From abdb2d34da1f099f026f5e3df6a4b04cd497d328 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Mon, 16 Mar 2020 20:26:46 -0400
Subject: [PATCH] New machines marked as NOT_WORKING
 ---------------------------------- Kawai R-100 Digital Drum Machine [DBWBP]

---
 scripts/target/mame/mess.lua    |  1 +
 src/mame/drivers/kawai_r100.cpp | 64 +++++++++++++++++++++++++++++++++
 src/mame/mame.lst               |  3 ++
 src/mame/mess.flt               |  1 +
 4 files changed, 69 insertions(+)
 create mode 100644 src/mame/drivers/kawai_r100.cpp

diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index bd0a5be33e5..bcf23e26da8 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -2612,6 +2612,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/kawai_k1.cpp",
 	MAME_DIR .. "src/mame/drivers/kawai_k4.cpp",
 	MAME_DIR .. "src/mame/drivers/kawai_k5.cpp",
+	MAME_DIR .. "src/mame/drivers/kawai_r100.cpp",
 }
 
 createMESSProjects(_target, _subtarget, "kaypro")
diff --git a/src/mame/drivers/kawai_r100.cpp b/src/mame/drivers/kawai_r100.cpp
new file mode 100644
index 00000000000..6b960f4be30
--- /dev/null
+++ b/src/mame/drivers/kawai_r100.cpp
@@ -0,0 +1,64 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***************************************************************************
+
+    Skeleton driver for Kawai R-100 drum machine.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/m6502/m3745x.h"
+#include "machine/nvram.h"
+
+class kawai_r100_state : public driver_device
+{
+public:
+	kawai_r100_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+	{
+	}
+
+	void r100(machine_config &config);
+
+private:
+	void main_map(address_map &map);
+	//void data_map(address_map &map);
+
+	required_device<m740_device> m_maincpu;
+};
+
+
+void kawai_r100_state::main_map(address_map &map)
+{
+	map(0x0000, 0x1fff).ram().share("nvram1");
+	map(0x2000, 0x3fff).ram().share("nvram2");
+	map(0x4400, 0xffff).rom().region("program", 0x4400);
+}
+
+
+static INPUT_PORTS_START(r100)
+INPUT_PORTS_END
+
+void kawai_r100_state::r100(machine_config &config)
+{
+	M37450(config, m_maincpu, 16_MHz_XTAL / 2); // FIXME: M50734SP
+	m_maincpu->set_addrmap(AS_PROGRAM, &kawai_r100_state::main_map);
+	//m_maincpu->set_addrmap(AS_DATA, &kawai_r100_state::data_map);
+
+	NVRAM(config, "nvram1", nvram_device::DEFAULT_ALL_0); // MB8464-15LL-SK + battery	
+	NVRAM(config, "nvram2", nvram_device::DEFAULT_ALL_0); // MB8464-15LL-SK + battery	
+
+	//M60009_AGU_DGU(config, "pcm", 5_MHz_XTAL);
+}
+
+ROM_START(r100)
+	ROM_REGION(0x10000, "program", 0) // Revision B
+	ROM_LOAD("kawai_6p13b.u18", 0x00000, 0x08000, CRC(53d288a0) SHA1(25d5bcaf4b5146d13c9d75313d3110776dd4e237)) // D27C256AD-20
+	ROM_LOAD("kawai_6p14b.u16", 0x08000, 0x08000, CRC(777889bb) SHA1(30fb93afcc2e8738bcc6f991081f269953e49b15)) // D27C256AD-20
+
+	ROM_REGION(0x80000, "pcm", 0)
+	ROM_LOAD("kawai_mn234001kaa.u20", 0x00000, 0x80000, CRC(aaf1805e) SHA1(5894b4cb03e17a5aa8c2b0c9b1b3d9285009a1c3))
+ROM_END
+
+SYST(1987, r100, 0, 0, r100, r100, kawai_r100_state, empty_init, "Kawai Musical Instrument Manufacturing", "R-100 Digital Drum Machine", MACHINE_IS_SKELETON)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 07c03b5f388..46d594dcec6 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -18494,6 +18494,9 @@ k4r                             //
 k5                              //
 k5m                             //
 
+@source:kawai_r100.cpp
+r100                            //
+
 @source:kaypro.cpp
 kaypro1                         // Kaypro 1
 kaypro10                        // Kaypro 10/83
diff --git a/src/mame/mess.flt b/src/mame/mess.flt
index a947716bd34..b95bd7ca9b2 100644
--- a/src/mame/mess.flt
+++ b/src/mame/mess.flt
@@ -439,6 +439,7 @@ k8915.cpp
 kawai_k1.cpp
 kawai_k4.cpp
 kawai_k5.cpp
+kawai_r100.cpp
 kaypro.cpp
 kc.cpp
 kdt6.cpp