// license:BSD-3-Clause
// copyright-holders:David Haywood
/*

Ping Pong Masters '93
Electronic Devices, 1993

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

|----------------------------------------------|
|                                              |
|          2018                                |
|          1.UE7                 YM2413        |
|                    |----------|              |
|          Z80       |Unknown   | 24MHz   PROM1|
|                    |PLCC84    |              |
|J  DSW2             |          |         PROM2|
|A           2.UP7   |          |      PAL     |
|M                   |          | PAL     PROM3|
|M  DSW1      2018   |----------|              |
|A                                   2018      |
|             PAL                    2018      |
|                          5MHz                |
|                                              |
|                                              |
|                                              |
|          Z80             3.UG16     4.UG15   |
|----------------------------------------------|
Notes:
      Z80 clock    : 5.000MHz (both)
      YM2413 clock : 2.500MHz (5/2)
      VSync        : 55Hz


Dip Switch Settings
-------------------

SW1                1     2     3     4     5     6     7     8
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|
|Coin1  | 1C 1P | OFF | OFF | OFF | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 2P | ON  | OFF | OFF | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 3P | OFF | ON  | OFF | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 4P | ON  | ON  | OFF | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 5P | OFF | OFF | ON  | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 1P | ON  | OFF | ON  | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 3P | OFF | ON  | ON  | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 5P | ON  | ON  | ON  | OFF |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 1P | OFF | OFF | OFF | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 2P | ON  | OFF | OFF | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 5P | OFF | ON  | OFF | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 1P | ON  | ON  | OFF | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 3P | OFF | OFF | ON  | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 5P | ON  | OFF | ON  | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 5C 1P | OFF | ON  | ON  | ON  |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 5C 2P | ON  | ON  | ON  | ON  |     |     |     |     |
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|
|Coin2  | 1C 1P |     |     |     |     | OFF | OFF | OFF | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 2P |     |     |     |     | ON  | OFF | OFF | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 3P |     |     |     |     | OFF | ON  | OFF | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 4P |     |     |     |     | ON  | ON  | OFF | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 1C 5P |     |     |     |     | OFF | OFF | ON  | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 1P |     |     |     |     | ON  | OFF | ON  | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 3P |     |     |     |     | OFF | ON  | ON  | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 2C 5P |     |     |     |     | ON  | ON  | ON  | OFF |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 1P |     |     |     |     | OFF | OFF | OFF | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 2P |     |     |     |     | ON  | OFF | OFF | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 3C 5P |     |     |     |     | OFF | ON  | OFF | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 1P |     |     |     |     | ON  | ON  | OFF | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 3P |     |     |     |     | OFF | OFF | ON  | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 4C 5P |     |     |     |     | ON  | OFF | ON  | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 5C 1P |     |     |     |     | OFF | ON  | ON  | ON  |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | 5C 2P |     |     |     |     | ON  | ON  | ON  | ON  |
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|

SW2                1     2     3     4     5     6     7     8
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|
|Diffic-| Easy  | OFF | OFF |     |     |     |     |     |     |
|ulty   |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | Normal| ON  | OFF |     |     |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | Hard  | OFF | ON  |     |     |     |     |     |     |
|       |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | V.Hard| ON  | ON  |     |     |     |     |     |     |
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|
|Demo   |Without|     |     | OFF |     |     |     |     |     |
|Sound  |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | With  |     |     | ON  |     |     |     |     |     |
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|
|Test   | No    |     |     |     | OFF |     |     |     |     |
|Mode   |-------|-----|-----|-----|-----|-----|-----|-----|-----|
|       | Yes   |     |     |     | ON  |     |     |     |     |
|-------|-------|-----|-----|-----|-----|-----|-----|-----|-----|

The DIP sheet also seems to suggest the use of a 4-way joystick and 2 buttons,
one for shoot and one for select.


2008-08
Dip locations added based on the notes above.

*/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/2413intf.h"
#include "sound/dac.h"


class ppmast93_state : public driver_device
{
public:
	ppmast93_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_dac(*this, "dac"),
		m_ymsnd(*this, "ymsnd"),
		m_gfxdecode(*this, "gfxdecode"),
		m_bgram(*this, "bgram"),
		m_fgram(*this, "fgram") { }

	required_device<cpu_device> m_maincpu;
	required_device<dac_device> m_dac;
	required_device<ym2413_device> m_ymsnd;
	required_device<gfxdecode_device> m_gfxdecode;

	required_shared_ptr<UINT8> m_bgram;
	required_shared_ptr<UINT8> m_fgram;

	tilemap_t *m_fg_tilemap;
	tilemap_t *m_bg_tilemap;

	DECLARE_WRITE8_MEMBER(fgram_w);
	DECLARE_WRITE8_MEMBER(bgram_w);
	DECLARE_WRITE8_MEMBER(port4_w);
	DECLARE_WRITE8_MEMBER(sound_w);

	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	TILE_GET_INFO_MEMBER(get_fg_tile_info);

	virtual void machine_start();
	virtual void video_start();

	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};


void ppmast93_state::machine_start()
{
	membank("cpubank")->configure_entries(0, 8, memregion("maincpu")->base(), 0x4000);
}

WRITE8_MEMBER(ppmast93_state::fgram_w)
{
	m_fgram[offset] = data;
	m_fg_tilemap->mark_tile_dirty(offset/2);
}

WRITE8_MEMBER(ppmast93_state::bgram_w)
{
	m_bgram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset/2);
}

WRITE8_MEMBER(ppmast93_state::port4_w)
{
	coin_counter_w(machine(), 0, data & 0x08);
	coin_counter_w(machine(), 1, data & 0x10);

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

static ADDRESS_MAP_START( ppmast93_cpu1_map, AS_PROGRAM, 8, ppmast93_state )
	AM_RANGE(0x0000, 0x7fff) AM_ROM AM_WRITENOP
	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("cpubank")
	AM_RANGE(0xd000, 0xd7ff) AM_RAM_WRITE(bgram_w) AM_SHARE("bgram")
	AM_RANGE(0xd800, 0xdfff) AM_WRITENOP
	AM_RANGE(0xf000, 0xf7ff) AM_RAM_WRITE(fgram_w) AM_SHARE("fgram")
	AM_RANGE(0xf800, 0xffff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( ppmast93_cpu1_io, AS_IO, 8, ppmast93_state )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_READ_PORT("P1") AM_WRITE(soundlatch_byte_w)
	AM_RANGE(0x02, 0x02) AM_READ_PORT("P2")
	AM_RANGE(0x04, 0x04) AM_READ_PORT("SYSTEM") AM_WRITE(port4_w)
	AM_RANGE(0x06, 0x06) AM_READ_PORT("DSW1")
	AM_RANGE(0x08, 0x08) AM_READ_PORT("DSW2")
ADDRESS_MAP_END

static ADDRESS_MAP_START( ppmast93_cpu2_map, AS_PROGRAM, 8, ppmast93_state )
	AM_RANGE(0x0000, 0xfbff) AM_ROM AM_REGION("sub", 0x10000)
	AM_RANGE(0xfc00, 0xfc00) AM_READ(soundlatch_byte_r)
	AM_RANGE(0xfd00, 0xffff) AM_RAM
ADDRESS_MAP_END


WRITE8_MEMBER(ppmast93_state::sound_w)
{
	switch(offset&0xff)
	{
		case 0:
		case 1: m_ymsnd->write(space,offset,data); break;
		case 2: m_dac->write_unsigned8(data);break;
		default: logerror("%x %x - %x\n",offset,data,space.device().safe_pcbase());
	}
}

static ADDRESS_MAP_START( ppmast93_cpu2_io, AS_IO, 8, ppmast93_state )
		AM_RANGE(0x0000, 0xffff) AM_ROM AM_WRITE(sound_w) AM_REGION("sub", 0x20000)
ADDRESS_MAP_END

static INPUT_PORTS_START( ppmast93 )
	PORT_START("P1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) // nothing?
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START("P2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) // nothing?
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SPECIAL ) // or it always goes to test mode
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2,3,4")
	PORT_DIPSETTING(    0x01, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x00, "5 Coins/2 Credits" )
	PORT_DIPSETTING(    0x0a, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 4C_5C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x05, "3 Coins/5 Credits" )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:5,6,7,8")
	PORT_DIPSETTING(    0x10, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x00, "5 Coins/2 Credits" )
	PORT_DIPSETTING(    0xa0, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_5C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x50, "3 Coins/5 Credits" )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Hard ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x03, DEF_STR( Easy ) )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_SERVICE_DIPLOC( 0x08, IP_ACTIVE_LOW, "SW2:4" )
	PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x10, "SW2:5" )
	PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x20, "SW2:6" )
	PORT_DIPUNKNOWN_DIPLOC( 0x40, 0x40, "SW2:7" )
	PORT_DIPUNKNOWN_DIPLOC( 0x80, 0x80, "SW2:8" )
INPUT_PORTS_END

static const gfx_layout tiles8x8_layout =
{
	8,8,
	RGN_FRAC(1,1),
	4,
	{ 0, 2, 4, 6 },
	{ 1, 0, 9, 8, 17, 16, 25, 24 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static GFXDECODE_START( ppmast93 )
	GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_END

TILE_GET_INFO_MEMBER(ppmast93_state::get_bg_tile_info)
{
	int code = (m_bgram[tile_index*2+1] << 8) | m_bgram[tile_index*2];
	SET_TILE_INFO_MEMBER(0,
			code & 0x0fff,
			(code & 0xf000) >> 12,
			0);
}

TILE_GET_INFO_MEMBER(ppmast93_state::get_fg_tile_info)
{
	int code = (m_fgram[tile_index*2+1] << 8) | m_fgram[tile_index*2];
	SET_TILE_INFO_MEMBER(0,
			(code & 0x0fff)+0x1000,
			(code & 0xf000) >> 12,
			0);
}

void ppmast93_state::video_start()
{
	m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(ppmast93_state::get_bg_tile_info),this),TILEMAP_SCAN_ROWS,8,8,32, 32);
	m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(ppmast93_state::get_fg_tile_info),this),TILEMAP_SCAN_ROWS,8,8,32, 32);

	m_fg_tilemap->set_transparent_pen(0);
}

UINT32 ppmast93_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	m_bg_tilemap->draw(screen, bitmap, cliprect, 0,0);
	m_fg_tilemap->draw(screen, bitmap, cliprect, 0,0);
	return 0;
}

static MACHINE_CONFIG_START( ppmast93, ppmast93_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80,5000000)         /* 5 MHz */
	MCFG_CPU_PROGRAM_MAP(ppmast93_cpu1_map)
	MCFG_CPU_IO_MAP(ppmast93_cpu1_io)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", ppmast93_state, irq0_line_hold)

	MCFG_CPU_ADD("sub", Z80,5000000)         /* 5 MHz */
	MCFG_CPU_PROGRAM_MAP(ppmast93_cpu2_map)
	MCFG_CPU_IO_MAP(ppmast93_cpu2_io)
	MCFG_CPU_PERIODIC_INT_DRIVER(ppmast93_state, irq0_line_hold, 8000)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(55)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(256, 256)
	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
	MCFG_SCREEN_UPDATE_DRIVER(ppmast93_state, screen_update)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_GFXDECODE_ADD("gfxdecode", "palette", ppmast93)

	MCFG_PALETTE_ADD_RRRRGGGGBBBB_PROMS("palette", 0x100)


	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("ymsnd", YM2413, 5000000/2)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)

	MCFG_DAC_ADD("dac")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60)

MACHINE_CONFIG_END

ROM_START( ppmast93 )
	ROM_REGION( 0x20000, "maincpu", 0 )
	ROM_LOAD( "2.up7", 0x00000, 0x20000, CRC(8854d8db) SHA1(9d93ddfb44d533772af6519747a6cb50b42065cd) )

	ROM_REGION( 0x30000, "sub", 0 )
	ROM_LOAD( "1.ue7", 0x10000, 0x20000, CRC(8e26939e) SHA1(e62441e523f5be6a3889064cc5e0f44545260e93) )

	ROM_REGION( 0x40000, "gfx1", 0 )
	ROM_LOAD( "3.ug16", 0x00000, 0x20000, CRC(8ab24641) SHA1(c0ebee90bf3fe208947ae5ea56f31469ed24d198) )
	ROM_LOAD( "4.ug15", 0x20000, 0x20000, CRC(b16e9fb6) SHA1(53aa962c63319cd649e0c8cf0c26e2308598e1aa) )

	ROM_REGION( 0x300, "proms", 0 )
	ROM_LOAD( "prom3.ug24", 0x000, 0x100, CRC(b1a4415a) SHA1(1dd22260f7dbdc9c812a2349069ed5f3c9c92826) )
	ROM_LOAD( "prom2.ug25", 0x100, 0x100, CRC(4b5055ba) SHA1(6213e79492d35593c643ef5c01ce6a58a77866aa) )
	ROM_LOAD( "prom1.ug26", 0x200, 0x100, CRC(d979c64e) SHA1(172c9579013d58e35a5b4f732e360811ac36295e) )
ROM_END

GAME( 1993, ppmast93, 0, ppmast93, ppmast93, driver_device, 0, ROT0, "Electronic Devices S.R.L.", "Ping Pong Masters '93", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
