From 2c9952aeef41cb03347c4bb29f3633aa2ebfdd87 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Sun, 9 Jul 2023 14:15:58 -0400
Subject: [PATCH] New machines marked as NOT_WORKING
 ---------------------------------- Mitsubishi Trium Eclipse [The Internet
 Archive]

---
 src/mame/mame.lst             |  3 ++
 src/mame/mitsubishi/trium.cpp | 72 +++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 src/mame/mitsubishi/trium.cpp

diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 84887d7abe8..0b453ae01b4 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -31861,6 +31861,9 @@ multi8                          //
 @source:mitsubishi/multi16.cpp
 multi16                         //
 
+@source:mitsubishi/trium.cpp
+triumec                         //
+
 @source:mizar/mzr8105.cpp
 mzr8105                         //
 
diff --git a/src/mame/mitsubishi/trium.cpp b/src/mame/mitsubishi/trium.cpp
new file mode 100644
index 00000000000..54babef4f01
--- /dev/null
+++ b/src/mame/mitsubishi/trium.cpp
@@ -0,0 +1,72 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/****************************************************************************
+
+    Skeleton driver for Mitsubishi Trium phone.
+
+    The SoC on the Trium Eclipse PCB has Philips and ARM logos, and is labeled:
+
+        VP40577A
+        Y03552.Y1
+        KS0150 A
+        VP40577A
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/arm7/arm7.h"
+
+
+namespace {
+
+class trium_state : public driver_device
+{
+public:
+	trium_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+	{
+	}
+
+	void trium(machine_config &config);
+
+private:
+	u16 one_r();
+
+	void mem_map(address_map &map);
+
+	required_device<cpu_device> m_maincpu;
+};
+
+u16 trium_state::one_r()
+{
+	return 1;
+}
+
+void trium_state::mem_map(address_map &map)
+{
+	map(0x00000000, 0x003fffff).rom().region("firmware", 0);
+	map(0x01000000, 0x0103ffff).ram();
+	map(0x03000000, 0x03007fff).ram();
+	map(0x04001158, 0x0400115b).ram();
+	map(0x04001698, 0x04001699).r(FUNC(trium_state::one_r));
+}
+
+static INPUT_PORTS_START(trium)
+INPUT_PORTS_END
+
+void trium_state::trium(machine_config &config)
+{
+	ARM7(config, m_maincpu, 50'000'000); // unknown type and clock
+	m_maincpu->set_addrmap(AS_PROGRAM, &trium_state::mem_map);
+}
+
+
+ROM_START(triumec)
+	ROM_REGION32_LE(0x400000, "firmware", 0)
+	ROM_LOAD("2eclipse_pl_path_l10_4raqa060.bin", 0x000000, 0x400000, CRC(886de4ae) SHA1(44e627f0d6aee3e066ec877dfd40c2bfd9bfeb79))
+ROM_END
+
+} // anonymous namespace
+
+SYST(2002, triumec, 0, 0, trium, trium, trium_state, empty_init, "Mitsubishi", "Trium Eclipse", MACHINE_IS_SKELETON)