-msx2_cart.xml: Added six items (five working). (mamedev#12052)

* machine/mb87030.cpp: Fix some bit definitions for the SCMD register. [Patrick Mackinlay] * bus/msx/cart/scsi.cpp: Add partial support for MegaSCSI SCSI interface cartridges. [Wilbert Pol] New working software list items (msx2_cart.xml) ------------------------------- MEGA-SCSI (1024KB) [file-hunter, Wilbert Pol] MEGA-SCSI (512KB) [file-hunter, Wilbert Pol] MEGA-SCSI (256KB) [file-hunter, Wilbert Pol] MEGA-SCSI (128KB) [file-hunter, Wilbert Pol] DSKPRO (v11.6) [file-hunter] New software list items marked not working (msx2_cart.xml) ------------------------------------------ Video Digitizer (Japan) [file-hunter]
cuavas · Feb 24, 2024 · dcc48ae · dcc48ae
1 parent 0b15781
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diff --git a/hash/msx2_cart.xml b/hash/msx2_cart.xml
@@ -3582,6 +3582,26 @@ LZ93A13 (32 pin) - 8KB banks
 		</part>
 	</software>
 
+	<software name="hbiv1" supported="no">
+		<description>Video Digitizer (Japan)</description>
+		<year>1989</year>
+		<publisher>Sony</publisher>
+		<notes>Digitizer cartridge not emulated.</notes>
+		<info name="alt_title" value="ビデオデジタイザー"/>
+		<info name="serial" value="HBI-V1"/>
+		<part name="cart" interface="msx_cart">
+			<dataarea name="rom" size="0x8000">
+				<rom name="hbp-v1.ic107" size="0x8000" status="nodump"/>
+			</dataarea>
+		</part>
+		<part name="flop1" interface="floppy_3_5">
+			<feature name="part_id" value="オートグラフィックローダ"/>
+			<dataarea name="flop" size="737280">
+				<rom name="auto graphic loader - sony.dsk" size="737280" crc="b7675805" sha1="5133282dd32361d8f3c94de05b3dd6b1773f8231"/>
+			</dataarea>
+		</part>
+	</software>
+
 <!-- Missing Kanji rom. -->
 	<software name="msxwrit2" supported="no">
 		<description>Japanese MSX-Write II (Japan)</description>
@@ -3827,6 +3847,74 @@ LZ93A13 (32 pin) - 8KB banks
 		</part>
 	</software>
 
+	<software name="megascsi" supported="partial">
+		<description>MEGA-SCSI (1024KB)</description>
+		<year>1995</year>
+		<publisher>ESE Artists' Factory</publisher>
+		<info name="usage" value="Requires MSX-DOS2."/>
+		<part name="cart" interface="msx_cart">
+			<feature name="slot" value="mega_scsi"/>
+			<dataarea name="sram" size="0x100000" />
+		</part>
+		<part name="flop" interface="floppy_3_5">
+			<dataarea name="flop" size="737280">
+				<!-- Already contains some kernel files generated with ksaver. -->
+				<rom name="mega-scsi - ese artists factory.dsk" size="737280" crc="59e65112" sha1="616c63e979c992182c2664c9ca65ea7e984d5c8d" status="baddump"/>
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="megascsi4" cloneof="megascsi" supported="partial">
+		<description>MEGA-SCSI (512KB)</description>
+		<year>1995</year>
+		<publisher>ESE Artists' Factory</publisher>
+		<info name="usage" value="Requires MSX-DOS2."/>
+		<part name="cart" interface="msx_cart">
+			<feature name="slot" value="mega_scsi"/>
+			<dataarea name="sram" size="0x80000" />
+		</part>
+		<part name="flop" interface="floppy_3_5">
+			<dataarea name="flop" size="737280">
+				<!-- Already contains some kernel files generated with ksaver. -->
+				<rom name="mega-scsi - ese artists factory.dsk" size="737280" crc="59e65112" sha1="616c63e979c992182c2664c9ca65ea7e984d5c8d" status="baddump"/>
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="megascsi2" cloneof="megascsi" supported="partial">
+		<description>MEGA-SCSI (256KB)</description>
+		<year>1995</year>
+		<publisher>ESE Artists' Factory</publisher>
+		<info name="usage" value="Requires MSX-DOS2."/>
+		<part name="cart" interface="msx_cart">
+			<feature name="slot" value="mega_scsi"/>
+			<dataarea name="sram" size="0x40000" />
+		</part>
+		<part name="flop" interface="floppy_3_5">
+			<dataarea name="flop" size="737280">
+				<!-- Already contains some kernel files generated with ksaver. -->
+				<rom name="mega-scsi - ese artists factory.dsk" size="737280" crc="59e65112" sha1="616c63e979c992182c2664c9ca65ea7e984d5c8d" status="baddump"/>
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="megascsi1" cloneof="megascsi" supported="partial">
+		<description>MEGA-SCSI (128KB)</description>
+		<year>1995</year>
+		<publisher>ESE Artists' Factory</publisher>
+		<info name="usage" value="Requires MSX-DOS2."/>
+		<part name="cart" interface="msx_cart">
+			<feature name="slot" value="mega_scsi"/>
+			<dataarea name="sram" size="0x20000" />
+		</part>
+		<part name="flop" interface="floppy_3_5">
+			<dataarea name="flop" size="737280">
+				<!-- Already contains some kernel files generated with ksaver. -->
+				<rom name="mega-scsi - ese artists factory.dsk" size="737280" crc="59e65112" sha1="616c63e979c992182c2664c9ca65ea7e984d5c8d" status="baddump"/>
+			</dataarea>
+		</part>
+	</software>
+
 <!-- Homebrew / Doujin software -->
 
 	<software name="moronslt" supported="partial">
@@ -3980,6 +4068,19 @@ LZ93A13 (32 pin) - 8KB banks
 		</part>
 	</software>
 
+	<software name="dskpro116">
+		<description>DSKPRO (v11.6)</description>
+		<year>2017</year>
+		<publisher>Pirates do Caribe</publisher>
+		<info name="usage" value="Type CALL DSKPRO or _DSKPRO to start the software."/>
+		<part name="cart" interface="msx_cart">
+			<feature name="start_page" value="1"/>
+			<dataarea name="rom" size="0x8000">
+				<rom name="dskpro - pirates do caribe (v11.6).rom" size="0x8000" crc="d4e00d75" sha1="8d2b1bbaee6f9ab86b6764c51a94d89e2a1959a0"/>
+			</dataarea>
+		</part>
+	</software>
+
 	<software name="equivocal" supported="partial">
 		<description>Equivocal (v1.5)</description>
 		<year>2009</year>

diff --git a/src/devices/bus/msx/cart/cartridge.cpp b/src/devices/bus/msx/cart/cartridge.cpp
@@ -81,6 +81,7 @@ void msx_cart(device_slot_interface &device, bool is_in_subslot)
 	device.option_add_internal(slotoptions::LOVEPLUS,        MSX_CART_LOVEPLUS);
 	device.option_add_internal(slotoptions::MAJUSTUSHI,      MSX_CART_MAJUTSUSHI);
 	device.option_add_internal(slotoptions::MATRA_COMP,      MSX_CART_MATRA_COMP);
+	device.option_add_internal(slotoptions::MEGA_SCSI,       MSX_CART_MEGA_SCSI);
 	device.option_add_internal(slotoptions::MSXAUD_FSCA1,    MSX_CART_MSX_AUDIO_FSCA1);
 	device.option_add_internal(slotoptions::MSXAUD_HXMU900,  MSX_CART_MSX_AUDIO_HXMU900);
 	device.option_add_internal(slotoptions::MSXAUD_NMS1205,  MSX_CART_MSX_AUDIO_NMS1205);

diff --git a/src/devices/bus/msx/cart/scsi.cpp b/src/devices/bus/msx/cart/scsi.cpp
@@ -4,26 +4,30 @@
 #include "scsi.h"
 
 #include "bus/nscsi/devices.h"
+#include "machine/mb87030.h"
 #include "machine/nscsi_bus.h"
 #include "machine/wd33c9x.h"
 
 /*
 
 Implementation of SCSI interface as it appeared in:
 - MSX Computer Club Gouda MSX-SCSI Interface
+- ESE MegaSCSI
+  - Came with SRAM on the cartridge (128/256/512/1024KB SRAM)
 
 
 Other known SCSI(-ish) interfaces:
 
 ASCII HD Interface (SASI Interface)
 B.E.R.T.
-ESE MegaSCSI
-- Came with SRAM on the cartridge (128/256/512/1024KB SRAM)
 HSH SCSI Interface
 MAK/Green/Sparrowsoft SCSI Interface
 MK SCSI Interface
 - Evolved into B.E.R.T. SCSI Interface.
 
+TODO:
+- Fix MegaSCSI mb89352 write operation at 8MHz.
+
 */
 
 namespace
@@ -47,15 +51,9 @@ class msx_cart_gouda_scsi_device : public device_t, public msx_cart_interface
 private:
 	required_device<wd33c93a_device> m_wd33c93a;
 
-	void wd33c93a(device_t *device);
 	void reset_w(u8 data);
 };
 
-void msx_cart_gouda_scsi_device::wd33c93a(device_t *device)
-{
-	device->set_clock(10'000'000);
-}
-
 void msx_cart_gouda_scsi_device::device_add_mconfig(machine_config &config)
 {
 	NSCSI_BUS(config, "scsi", 0);
@@ -65,9 +63,7 @@ void msx_cart_gouda_scsi_device::device_add_mconfig(machine_config &config)
 	NSCSI_CONNECTOR(config, "scsi:3", default_scsi_devices, nullptr, false);
 	NSCSI_CONNECTOR(config, "scsi:4", default_scsi_devices, nullptr, false);
 	NSCSI_CONNECTOR(config, "scsi:5", default_scsi_devices, nullptr, false);
-	NSCSI_CONNECTOR(config, "scsi:6").option_set("wd33c93a", WD33C93A)
-			.machine_config([this] (device_t *device) { wd33c93a(device); });
-
+	NSCSI_CONNECTOR(config, "scsi:6").option_set("wd33c93a", WD33C93A).clock(10_MHz_XTAL);
 }
 
 std::error_condition msx_cart_gouda_scsi_device::initialize_cartridge(std::string &message)
@@ -98,6 +94,144 @@ void msx_cart_gouda_scsi_device::reset_w(u8 data)
 	m_wd33c93a->reset_w(data);
 }
 
+
+
+class msx_cart_mega_scsi_device : public device_t, public msx_cart_interface
+{
+public:
+	msx_cart_mega_scsi_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+		: device_t(mconfig, MSX_CART_MEGA_SCSI, tag, owner, clock)
+		, msx_cart_interface(mconfig, *this)
+		, m_mb89352a(*this, "scsi:7:mb89352a")
+		, m_srambank(*this, "srambank%u", 0U)
+		, m_view0(*this, "view0")
+		, m_view2(*this, "view2")
+		, m_view3(*this, "view3")
+		, m_bank_mask(0)
+	{ }
+
+	virtual std::error_condition initialize_cartridge(std::string &message) override;
+
+	static constexpr feature_type imperfect_features() { return feature::TIMING; }
+
+protected:
+	virtual void device_start() override { }
+	virtual void device_reset() override;
+	virtual void device_add_mconfig(machine_config &config) override;
+
+private:
+	static constexpr size_t BANK_SIZE = 0x2000;
+
+	required_device<mb89352_device> m_mb89352a;
+	memory_bank_array_creator<4> m_srambank;
+	memory_view m_view0;
+	memory_view m_view2;
+	memory_view m_view3;
+	u8 m_bank_mask;
+
+	template <int Bank> void bank_w(u8 data);
+};
+
+void msx_cart_mega_scsi_device::device_add_mconfig(machine_config &config)
+{
+	NSCSI_BUS(config, "scsi", 0);
+	NSCSI_CONNECTOR(config, "scsi:0", default_scsi_devices, "harddisk", false);
+	NSCSI_CONNECTOR(config, "scsi:1", default_scsi_devices, nullptr, false);
+	NSCSI_CONNECTOR(config, "scsi:2", default_scsi_devices, nullptr, false);
+	NSCSI_CONNECTOR(config, "scsi:3", default_scsi_devices, nullptr, false);
+	NSCSI_CONNECTOR(config, "scsi:4", default_scsi_devices, nullptr, false);
+	NSCSI_CONNECTOR(config, "scsi:5", default_scsi_devices, nullptr, false);
+	NSCSI_CONNECTOR(config, "scsi:6", default_scsi_devices, nullptr, false);
+	// Input clock is 8MHz according to the schematic. However, clocks below 11MHz cause writes to fail. Reads are fine at 8MHz.
+	//NSCSI_CONNECTOR(config, "scsi:7").option_set("mb89352a", MB89352).clock(16_MHz_XTAL/2);
+	NSCSI_CONNECTOR(config, "scsi:7").option_set("mb89352a", MB89352).clock(11'000'000);
+}
+
+void msx_cart_mega_scsi_device::device_reset()
+{
+	for (int i = 0; i < 4; i++)
+		m_srambank[i]->set_entry(0);
+	m_view0.select(0);
+	m_view2.select(0);
+	m_view3.select(0);
+}
+
+std::error_condition msx_cart_mega_scsi_device::initialize_cartridge(std::string &message)
+{
+	if (!cart_sram_region())
+	{
+		message = "msx_cart_mega_scsi_device: Required region 'sram' was not found.";
+		return image_error::INTERNAL;
+	}
+
+	const u32 sram_size = cart_sram_region()->bytes();
+
+	if (sram_size != 0x20000 && sram_size != 0x40000 && sram_size != 0x80000 && sram_size != 0x100000)
+	{
+		message = "msx_cart_mega_scsi_device: Region 'sram' has unsupported size.";
+		return image_error::INVALIDLENGTH;
+	}
+
+	const u16 sram_banks = sram_size / BANK_SIZE;
+	m_bank_mask = sram_banks - 1;
+
+	for (int i = 0; i < 4; i++)
+		m_srambank[i]->configure_entries(0, sram_banks, cart_sram_region()->base(), BANK_SIZE);
+
+	page(1)->install_view(0x4000, 0x5fff, m_view0);
+	m_view0[0].install_read_bank(0x4000, 0x5fff, m_srambank[0]);
+	m_view0[1].install_readwrite_bank(0x4000, 0x5fff, m_srambank[0]);
+	m_view0[2].install_read_handler(0x4000, 0x4fff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_r)));
+	m_view0[2].install_write_handler(0x4000, 0x4fff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_w)));
+	// mb89352 is mirrored at 5000 - 5fff
+	for (int i = 0; i < 0x1000; i += 0x10)
+		m_view0[2].install_device(0x5000 + i, 0x500f + i, *m_mb89352a, &mb89352_device::map);
+	page(1)->install_read_bank(0x6000, 0x7fff, m_srambank[1]);
+	page(2)->install_view(0x8000, 0x9fff, m_view2);
+	m_view2[0].install_read_bank(0x8000, 0x9fff, m_srambank[2]);
+	m_view2[1].install_readwrite_bank(0x8000, 0x9fff, m_srambank[2]);
+	m_view2[2].install_read_handler(0x8000, 0x8fff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_r)));
+	m_view2[2].install_write_handler(0x8000, 0x8fff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_w)));
+	// mb89352 is mirrored at 9000 - 9fff
+	for (int i = 0; i < 0x1000; i += 0x10)
+		m_view2[2].install_device(0x9000 + i, 0x900f + i, *m_mb89352a, &mb89352_device::map);
+	page(2)->install_view(0xa000, 0xbfff, m_view3);
+	m_view3[0].install_read_bank(0xa000, 0xbfff, m_srambank[3]);
+	m_view3[1].install_readwrite_bank(0xa000, 0xbfff, m_srambank[3]);
+	m_view3[2].install_read_handler(0xa000, 0xafff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_r)));
+	m_view3[2].install_write_handler(0xa000, 0xafff, emu::rw_delegate(*m_mb89352a, FUNC(mb89352_device::dma_w)));
+	// mb89352 is mirrored at b000 - bfff
+	for (int i = 0; i < 0x1000; i += 0x10)
+		m_view3[2].install_device(0xb000 + i, 0xb00f + i, *m_mb89352a, &mb89352_device::map);
+
+	page(1)->install_write_handler(0x6000, 0x67ff, emu::rw_delegate(*this, FUNC(msx_cart_mega_scsi_device::bank_w<0>)));
+	page(1)->install_write_handler(0x6800, 0x6fff, emu::rw_delegate(*this, FUNC(msx_cart_mega_scsi_device::bank_w<1>)));
+	page(1)->install_write_handler(0x7000, 0x77ff, emu::rw_delegate(*this, FUNC(msx_cart_mega_scsi_device::bank_w<2>)));
+	page(1)->install_write_handler(0x7800, 0x7fff, emu::rw_delegate(*this, FUNC(msx_cart_mega_scsi_device::bank_w<3>)));
+
+	return std::error_condition();
+}
+
+template <int Bank>
+void msx_cart_mega_scsi_device::bank_w(u8 data)
+{
+	// Also writes of $00 and $10 to 7ffe are seen before banking; some kind of banking enable?
+	m_srambank[Bank]->set_entry(data & m_bank_mask);
+	if (Bank != 1)
+	{
+		int view_to_select = BIT(data, 7) ? 1 : (BIT(data, 6) ? 2 : 0);
+
+		if (Bank == 0)
+			m_view0.select(view_to_select);
+		if (Bank == 2)
+			m_view2.select(view_to_select);
+		if (Bank == 3)
+			m_view3.select(view_to_select);
+	}
+}
+
+
 } // anonymous namespace
 
 DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_GOUDA_SCSI, msx_cart_interface, msx_cart_gouda_scsi_device, "msx_cart_gouda_scsi", "MSX Computer Club Gouda MSX-SCSI Interface")
+DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_MEGA_SCSI, msx_cart_interface, msx_cart_mega_scsi_device, "msx_cart_mega_scsi", "ESE MEGA-SCSI")
diff --git a/src/devices/bus/msx/cart/scsi.h b/src/devices/bus/msx/cart/scsi.h
@@ -8,5 +8,6 @@
 #include "bus/msx/slot/cartridge.h"
 
 DECLARE_DEVICE_TYPE(MSX_CART_GOUDA_SCSI, msx_cart_interface)
+DECLARE_DEVICE_TYPE(MSX_CART_MEGA_SCSI, msx_cart_interface)
 
 #endif // MAME_BUS_MSX_CART_SCSI_H
diff --git a/src/devices/bus/msx/cart/slotoptions.cpp b/src/devices/bus/msx/cart/slotoptions.cpp
@@ -31,8 +31,8 @@ char const *const DISK_NMS1200    = "disk_nms1200";
 char const *const DISK_TADPF550   = "disk_tadpf550";
 char const *const DISK_VY0010     = "disk_vy0010";
 char const *const DOOLY           = "dooly";
-char const *const EC701           = "ec701";
 char const *const EASISPEECH      = "easispeech";
+char const *const EC701           = "ec701";
 char const *const FMPAC           = "fmpac";
 char const *const FS_SR021        = "fs_sr021";
 char const *const FS_SR022        = "fs_sr022";
@@ -55,6 +55,7 @@ char const *const KOREAN_HYDLIDE2 = "korean_hydlide2";
 char const *const LOVEPLUS        = "loveplus";
 char const *const MAJUSTUSHI      = "majutsushi";
 char const *const MATRA_COMP      = "matra_comp";
+char const *const MEGA_SCSI       = "mega_scsi";
 char const *const MM256K          = "mm256k";
 char const *const MM512K          = "mm512k";
 char const *const MM768K          = "mm768k";

diff --git a/src/devices/bus/msx/cart/slotoptions.h b/src/devices/bus/msx/cart/slotoptions.h
@@ -34,8 +34,8 @@ extern char const *const DISK_NMS1200;
 extern char const *const DISK_TADPF550;
 extern char const *const DISK_VY0010;
 extern char const *const DOOLY;
-extern char const *const EC701;
 extern char const *const EASISPEECH;
+extern char const *const EC701;
 extern char const *const FMPAC;
 extern char const *const FS_SR021;
 extern char const *const FS_SR022;
@@ -58,6 +58,7 @@ extern char const *const KOREAN_HYDLIDE2;
 extern char const *const LOVEPLUS;
 extern char const *const MAJUSTUSHI;
 extern char const *const MATRA_COMP;
+extern char const *const MEGA_SCSI;
 extern char const *const MM256K;
 extern char const *const MM512K;
 extern char const *const MM768K;

diff --git a/src/devices/machine/mb87030.h b/src/devices/machine/mb87030.h
@@ -74,9 +74,9 @@ class mb87030_device : public nscsi_device, public nscsi_slot_card_interface
 	constexpr static uint8_t SCTL_RESET_AND_DISABLE = 0x80;
 
 	constexpr static uint8_t SCMD_TERM_MODE = 0x01;
-	constexpr static uint8_t SCMD_PRG_XFER = 0x02;
-	constexpr static uint8_t SCMD_INTERCEPT_XFER = 0x04;
-	constexpr static uint8_t SCMD_RST_OUT = 0x08;
+	constexpr static uint8_t SCMD_PRG_XFER = 0x04;
+	constexpr static uint8_t SCMD_INTERCEPT_XFER = 0x08;
+	constexpr static uint8_t SCMD_RST_OUT = 0x10;
 	constexpr static uint8_t SCMD_CMD_BUS_RELEASE = 0x00;
 	constexpr static uint8_t SCMD_CMD_SELECT = 0x20;
 	constexpr static uint8_t SCMD_CMD_RESET_ATN = 0x40;