diff --git a/src/mame/drivers/hh_tms1k.cpp b/src/mame/drivers/hh_tms1k.cpp
index 7cdaacee395..2fb8d005bda 100644
--- a/src/mame/drivers/hh_tms1k.cpp
+++ b/src/mame/drivers/hh_tms1k.cpp
@@ -101,6 +101,7 @@ on Joerg Woerner's datamath.org: http://www.datamath.org/IC_List.htm
  @MP1218   TMS1100   1980, Entex Basketball 2 (6010)
  @MP1219   TMS1100   1980, U.S. Games Super Sports-4
  @MP1221   TMS1100   1980, Entex Raise The Devil (6011)
+ *MP1228   TMS1100   1980, Entex Musical Marvin (6014)
  @MP1231   TMS1100   1984, Tandy 3 in 1 Sports Arena (model 60-2178)
  @MP1296   TMS1100   1982, Entex Black Knight Pinball (6081)
  @MP1311   TMS1100   1981, Bandai TC7: Air Traffic Control
diff --git a/src/mame/drivers/mephisto_modena.cpp b/src/mame/drivers/mephisto_modena.cpp
index c073b7bb31a..6d8aa72ba96 100644
--- a/src/mame/drivers/mephisto_modena.cpp
+++ b/src/mame/drivers/mephisto_modena.cpp
@@ -5,7 +5,7 @@
 
 Mephisto Modena
 
-The chess engine is by Frans Morsch, same one as Sphinx Dominator 2.05.
+The chess engine is by Frans Morsch, same one as CXG Sphinx Dominator 2.05.
 Hold Pawn + Knight buttons at boot for test mode.
 
 Hardware notes:
diff --git a/src/mame/layout/irrmaze.lay b/src/mame/layout/irrmaze.lay
index 6ce23deb312..adf8bacabad 100644
--- a/src/mame/layout/irrmaze.lay
+++ b/src/mame/layout/irrmaze.lay
@@ -13,8 +13,8 @@ copyright-holders:Vas Crabb
 	sit15           ???                 *0x10fe29 != 0
 	-->
 
-	<element name="white">
-		<rect><color red="1" green="1" blue="1" /></rect>
+	<element name="black">
+		<rect><color red="0" green="0" blue="0" /></rect>
 	</element>
 
 	<element name="marquee">
@@ -103,27 +103,20 @@ copyright-holders:Vas Crabb
 	</view>
 
 	<view name="Screen 0 Standard (320x224)">
-		<screen index="0">
-			<bounds left="0" top="0" right="4" bottom="3" />
-		</screen>
+		<screen index="0"><bounds left="0" top="0" right="4" bottom="3" /></screen>
 	</view>
 
 	<view name="Screen 0 Cropped (304x224)">
-		<element ref="white">
-			<bounds x="8" y="0" width="304" height="240" />
-		</element>
-		<screen index="0" blend="multiply">
-			<bounds x="0" y="0" width="320" height="240" />
-		</screen>
+		<bounds left="0" top="0" right="320" bottom="240" />
+		<screen index="0"><bounds x="0" y="0" width="320" height="240" /></screen>
+		<element ref="black"><bounds x="-1" y="-1" width="9" height="242" /></element>
+		<element ref="black"><bounds x="312" y="-1" width="9" height="242" /></element>
 	</view>
 
 	<view name="Screen 0 Stretched (304x224)">
 		<bounds left="8" top="0" right="312" bottom="228" />
-		<element ref="white">
-			<bounds x="8" y="0" width="304" height="228" />
-		</element>
-		<screen index="0" blend="multiply">
-			<bounds x="0" y="0" width="320" height="228" />
-		</screen>
+		<screen index="0"><bounds x="0" y="0" width="320" height="228" /></screen>
+		<element ref="black"><bounds x="-1" y="-1" width="9" height="230" /></element>
+		<element ref="black"><bounds x="312" y="-1" width="9" height="230" /></element>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/neogeo.lay b/src/mame/layout/neogeo.lay
index e41674ad4ff..bf801af45ac 100644
--- a/src/mame/layout/neogeo.lay
+++ b/src/mame/layout/neogeo.lay
@@ -3,32 +3,23 @@
 license:CC0
 -->
 <mamelayout version="2">
-	<element name="white">
-		<rect><color red="1" green="1" blue="1" /></rect>
-	</element>
+	<element name="black"><rect><color red="0" green="0" blue="0" /></rect></element>
 
 	<view name="Screen 0 Standard (320x224)">
-		<screen index="0">
-			<bounds left="0" top="0" right="4" bottom="3" />
-		</screen>
+		<screen index="0"><bounds left="0" top="0" right="4" bottom="3" /></screen>
 	</view>
 
 	<view name="Screen 0 Cropped (304x224)">
-		<element ref="white">
-			<bounds x="8" y="0" width="304" height="240" />
-		</element>
-		<screen index="0" blend="multiply">
-			<bounds x="0" y="0" width="320" height="240" />
-		</screen>
+		<bounds left="0" top="0" right="320" bottom="240" />
+		<screen index="0"><bounds x="0" y="0" width="320" height="240" /></screen>
+		<element ref="black"><bounds x="-1" y="-1" width="9" height="242" /></element>
+		<element ref="black"><bounds x="312" y="-1" width="9" height="242" /></element>
 	</view>
 
 	<view name="Screen 0 Stretched (304x224)">
 		<bounds left="8" top="0" right="312" bottom="228" />
-		<element ref="white">
-			<bounds x="8" y="0" width="304" height="228" />
-		</element>
-		<screen index="0" blend="multiply">
-			<bounds x="0" y="0" width="320" height="228" />
-		</screen>
+		<screen index="0"><bounds x="0" y="0" width="320" height="228" /></screen>
+		<element ref="black"><bounds x="-1" y="-1" width="9" height="230" /></element>
+		<element ref="black"><bounds x="312" y="-1" width="9" height="230" /></element>
 	</view>
 </mamelayout>