-sbus: Added a skeleton device for the SunSwift 10/100 + Fast Wide SCSI SBus board. [Ryan Holtz, Andrew Liles]

scripts/src/bus.lua

@@ -3042,6 +3042,8 @@ if (BUSES["SBUS"]~=null) then
 		MAME_DIR .. "src/devices/bus/sbus/bwtwo.h",
 		MAME_DIR .. "src/devices/bus/sbus/cgthree.cpp",
 		MAME_DIR .. "src/devices/bus/sbus/cgthree.h",
+		MAME_DIR .. "src/devices/bus/sbus/hme.cpp",
+		MAME_DIR .. "src/devices/bus/sbus/hme.h",
 		MAME_DIR .. "src/devices/bus/sbus/sunpc.cpp",
 		MAME_DIR .. "src/devices/bus/sbus/sunpc.h",
 		MAME_DIR .. "src/devices/bus/sbus/turbogx.cpp",

src/devices/bus/sbus/hme.cpp

@@ -0,0 +1,71 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/***************************************************************************
+
+    Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" skeleton
+
+	Notable parts on board:
+	- 1x 32-pin PLCC ROM, label 525 / 1409 / -08 on separate lines
+	- 1x Sun STP2002QFP, marked 100-4156-05 / 609-0392458 / DP03972
+	- 1x National Semiconductor DP83840AVCE-1 Ethernet Physical Layer
+	- 1x National Semiconductor DP83223V Twisted Pair Transceiver
+
+***************************************************************************/
+
+#include "emu.h"
+#include "hme.h"
+
+DEFINE_DEVICE_TYPE(SBUS_HME, sbus_hme_device, "sbus_hme", "Sun 10/100 + Fast Wide SCSI")
+
+void sbus_hme_device::mem_map(address_map &map)
+{
+	map(0x00000000, 0x01ffffff).rw(FUNC(sbus_hme_device::unknown_r), FUNC(sbus_hme_device::unknown_w));
+	map(0x00000000, 0x0000ffff).r(FUNC(sbus_hme_device::rom_r));
+}
+
+ROM_START( sbus_hme )
+	ROM_REGION32_BE(0x10000, "prom", ROMREGION_ERASEFF)
+	ROM_LOAD( "525 1409 -08.bin", 0x00000, 0x10000, CRC(10f0b28f) SHA1(b54bb0f01c45accdbc58c3a86f8de34949374880))
+ROM_END
+
+const tiny_rom_entry *sbus_hme_device::device_rom_region() const
+{
+	return ROM_NAME( sbus_hme );
+}
+
+void sbus_hme_device::device_add_mconfig(machine_config &config)
+{
+}
+
+
+sbus_hme_device::sbus_hme_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, SBUS_HME, tag, owner, clock)
+	, device_sbus_card_interface(mconfig, *this)
+	, m_rom(*this, "prom")
+{
+}
+
+void sbus_hme_device::device_start()
+{
+}
+
+void sbus_hme_device::install_device()
+{
+	m_sbus->install_device(m_base, m_base + 0x1ffffff, *this, &sbus_hme_device::mem_map);
+}
+
+READ32_MEMBER(sbus_hme_device::unknown_r)
+{
+	logerror("%s: unknown_r: %08x & %08x\n", machine().describe_context(), offset << 2, mem_mask);
+	return 0;
+}
+
+WRITE32_MEMBER(sbus_hme_device::unknown_w)
+{
+	logerror("%s: unknown_w: %08x = %08x & %08x\n", machine().describe_context(), offset << 2, data, mem_mask);
+}
+
+READ32_MEMBER(sbus_hme_device::rom_r)
+{
+	return ((uint32_t*)m_rom->base())[offset];
+}

src/devices/bus/sbus/hme.h

@@ -0,0 +1,45 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/***************************************************************************
+
+    Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" skeleton
+
+***************************************************************************/
+
+#ifndef MAME_BUS_SBUS_HME_H
+#define MAME_BUS_SBUS_HME_H
+
+#pragma once
+
+#include "sbus.h"
+
+
+class sbus_hme_device : public device_t, public device_sbus_card_interface
+{
+public:
+	// construction/destruction
+	sbus_hme_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+	// device_t overrides
+	virtual const tiny_rom_entry *device_rom_region() const override;
+	virtual void device_add_mconfig(machine_config &config) override;
+	virtual void device_start() override;
+
+	// device_sbus_slot_interface overrides
+	virtual void install_device() override;
+
+	DECLARE_READ32_MEMBER(unknown_r);
+	DECLARE_WRITE32_MEMBER(unknown_w);
+	DECLARE_READ32_MEMBER(rom_r);
+
+private:
+	void mem_map(address_map &map) override;
+
+	required_memory_region m_rom;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(SBUS_HME, sbus_hme_device)
+
+#endif // MAME_BUS_SBUS_HME_H

src/devices/bus/sbus/sbus.cpp

@@ -16,6 +16,9 @@
 // Accelerator boards
 #include "sunpc.h"
 
+// Peripheral boards
+#include "hme.h"
+
 #include "sbus.h"
 
 void sbus_cards(device_slot_interface &device)
@@ -24,6 +27,7 @@ void sbus_cards(device_slot_interface &device)
 	device.option_add("cgthree", SBUS_CGTHREE); /* Sun cgthree color display board */
 	device.option_add("turbogx", SBUS_TURBOGX); /* Sun TurboGX 8-bit color display board */
 	device.option_add("sunpc",   SBUS_SUNPC);   /* Sun SunPC 5x86 Accelerator board */
+	device.option_add("hme",     SBUS_HME);     /* Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" board */
 }
 
 DEFINE_DEVICE_TYPE(SBUS_SLOT, sbus_slot_device, "sbus_slot", "Sun SBus Slot")