diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index b8920d88976..c834c2e7f27 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -3501,6 +3501,7 @@ files {
 	MAME_DIR .. "src/mame/machine/xbox_usb.cpp",
 	MAME_DIR .. "src/mame/machine/xbox_pci.cpp",
 	MAME_DIR .. "src/mame/drivers/flashbeats.cpp",
+	MAME_DIR .. "src/mame/drivers/segaatom.cpp",
 }
 
 createMAMEProjects(_target, _subtarget, "seibu")
diff --git a/src/mame/arcade.flt b/src/mame/arcade.flt
index 7949cdde680..314b931bd79 100644
--- a/src/mame/arcade.flt
+++ b/src/mame/arcade.flt
@@ -1044,6 +1044,7 @@ sderby2.cpp
 seabattl.cpp
 sealy.cpp
 seattle.cpp
+segaatom.cpp
 segac2.cpp
 segacoin.cpp
 segae.cpp
diff --git a/src/mame/drivers/segaatom.cpp b/src/mame/drivers/segaatom.cpp
new file mode 100644
index 00000000000..83f31daddb9
--- /dev/null
+++ b/src/mame/drivers/segaatom.cpp
@@ -0,0 +1,140 @@
+// license:BSD-3-Clause
+// copyright-holders:MetalliC
+/***************************************************************************
+
+    Atom II
+	(c) Sega 200?
+
+ Main board:
+  Sega PC BD ATOM II
+  837-14800
+  U0150841
+  (c) Sega 2007 171-8477A
+
+   Hitachi H8S/2373 CPU
+   25MHz OSC
+   R1LV0408CSP 512k x8 SRAM
+   M27C4001 512k x8 IC4 EPROM DIL socket
+   Axell AG-2 AX51201 GPU
+   25.18MHz OSC
+   2x 48LC8M16A2 2M x16 x4banks SDRAM (2x 16Mbyte)
+   Yamaha YMZ770C-F
+   16.384MHz OSC
+   Sega 315-6549 (Xilinx XC95144XL CPLD)
+
+ ROM board:
+  PC BD ATOM MEMO
+  837-14806
+  (c) Sega 2006 171-8363B
+
+   3x S29GL128N 128Mbit flash ROMs
+
+***************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/h8/h8s2357.h"
+#include "sound/ymz770.h"
+#include "emupal.h"
+#include "screen.h"
+#include "speaker.h"
+
+class atom2_state : public driver_device
+{
+public:
+	atom2_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+	{
+	}
+
+	void atom2(machine_config &config);
+
+protected:
+	// driver_device overrides
+	virtual void machine_start() override;
+	virtual void machine_reset() override;
+
+	virtual void video_start() override;
+
+private:
+	// screen updates
+	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+	void atom2_map(address_map &map);
+
+	// devices
+	required_device<cpu_device> m_maincpu;
+};
+
+void atom2_state::video_start()
+{
+}
+
+uint32_t atom2_state::screen_update( screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect )
+{
+	return 0;
+}
+
+void atom2_state::machine_start()
+{
+}
+
+void atom2_state::machine_reset()
+{
+}
+
+static INPUT_PORTS_START( atom2 )
+INPUT_PORTS_END
+
+void atom2_state::atom2_map(address_map &map)
+{
+	map(0x000000, 0x1fffff).rom().region("maincpu", 0);
+}
+
+
+void atom2_state::atom2(machine_config &config)
+{
+	/* basic machine hardware */
+	H8S2394(config, m_maincpu, 25_MHz_XTAL);  // wrong type, should be H8S/2378 family group
+	m_maincpu->set_addrmap(AS_PROGRAM, &atom2_state::atom2_map);
+
+	/* video hardware dummy */
+	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+	screen.set_refresh_hz(60);
+	screen.set_size(640, 480);
+	screen.set_visarea(0, 639, 0, 479);
+	screen.set_screen_update(FUNC(atom2_state::screen_update));
+
+	PALETTE(config, "palette").set_entries(65536);
+
+	/* sound hardware */
+	SPEAKER(config, "lspeaker").front_left();
+	SPEAKER(config, "rspeaker").front_right();
+
+	ymz770_device &ymz770(YMZ770(config, "ymz770", 16.384_MHz_XTAL));
+	ymz770.add_route(0, "lspeaker", 1.0);
+	ymz770.add_route(1, "rspeaker", 1.0);
+}
+
+
+/***************************************************************************
+
+  ROM definition(s)
+
+***************************************************************************/
+
+ROM_START( spongbob )
+	ROM_REGION( 0x2000000, "maincpu", ROMREGION_ERASE00 )
+	// Main board
+	ROM_LOAD("ic4", 0x0000000, 0x80000, NO_DUMP )
+
+	// ROM board
+	ROM_LOAD("ic1", 0x0000000, 0x1000000, CRC(607a0989) SHA1(17706df8400e13800edd1d1cf45047d1c970d0b8) )
+	ROM_LOAD("ic2", 0x1000000, 0x1000000, CRC(88c8db6b) SHA1(d716e752a3e70e6cfdf82bb1e9ef73897452bb84) )
+
+	ROM_REGION(0x1000000, "ymz770", ROMREGION_ERASEFF)
+	ROM_LOAD("ic5", 0x0000000, 0x1000000, CRC(d8e9bc95) SHA1(91798ea0f47f3340bc32b754d0be8fec5d093122) )
+ROM_END
+
+GAME( 200?, spongbob,  0, atom2, atom2, atom2_state, empty_init, ROT0, "Sega",      "SpongeBob SquarePants Ticket Boom", MACHINE_NOT_WORKING|MACHINE_IMPERFECT_GRAPHICS )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 1678c8488fb..bdabf4dc114 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -34398,6 +34398,9 @@ beena                           //
 @source:sega_sawatte.cpp
 sawatte                         //
 
+@source:segaatom.cpp
+spongbob                        // (c) 200? Sega
+
 @source:segac2.cpp
 anpanman                        // (c) 1993 Sega
 bloxeedc                        // (c) 1989 Sega / Elorg