diff --git a/src/mess/drivers/atm.c b/src/mess/drivers/atm.c
index 8211898cef9..361e89c8281 100644
--- a/src/mess/drivers/atm.c
+++ b/src/mess/drivers/atm.c
@@ -217,8 +217,6 @@ ROM_START( atm )
 	ROMX_LOAD( "atm106-4.rom", 0x01c000, 0x4000, CRC(f352f2ab) SHA1(6045500ab01be708cef62327e9821b4a358a4673), ROM_BIOS(3))
 	ROM_SYSTEM_BIOS(3, "v4", "v.1.03rs")
 	ROMX_LOAD( "atm103rs.rom", 0x010000, 0x10000, CRC(cdec1dfb) SHA1(08190807c6b110cb2e657d8e7d0ad18668915375), ROM_BIOS(4))
-
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START( atmtb2 )
@@ -233,7 +231,6 @@ ROM_START( atmtb2 )
 	ROM_SYSTEM_BIOS(2, "v3", "v.1.07.13")
 	ROMX_LOAD( "atmtb213.rom", 0x010000, 0x10000, CRC(34a91d53) SHA1(8f0af0f3c0ff1644535f20545c73d01576d6e52f), ROM_BIOS(3))
 
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 	ROM_REGION(0x01000, "keyboard", ROMREGION_ERASEFF)
 	// XT Keyboard
 	ROM_LOAD( "rf2ve3.rom",  0x0000, 0x0580, CRC(35e0f9ec) SHA1(adcf14758fab8472cfa0167af7e8326c66416416))
diff --git a/src/mess/drivers/pentagon.c b/src/mess/drivers/pentagon.c
index 525c55ec6bd..5ad82483dde 100644
--- a/src/mess/drivers/pentagon.c
+++ b/src/mess/drivers/pentagon.c
@@ -292,7 +292,6 @@ ROM_START(pentagon)
 	ROM_SYSTEM_BIOS(13, "v14", "NeOS 512")
 	ROMX_LOAD("neos_512.rom", 0x010000, 0x4000, CRC(1657fa43) SHA1(647545f06257bce9b1919fcb86b2a49a21c851a7), ROM_BIOS(14))
 	ROMX_LOAD("128p-1.rom",   0x014000, 0x4000, CRC(b96a36be) SHA1(80080644289ed93d71a1103992a154cc9802b2fa), ROM_BIOS(14))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(pent1024)
@@ -317,7 +316,6 @@ ROM_START(pent1024)
 	ROMX_LOAD( "gluk601r.rom", 0x018000, 0x4000, CRC(daf6310b) SHA1(b8945168d4d136b731b33ec4758f8510c47fb8c4), ROM_BIOS(8))
 	ROM_SYSTEM_BIOS(8, "v9", "Gluk 5.1")
 	ROMX_LOAD( "gluk51.rom",   0x018000, 0x4000, CRC(ea8c760b) SHA1(adaab28066ca46fbcdcf084c3b53d5a1b82d94a9), ROM_BIOS(9))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE     INPUT       INIT    COMPANY     FULLNAME */
diff --git a/src/mess/drivers/scorpion.c b/src/mess/drivers/scorpion.c
index 40b08925e5f..07f50b9c82d 100644
--- a/src/mess/drivers/scorpion.c
+++ b/src/mess/drivers/scorpion.c
@@ -466,7 +466,6 @@ ROM_START(scorpio)
 	ROMX_LOAD("scorp1.rom",   0x014000, 0x4000, CRC(9d513013) SHA1(367b5a102fb663beee8e7930b8c4acc219c1f7b3), ROM_BIOS(7))
 	ROMX_LOAD("scorp2.rom",   0x018000, 0x4000, CRC(fd0d3ce1) SHA1(07783ee295274d8ff15d935bfd787c8ac1d54900), ROM_BIOS(7))
 	ROMX_LOAD("scorp3.rom",   0x01c000, 0x4000, CRC(1fe1d003) SHA1(33703e97cc93b7edfcc0334b64233cf81b7930db), ROM_BIOS(7))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 
 	ROM_REGION(0x01000, "keyboard", 0)
 	ROM_LOAD( "scrpkey.rom", 0x0000, 0x1000, CRC(e938a510) SHA1(2753993c97ff0fc6cff26ed792929abc1288dc6f))
@@ -492,13 +491,11 @@ ROM_START(profi)
 	ROMX_LOAD( "profi32.rom", 0x010000, 0x10000, CRC(77327f52) SHA1(019bd00cc7939741d99b99beac6ae1298652e652), ROM_BIOS(6))
 	ROM_SYSTEM_BIOS(6, "v7", "Power Of Sound Group")
 	ROMX_LOAD( "profi1k.rom", 0x010000, 0x10000, CRC(a932676f) SHA1(907ac56219f325949a7c2fe8168799d9cdd5ba6c), ROM_BIOS(7))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(quorum)
 	ROM_REGION(0x020000, "maincpu", 0)
 	ROM_LOAD("qu7v42.rom",   0x010000, 0x10000, CRC(e950eee5) SHA1(f8e22672722b0038689c6c8bc4acf5392acc9d8c))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(bestzx)
@@ -515,7 +512,6 @@ ROM_START( kay1024 )
 	ROMX_LOAD( "kay1024b.rom", 0x010000, 0x10000, CRC(ab99c31e) SHA1(cfa9e6553aea72956fce4f0130c007981d684734), ROM_BIOS(2))
 	ROM_SYSTEM_BIOS(2, "v3", "Kramis V0.3")
 	ROMX_LOAD( "kay1024s.rom", 0x010000, 0x10000, CRC(67351caa) SHA1(1d9c0606b380c000ca1dfa33f90a122ecf9df1f1), ROM_BIOS(3))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE     INPUT   CLASS         INIT      COMPANY     FULLNAME */
diff --git a/src/mess/drivers/spec128.c b/src/mess/drivers/spec128.c
index 2e5935bbad0..278f1c5d3c2 100644
--- a/src/mess/drivers/spec128.c
+++ b/src/mess/drivers/spec128.c
@@ -183,37 +183,27 @@ WRITE8_MEMBER(spectrum_state::spectrum_128_port_7ffd_w)
 void spectrum_state::spectrum_128_update_memory()
 {
 	UINT8 *messram = m_ram->pointer();
-	unsigned char *ChosenROM;
-	int ROMSelection;
-
-	if (m_port_7ffd_data & 8)
-	{
-		m_screen_location = messram + (7<<14);
-	}
-	else
-	{
-		m_screen_location = messram + (5<<14);
-	}
 
 	/* select ram at 0x0c000-0x0ffff */
+	int ram_page = m_port_7ffd_data & 0x07;
+	unsigned char *ram_data = messram + (ram_page<<14);
+	membank("bank4")->set_base(ram_data);
+
+	if (BIT(m_port_7ffd_data, 3))
+		m_screen_location = messram + (7<<14);
+	else
+		m_screen_location = messram + (5<<14);
+
+	if (!m_cart->exists())
 	{
-		int ram_page;
-		unsigned char *ram_data;
+		/* ROM switching */
+		int ROMSelection = BIT(m_port_7ffd_data, 4);
 
-		ram_page = m_port_7ffd_data & 0x07;
-		ram_data = messram + (ram_page<<14);
+		/* rom 0 is 128K rom, rom 1 is 48 BASIC */
+		unsigned char *ChosenROM = memregion("maincpu")->base() + 0x010000 + (ROMSelection << 14);
 
-		membank("bank4")->set_base(ram_data);
+		membank("bank1")->set_base(ChosenROM);
 	}
-
-	/* ROM switching */
-	ROMSelection = ((m_port_7ffd_data>>4) & 0x01);
-
-	/* rom 0 is 128K rom, rom 1 is 48 BASIC */
-
-	ChosenROM = memregion("maincpu")->base() + 0x010000 + (ROMSelection<<14);
-
-	membank("bank1")->set_base(ChosenROM);
 }
 
 READ8_MEMBER( spectrum_state::spectrum_128_ula_r )
@@ -291,7 +281,6 @@ MACHINE_CONFIG_DERIVED( spectrum_128, spectrum )
 	MCFG_CPU_VBLANK_INT_DRIVER("screen", spectrum_state,  spec_interrupt)
 	MCFG_QUANTUM_TIME(attotime::from_hz(60))
 
-
 	MCFG_MACHINE_RESET_OVERRIDE(spectrum_state, spectrum_128 )
 
 	/* video hardware */
@@ -328,7 +317,6 @@ ROM_START(spec128)
 	ROM_SYSTEM_BIOS( 1, "sp", "Spanish" )
 	ROMX_LOAD("zx128s0.rom",0x10000,0x4000, CRC(453d86b2) SHA1(968937b1c750f0ef6205f01c6db4148da4cca4e3), ROM_BIOS(2))
 	ROMX_LOAD("zx128s1.rom",0x14000,0x4000, CRC(6010e796) SHA1(bea3f397cc705eafee995ea629f4a82550562f90), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(specpls2)
@@ -347,14 +335,12 @@ ROM_START(specpls2)
 	ROMX_LOAD("plus2c-1.rom",0x14000,0x4000, CRC(fd8552b6) SHA1(5ffcf79f2154ba2cf42cc1d9cb4be93cb5043e73), ROM_BIOS(4))
 	ROM_SYSTEM_BIOS( 4, "namco", "ZX Spectrum +2c (Namco)" )
 	ROMX_LOAD("pl2namco.rom",0x10000,0x8000, CRC(72a54e75) SHA1(311400157df689450dadc3620f4c4afa960b05ad), ROM_BIOS(5))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(hc128)
 	ROM_REGION(0x18000,"maincpu",0)
 	ROM_LOAD("zx128_0.rom",0x10000,0x4000, CRC(e76799d2) SHA1(4f4b11ec22326280bdb96e3baf9db4b4cb1d02c5))
 	ROM_LOAD("hc128.rom",  0x14000,0x4000, CRC(0241e960) SHA1(cea0d14391b9e571460a816088a1c00ecb24afa3))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(hc2000)
@@ -365,7 +351,6 @@ ROM_START(hc2000)
 	ROM_SYSTEM_BIOS( 1, "v2", "Version 2" )
 	ROMX_LOAD("zx128_0.rom",0x10000,0x4000, CRC(e76799d2) SHA1(4f4b11ec22326280bdb96e3baf9db4b4cb1d02c5), ROM_BIOS(2))
 	ROMX_LOAD("hc2000.v2",  0x14000,0x4000, CRC(65d90464) SHA1(5e2096e6460ff2120c8ada97579fdf82c1199c09), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE     INPUT       INIT    COMPANY     FULLNAME */
diff --git a/src/mess/drivers/specpls3.c b/src/mess/drivers/specpls3.c
index 8228164142d..5acbe50f3cc 100644
--- a/src/mess/drivers/specpls3.c
+++ b/src/mess/drivers/specpls3.c
@@ -214,68 +214,55 @@ void spectrum_state::spectrum_plus3_update_memory()
 
 	if ((m_port_1ffd_data & 0x01) == 0)
 	{
-			int ram_page;
-			unsigned char *ram_data;
+		/* select ram at 0x0c000-0x0ffff */
+		int ram_page = m_port_7ffd_data & 0x07;
+		unsigned char *ram_data = messram + (ram_page<<14);
+		membank("bank4")->set_base(ram_data);
+		
+		logerror("RAM at 0xc000: %02x\n", ram_page);
+		
+		/* Reset memory between 0x4000 - 0xbfff in case extended paging was being used */
+		/* Bank 5 in 0x4000 - 0x7fff */
+		membank("bank2")->set_base(messram + (5 << 14));
+		
+		/* Bank 2 in 0x8000 - 0xbfff */
+		membank("bank3")->set_base(messram + (2 << 14));
 
+		if (!m_cart->exists())
+		{
 			/* ROM switching */
-			unsigned char *ChosenROM;
-			int ROMSelection;
-
-			/* select ram at 0x0c000-0x0ffff */
-			ram_page = m_port_7ffd_data & 0x07;
-			ram_data = messram + (ram_page<<14);
-
-			membank("bank4")->set_base(ram_data);
-
-			logerror("RAM at 0xc000: %02x\n", ram_page);
-
-			/* Reset memory between 0x4000 - 0xbfff in case extended paging was being used */
-			/* Bank 5 in 0x4000 - 0x7fff */
-			membank("bank2")->set_base(messram + (5 << 14));
-
-			/* Bank 2 in 0x8000 - 0xbfff */
-			membank("bank3")->set_base(messram + (2 << 14));
-
-
-			ROMSelection = ((m_port_7ffd_data >> 4) & 0x01) |
-				((m_port_1ffd_data >> 1) & 0x02);
-
+			int ROMSelection = BIT(m_port_7ffd_data, 4) | ((m_port_1ffd_data >> 1) & 0x02);
+			
 			/* rom 0 is editor, rom 1 is syntax, rom 2 is DOS, rom 3 is 48 BASIC */
-
-			ChosenROM = memregion("maincpu")->base() + 0x010000 + (ROMSelection << 14);
-
+			unsigned char *ChosenROM = memregion("maincpu")->base() + 0x010000 + (ROMSelection << 14);
+			
 			membank("bank1")->set_base(ChosenROM);
 			space.unmap_write(0x0000, 0x3fff);
-
+			
 			logerror("rom switch: %02x\n", ROMSelection);
+		}
 	}
 	else
 	{
-			/* Extended memory paging */
-
-			const int *memory_selection;
-			int MemorySelection;
-			unsigned char *ram_data;
-
-			MemorySelection = (m_port_1ffd_data >> 1) & 0x03;
-
-			memory_selection = &spectrum_plus3_memory_selections[(MemorySelection << 2)];
-
-			ram_data = messram + (memory_selection[0] << 14);
-			membank("bank1")->set_base(ram_data);
-			/* allow writes to 0x0000-0x03fff */
-			space.install_write_bank(0x0000, 0x3fff, "bank1");
-
-			ram_data = messram + (memory_selection[1] << 14);
-			membank("bank2")->set_base(ram_data);
-
-			ram_data = messram + (memory_selection[2] << 14);
-			membank("bank3")->set_base(ram_data);
-
-			ram_data = messram + (memory_selection[3] << 14);
-			membank("bank4")->set_base(ram_data);
-
-			logerror("extended memory paging: %02x\n", MemorySelection);
+		/* Extended memory paging */
+		int MemorySelection = (m_port_1ffd_data >> 1) & 0x03;
+		const int *memory_selection = &spectrum_plus3_memory_selections[(MemorySelection << 2)];
+		unsigned char *ram_data = messram + (memory_selection[0] << 14);
+		
+		membank("bank1")->set_base(ram_data);
+		/* allow writes to 0x0000-0x03fff */
+		space.install_write_bank(0x0000, 0x3fff, "bank1");
+		
+		ram_data = messram + (memory_selection[1] << 14);
+		membank("bank2")->set_base(ram_data);
+		
+		ram_data = messram + (memory_selection[2] << 14);
+		membank("bank3")->set_base(ram_data);
+		
+		ram_data = messram + (memory_selection[3] << 14);
+		membank("bank4")->set_base(ram_data);
+		
+		logerror("extended memory paging: %02x\n", MemorySelection);
 	}
 }
 
@@ -314,8 +301,8 @@ WRITE8_MEMBER( spectrum_state::spectrum_plus3_port_1ffd_w )
 	/* disable paging? */
 	if ((m_port_7ffd_data & 0x20)==0)
 	{
-			/* no */
-			spectrum_plus3_update_memory();
+		/* no */
+		spectrum_plus3_update_memory();
 	}
 }
 
@@ -411,7 +398,6 @@ ROM_START(specpl2a)
 	ROM_LOAD("p2a41_1.rom",0x14000,0x4000, CRC(a7916b3f) SHA1(1a7812c383a3701e90e88d1da086efb0c033ac72))
 	ROM_LOAD("p2a41_2.rom",0x18000,0x4000, CRC(c9a0b748) SHA1(8df145d10ff78f98138682ea15ebccb2874bf759))
 	ROM_LOAD("p2a41_3.rom",0x1c000,0x4000, CRC(b88fd6e3) SHA1(be365f331942ec7ec35456b641dac56a0dbfe1f0))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(specpls3)
@@ -434,7 +420,6 @@ ROM_START(specpls3)
 	ROM_SYSTEM_BIOS( 4, "12ms", "Customize 3.5\" 12ms" )
 	ROMX_LOAD("p3_01_cm.rom",0x10000,0x8000, CRC(ad99380a) SHA1(4e5d114b72d464cefdde0566457f52a3c0c1cae2), ROM_BIOS(5))
 	ROMX_LOAD("p3_23_cm.rom",0x18000,0x8000, CRC(61f2b50c) SHA1(d062765ceb1f3cd2c94ea51cb737cac7ad6151b4), ROM_BIOS(5))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(specpl3e)
@@ -445,7 +430,6 @@ ROM_START(specpl3e)
 	ROM_SYSTEM_BIOS( 1, "sp", "Spanish" )
 	ROMX_LOAD("roma-es.rom",0x10000,0x8000, CRC(ba694b4b) SHA1(d15d9e43950483cffc79f1cfa89ecb114a88f6c2), ROM_BIOS(2))
 	ROMX_LOAD("romb-es.rom",0x18000,0x8000, CRC(61ed94db) SHA1(935b14c13db75d872de8ad0d591aade0adbbc355), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(sp3e8bit)
@@ -454,7 +438,6 @@ ROM_START(sp3e8bit)
 	ROMX_LOAD("3e8biten.rom",0x10000,0x10000, CRC(beee3bf6) SHA1(364ec903916282d5401901c5fb0cb93a142038b3), ROM_BIOS(1))
 	ROM_SYSTEM_BIOS( 1, "sp", "Spanish" )
 	ROMX_LOAD("3e8bites.rom",0x10000,0x10000, CRC(cafe4c35) SHA1(8331d273d29d3e37ec1324053bb050874d2c1434), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(sp3ezcf)
@@ -463,7 +446,6 @@ ROM_START(sp3ezcf)
 	ROMX_LOAD("3ezcfen.rom",0x10000,0x10000, CRC(43993f11) SHA1(27cbfbe8b5ef9eec6056026fa0b84fe158ba2f45), ROM_BIOS(1))
 	ROM_SYSTEM_BIOS( 1, "sp", "Spanish" )
 	ROMX_LOAD("3ezcfes.rom",0x10000,0x10000, CRC(1325a0d7) SHA1(521cf47e10f46c8a621c8889ef1f008454c7e10b), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(sp3eata)
@@ -472,7 +454,6 @@ ROM_START(sp3eata)
 	ROMX_LOAD("3ezxaen.rom",0x10000,0x10000, CRC(dfb676dc) SHA1(37618bc66ae33dbf686be8a92867e4a9144b65dc), ROM_BIOS(1))
 	ROM_SYSTEM_BIOS( 1, "sp", "Spanish" )
 	ROMX_LOAD("3ezxaes.rom",0x10000,0x10000, CRC(8f0ae91a) SHA1(71693e18b30c90914be58cba26682ca025c924ea), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x10000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE         INPUT       INIT    COMPANY     FULLNAME */
diff --git a/src/mess/drivers/spectrum.c b/src/mess/drivers/spectrum.c
index 3a7479eb71a..545bb649ec7 100644
--- a/src/mess/drivers/spectrum.c
+++ b/src/mess/drivers/spectrum.c
@@ -622,6 +622,9 @@ MACHINE_RESET_MEMBER(spectrum_state,spectrum)
 {
 	m_port_7ffd_data = -1;
 	m_port_1ffd_data = -1;
+
+	if (m_cart && m_cart->exists())
+		m_maincpu->space(AS_PROGRAM).install_read_handler(0x0000, 0x3fff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart));
 }
 
 /* F4 Character Displayer */
@@ -648,31 +651,19 @@ INTERRUPT_GEN_MEMBER(spectrum_state::spec_interrupt)
 	device.execute().set_input_line(0, HOLD_LINE);
 }
 
-DEVICE_IMAGE_LOAD_MEMBER( spectrum_state,spectrum_cart )
+DEVICE_IMAGE_LOAD_MEMBER(spectrum_state, spectrum_cart)
 {
-	UINT32 filesize;
-
-	if (image.software_entry() == NULL)
+	UINT32 size = m_cart->common_get_size("rom");
+	
+	if (size != 0x4000)
 	{
-		filesize = image.length();
-
-		if (filesize != 0x4000 )
-		{
-			image.seterror(IMAGE_ERROR_UNSPECIFIED, "Incorrect or not support cartridge size");
-			return IMAGE_INIT_FAIL;
-		}
-
-		if (image.fread(memregion("maincpu")->base(), filesize) != filesize)
-		{
-			image.seterror(IMAGE_ERROR_UNSPECIFIED, "Error loading file");
-			return IMAGE_INIT_FAIL;
-		}
-	}
-	else
-	{
-		filesize = image.get_software_region_length("rom");
-		memcpy(memregion("maincpu")->base(), image.get_software_region("rom"), filesize);
+		image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
+		return IMAGE_INIT_FAIL;
 	}
+	
+	m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
+	m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");			
+	
 	return IMAGE_INIT_PASS;
 }
 
@@ -720,11 +711,10 @@ MACHINE_CONFIG_START( spectrum_common, spectrum_state )
 	MCFG_SOFTWARE_LIST_ADD("cass_list","spectrum_cass")
 
 	/* cartridge */
-	MCFG_CARTSLOT_ADD("cart")
-	MCFG_CARTSLOT_EXTENSION_LIST("rom")
-	MCFG_CARTSLOT_NOT_MANDATORY
-	MCFG_CARTSLOT_LOAD(spectrum_state,spectrum_cart)
-	MCFG_CARTSLOT_INTERFACE("spectrum_cart")
+	MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "spectrum_cart")
+	MCFG_GENERIC_EXTENSIONS("bin,rom")
+	MCFG_GENERIC_LOAD(spectrum_state, spectrum_cart)
+
 	MCFG_SOFTWARE_LIST_ADD("cart_list","spectrum")
 MACHINE_CONFIG_END
 
@@ -783,80 +773,67 @@ ROM_START(spectrum)
 	ROMX_LOAD("isomoje.rom",0x0000,0x4000, CRC(62ab3640) SHA1(04adbdb1380d6ccd4ab26ddd61b9ccbba462a60f), ROM_BIOS(18))
 	ROM_SYSTEM_BIOS(18, "iso8", "ISO ROM 8")
 	ROMX_LOAD("iso8bm.rom",0x0000,0x4000, CRC(43e9c2fd) SHA1(5752e6f789769475711b91e0a75911fa5232c767), ROM_BIOS(19))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(specide)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("zxide.rom", 0x0000, 0x4000, CRC(bd48db54) SHA1(54c2aa958902b5395c260770a0b25c7ba5685de9))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(spec80k)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("80-lec.rom", 0x0000, 0x4000, CRC(5b5c92b1) SHA1(bb7a77d66e95d2e28ebb610e543c065e0d428619))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(tk90x)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("tk90x.rom",0x0000,0x4000, CRC(3e785f6f) SHA1(9a943a008be13194fb006bddffa7d22d2277813f))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(tk95)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("tk95.rom",0x0000,0x4000, CRC(17368e07) SHA1(94edc401d43b0e9a9cdc1d35de4b6462dc414ab3))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(inves)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("inves.rom",0x0000,0x4000, CRC(8ff7a4d1) SHA1(d020440638aff4d39467128413ef795677be9c23))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /* Romanian clones */
 ROM_START(hc85)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("hc85.rom",0x0000,0x4000, CRC(3ab60fb5) SHA1(a4189db0bcdf8b39ed782b398828efb408fc4817))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START( hc88 )
 	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
 	ROM_LOAD( "hc88.bin", 0x0000, 0x0800, CRC(33be5134) SHA1(b15a6e7085710de8b818e42d329707cb737627e3))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(hc90)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("hc90.rom",0x0000,0x4000, CRC(78c14d9a) SHA1(25ef81905bed90497a749770170c24632efb2039))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(hc91)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("hc91.rom",0x0000,0x4000, CRC(8bf53761) SHA1(967d5179ba2823e9c8dd9ddfb0430465aaddb554))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(cip03)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("cip03.rom",0x0000,0x4000, CRC(c7d0cd3c) SHA1(811055b44fc74076137e2bf8db206b2a70287cc2))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(cip01)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("cip01.rom",0x0000,0x4000, CRC(0516a329) SHA1(4e3e0c5719a64d3b4fb224db499b4bef7d146917))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(jet)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("jet.rom",0x0000,0x4000, CRC(e56a7d11) SHA1(e76be9ee71bae6aa1c2ff969276fb599ed68cb50))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START( cobrasp )
@@ -865,7 +842,6 @@ ROM_START( cobrasp )
 	ROMX_LOAD( "boot64k_v1.bin", 0x0000, 0x0800, CRC(a54aae6d) SHA1(8f5134ce24aea59065ed166ad79e864e17ce812f), ROM_BIOS(1))
 	ROM_SYSTEM_BIOS(1, "v2", "V2")
 	ROMX_LOAD( "boot64k_v2.bin", 0x0000, 0x0800, CRC(ee91cc89) SHA1(37dea7fe0734068adf99b91fdcbf3119095c350d), ROM_BIOS(2))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START( cobra80 )
@@ -876,7 +852,6 @@ ROM_START( cobra80 )
 	ROMX_LOAD( "boot80k_v2.bin", 0x0000, 0x0800, CRC(df6bd954) SHA1(5b858b59e697d0368ea631ead14f5b2aa7954ccd), ROM_BIOS(2))
 	ROM_SYSTEM_BIOS(2, "v3", "V3")
 	ROMX_LOAD( "boot80k_v3.bin", 0x0000, 0x0800, CRC(8580494c) SHA1(91af3f3fa50f2071f8ff081536bdf7e21e9823d9), ROM_BIOS(3))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /* Czechoslovakian clones*/
@@ -886,13 +861,11 @@ ROM_END
 ROM_START(dgama87)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("dgama87.rom",0x0000,0x4000, CRC(43104909) SHA1(f62d1f3f35fda467cae468e890995614f6ec2357))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(dgama88)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("dgama88.rom",0x0000,0x4000, CRC(4ec7e078) SHA1(09a91f85e82efa7f974d1b88c69636a02063d563))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(dgama89)
@@ -905,43 +878,36 @@ ROM_START(dgama89)
 	ROMX_LOAD("iso.rom",0x0000,0x4000, CRC(2ee3a992) SHA1(2e39995dd032036d33a6dd88a38b750057bca19d), ROM_BIOS(3))
 	ROM_SYSTEM_BIOS(3, "isopolak", "ISO Polak")
 	ROMX_LOAD("isopolak.rom",0x0000,0x4000, CRC(5e3f1f66) SHA1(61713117c944fc6afcb96c647bdba5ad36fd6a4b), ROM_BIOS(4))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(didakt90)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("didakt90.rom",0x0000,0x4000, CRC(76f2db1e) SHA1(daee355a8ee58bc406873c1dd81eecb6161dd4bd))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(didakm91)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("didakm91.rom",0x0000,0x4000, CRC(beab69b8) SHA1(71d4d1a05fb936f616bcb05c3a276f79343ecd4d))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(didakm92)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("didakm92.bin",0x0000,0x4000, CRC(57264d4f) SHA1(23644fe949cbf527747959d07b72db01de378c4c))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(didaktk)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("didaktk.rom",0x0000,0x4000, CRC(8ec8a625) SHA1(cba35517d33a5c97e3d9110f12a417c6c5cdeca8))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(didakm93)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("didakm93.rom",0x0000,0x4000, CRC(ec274b1b) SHA1(a3470d8d1a996ee2a1ffff8bd8044da6e907e07e))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(mistrum)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("mistrum.rom",0x0000,0x4000, CRC(d496103e) SHA1(cca1c5b059dc3a29ca4282e8621e34a65efaa1a3))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /* Russian clones */
@@ -949,50 +915,42 @@ ROM_END
 ROM_START(blitzs)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("blitz.rom",0x0000,0x4000, CRC(91e535a8) SHA1(14f09d45dc3803cbdb05c33adb28eb12dbad9dd0))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(byte)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("byte.rom",0x0000,0x4000, CRC(c13ba473) SHA1(99f40727185abbb2413f218d69df021ae2e99e45))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(orizon)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("orizon.rom",0x0000,0x4000, CRC(ed4d9787) SHA1(3e8b29862e06be03344393c320a64a109fd9aff5))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(quorum48)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("quorum48.rom",0x0000,0x4000, CRC(48085b0e) SHA1(8e01581643f7bdfa773f68207a6437911b631e53))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(magic6)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("magic6.rom",0x0000,0x4000, CRC(cb63ae06) SHA1(533ad1f50534e6bdeec50eb5a9a4976c3d010dc7))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(compani1)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("compani1.rom",0x0000,0x4000, CRC(bcfa6068) SHA1(40074b55c91a947698598e9d6ac5b8495e8cc840))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(spektrbk)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD("spektr-bk001.rom", 0x0000, 0x4000, CRC(c011eecc) SHA1(35fdc8cd083e50452655997a997873627b131520))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 ROM_START(zvezda)
 	ROM_REGION(0x10000,"maincpu",0)
 	ROM_LOAD( "2764-near-cpu_red.bin", 0x0000, 0x2000, CRC(a4ae4938) SHA1(ea1763b9dee29381ddcf882fbc4e404ba5366942))
 	ROM_LOAD( "2764-far-cpu_blue.bin", 0x2000, 0x2000, CRC(ebab64bc) SHA1(8c98a8b6e927b02cf602c20a1b50838e60f7785b))
-	ROM_CART_LOAD("cart", 0x0000, 0x4000, ROM_NOCLEAR | ROM_NOMIRROR | ROM_OPTIONAL)
 ROM_END
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE     INPUT       INIT    COMPANY     FULLNAME */
diff --git a/src/mess/drivers/timex.c b/src/mess/drivers/timex.c
index d64309dbe28..a91a906775b 100644
--- a/src/mess/drivers/timex.c
+++ b/src/mess/drivers/timex.c
@@ -736,7 +736,9 @@ static MACHINE_CONFIG_DERIVED( ts2068, spectrum_128 )
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
 
 	/* cartridge */
-	MCFG_CARTSLOT_MODIFY("cart")
+	MCFG_DEVICE_REMOVE("cartslot")
+
+	MCFG_CARTSLOT_ADD("cart")
 	MCFG_CARTSLOT_EXTENSION_LIST("dck")
 	MCFG_CARTSLOT_NOT_MANDATORY
 	MCFG_CARTSLOT_LOAD(spectrum_state,timex_cart)
diff --git a/src/mess/includes/spectrum.h b/src/mess/includes/spectrum.h
index f73965a794e..e4334384d12 100644
--- a/src/mess/includes/spectrum.h
+++ b/src/mess/includes/spectrum.h
@@ -7,12 +7,13 @@
 #ifndef __SPECTRUM_H__
 #define __SPECTRUM_H__
 
-#include "imagedev/snapquik.h"
-#include "imagedev/cartslot.h"
 #include "machine/upd765.h"
-#include "imagedev/cassette.h"
 #include "sound/speaker.h"
 #include "machine/ram.h"
+#include "imagedev/snapquik.h"
+#include "imagedev/cassette.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
 
 /* Spectrum crystals */
 
@@ -79,6 +80,7 @@ public:
 		m_cassette(*this, "cassette"),
 		m_ram(*this, RAM_TAG),
 		m_speaker(*this, "speaker"),
+		m_cart(*this, "cartslot"),
 		m_upd765(*this, "upd765"),
 		m_upd765_0(*this, "upd765:0"),
 		m_upd765_1(*this, "upd765:1"),
@@ -189,6 +191,7 @@ protected:
 	required_device<cassette_image_device> m_cassette;
 	required_device<ram_device> m_ram;
 	required_device<speaker_sound_device> m_speaker;
+	optional_device<generic_slot_device> m_cart;
 	optional_device<upd765a_device> m_upd765;
 	optional_device<floppy_connector> m_upd765_0;
 	optional_device<floppy_connector> m_upd765_1;