new NOT WORKING - Happy Fish (V2 PCB, 302-in-1) [The Dumping Union]

we've been sitting on this for a while, progress was shown a few years ago, but is apparently lost.  Smitdogg should be able to clarify the exact part numbers, they're not readable in the pictures.

scripts/target/mame/arcade.lua

@@ -4450,6 +4450,7 @@ files {
 	MAME_DIR .. "src/mame/includes/gumbo.h",
 	MAME_DIR .. "src/mame/video/gumbo.cpp",
 	MAME_DIR .. "src/mame/drivers/gunpey.cpp",
+	MAME_DIR .. "src/mame/drivers/hapyfish.cpp",
 	MAME_DIR .. "src/mame/drivers/hideseek.cpp",
 	MAME_DIR .. "src/mame/drivers/hazelgr.cpp",
 	MAME_DIR .. "src/mame/drivers/headonb.cpp",

src/mame/arcade.flt

@@ -479,6 +479,7 @@ gyruss.cpp
 halleys.cpp
 hanaawas.cpp
 hankin.cpp
+hapyfish.cpp
 harddriv.cpp
 hazelgr.cpp
 hcastle.cpp

src/mame/drivers/hapyfish.cpp

@@ -0,0 +1,85 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+
+/* Happy Fish (xxx-in-1 multigame)
+
+  Primary system components
+
+  SAMSUNG ARM-based Soc
+  2x SAMSUNG Flash ROMs
+  + a bunch of RAM
+
+  (todo, fill in exact details)
+
+  progress was previously shown with this, booting to the menu at least
+  using (I believe) ghosteo.cpp as a base, but the contributor is no
+  longer active, and that driver was never submitted.
+
+*/
+
+#include "emu.h"
+#include "cpu/arm7/arm7.h"
+#include "cpu/arm7/arm7core.h"
+
+
+class hapyfish_state : public driver_device
+{
+public:
+	hapyfish_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu") { }
+
+	virtual void video_start() override;
+	uint32_t screen_update_hapyfish(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+	required_device<cpu_device> m_maincpu;
+};
+
+static ADDRESS_MAP_START( hapyfish_map, AS_PROGRAM, 32, hapyfish_state )
+	AM_RANGE(0x00000000, 0x00003fff) AM_ROM
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( hapyfish )
+INPUT_PORTS_END
+
+uint32_t hapyfish_state::screen_update_hapyfish(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+void hapyfish_state::video_start()
+{
+}
+
+
+
+static MACHINE_CONFIG_START( hapyfish, hapyfish_state )
+
+	/* basic machine hardware */
+	MCFG_CPU_ADD("maincpu", ARM9, 20000000) // ?? ARM baesd CPU
+	MCFG_CPU_PROGRAM_MAP(hapyfish_map)
+	MCFG_DEVICE_DISABLE()
+
+	/* video hardware */
+	MCFG_SCREEN_ADD("screen", RASTER)
+	MCFG_SCREEN_REFRESH_RATE(60)
+	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+	MCFG_SCREEN_SIZE(64*8, 64*8)
+	MCFG_SCREEN_VISIBLE_AREA(0*8, 56*8-1, 0*8, 28*8-1)
+	MCFG_SCREEN_UPDATE_DRIVER(hapyfish_state, screen_update_hapyfish)
+MACHINE_CONFIG_END
+
+
+
+ROM_START( hapyfsh2 )
+	ROM_REGION( 0x04000, "maincpu", ROMREGION_ERASE00 )
+	// the SoC copies some data from the flash in order to boot
+
+	ROM_REGION( 0x84000000, "flash1", 0 )
+	ROM_LOAD( "flash.u6",        0x00000000, 0x84000000, CRC(3aa364a2) SHA1(fe09f549a937ecaf8f7a859522a6635e272fe714) )
+
+	ROM_REGION( 0x84000000, "flash2", 0 )
+	ROM_LOAD( "flash.u28",        0x00000000, 0x84000000, CRC(f00a25cd) SHA1(9c33f8e26b84cea957d9c37fb83a686b948c6834) )
+ROM_END
+
+ GAME( 201?, hapyfsh2,         0,    hapyfish,    hapyfish, driver_device,    0,       ROT0, "bootleg", "Happy Fish (V2 PCB, 302-in-1)", MACHINE_IS_SKELETON )
+

src/mame/mame.lst

@@ -14106,6 +14106,9 @@ howzat                          //
 orbit1                          //
 shark                           //
 
+@source:hapyfish.cpp
+hapyfsh2						// bootleg
+
 @source:harddriv.cpp
 harddriv                        // 136052           (c) 1988
 harddriv1                       // 136052           (c) 1988