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Diffstat (limited to 'trunk/src/mame/drivers/ppmast93.c')
-rw-r--r--trunk/src/mame/drivers/ppmast93.c415
1 files changed, 415 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/ppmast93.c b/trunk/src/mame/drivers/ppmast93.c
new file mode 100644
index 00000000000..0f5c06216e7
--- /dev/null
+++ b/trunk/src/mame/drivers/ppmast93.c
@@ -0,0 +1,415 @@
+/*
+
+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/3812intf.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) { }
+
+ tilemap_t *m_fg_tilemap;
+ tilemap_t *m_bg_tilemap;
+ UINT8 *m_fgram;
+ UINT8 *m_bgram;
+};
+
+
+
+
+static WRITE8_HANDLER( ppmast93_fgram_w )
+{
+ ppmast93_state *state = space->machine().driver_data<ppmast93_state>();
+ state->m_fgram[offset] = data;
+ tilemap_mark_tile_dirty(state->m_fg_tilemap,offset/2);
+}
+
+static WRITE8_HANDLER( ppmast93_bgram_w )
+{
+ ppmast93_state *state = space->machine().driver_data<ppmast93_state>();
+ state->m_bgram[offset] = data;
+ tilemap_mark_tile_dirty(state->m_bg_tilemap,offset/2);
+}
+
+static WRITE8_HANDLER( ppmast93_port4_w )
+{
+ UINT8 *rom = space->machine().region("maincpu")->base();
+ int bank;
+
+ coin_counter_w(space->machine(), 0, data & 0x08);
+ coin_counter_w(space->machine(), 1, data & 0x10);
+
+ bank = data & 0x07;
+ memory_set_bankptr(space->machine(), "bank1",&rom[0x10000+(bank*0x4000)]);
+}
+
+static ADDRESS_MAP_START( ppmast93_cpu1_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM AM_WRITENOP AM_REGION("maincpu", 0x10000)
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
+ AM_RANGE(0xd000, 0xd7ff) AM_RAM_WRITE(ppmast93_bgram_w) AM_BASE_MEMBER(ppmast93_state, m_bgram) AM_SHARE("share1")
+ AM_RANGE(0xd800, 0xdfff) AM_WRITENOP
+ AM_RANGE(0xf000, 0xf7ff) AM_RAM_WRITE(ppmast93_fgram_w) AM_BASE_MEMBER(ppmast93_state, m_fgram) AM_SHARE("share2")
+ AM_RANGE(0xf800, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( ppmast93_cpu1_io, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_READ_PORT("P1")
+ AM_RANGE(0x02, 0x02) AM_READ_PORT("P2")
+ AM_RANGE(0x04, 0x04) AM_READ_PORT("SYSTEM")
+ AM_RANGE(0x06, 0x06) AM_READ_PORT("DSW1")
+ AM_RANGE(0x08, 0x08) AM_READ_PORT("DSW2")
+
+ AM_RANGE(0x00, 0x00) AM_WRITE(soundlatch_w)
+ AM_RANGE(0x04, 0x04) AM_WRITE(ppmast93_port4_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( ppmast93_cpu2_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0xfbff) AM_ROM AM_REGION("sub", 0x10000)
+ AM_RANGE(0xfc00, 0xfc00) AM_READ(soundlatch_r)
+ AM_RANGE(0xfd00, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+
+static WRITE8_HANDLER(ppmast_sound_w)
+{
+ switch(offset&0xff)
+ {
+ case 0:
+ case 1: ym2413_w(space->machine().device("ymsnd"),offset,data); break;
+ case 2: dac_data_w(space->machine().device("dac"),data);break;
+ default: logerror("%x %x - %x\n",offset,data,cpu_get_previouspc(&space->device()));
+ }
+}
+
+static ADDRESS_MAP_START( ppmast93_cpu2_io, AS_IO, 8 )
+ AM_RANGE(0x0000, 0xffff) AM_ROM AM_WRITE(ppmast_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
+
+static TILE_GET_INFO( get_ppmast93_bg_tile_info )
+{
+ ppmast93_state *state = machine.driver_data<ppmast93_state>();
+ int code = (state->m_bgram[tile_index*2+1] << 8) | state->m_bgram[tile_index*2];
+ SET_TILE_INFO(
+ 0,
+ code & 0x0fff,
+ (code & 0xf000) >> 12,
+ 0);
+}
+
+static TILE_GET_INFO( get_ppmast93_fg_tile_info )
+{
+ ppmast93_state *state = machine.driver_data<ppmast93_state>();
+ int code = (state->m_fgram[tile_index*2+1] << 8) | state->m_fgram[tile_index*2];
+ SET_TILE_INFO(
+ 0,
+ (code & 0x0fff)+0x1000,
+ (code & 0xf000) >> 12,
+ 0);
+}
+
+static VIDEO_START( ppmast93 )
+{
+ ppmast93_state *state = machine.driver_data<ppmast93_state>();
+ state->m_bg_tilemap = tilemap_create(machine, get_ppmast93_bg_tile_info,tilemap_scan_rows,8,8,32, 32);
+ state->m_fg_tilemap = tilemap_create(machine, get_ppmast93_fg_tile_info,tilemap_scan_rows,8,8,32, 32);
+
+ tilemap_set_transparent_pen(state->m_fg_tilemap,0);
+}
+
+static SCREEN_UPDATE( ppmast93 )
+{
+ ppmast93_state *state = screen->machine().driver_data<ppmast93_state>();
+ tilemap_draw(bitmap,cliprect,state->m_bg_tilemap,0,0);
+ tilemap_draw(bitmap,cliprect,state->m_fg_tilemap,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("screen", 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(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_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(256, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
+ MCFG_SCREEN_UPDATE(ppmast93)
+
+ MCFG_GFXDECODE(ppmast93)
+
+ MCFG_PALETTE_INIT(RRRR_GGGG_BBBB)
+ MCFG_PALETTE_LENGTH(0x100)
+
+ MCFG_VIDEO_START(ppmast93)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("ymsnd", YM2413, 5000000/2)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+ MCFG_SOUND_ADD("dac", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60)
+
+MACHINE_CONFIG_END
+
+ROM_START( ppmast93 )
+ ROM_REGION( 0x30000, "maincpu", 0 )
+ ROM_LOAD( "2.up7", 0x10000, 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, 0, ROT0, "Electronic Devices S.R.L.", "Ping Pong Masters '93", GAME_IMPERFECT_SOUND )