-sbus: Added a skeleton device for the Artecon SB300P 3-serial 1-parallel SBus card. [Ryan Holtz]

scripts/src/bus.lua

@@ -3038,6 +3038,8 @@ end
 
 if (BUSES["SBUS"]~=null) then
 	files {
+		MAME_DIR .. "src/devices/bus/sbus/artecon.cpp",
+		MAME_DIR .. "src/devices/bus/sbus/artecon.h",
 		MAME_DIR .. "src/devices/bus/sbus/bwtwo.cpp",
 		MAME_DIR .. "src/devices/bus/sbus/bwtwo.h",
 		MAME_DIR .. "src/devices/bus/sbus/cgsix.cpp",

src/devices/bus/sbus/artecon.cpp

@@ -0,0 +1,72 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/***************************************************************************
+
+    Artecon SB-300P 3-serial 1-parallel SBus card skeleton
+
+	The Artecon SB series of SBus cards uses up to 4 Cirrus Logic
+	CL-CD1400 Four-Channel Serial/Parallel Communications Engines.
+
+	Each chip supports up to four full-duplex serial channels, or three
+	full-duplex serial channels and one high-speed bidirectional parallel
+	channel.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "artecon.h"
+
+DEFINE_DEVICE_TYPE(SBUS_SB300P, sbus_artecon_device, "sb300p", "Artecon SB-300P 3S/1P controller")
+
+void sbus_artecon_device::mem_map(address_map &map)
+{
+	map(0x00000000, 0x01ffffff).rw(FUNC(sbus_artecon_device::unknown_r), FUNC(sbus_artecon_device::unknown_w));
+	map(0x00000000, 0x00003fff).r(FUNC(sbus_artecon_device::rom_r));
+}
+
+ROM_START( sbus_artecon )
+	ROM_REGION32_BE(0x8000, "prom", ROMREGION_ERASEFF)
+	ROM_LOAD( "artecon_sbus_port.bin", 0x0000, 0x4000, CRC(bced6981) SHA1(1c6006fb8cb555eff0cb7c2783c776d05c6797f8))
+ROM_END
+
+const tiny_rom_entry *sbus_artecon_device::device_rom_region() const
+{
+	return ROM_NAME( sbus_artecon );
+}
+
+void sbus_artecon_device::device_add_mconfig(machine_config &config)
+{
+}
+
+
+sbus_artecon_device::sbus_artecon_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, SBUS_SB300P, tag, owner, clock)
+	, device_sbus_card_interface(mconfig, *this)
+	, m_rom(*this, "prom")
+{
+}
+
+void sbus_artecon_device::device_start()
+{
+}
+
+void sbus_artecon_device::install_device()
+{
+	m_sbus->install_device(m_base, m_base + 0x1ffffff, *this, &sbus_artecon_device::mem_map);
+}
+
+READ32_MEMBER(sbus_artecon_device::unknown_r)
+{
+	logerror("%s: unknown_r: %08x & %08x\n", machine().describe_context(), offset << 2, mem_mask);
+	return 0;
+}
+
+WRITE32_MEMBER(sbus_artecon_device::unknown_w)
+{
+	logerror("%s: unknown_w: %08x = %08x & %08x\n", machine().describe_context(), offset << 2, data, mem_mask);
+}
+
+READ32_MEMBER(sbus_artecon_device::rom_r)
+{
+	return ((uint32_t*)m_rom->base())[offset];
+}

src/devices/bus/sbus/artecon.h

@@ -0,0 +1,45 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/***************************************************************************
+
+    Artecon SB-300P 3-serial 1-parallel SBus card skeleton
+
+***************************************************************************/
+
+#ifndef MAME_BUS_SBUS_ARTECON_H
+#define MAME_BUS_SBUS_ARTECON_H
+
+#pragma once
+
+#include "sbus.h"
+
+
+class sbus_artecon_device : public device_t, public device_sbus_card_interface
+{
+public:
+	// construction/destruction
+	sbus_artecon_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;
+};
+
+
+DECLARE_DEVICE_TYPE(SBUS_SB300P, sbus_artecon_device)
+
+#endif // MAME_BUS_SBUS_ARTECON_H

src/devices/bus/sbus/sbus.cpp

@@ -17,6 +17,7 @@
 #include "sunpc.h"
 
 // Peripheral boards
+#include "artecon.h"
 #include "hme.h"
 
 #include "sbus.h"
@@ -29,6 +30,7 @@ void sbus_cards(device_slot_interface &device)
 	device.option_add("turbogxp", SBUS_TURBOGXP); /* 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 */
+	device.option_add("sb300p",   SBUS_SB300P);   /* Artecon CB300P 3-serial/4-parallel board */
 }
 
 DEFINE_DEVICE_TYPE(SBUS_SLOT, sbus_slot_device, "sbus_slot", "Sun SBus Slot")

src/devices/cpu/sparc/sparc.h

@@ -11,7 +11,7 @@
 
 #include "sparcdasm.h"
 
-#define SPARCV8         (0)
+#define SPARCV8         (1)
 #define LOG_FCODES      (0)
 
 #if LOG_FCODES