begin to document the original IVL releases of Easy Karaoke (KaraokeTV Star) which use a (long gone) download service rather than carts for extra songs [Sean Riddle, David Haywood]

src/mame/mame.lst

@@ -41424,6 +41424,7 @@ e100                            //
 @source:skeleton/easy_karaoke.cpp
 easykara
 karams
+karatvst
 
 @source:skeleton/elcirculo.cpp
 elcirculo                       // (c) 1980 Inder

src/mame/skeleton/easy_karaoke.cpp

@@ -2,12 +2,19 @@
 // copyright-holders:David Haywood
 /******************************************************************************
 
-    Easy Karaoke (c)IVL Technologies
+    IVL Technologies Karaoke systems
 
-    A version of this was also released in France by Lexibook, with French songs
+    KaraokeTV Star (c) IVL Technologies
 
+    licensed out as
 
-    This uses
+    KaraokeStation (Japan) (c) Bandai
+    Easy Karaoke Groove Station (UK) (c) Easy Karaoke
+    KaraokeMicro Star (France) (c) Lexibook
+
+    -------------------------------------
+
+    Easy Karaoke uses
 
     Clarity 4.3 ARM
     SVI1186
@@ -63,6 +70,8 @@
 
     ------------------
 
+    KaraokeTV Star also uses the Clarity 4.1 but with "JVR043  0225" numbering
+
     Packaging also shows 'On-Key Karaoke' logo on box, maybe this is the original US / Canada product name?
 
     "Karaoke TV Star" appears to be a US product using this technology - advertises 50 built in songs, but
@@ -85,32 +94,24 @@
 
 namespace {
 
-class easy_karaoke_state : public driver_device
+class ivl_karaoke_state : public driver_device
 {
 public:
-	easy_karaoke_state(const machine_config &mconfig, device_type type, const char *tag)
+	ivl_karaoke_state(const machine_config &mconfig, device_type type, const char *tag)
 		: driver_device(mconfig, type, tag)
 		, m_maincpu(*this, "maincpu")
 		, m_screen(*this, "screen")
-		, m_cart(*this, "cartslot")
-		, m_cart_region(nullptr)
 	{ }
 
-	void easy_karaoke(machine_config &config);
+	void ivl_karaoke_base(machine_config &config);
 
-private:
+protected:
 	virtual void machine_start() override;
 	virtual void machine_reset() override;
 
-	void easy_karaoke_base(machine_config &config);
-
-	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load);
-
+private:
 	required_device<cpu_device> m_maincpu;
-
 	required_device<screen_device> m_screen;
-	required_device<generic_slot_device> m_cart;
-	memory_region *m_cart_region;
 
 	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
 
@@ -119,26 +120,54 @@ class easy_karaoke_state : public driver_device
 	void arm_map(address_map &map);
 };
 
-uint32_t easy_karaoke_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+class easy_karaoke_cartslot_state : public ivl_karaoke_state
+{
+public:
+	easy_karaoke_cartslot_state(const machine_config &mconfig, device_type type, const char *tag)
+		: ivl_karaoke_state(mconfig, type, tag)
+		, m_cart(*this, "cartslot")
+		, m_cart_region(nullptr)
+	{ }
+
+	void easy_karaoke(machine_config &config);
+
+protected:
+	virtual void machine_start() override;
+
+private:
+	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load);
+
+	required_device<generic_slot_device> m_cart;
+	memory_region *m_cart_region;
+};
+
+uint32_t ivl_karaoke_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
 {
 	return 0;
 }
 
-void easy_karaoke_state::machine_start()
+void ivl_karaoke_state::machine_start()
+{
+
+}
+
+void easy_karaoke_cartslot_state::machine_start()
 {
+	ivl_karaoke_state::machine_start();
+
 	// if there's a cart, override the standard mapping
 	if (m_cart && m_cart->exists())
 	{
 		m_cart_region = memregion(std::string(m_cart->tag()) + GENERIC_ROM_REGION_TAG);
 	}
 }
 
-void easy_karaoke_state::machine_reset()
+void ivl_karaoke_state::machine_reset()
 {
 	m_maincpu->set_state_int(ARM7_R15, 0x04000000);
 }
 
-DEVICE_IMAGE_LOAD_MEMBER(easy_karaoke_state::cart_load)
+DEVICE_IMAGE_LOAD_MEMBER(easy_karaoke_cartslot_state::cart_load)
 {
 	uint32_t const size = m_cart->common_get_size("rom");
 
@@ -148,48 +177,110 @@ DEVICE_IMAGE_LOAD_MEMBER(easy_karaoke_state::cart_load)
 	return std::make_pair(std::error_condition(), std::string());
 }
 
-static INPUT_PORTS_START( easy_karaoke )
+static INPUT_PORTS_START( ivl_karaoke )
 INPUT_PORTS_END
 
-uint32_t easy_karaoke_state::a000004_r()
+uint32_t ivl_karaoke_state::a000004_r()
 {
 	return machine().rand();
 }
 
-void easy_karaoke_state::arm_map(address_map &map)
+void ivl_karaoke_state::arm_map(address_map &map)
 {
 	map(0x00000000, 0x007fffff).ram();
 	map(0x04000000, 0x047fffff).rom().region("maincpu", 0);
-	map(0x0a000004, 0x0a000007).r(FUNC(easy_karaoke_state::a000004_r));
+	map(0x0a000004, 0x0a000007).r(FUNC(ivl_karaoke_state::a000004_r));
 }
 
 
-void easy_karaoke_state::easy_karaoke_base(machine_config &config)
+void ivl_karaoke_state::ivl_karaoke_base(machine_config &config)
 {
 	ARM9(config, m_maincpu, 72000000); // ARM 720 core
-	m_maincpu->set_addrmap(AS_PROGRAM, &easy_karaoke_state::arm_map);
+	m_maincpu->set_addrmap(AS_PROGRAM, &ivl_karaoke_state::arm_map);
 
 	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
 	m_screen->set_refresh_hz(60);
 	m_screen->set_size(320, 262);
 	m_screen->set_visarea(0, 320-1, 0, 240-1);
-	m_screen->set_screen_update(FUNC(easy_karaoke_state::screen_update));
+	m_screen->set_screen_update(FUNC(ivl_karaoke_state::screen_update));
 
 	SPEAKER(config, "lspeaker").front_left();
 	SPEAKER(config, "rspeaker").front_right();
-
-	GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "easy_karaoke_cart");
-	m_cart->set_width(GENERIC_ROM16_WIDTH);
-	m_cart->set_device_load(FUNC(easy_karaoke_state::cart_load));
-
 }
 
-void easy_karaoke_state::easy_karaoke(machine_config &config)
+void easy_karaoke_cartslot_state::easy_karaoke(machine_config &config)
 {
-	easy_karaoke_base(config);
+	ivl_karaoke_base(config);
+
+	GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "easy_karaoke_cart");
+	m_cart->set_width(GENERIC_ROM16_WIDTH);
+	m_cart->set_device_load(FUNC(easy_karaoke_cartslot_state::cart_load));
 	SOFTWARE_LIST(config, "cart_list").set_original("easy_karaoke_cart");
 }
 
+/*
+The 'karatvst' set has the following 50 songs built in, there don't appear to be any downloaded songs in this NAND dump
+
+ABC                                         Jackson 5
+All I Have To Give                          Backstreet Boys
+Always On My Mind                           Elvis Presley
+America The Beautiful                       Standard
+Baby Love                                   Supremes
+...Baby One More Time                       Britney Spears
+Born To Make You Happy                      Britney Spears
+Brick House                                 The Commodores
+Bye Bye Bye                                 N'Sync
+Dancing Queen                               Abba
+Don't Let Me Get Me                         pink
+Drive (For Daddy Gene)                      Alan Jackson
+Fallin'                                     Alicia Keys
+Girlfriend                                  N'Sync
+Goodbye Earl                                Dixie Chicks
+Hit 'Em Up Style                            Blu Cantrell
+I Believe I Can Fly                         R. Kelly
+I Heard It Through the Grapevine            Marvin Gaye
+I Should Be Sleeping                        Emerson Drive
+I Wanna Know                                Joe
+I Want It That Way                          Backstreet Boys
+If You're Gone                              Matchbox 20
+It's A Great Day To Be Alive                Travis Tritt
+Lady Marmalade                              Christina Aguilera
+Love Shack                                  B52's
+Me And Bobby McGee                          Kris Kristofferson
+My Girl                                     Temptations
+My Guy                                      Mary Wells
+New York New York                           Frank Sinatra
+No More Drama                               Mary J. Blige
+One Fine Day                                Chiffons
+Oops...I Did It Again                       Britney Spears
+Over The Rainbow                            Judy Garland
+Overprotected                               Britney Spears
+Stand By Your Man                           Tammy Wynette
+Star Spangled Banner                        Public Domain
+Stop In The Name Of Love                    Supremes
+Stronger                                    Britney Spears
+Super Freak                                 Rick James
+Superman                                    Five For Fighting
+That's The Way (I Like It)                  KC And The Sunshine Band
+The Greatest Love Of All                    Whitney Houston
+The Loco-Motion                             Kylie Minogue
+The One                                     Backstreet Boys
+There Is No Arizona                         Jamie O'Neal
+We Wish You A Merry Xmas                    Traditional
+What's Going On                             Marvin Gaye
+Wild Thing                                  The Troggs
+Wrapped Around                              Brad Paisley
+You Can't Hurry Love                        The Supremes
+
+*/
+ROM_START( karatvst )
+	ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASEFF )
+	ROM_LOAD16_WORD_SWAP( "karaoke37vf010.bin", 0x000000, 0x20000, CRC(9d3020e4) SHA1(bce5d42ecff88b310a43599c9e47cba920c6b6e1) ) // bootloader
+
+	ROM_REGION( 0x840000, "nand", ROMREGION_ERASEFF ) // NAND with main program, graphics, built in songs (and potentially user downloads)
+	ROM_LOAD( "karaoketc58v64bft.bin", 0x000000, 0x840000, CRC(8cf42f20) SHA1(fae09ab08035e8c894fe00dcb23746ea78391d7f) )
+ROM_END
+
 /*
 The 'easykara' set has the following 10 songs built in.
 
@@ -273,6 +364,13 @@ ROM_END
 
 } // anonymous namespace
 
+// This is the original US release, there's no cartridge slot, but it has a NAND Flash inside, and in addition to 50 built-in songs, advertises
+// use of a (now defunct) www.onkeysongs.com service for downloading additional songs to the microphone via bundled PC software.
+CONS( 2002, karatvst,      0,              0,      ivl_karaoke_base, ivl_karaoke, ivl_karaoke_state, empty_init, "IVL Technologies", "KaraokeTV Star (US, with 50 songs)", MACHINE_IS_SKELETON )
+// There is also a 35 song US version
+// The "Memorex Star Singer Karaoke / MKS4001" is also made by IVL and boasts 50 built in songs, the casing is different, so it could differ from the standard version.
+// There is a Japanese version, KaraokeStation, put out by Bandai in 2002 with similar internals to the US version ( http://www.akihito.spawn.jp/20021026.karaokestation/ )
 
-CONS( 2004, easykara,      0,              0,      easy_karaoke, easy_karaoke, easy_karaoke_state, empty_init, "IVL Technologies",                    "Easy Karaoke Groove Station (UK)", MACHINE_IS_SKELETON )
-CONS( 2003, karams,        easykara,       0,      easy_karaoke, easy_karaoke, easy_karaoke_state, empty_init, "IVL Technologies (Lexibook license)", "KaraokeMicro Star (France)", MACHINE_IS_SKELETON )
+// The European releases take cartridges rather than relying on a download service
+CONS( 2004, easykara,      karatvst,       0,      easy_karaoke, ivl_karaoke, easy_karaoke_cartslot_state, empty_init, "IVL Technologies (Easy Karaoke license)", "Easy Karaoke Groove Station (UK)", MACHINE_IS_SKELETON )
+CONS( 2003, karams,        karatvst,       0,      easy_karaoke, ivl_karaoke, easy_karaoke_cartslot_state, empty_init, "IVL Technologies (Lexibook license)",     "KaraokeMicro Star (France)", MACHINE_IS_SKELETON )