From 1899788b9725aff68411b6cbbdacc146ac89d2e6 Mon Sep 17 00:00:00 2001
From: David Haywood <mamehaze@users.noreply.github.com>
Date: Tue, 27 Oct 2015 12:31:19 +0000
Subject: [PATCH] a 100% skeleton 'Sega Sawatte' driver, so that the softlist
 isn't orphaned and -romident can identify items in it etc. we don't know the
 CPU or anything else, what is known is in the driver.

---
 scripts/target/mame/mess.lua    |  1 +
 src/mame/drivers/sega_sawatte.c | 54 +++++++++++++++++++++++++++++++++
 src/mame/mess.lst               |  1 +
 3 files changed, 56 insertions(+)
 create mode 100644 src/mame/drivers/sega_sawatte.c

diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index a055b0fcab7..61872202e6e 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -2137,6 +2137,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/megadriv.c",
 	MAME_DIR .. "src/mame/drivers/saturn.c",
 	MAME_DIR .. "src/mame/drivers/segapico.c",
+	MAME_DIR .. "src/mame/drivers/sega_sawatte.c",
 	MAME_DIR .. "src/mame/drivers/segapm.c",
 	MAME_DIR .. "src/mame/drivers/sg1000.c",
 	MAME_DIR .. "src/mame/drivers/sms.c",
diff --git a/src/mame/drivers/sega_sawatte.c b/src/mame/drivers/sega_sawatte.c
new file mode 100644
index 00000000000..a483910c724
--- /dev/null
+++ b/src/mame/drivers/sega_sawatte.c
@@ -0,0 +1,54 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+/* Sega Sawatte / S-Pico
+
+a sound-only Pico type system (one of the boards even says S-PICO)
+
+CPU is unknown (I can't see one?!) cartridge dumps should be good, but not confirmed, might be data only for an MCU?
+driver does nothing except allow the softlist to be connected to the -romident commands etc.
+
+
+images supplied by Team Europe
+
+http://mamedev.emulab.it/haze/reference/sawatte/cartridge_pcb_front.jpg
+http://mamedev.emulab.it/haze/reference/sawatte/cartridge_pcb_back.jpg
+
+http://mamedev.emulab.it/haze/reference/sawatte/PCB_Front.jpg
+http://mamedev.emulab.it/haze/reference/sawatte/PCB_Back.jpg
+
+http://mamedev.emulab.it/haze/reference/sawatte/Console_Front.JPG
+http://mamedev.emulab.it/haze/reference/sawatte/Console_Back.JPG
+
+http://mamedev.emulab.it/haze/reference/sawatte/cartridge_example.jpg
+
+*/
+
+#include "emu.h"
+
+
+
+class sawatte_state : public driver_device
+{
+public:
+	sawatte_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+	{ }
+
+protected:
+};
+
+
+static INPUT_PORTS_START( sawatte )
+INPUT_PORTS_END
+
+
+static MACHINE_CONFIG_START( sawatte, sawatte_state )
+	MCFG_SOFTWARE_LIST_ADD("cart_list", "sawatte")
+MACHINE_CONFIG_END
+
+ROM_START( sawatte )
+ROM_END
+
+
+GAME( 1996?, sawatte,    0,       sawatte,  sawatte, driver_device,  0,  ROT0,  "Sega",    "Sawatte",          MACHINE_IS_SKELETON )
diff --git a/src/mame/mess.lst b/src/mame/mess.lst
index 307a258de57..5d4cafa3c01 100644
--- a/src/mame/mess.lst
+++ b/src/mame/mess.lst
@@ -81,6 +81,7 @@ pico      // 1994 Sega Pico (Europe)
 picou    // 1994 Sega Pico (USA)
 picoj    // 1993 Sega Pico (Japan)
 copera  // 1993 Sega / Yamaha
+sawatte	//
 segacd  // 1992 Sega Sega CD (USA)
 megacd  // 1993 Sega Mega-CD (Europe)
 megacda // 1993 Sega Mega-CD (Asia)