From 2f642fcc60a9fd9d5707ec1e8a5902ce07ede5d1 Mon Sep 17 00:00:00 2001
From: Vas Crabb <vas@vastheman.com>
Date: Mon, 26 Feb 2024 13:30:38 +1100
Subject: [PATCH] yamaha/ymmu15.cpp: Marked Yamaha MU15 as not working.

---
 src/mame/yamaha/ymmu15.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mame/yamaha/ymmu15.cpp b/src/mame/yamaha/ymmu15.cpp
index 8b3deb8389e..89ea335cd72 100644
--- a/src/mame/yamaha/ymmu15.cpp
+++ b/src/mame/yamaha/ymmu15.cpp
@@ -230,4 +230,4 @@ ROM_END
 } // anonymous namespace
 
 
-CONS( 1998, mu15, 0, 0, mu15,  mu15, mu15_state, empty_init, "Yamaha", "MU15", 0 )
+CONS( 1998, mu15, 0, 0, mu15,  mu15, mu15_state, empty_init, "Yamaha", "MU15", MACHINE_NOT_WORKING )