0x01, 0x01, "DSW 1-0" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "DSW 1-1" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, "DSW 1-5" )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "DSW 1-6" )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "DSW 1-7" )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END

static const gfx_layout charlayout =
{
	8,8,
	RGN_FRAC(1,1),
	1,
	{ 0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8*8
};

static const gfx_layout charlayout2 =
{
	8,8,
	RGN_FRAC(1,1),
	3,
	{ 5,6,7 },
	{ 0, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	{ 0*8*8, 1*8*8, 2*8*8, 3*8*8, 4*8*8, 5*8*8, 6*8*8, 7*8*8 },
	8*8*8
};


static GFXDECODE_START( dynadice )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout,   0, 1 ) /* 1bpp */
	GFXDECODE_ENTRY( "gfx2", 0, charlayout2,  0, 1 ) /* 3bpp */
GFXDECODE_END

TILE_GET_INFO_MEMBER(dynadice_state::get_tile_info)
{
	int code = m_videoram[tile_index];
	SET_TILE_INFO_MEMBER(1, code, 0, 0);
}

void dynadice_state::video_start()
{
	/* pacman - style videoram layout */
	m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(dynadice_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
	m_top_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(dynadice_state::get_tile_info),this), TILEMAP_SCAN_COLS, 8, 8, 2, 32);
	m_bg_tilemap->set_scrollx(0, -16);
}

UINT32 dynadice_state::screen_update_dynadice(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	rectangle myclip = cliprect;
	myclip.max_x = 15;
	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
	m_top_tilemap->draw(screen, bitmap, myclip, 0, 0);
	return 0;
}

void dynadice_state::machine_start()
{
	save_item(NAME(m_ay_data));
}

void dynadice_state::machine_reset()
{
	m_ay_data = 0;
}

static MACHINE_CONFIG_START( dynadice, dynadice_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", I8080,18432000/8)
	MCFG_CPU_PROGRAM_MAP(dynadice_map)
	MCFG_CPU_IO_MAP(dynadice_io_map)

	MCFG_CPU_ADD("audiocpu", Z80,18432000/6)
	MCFG_CPU_PROGRAM_MAP(dynadice_sound_map)
	MCFG_CPU_IO_MAP(dynadice_sound_io_map)


	MCFG_NVRAM_ADD_0FILL("nvram")

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(256+16, 256)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 34*8-1, 3*8, 28*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(dynadice_state, screen_update_dynadice)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_GFXDECODE_ADD("gfxdecode", "palette", dynadice)
	MCFG_PALETTE_ADD_3BIT_BRG("palette")

	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_GENERIC_LATCH_8_ADD("soundlatch")

	MCFG_SOUND_ADD("aysnd", AY8910, 2000000)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END

ROM_START( dynadice )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "dy_1.bin",     0x0000, 0x1000, CRC(4ad18724) SHA1(78151b02a727f4272eff72765883df9ca09606c3) )
	ROM_LOAD( "dy_2.bin",     0x1000, 0x0800, CRC(82cb1873) SHA1(661f33af4a536b7929d432d755ab44f9280f82db) )
	ROM_LOAD( "dy_3.bin",     0x1800, 0x0800, CRC(a8edad20) SHA1(b812141f216355c986047969326bd1e036be71e6) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "dy_6.bin",     0x0000, 0x0800, CRC(d4e6e6a3) SHA1(84c0fcfd8326a4301accbd192df6e372b98ae537) )

	ROM_REGION( 0x0800, "gfx1", 0 )
	ROM_LOAD( "dy_4.bin",     0x0000, 0x0800, CRC(306b851b) SHA1(bf69ed126d32b31e1711ff23c5a75b8a8bd28207) )

	ROM_REGION( 0x0800*8, "gfx2", ROMREGION_ERASE00 )
	/* gfx data will be rearranged here for 8x8 3bpp tiles */

	ROM_REGION( 0x0800, "user1",0 )
	ROM_LOAD( "dy_5.bin",     0x0000, 0x0800, CRC(e4799462) SHA1(5cd0f003572540522d72706bc5a8fa6588553031) )
ROM_END

DRIVER_INIT_MEMBER(dynadice_state,dynadice)
{
	int i, j;
	UINT8 *usr1 = memregion("user1")->base();
	UINT8 *cpu2 = memregion("audiocpu")->base();
	UINT8 *gfx1 = memregion("gfx1")->base();
	UINT8 *gfx2 = memregion("gfx2")->base();

	cpu2[0x0b] = 0x23;  /* bug in game code  Dec HL -> Inc HL*/

	/* 1bpp tiles -> 3bpp tiles (dy_5.bin  contains bg/fg color data for each tile line) */
	for (i = 0; i < 0x800; i++)
		for (j = 0; j < 8; j++)
			gfx2[(i << 3) + j] = (gfx1[i] & (0x80 >> j)) ? (usr1[i] & 7) : (usr1[i] >> 4);
}

GAME( 19??, dynadice, 0, dynadice, dynadice, dynadice_state, dynadice, ROT90, "<unknown>", "Dynamic Dice", MACHINE_SUPPORTS_SAVE )