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-rw-r--r--src/devices/bus/sbus/hme.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/devices/bus/sbus/hme.cpp b/src/devices/bus/sbus/hme.cpp
new file mode 100644
index 00000000000..49d6f4e3988
--- /dev/null
+++ b/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];
+}