diff --git a/src/mame/layout/microvision.lay b/src/mame/layout/microvision.lay
index fa72aa8e6f1..c3122cbb536 100644
--- a/src/mame/layout/microvision.lay
+++ b/src/mame/layout/microvision.lay
@@ -18,6 +18,18 @@ license:CC0
 		</simplecounter>
 	</element>
 
+	<element name="bar" defstate="0">
+		<rect>
+			<bounds x="0" y="0" width="1" height="1" />
+			<color red="0.85" green="0.85" blue="0.85" />
+		</rect>
+		<rect>
+			<bounds state="0" x="0" y="0" width="0" height="1" />
+			<bounds state="255" x="0" y="0" width="1" height="1" />
+			<color red="0.9" green="0.9" blue="0.9" />
+		</rect>
+	</element>
+
 
 <!-- build screen -->
 
@@ -27,21 +39,25 @@ license:CC0
 		<element ref="lcdw"><bounds x="0" y="0" width="18" height="18" /></element>
 		<screen index="0"><bounds x="1" y="1" width="16" height="16" /></screen>
 
-		<!-- draw the grid -->
-		<repeat count="17">
-			<param name="i" start="0.95" increment="1" />
-			<element ref="lcdw"><bounds x="~i~" y="0.5" width="0.1" height="17" /></element>
-			<element ref="lcdw"><bounds x="0.5" y="~i~" width="17" height="0.1" /></element>
-		</repeat>
+		<collection name="Screen Mesh">
+			<!-- draw the grid -->
+			<repeat count="17">
+				<param name="i" start="0.95" increment="1" />
+				<element ref="lcdw"><bounds x="~i~" y="0.5" width="0.1" height="17" /></element>
+				<element ref="lcdw"><bounds x="0.5" y="~i~" width="17" height="0.1" /></element>
+			</repeat>
+		</collection>
 
 		<element ref="lcdm" blend="multiply"><bounds x="0" y="0" width="18" height="18" /></element>
 		<element ref="lcda" blend="add"><bounds x="0" y="0" width="18" height="18" /></element>
 
 		<collection name="Paddle Position">
 			<!-- show live paddle position -->
-			<element ref="text_p1" blend="add"><bounds x="10.75" y="0.1" width="5" height="0.75" /></element>
-			<element ref="nothing" blend="add" inputtag="PADDLE" inputmask="0x00" inputraw="yes"><bounds x="15.95" y="0.1" width="2" height="0.75" /></element> <!-- block clickable input -->
-			<element ref="text_p2" blend="add" inputtag="PADDLE" inputmask="0xff" inputraw="yes"><bounds x="15.95" y="0.1" width="2" height="0.75" /></element>
+			<element ref="nothing" inputtag="PADDLE" inputmask="0x00" inputraw="yes"><bounds x="12" y="0" width="6" height="1" /></element> <!-- block clickable input -->
+			<element ref="bar" blend="multiply" inputtag="PADDLE" inputmask="0xff" inputraw="yes"><bounds x="12.75" y="0.12" width="4.2" height="0.75" /></element>
+
+			<element ref="text_p1" blend="add"><bounds x="10.5" y="0.1" width="5" height="0.75" /></element>
+			<element ref="text_p2" blend="add" inputtag="PADDLE" inputmask="0xff" inputraw="yes"><bounds x="15.7" y="0.1" width="2" height="0.75" /></element>
 		</collection>
 	</view>
 
diff --git a/src/mame/yamaha/ymvl1.cpp b/src/mame/yamaha/ymvl1.cpp
index 46b0a72baab..66b504498d2 100644
--- a/src/mame/yamaha/ymvl1.cpp
+++ b/src/mame/yamaha/ymvl1.cpp
@@ -1,7 +1,7 @@
 // license:BSD-3-Clause
 // copyright-holders:Olivier Galibert
 
-// Yamaha VL-1 synthesizer
+// Yamaha VL1 synthesizer
 
 // The VL1-m rackable version exists but we don't have the firmware
 
@@ -36,6 +36,8 @@
 #include "machine/tmp68301.h"
 #include "video/t6963c.h"
 
+namespace {
+
 class vl1_state : public driver_device
 {
 public:
@@ -107,5 +109,6 @@ ROM_START(vl1)
 	ROM_LOAD16_BYTE("vl1v2l.ic67", 1, 0x80000, CRC(382d24e9) SHA1(4e6637c8e1876c5931f944f8a188d58cdb1eb47f))
 ROM_END
 
-SYST(1981, vl1, 0, 0, vl1, vl1, vl1_state, empty_init, "Yamaha", "VL1", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)
+} // anonymous namespace
 
+SYST(1993, vl1, 0, 0, vl1, vl1, vl1_state, empty_init, "Yamaha", "VL1", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)