svi318: preliminary support for the sv603 coleco game adapter

lacks controller support

scripts/src/bus.lua

@@ -2603,6 +2603,8 @@ if (BUSES["SVI_EXPANDER"]~=null) then
 		MAME_DIR .. "src/devices/bus/svi3x8/expander/sv601.h",
 		MAME_DIR .. "src/devices/bus/svi3x8/expander/sv602.cpp",
 		MAME_DIR .. "src/devices/bus/svi3x8/expander/sv602.h",
+		MAME_DIR .. "src/devices/bus/svi3x8/expander/sv603.cpp",
+		MAME_DIR .. "src/devices/bus/svi3x8/expander/sv603.h",
 	}
 end
 

src/devices/bus/svi3x8/expander/expander.cpp

@@ -34,7 +34,9 @@ svi_expander_device::svi_expander_device(const machine_config &mconfig, const ch
 	m_romdis_handler(*this),
 	m_ramdis_handler(*this),
 	m_ctrl1_handler(*this),
-	m_ctrl2_handler(*this)
+	m_ctrl2_handler(*this),
+	m_excsr_handler(*this),
+	m_excsw_handler(*this)
 {
 }
 
@@ -61,6 +63,8 @@ void svi_expander_device::device_start()
 	m_ramdis_handler.resolve_safe();
 	m_ctrl1_handler.resolve_safe();
 	m_ctrl2_handler.resolve_safe();
+	m_excsr_handler.resolve_safe(0xff);
+	m_excsw_handler.resolve_safe();
 }
 
 //-------------------------------------------------
@@ -77,6 +81,9 @@ void svi_expander_device::device_reset()
 
 READ8_MEMBER( svi_expander_device::mreq_r )
 {
+	romdis_w(1);
+	ramdis_w(1);
+
 	if (m_module)
 		return m_module->mreq_r(space, offset);
 
@@ -85,6 +92,9 @@ READ8_MEMBER( svi_expander_device::mreq_r )
 
 WRITE8_MEMBER( svi_expander_device::mreq_w )
 {
+	romdis_w(1);
+	ramdis_w(1);
+
 	if (m_module)
 		m_module->mreq_w(space, offset, data);
 }

src/devices/bus/svi3x8/expander/expander.h

@@ -65,6 +65,12 @@
 #define MCFG_SVI_EXPANDER_CTRL2_HANDLER(_devcb) \
 	devcb = &svi_expander_device::set_ctrl2_handler(*device, DEVCB_##_devcb);
 
+#define MCFG_SVI_EXPANDER_EXCSR_HANDLER(_devcb) \
+	devcb = &svi_expander_device::set_excsr_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_SVI_EXPANDER_EXCSW_HANDLER(_devcb) \
+	devcb = &svi_expander_device::set_excsw_handler(*device, DEVCB_##_devcb);
+
 
 //**************************************************************************
 //  TYPE DEFINITIONS
@@ -97,6 +103,12 @@ public:
 	template<class _Object> static devcb_base &set_ctrl2_handler(device_t &device, _Object object)
 		{ return downcast<svi_expander_device &>(device).m_ctrl2_handler.set_callback(object); }
 
+	template<class _Object> static devcb_base &set_excsr_handler(device_t &device, _Object object)
+		{ return downcast<svi_expander_device &>(device).m_excsr_handler.set_callback(object); }
+
+	template<class _Object> static devcb_base &set_excsw_handler(device_t &device, _Object object)
+		{ return downcast<svi_expander_device &>(device).m_excsw_handler.set_callback(object); }
+
 	// called from cart device
 	DECLARE_WRITE_LINE_MEMBER( int_w ) { m_int_handler(state); }
 	DECLARE_WRITE_LINE_MEMBER( romdis_w ) { m_romdis_handler(state); }
@@ -104,6 +116,9 @@ public:
 	DECLARE_WRITE_LINE_MEMBER( ctrl1_w ) { m_ctrl1_handler(state); }
 	DECLARE_WRITE_LINE_MEMBER( ctrl2_w ) { m_ctrl2_handler(state); }
 
+	DECLARE_READ8_MEMBER( excs_r ) { return m_excsr_handler(space, offset); }
+	DECLARE_WRITE8_MEMBER( excs_w ) { m_excsw_handler(space, offset, data); }
+
 	// called from host
 	DECLARE_READ8_MEMBER( mreq_r );
 	DECLARE_WRITE8_MEMBER( mreq_w );
@@ -128,6 +143,9 @@ private:
 	devcb_write_line m_ramdis_handler;
 	devcb_write_line m_ctrl1_handler;
 	devcb_write_line m_ctrl2_handler;
+
+	devcb_read8 m_excsr_handler;
+	devcb_write8 m_excsw_handler;
 };
 
 // ======================> device_svi_expander_interface

src/devices/bus/svi3x8/expander/modules.cpp

@@ -11,4 +11,5 @@
 SLOT_INTERFACE_START( svi_expander_modules )
 	SLOT_INTERFACE("sv601", SV601)
 	SLOT_INTERFACE("sv602", SV602)
+	SLOT_INTERFACE("sv603", SV603)
 SLOT_INTERFACE_END

src/devices/bus/svi3x8/expander/modules.h

@@ -14,6 +14,7 @@
 #include "emu.h"
 #include "sv601.h"
 #include "sv602.h"
+#include "sv603.h"
 
 SLOT_INTERFACE_EXTERN( svi_expander_modules );
 

src/devices/bus/svi3x8/expander/sv603.cpp

@@ -0,0 +1,146 @@
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
+/***************************************************************************
+
+    SV-603 Coleco Game Adapter for SVI-318/328
+
+***************************************************************************/
+
+#include "sv603.h"
+#include "softlist.h"
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type SV603 = &device_creator<sv603_device>;
+
+//-------------------------------------------------
+//  rom_region - device-specific ROM region
+//-------------------------------------------------
+
+ROM_START( sv603 )
+	ROM_REGION(0x2000, "bios", 0)
+	ROM_LOAD("sv603.ic10", 0x0000, 0x2000, CRC(19e91b82) SHA1(8a30abe5ffef810b0f99b86db38b1b3c9d259b78))
+ROM_END
+
+const rom_entry *sv603_device::device_rom_region() const
+{
+	return ROM_NAME( sv603 );
+}
+
+//-------------------------------------------------
+//  machine_config_additions - device-specific
+//  machine configurations
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( sv603 )
+	MCFG_SPEAKER_STANDARD_MONO("mono")
+	MCFG_SOUND_ADD("snd", SN76489A, XTAL_10_738635MHz / 3)
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+	// cartridge slot
+	MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "coleco_cart")
+	MCFG_GENERIC_EXTENSIONS("bin,rom,col")
+	MCFG_GENERIC_LOAD(sv603_device, cartridge)
+	MCFG_SOFTWARE_LIST_ADD("cart_list", "coleco")
+MACHINE_CONFIG_END
+
+machine_config_constructor sv603_device::device_mconfig_additions() const
+{
+	return MACHINE_CONFIG_NAME( sv603 );
+}
+
+
+//**************************************************************************
+//  CARTRIDGE
+//**************************************************************************
+
+DEVICE_IMAGE_LOAD_MEMBER( sv603_device, cartridge )
+{
+	UINT32 size = m_cart_rom->common_get_size("rom");
+
+	m_cart_rom->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
+	m_cart_rom->common_load_rom(m_cart_rom->get_rom_base(), size, "rom");
+
+	return IMAGE_INIT_PASS;
+}
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  sv603_device - constructor
+//-------------------------------------------------
+
+sv603_device::sv603_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+	device_t(mconfig, SV603, "SV-603 Coleco Game Adapter", tag, owner, clock, "sv603", __FILE__),
+	device_svi_expander_interface(mconfig, *this),
+	m_bios(*this, "bios"),
+	m_snd(*this, "snd"),
+	m_cart_rom(*this, "cartslot")
+{
+}
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void sv603_device::device_start()
+{
+}
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void sv603_device::device_reset()
+{
+	m_expander->ctrl1_w(0);
+}
+
+
+//**************************************************************************
+//  IMPLEMENTATION
+//**************************************************************************
+
+READ8_MEMBER( sv603_device::mreq_r )
+{
+	m_expander->romdis_w(0);
+
+	if (offset < 0x8000)
+		return m_cart_rom->read_rom(space, offset);
+
+	if (offset >= 0x8000 && offset < 0xa000)
+	{
+		m_expander->ramdis_w(0);
+		return m_bios->u8(offset & 0x1fff);
+	}
+
+	return 0xff;
+}
+
+WRITE8_MEMBER( sv603_device::mreq_w )
+{
+	m_expander->romdis_w(0);
+}
+
+READ8_MEMBER( sv603_device::iorq_r )
+{
+	if (offset >= 0xa0 && offset <= 0xbf)
+		return m_expander->excs_r(space, offset);
+
+	return 0xff;
+}
+
+WRITE8_MEMBER( sv603_device::iorq_w )
+{
+	if (offset >= 0xa0 && offset <= 0xbf)
+		m_expander->excs_w(space, offset, data);
+
+	if (offset >= 0xe0 && offset <= 0xff)
+		m_snd->write(space, 0, data);
+}

src/devices/bus/svi3x8/expander/sv603.h

@@ -0,0 +1,56 @@
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
+/***************************************************************************
+
+    SV-603 Coleco Game Adapter for SVI-318/328
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __SVI3X8_EXPANDER_SV603_H__
+#define __SVI3X8_EXPANDER_SV603_H__
+
+#include "emu.h"
+#include "expander.h"
+#include "sound/sn76496.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> sv603_device
+
+class sv603_device : public device_t, public device_svi_expander_interface
+{
+public:
+	// construction/destruction
+	sv603_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// from host
+	virtual DECLARE_READ8_MEMBER( mreq_r ) override;
+	virtual DECLARE_WRITE8_MEMBER( mreq_w ) override;
+	virtual DECLARE_READ8_MEMBER( iorq_r ) override;
+	virtual DECLARE_WRITE8_MEMBER( iorq_w ) override;
+
+	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cartridge);
+
+protected:
+	virtual const rom_entry *device_rom_region() const override;
+	virtual machine_config_constructor device_mconfig_additions() const override;
+	virtual void device_start() override;
+	virtual void device_reset() override;
+
+private:
+	required_memory_region m_bios;
+	required_device<sn76489a_device> m_snd;
+	required_device<generic_slot_device> m_cart_rom;
+};
+
+// device type definition
+extern const device_type SV603;
+
+#endif // __SVI3X8_EXPANDER_SV603_H__

src/devices/bus/svi3x8/slot/slot.cpp

@@ -75,9 +75,6 @@ READ8_MEMBER( svi_slot_bus_device::mreq_r )
 	device_svi_slot_interface *entry = m_dev.first();
 	UINT8 data = 0xff;
 
-	romdis_w(1);
-	ramdis_w(1);
-
 	while (entry)
 	{
 		data &= entry->mreq_r(space, offset);
@@ -95,9 +92,6 @@ WRITE8_MEMBER( svi_slot_bus_device::mreq_w )
 {
 	device_svi_slot_interface *entry = m_dev.first();
 
-	romdis_w(1);
-	ramdis_w(1);
-
 	while (entry)
 	{
 		entry->mreq_w(space, offset, data);

src/mame/drivers/coleco.cpp

@@ -472,11 +472,6 @@ ROM_START (colecop)
 	ROM_LOAD( "r72114a_8317.u2", 0x0000, 0x2000, CRC(d393c0cc) SHA1(160077afb139943725c634d6539898db59f33657) )
 ROM_END
 
-ROM_START (svi603)
-	ROM_REGION( 0x10000, "maincpu", 0 )
-	ROM_LOAD( "svi603.rom", 0x0000, 0x2000, CRC(19e91b82) SHA1(8a30abe5ffef810b0f99b86db38b1b3c9d259b78) )
-ROM_END
-
 ROM_START( czz50 )
 	ROM_REGION( 0x10000, "maincpu", 0 )
 	ROM_LOAD( "czz50.rom", 0x0000, 0x2000, CRC(4999abc6) SHA1(96aecec3712c94517103d894405bc98a7dafa440) )
@@ -493,7 +488,6 @@ ROM_END
 CONS( 1982, coleco,   0,        0,      coleco,   coleco, driver_device, 0, "Coleco",           "ColecoVision (NTSC)",              0 )
 CONS( 1982, onyx,     coleco,   0,      coleco,   coleco, driver_device, 0, "Microdigital",     "Onyx (Brazil/Prototype)",          0 )
 CONS( 1983, colecop,  coleco,   0,      colecop,  coleco, driver_device, 0, "Coleco",           "ColecoVision (PAL)",               0 )
-CONS( 1983, svi603,   coleco,   0,      coleco,   coleco, driver_device, 0, "Spectravideo",     "SVI-603 Coleco Game Adapter",      0 )
 CONS( 1986, czz50,    0,        coleco, czz50,    czz50,  driver_device, 0, "Bit Corporation",  "Chuang Zao Zhe 50",                0 )
 CONS( 1988, dina,     czz50,    0,      dina,     czz50,  driver_device, 0, "Telegames",        "Dina",                             0 )
 CONS( 1988, prsarcde, czz50,    0,      czz50,    czz50,  driver_device, 0, "Telegames",        "Personal Arcade",                  0 )

src/mame/drivers/svi318.cpp

@@ -10,6 +10,7 @@
 #include "emu.h"
 #include "cpu/z80/z80.h"
 #include "machine/ram.h"
+#include "machine/bankdev.h"
 #include "machine/i8255.h"
 #include "video/tms9928a.h"
 #include "sound/ay8910.h"
@@ -48,7 +49,9 @@ public:
 		: driver_device(mconfig, type, tag),
 		m_maincpu(*this, "maincpu"),
 		m_ram(*this, RAM_TAG),
+		m_io(*this, "io"),
 		m_basic(*this, "basic"),
+		m_vdp(*this, "vdp"),
 		m_speaker(*this, "speaker"),
 		m_cassette(*this, "cassette"),
 		m_cart_rom(*this, "cartslot"),
@@ -59,6 +62,7 @@ public:
 		m_romdis(1), m_ramdis(1),
 		m_cart(1), m_bk21(1),
 		m_rom2(1), m_rom3(1),
+		m_ctrl1(-1),
 		m_keyboard_row(0)
 	{}
 
@@ -75,6 +79,10 @@ public:
 	DECLARE_WRITE_LINE_MEMBER( intexp_w );
 	DECLARE_WRITE_LINE_MEMBER( romdis_w );
 	DECLARE_WRITE_LINE_MEMBER( ramdis_w );
+	DECLARE_WRITE_LINE_MEMBER( ctrl1_w );
+
+	DECLARE_READ8_MEMBER( excs_r );
+	DECLARE_WRITE8_MEMBER( excs_w );
 
 	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cartridge);
 
@@ -85,7 +93,9 @@ protected:
 private:
 	required_device<cpu_device> m_maincpu;
 	required_device<ram_device> m_ram;
+	required_device<address_map_bank_device> m_io;
 	required_memory_region m_basic;
+	required_device<tms9928a_device> m_vdp;
 	required_device<speaker_sound_device> m_speaker;
 	required_device<cassette_image_device> m_cassette;
 	required_device<generic_slot_device> m_cart_rom;
@@ -101,6 +111,7 @@ private:
 	int m_bk21;
 	int m_rom2;
 	int m_rom3;
+	int m_ctrl1;
 
 	UINT8 m_keyboard_row;
 };
@@ -117,16 +128,21 @@ ADDRESS_MAP_END
 
 static ADDRESS_MAP_START( svi3x8_io, AS_IO, 8, svi3x8_state )
 	ADDRESS_MAP_GLOBAL_MASK(0xff)
-	AM_RANGE(0x00, 0x7f) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
+	AM_RANGE(0x00, 0xff) AM_DEVICE("io", address_map_bank_device, amap8)
-	AM_RANGE(0x80, 0x80) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, vram_write)
+ADDRESS_MAP_END
-	AM_RANGE(0x81, 0x81) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, register_write)
+
-	AM_RANGE(0x84, 0x84) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, vram_read)
+static ADDRESS_MAP_START( svi3x8_io_bank, AS_PROGRAM, 8, svi3x8_state )
-	AM_RANGE(0x85, 0x85) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, register_read)
+	AM_RANGE(0x000, 0x0ff) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
-	AM_RANGE(0x88, 0x88) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, address_w)
+	AM_RANGE(0x100, 0x17f) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
-	AM_RANGE(0x8c, 0x8c) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, data_w)
+	AM_RANGE(0x180, 0x180) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, vram_write)
-	AM_RANGE(0x90, 0x90) AM_MIRROR(0x23) AM_DEVREAD("psg", ay8910_device, data_r)
+	AM_RANGE(0x181, 0x181) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, register_write)
-	AM_RANGE(0x94, 0x97) AM_DEVWRITE("ppi", i8255_device, write)
+	AM_RANGE(0x184, 0x184) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, vram_read)
-	AM_RANGE(0x98, 0x9a) AM_DEVREAD("ppi", i8255_device, read)
+	AM_RANGE(0x185, 0x185) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, register_read)
+	AM_RANGE(0x188, 0x188) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, address_w)
+	AM_RANGE(0x18c, 0x18c) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, data_w)
+	AM_RANGE(0x190, 0x190) AM_MIRROR(0x23) AM_DEVREAD("psg", ay8910_device, data_r)
+	AM_RANGE(0x194, 0x197) AM_DEVWRITE("ppi", i8255_device, write)
+	AM_RANGE(0x198, 0x19a) AM_DEVREAD("ppi", i8255_device, read)
 ADDRESS_MAP_END
 
 
@@ -294,9 +310,11 @@ INPUT_PORTS_END
 
 WRITE_LINE_MEMBER( svi3x8_state::intvdp_w )
 {
-	// note: schematics show a CNTRL line that allows switching between
-	// IRQ and NMI for the interrupt
 	m_intvdp = state;
+
+	if (m_ctrl1 == 0)
+		m_maincpu->set_input_line(INPUT_LINE_NMI, m_intvdp ? ASSERT_LINE : CLEAR_LINE);
+	else
 		m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
 }
 
@@ -316,6 +334,7 @@ void svi3x8_state::machine_start()
 	save_item(NAME(m_bk21));
 	save_item(NAME(m_rom2));
 	save_item(NAME(m_rom3));
+	save_item(NAME(m_ctrl1));
 	save_item(NAME(m_keyboard_row));
 }
 
@@ -330,10 +349,17 @@ void svi3x8_state::machine_reset()
 	m_rom2 = 1;
 	m_rom3 = 1;
 	m_keyboard_row = 0;
+
+	if (m_ctrl1 == -1)
+		ctrl1_w(1);
 }
 
 READ8_MEMBER( svi3x8_state::mreq_r )
 {
+	// ctrl1 inverts a15
+	if (m_ctrl1 == 0)
+		offset ^= 0x8000;
+
 	if (CCS1 || CCS2 || CCS3 || CCS4)
 		return m_cart_rom->read_rom(space, offset);
 
@@ -353,6 +379,10 @@ READ8_MEMBER( svi3x8_state::mreq_r )
 
 WRITE8_MEMBER( svi3x8_state::mreq_w )
 {
+	// ctrl1 inverts a15
+	if (m_ctrl1 == 0)
+		offset ^= 0x8000;
+
 	if (CCS1 || CCS2 || CCS3 || CCS4)
 		return;
 
@@ -422,6 +452,10 @@ WRITE8_MEMBER( svi3x8_state::ppi_port_c_w )
 WRITE_LINE_MEMBER( svi3x8_state::intexp_w )
 {
 	m_intexp = state;
+
+	if (m_ctrl1 == 0)
+		m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_intexp ? ASSERT_LINE : CLEAR_LINE);
+	else
 		m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
 }
 
@@ -435,6 +469,30 @@ WRITE_LINE_MEMBER( svi3x8_state::ramdis_w )
 	m_ramdis = state;
 }
 
+WRITE_LINE_MEMBER( svi3x8_state::ctrl1_w )
+{
+	m_ctrl1 = state;
+
+	// ctrl1 disables internal io address decoding
+	m_io->set_bank(m_ctrl1);
+}
+
+READ8_MEMBER( svi3x8_state::excs_r )
+{
+	if (offset & 1)
+		return m_vdp->register_read(space, 0);
+	else
+		return m_vdp->vram_read(space, 0);
+}
+
+WRITE8_MEMBER( svi3x8_state::excs_w )
+{
+	if (offset & 1)
+		m_vdp->register_write(space, 0, data);
+	else
+		m_vdp->vram_write(space, 0, data);
+}
+
 
 //**************************************************************************
 //  CARTRIDGE
@@ -464,6 +522,12 @@ static MACHINE_CONFIG_START( svi318, svi3x8_state )
 	MCFG_RAM_ADD(RAM_TAG)
 	MCFG_RAM_DEFAULT_SIZE("16K")
 
+	MCFG_DEVICE_ADD("io", ADDRESS_MAP_BANK, 0)
+	MCFG_DEVICE_PROGRAM_MAP(svi3x8_io_bank)
+	MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
+	MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(9)
+	MCFG_ADDRESS_MAP_BANK_STRIDE(0x100)
+
 	MCFG_DEVICE_ADD("ppi", I8255, 0)
 	MCFG_I8255_IN_PORTA_CB(READ8(svi3x8_state, ppi_port_a_r))
 	MCFG_I8255_IN_PORTB_CB(READ8(svi3x8_state, ppi_port_b_r))
@@ -505,6 +569,9 @@ static MACHINE_CONFIG_START( svi318, svi3x8_state )
 	MCFG_SVI_EXPANDER_INT_HANDLER(WRITELINE(svi3x8_state, intexp_w))
 	MCFG_SVI_EXPANDER_ROMDIS_HANDLER(WRITELINE(svi3x8_state, romdis_w))
 	MCFG_SVI_EXPANDER_RAMDIS_HANDLER(WRITELINE(svi3x8_state, ramdis_w))
+	MCFG_SVI_EXPANDER_CTRL1_HANDLER(WRITELINE(svi3x8_state, ctrl1_w))
+	MCFG_SVI_EXPANDER_EXCSR_HANDLER(READ8(svi3x8_state, excs_r))
+	MCFG_SVI_EXPANDER_EXCSW_HANDLER(WRITE8(svi3x8_state, excs_w))
 MACHINE_CONFIG_END
 
 static MACHINE_CONFIG_DERIVED( svi318n, svi318 )

src/mame/mame.lst

@@ -9266,7 +9266,6 @@ czz50                           // Bit Corporation Chuang Zao Zhe 50
 dina                            // Telegames Dina
 onyx                            // Microdigital ONYX (Brazilian Coleco clone / unreleased prototype)
 prsarcde                        // Telegames Personal Arcade
-svi603                          // Spectravideo SVI-603 Coleco Game Adapter
 
 @source:combatsc.cpp
 bootcamp                        // GX611 (c) 1987