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author Dirk Best <mail@dirk-best.de>2016-03-25 17:46:31 +0100
committer Dirk Best <mail@dirk-best.de>2016-03-25 17:47:33 +0100
commit37a32099cd8072362a3ab56929bb4dddc751794a (patch)
tree17ec7bcdf098f7cace1c72d9c872d6fa78b2203a /src
parent9adf7c90ff19373c85b17bb98435879e0efa7b4f (diff)
svi318: preliminary support for the sv603 coleco game adapter
lacks controller support
Diffstat (limited to 'src')
-rw-r--r--src/devices/bus/svi3x8/expander/expander.cpp12
-rw-r--r--src/devices/bus/svi3x8/expander/expander.h18
-rw-r--r--src/devices/bus/svi3x8/expander/modules.cpp1
-rw-r--r--src/devices/bus/svi3x8/expander/modules.h1
-rw-r--r--src/devices/bus/svi3x8/expander/sv603.cpp146
-rw-r--r--src/devices/bus/svi3x8/expander/sv603.h56
-rw-r--r--src/devices/bus/svi3x8/slot/slot.cpp6
-rw-r--r--src/mame/drivers/coleco.cpp6
-rw-r--r--src/mame/drivers/svi318.cpp95
-rw-r--r--src/mame/mame.lst1
10 files changed, 314 insertions, 28 deletions
diff --git a/src/devices/bus/svi3x8/expander/expander.cpp b/src/devices/bus/svi3x8/expander/expander.cpp
index faddf3f24ac..06267538209 100644
--- a/src/devices/bus/svi3x8/expander/expander.cpp
+++ b/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);
}
diff --git a/src/devices/bus/svi3x8/expander/expander.h b/src/devices/bus/svi3x8/expander/expander.h
index a2bed1f609b..91c98f6a0c9 100644
--- a/src/devices/bus/svi3x8/expander/expander.h
+++ b/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
diff --git a/src/devices/bus/svi3x8/expander/modules.cpp b/src/devices/bus/svi3x8/expander/modules.cpp
index f8da88451e4..ec606d2b348 100644
--- a/src/devices/bus/svi3x8/expander/modules.cpp
+++ b/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
diff --git a/src/devices/bus/svi3x8/expander/modules.h b/src/devices/bus/svi3x8/expander/modules.h
index a13e146a26e..3f236724ed6 100644
--- a/src/devices/bus/svi3x8/expander/modules.h
+++ b/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 );
diff --git a/src/devices/bus/svi3x8/expander/sv603.cpp b/src/devices/bus/svi3x8/expander/sv603.cpp
new file mode 100644
index 00000000000..5e20d87807d
--- /dev/null
+++ b/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);
+}
diff --git a/src/devices/bus/svi3x8/expander/sv603.h b/src/devices/bus/svi3x8/expander/sv603.h
new file mode 100644
index 00000000000..1045d6e3567
--- /dev/null
+++ b/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__
diff --git a/src/devices/bus/svi3x8/slot/slot.cpp b/src/devices/bus/svi3x8/slot/slot.cpp
index 5ab951e18f1..d713f2d3322 100644
--- a/src/devices/bus/svi3x8/slot/slot.cpp
+++ b/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);
diff --git a/src/mame/drivers/coleco.cpp b/src/mame/drivers/coleco.cpp
index fc9c429680d..9c3038c9b71 100644
--- a/src/mame/drivers/coleco.cpp
+++ b/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 )
diff --git a/src/mame/drivers/svi318.cpp b/src/mame/drivers/svi318.cpp
index 1347b7b488e..70ea137a26b 100644
--- a/src/mame/drivers/svi318.cpp
+++ b/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(0x80, 0x80) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, vram_write)
- 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)
- AM_RANGE(0x85, 0x85) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, register_read)
- AM_RANGE(0x88, 0x88) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, address_w)
- AM_RANGE(0x8c, 0x8c) AM_MIRROR(0x23) AM_DEVWRITE("psg", ay8910_device, data_w)
- AM_RANGE(0x90, 0x90) AM_MIRROR(0x23) AM_DEVREAD("psg", ay8910_device, data_r)
- AM_RANGE(0x94, 0x97) AM_DEVWRITE("ppi", i8255_device, write)
- AM_RANGE(0x98, 0x9a) AM_DEVREAD("ppi", i8255_device, read)
+ AM_RANGE(0x00, 0xff) AM_DEVICE("io", address_map_bank_device, amap8)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( svi3x8_io_bank, AS_PROGRAM, 8, svi3x8_state )
+ AM_RANGE(0x000, 0x0ff) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
+ AM_RANGE(0x100, 0x17f) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
+ AM_RANGE(0x180, 0x180) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, vram_write)
+ AM_RANGE(0x181, 0x181) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, register_write)
+ AM_RANGE(0x184, 0x184) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, vram_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
@@ -294,10 +310,12 @@ 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;
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
+
+ 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;
@@ -422,7 +452,11 @@ WRITE8_MEMBER( svi3x8_state::ppi_port_c_w )
WRITE_LINE_MEMBER( svi3x8_state::intexp_w )
{
m_intexp = state;
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
+
+ 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);
}
WRITE_LINE_MEMBER( svi3x8_state::romdis_w )
@@ -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 )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index f17dc249043..61d6b093de7 100644
--- a/src/mame/mame.lst
+++ b/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