new NOT WORKING machines

---
Mega Drive 4 / Guitar Idol (set 1) [Alexandre Souza]

scripts/target/mame/mess.lua

@@ -3552,6 +3552,7 @@ files {
 	MAME_DIR .. "src/mame/machine/xavix2002_io.cpp",
 	MAME_DIR .. "src/mame/machine/xavix2002_io.h",
 	MAME_DIR .. "src/mame/drivers/xavix2.cpp",
+	MAME_DIR .. "src/mame/drivers/titan_soc.cpp",
 }
 
 createMESSProjects(_target, _subtarget, "ultimachine")

src/mame/drivers/titan_soc.cpp

@@ -0,0 +1,121 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/************************************************************************
+
+    Titan 1.0C (System on a Chip - ARM based processor)
+
+	used by
+
+	Atari / Colecovision  / Intellivision Flashback (not dumped)
+	TecToy Mega Drive 4
+
+
+	Notes:
+
+	It is possible to connect a debug terminal
+	Has a USB port for user to plug in a flash drive etc.
+	4MB RAM
+
+	Emulators run on the ARM, games don't use some modes 100% correctly compared to original
+	hardware, only correct for the included emulator.  Some games are not emulation based.
+
+*/
+
+#include "emu.h"
+#include "cpu/arm7/arm7.h"
+#include "cpu/arm7/arm7core.h"
+#include "emupal.h"
+#include "screen.h"
+
+class titan_soc_state : public driver_device
+{
+public:
+	titan_soc_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+		m_mainram(*this, "mainram"),
+		m_maincpu(*this, "maincpu")
+	{ }
+
+	void titan_soc(machine_config &config);
+
+	void init_titan_soc();
+
+private:
+	required_shared_ptr<uint32_t> m_mainram;
+	required_device<cpu_device> m_maincpu;
+
+	virtual void machine_reset() override;
+	virtual void video_start() override;
+	uint32_t screen_update_titan_soc(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+	void map(address_map &map);
+};
+
+
+
+void titan_soc_state::map(address_map &map)
+{
+	map(0x00000000, 0x0007ffff).ram().share("mainram");
+}
+
+static INPUT_PORTS_START( titan_soc )
+
+INPUT_PORTS_END
+
+
+void titan_soc_state::video_start()
+{
+}
+
+uint32_t titan_soc_state::screen_update_titan_soc(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+void titan_soc_state::machine_reset()
+{
+}
+
+void titan_soc_state::titan_soc(machine_config &config)
+{
+	/* basic machine hardware */
+	ARM920T(config, m_maincpu, 200000000); // type + clock unknown
+	m_maincpu->set_addrmap(AS_PROGRAM, &titan_soc_state::map);
+
+	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+	screen.set_refresh_hz(60);
+	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
+	screen.set_size(320, 256);
+	screen.set_visarea(0, 320-1, 0, 256-1);
+	screen.set_screen_update(FUNC(titan_soc_state::screen_update_titan_soc));
+
+	PALETTE(config, "palette").set_entries(256);
+}
+
+
+
+ROM_START( megadri4 )
+	ROM_REGION( 0x80000, "serial", 0 ) // this was only dumped from one of the PCBS, not sure which one, might not be correct for both
+	ROM_LOAD( "25l4005a - rom de boot megadrive4.bin",     0x000000, 0x80000, CRC(1b5c3c31) SHA1(97f301ae441ca23d3c52a901319e375654920867) )
+
+	ROM_REGION( 0x08400000, "flash", 0 )
+	ROM_LOAD( "ic9 megadrive4 titan.bin",     0x000000, 0x08400000, CRC(ed92b81a) SHA1(a3d51a2febf670820d6df009660b96ff6407f475) )
+ROM_END
+
+ROM_START( megadri4a )
+	ROM_REGION( 0x80000, "serial", 0 ) // this was only dumped from one of the PCBS, not sure which one, might not be correct for both
+	ROM_LOAD( "25l4005a - rom de boot megadrive4.bin",     0x000000, 0x80000, CRC(1b5c3c31) SHA1(97f301ae441ca23d3c52a901319e375654920867) )
+
+	ROM_REGION( 0x08400000, "flash", 0 )
+	ROM_LOAD( "ic9 megadrive4 titan segunda placa.bin",     0x000000, 0x08400000, CRC(4b423898) SHA1(293127d2f6169717a7fbfcf18f13e4b1735236f7) )
+ROM_END
+
+
+
+void titan_soc_state::init_titan_soc()
+{
+	// can either run directly from serial ROM, or copies it to RAM on startup
+	memcpy(m_mainram, memregion("serial")->base(), 0x80000);
+}
+
+GAME( 2009, megadri4,  0,        titan_soc, titan_soc, titan_soc_state, init_titan_soc, ROT0, "Tec Toy (licensed from Sega)", "Mega Drive 4 / Guitar Idol (set 1)",      MACHINE_IS_SKELETON )
+GAME( 2009, megadri4a, megadri4, titan_soc, titan_soc, titan_soc_state, init_titan_soc, ROT0, "Tec Toy (licensed from Sega)", "Mega Drive 4 / Guitar Idol (set 2)",      MACHINE_IS_SKELETON )

src/mame/mame.lst

@@ -37685,6 +37685,10 @@ timepltc                        // GX393 (c) 1982 + Centuri license
 timetrv                         // (c) 1991.10 Virtual Image Productions
 timetrv2                        // (c) 1991.10 Virtual Image Productions
 
+@source:titan_soc.cpp
+megadri4
+megadri4a
+
 @source:timex.cpp
 tc2048                          // 198? TC2048
 ts2068                          // 1983 TS2068

src/mame/mess.flt

@@ -785,6 +785,7 @@ ti990_10.cpp
 ti990_4.cpp
 ticalc1x.cpp
 tiki100.cpp
+titan_soc.cpp
 tim011.cpp
 tim100.cpp
 timex.cpp