New machines marked as NOT_WORKING

----------------------------------
Trio de Bingo [Yasu]

scripts/target/mame/arcade.lua

@@ -2502,6 +2502,7 @@ files {
 	MAME_DIR .. "src/mame/video/3dom2_te.cpp",
 	MAME_DIR .. "src/mame/video/3dom2_te.h",
 	MAME_DIR .. "src/mame/drivers/konblands.cpp",
+	MAME_DIR .. "src/mame/drivers/kongs470.cpp",
 	MAME_DIR .. "src/mame/drivers/konmedal.cpp",
 	MAME_DIR .. "src/mame/drivers/konmedal68k.cpp",
 	MAME_DIR .. "src/mame/drivers/kontest.cpp",

src/mame/arcade.flt

@@ -640,6 +640,7 @@ konamigx.cpp
 konamim2.cpp
 konblands.cpp
 konendev.cpp
+kongs470.cpp
 konmedal.cpp
 konmedal68k.cpp
 kontest.cpp

src/mame/drivers/kongs470.cpp

@@ -0,0 +1,117 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+/*
+Trio de Bingo (GS470)
+(c) Konami
+
+CPU   : 68000
+Sound : 054539
+
+Main board (with sound)
+
+470A02      ; 27C4001
+470A03      ;  |
+470A04      ;  /
+470G01      ; 27C4096 main prg
+*/
+
+#include "emu.h"
+#include "cpu/m68000/m68000.h"
+#include "sound/k054539.h"
+#include "emupal.h"
+#include "screen.h"
+#include "speaker.h"
+
+
+namespace {
+
+class kongs470_state : public driver_device
+{
+public:
+	kongs470_state(const machine_config &mconfig, device_type type, const char *tag) :
+		driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu")
+	{ }
+
+	void kongs470(machine_config &config);
+
+protected:
+	virtual void machine_start() override;
+
+private:
+	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+	void main_map(address_map &map);
+
+	required_device<cpu_device> m_maincpu;
+};
+
+
+uint32_t kongs470_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+
+void kongs470_state::main_map(address_map &map)
+{
+	map(0x000000, 0x07ffff).rom().region("maincpu", 0);
+	map(0x100000, 0x10ffff).ram();
+}
+
+
+static INPUT_PORTS_START( tdbingo )
+	PORT_START("IN0")
+	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+	PORT_START("IN1")
+	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
+INPUT_PORTS_END
+
+
+void kongs470_state::machine_start()
+{
+}
+
+
+void kongs470_state::kongs470(machine_config &config)
+{
+	// basic machine hardware
+	M68000(config, m_maincpu, 10'000'000); // clock unverified
+	m_maincpu->set_addrmap(AS_PROGRAM, &kongs470_state::main_map);
+
+	// video hardware, all TBD
+	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+	screen.set_refresh_hz(60);
+	screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
+	screen.set_size(64*8, 32*8);
+	screen.set_visarea(40, 400-1, 16, 240-1);
+	screen.set_screen_update(FUNC(kongs470_state::screen_update));
+
+	// sound hardware
+	SPEAKER(config, "lspeaker").front_left();
+	SPEAKER(config, "rspeaker").front_right();
+
+	k054539_device &k054539(K054539(config, "k054539", 10'000'000)); // clock unverified
+	k054539.add_route(0, "rspeaker", 0.75);
+	k054539.add_route(1, "lspeaker", 0.75);
+}
+
+
+ROM_START( tdbingo )
+	ROM_REGION( 0x80000, "maincpu", 0 )
+	ROM_LOAD16_WORD_SWAP( "470g01.bin", 0x00000, 0x80000, CRC(c0015cfb) SHA1(633e1d6c12691ddd31ccdd41b213b6ed33ae4554) )
+
+	ROM_REGION( 0x100000, "gfx", 0 )   // which GFX custom does this use, if any?
+	ROM_LOAD( "470a02.bin", 0x000000, 0x080000, CRC(5b68522d) SHA1(2f14857d315b524ec27238f8e33e650843bda256) )
+	ROM_LOAD( "470a03.bin", 0x080000, 0x080000, CRC(25ee73f3) SHA1(119c99af839f5def342930dccf45d205ad83aef7) )
+
+	ROM_REGION( 0x80000, "k054539", 0 )
+	ROM_LOAD( "470a04.bin", 0x00000, 0x80000, CRC(9b432c4b) SHA1(9ab0396579aba215c8adc81b6568b2b94c226589) )
+ROM_END
+
+} // Anonymous namespace
+
+
+GAME( 199?, tdbingo,  0, kongs470, tdbingo, kongs470_state, empty_init, ROT0, "Konami", "Trio de Bingo", MACHINE_IS_SKELETON )

src/mame/mame.lst

@@ -19040,6 +19040,9 @@ sultanw                         // Sultan W
 whiterus                        // White Russia
 rapfire5                        // Rapid Fire 5
 
+@source:kongs470.cpp
+tdbingo                         //
+
 @source:konin.cpp
 konin                           //