diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index 189cc1f27ee..ffe033b3adb 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -3496,6 +3496,7 @@ files {
 	MAME_DIR .. "src/mame/video/pass.c",
 	MAME_DIR .. "src/mame/drivers/peplus.c",
 	MAME_DIR .. "src/mame/drivers/photon.c",
+	MAME_DIR .. "src/mame/drivers/piggypas.c",
 	MAME_DIR .. "src/mame/video/pk8000.c",
 	MAME_DIR .. "src/mame/drivers/photon2.c",
 	MAME_DIR .. "src/mame/drivers/photoply.c",
diff --git a/src/mame/arcade.lst b/src/mame/arcade.lst
index 529864f503c..a083d70226b 100644
--- a/src/mame/arcade.lst
+++ b/src/mame/arcade.lst
@@ -32207,3 +32207,7 @@ alinvade
 joystand   // 1997 Yuvo
 chexx83    // 1983 ICE
 faceoffh   // 1983 SoftLogic / Entertainment Enterprises
+
+// Doyle & Assoc.
+piggypas
+
diff --git a/src/mame/drivers/piggypas.c b/src/mame/drivers/piggypas.c
new file mode 100644
index 00000000000..a56b190365a
--- /dev/null
+++ b/src/mame/drivers/piggypas.c
@@ -0,0 +1,102 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/*
+
+Piggy Pass
+
+main program rom contains the following near the start
+COPYRIGHT (c) 1990, 1991, 1992, DOYLE & ASSOC., INC.   VERSION 04.40
+
+hw platform unknown
+game details unknown
+
+*/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/okim6295.h"
+
+class piggypas_state : public driver_device
+{
+public:
+	piggypas_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu")
+	{ }
+
+	virtual void machine_start();
+	virtual void machine_reset();
+	required_device<cpu_device> m_maincpu;
+};
+
+
+
+static ADDRESS_MAP_START( piggypas_map, AS_PROGRAM, 8, piggypas_state )
+	AM_RANGE(0x0000, 0x7fff) AM_ROM
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( piggypas )
+	PORT_START("IN0")
+	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+
+
+void piggypas_state::machine_start()
+{
+}
+
+void piggypas_state::machine_reset()
+{
+}
+
+static MACHINE_CONFIG_START( piggypas, piggypas_state )
+
+	/* basic machine hardware */
+	MCFG_CPU_ADD("maincpu", Z80,8000000) // wrong CPU? (not valid Z80 code)
+	MCFG_CPU_PROGRAM_MAP(piggypas_map)
+//	MCFG_CPU_VBLANK_INT_DRIVER("screen", piggypas_state,  irq0_line_hold)
+
+	/* sound hardware */
+	MCFG_SPEAKER_STANDARD_MONO("mono")
+
+	MCFG_OKIM6295_ADD("oki", 1000000, OKIM6295_PIN7_HIGH) // not verified
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+
+ROM_START( piggypas )
+	ROM_REGION( 0x10000, "maincpu", 0 )
+	ROM_LOAD( "pigypass.u6", 0x00000, 0x10000, CRC(c8dc4e26) SHA1(f9643945f84fe2679742922abf5a92b77bf59e4c) )
+
+	ROM_REGION( 0x40000, "oki", 0 )
+	ROM_LOAD( "pigypass.u14", 0x00000, 0x40000, CRC(855504c1) SHA1(dfe91943057fa66798c8395348cf703cb11468d2) )
+ROM_END
+
+
+GAME( 1992, piggypas,  0,    piggypas, piggypas, driver_device,  0, ROT0, "Doyle & Assoc.", "Piggy Pass (version 04.40)", MACHINE_IS_SKELETON_MECHANICAL )