From 6bcb9f52b1577b80280f343ef6f532c1967079ce Mon Sep 17 00:00:00 2001
From: hap <happppp@users.noreply.github.com>
Date: Sun, 14 Apr 2024 17:33:24 +0200
Subject: [PATCH] shifter overlay: add opaque shifter option

---
 src/mame/layout/280zzzap.lay   |  24 ++++++-
 src/mame/layout/buckrog.lay    |   9 ++-
 src/mame/layout/buggybjr.lay   |  24 ++++++-
 src/mame/layout/buggyboy.lay   | 124 +++++++++++++++++++++++++++++++--
 src/mame/layout/buggychl.lay   |  24 ++++++-
 src/mame/layout/cbombers.lay   |  24 ++++++-
 src/mame/layout/changela.lay   |  24 ++++++-
 src/mame/layout/chasehq.lay    |  24 ++++++-
 src/mame/layout/chqflag.lay    |  24 ++++++-
 src/mame/layout/cischeat.lay   |  24 ++++++-
 src/mame/layout/contcirc.lay   |  24 ++++++-
 src/mame/layout/dblaxle.lay    |  24 ++++++-
 src/mame/layout/destroyr.lay   |  24 ++++++-
 src/mame/layout/enforceja.lay  |  24 ++++++-
 src/mame/layout/f1gpstar.lay   |  24 ++++++-
 src/mame/layout/f1superb.lay   |  24 ++++++-
 src/mame/layout/finalapr.lay   |  24 ++++++-
 src/mame/layout/finallap.lay   |  24 ++++++-
 src/mame/layout/gorf.lay       |   7 +-
 src/mame/layout/grchamp.lay    |  24 ++++++-
 src/mame/layout/konamigt.lay   |  24 ++++++-
 src/mame/layout/lagunar.lay    |  24 ++++++-
 src/mame/layout/outrun.lay     |  24 ++++++-
 src/mame/layout/overdriv.lay   |  24 ++++++-
 src/mame/layout/pdrift.lay     |  24 ++++++-
 src/mame/layout/polepos.lay    |  24 ++++++-
 src/mame/layout/radr.lay       |  24 ++++++-
 src/mame/layout/roundup5.lay   |  24 ++++++-
 src/mame/layout/spdheat.lay    |  92 +++++++++++++++++++++++-
 src/mame/layout/speedfrk.lay   |  24 ++++++-
 src/mame/layout/speedrs.lay    |  24 ++++++-
 src/mame/layout/speedup.lay    |  24 ++++++-
 src/mame/layout/spyhunt.lay    |  34 ++++++++-
 src/mame/layout/spyhunttec.lay |  34 ++++++++-
 src/mame/layout/sspeedr.lay    |  24 ++++++-
 src/mame/layout/stocker.lay    |  24 ++++++-
 src/mame/layout/superchs.lay   |  44 +++++++++++-
 src/mame/layout/topracer.lay   |  24 ++++++-
 src/mame/layout/topspeed.lay   |  24 ++++++-
 src/mame/layout/turbo.lay      |  36 +++++++++-
 src/mame/layout/turbotag.lay   |  24 ++++++-
 src/mame/layout/tx1.lay        | 124 +++++++++++++++++++++++++++++++--
 src/mame/layout/wecleman.lay   |  24 ++++++-
 43 files changed, 1185 insertions(+), 135 deletions(-)

diff --git a/src/mame/layout/280zzzap.lay b/src/mame/layout/280zzzap.lay
index 9694ec13260..364ff89c09c 100644
--- a/src/mame/layout/280zzzap.lay
+++ b/src/mame/layout/280zzzap.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="overlay">
 		<rect>
@@ -85,6 +83,11 @@ license:CC0-1.0
 				<bounds x="606" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x10">
+					<bounds x="606" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -105,6 +108,11 @@ license:CC0-1.0
 				<bounds x="648" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x10">
+					<bounds x="648" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -125,6 +133,11 @@ license:CC0-1.0
 				<bounds x="2" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x10">
+					<bounds x="2" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -145,6 +158,11 @@ license:CC0-1.0
 				<bounds x="-40" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x10">
+					<bounds x="-40" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/buckrog.lay b/src/mame/layout/buckrog.lay
index bbbd5aefb2d..7cb1c844167 100644
--- a/src/mame/layout/buckrog.lay
+++ b/src/mame/layout/buckrog.lay
@@ -27,6 +27,8 @@ authors:hap
 		<text string="YOUR SCORE"><color red="0.9" green="0.9" blue="0.9" /></text>
 	</element>
 
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
+
 	<element name="digit" defstate="0">
 		<led7seg>
 			<color red="1.0" green="0.1" blue="0.15" />
@@ -117,11 +119,14 @@ authors:hap
 <!-- build screen -->
 
 	<view name="Score Panel">
-		<bounds left="-168" top="0" right="640" bottom="480" />
-
+		<element ref="nothing"><bounds x="-168" y="0" width="8" height="480" /></element>
 		<group ref="panel1"><bounds x="-160" y="45" width="152" height="238" /></group>
 		<group ref="panel2"><bounds x="-160" y="330" width="152" height="96.5" /></group>
 
+		<collection name="Centre Display" visible="no">
+			<element ref="nothing"><bounds x="640" y="0" width="168" height="480" /></element>
+		</collection>
+
 		<screen index="0">
 			<bounds left="0" top="0" right="640" bottom="480" />
 		</screen>
diff --git a/src/mame/layout/buggybjr.lay b/src/mame/layout/buggybjr.lay
index c4828e032d8..c775ca75bb8 100644
--- a/src/mame/layout/buggybjr.lay
+++ b/src/mame/layout/buggybjr.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:YM2149_IC19_A" inputmask="0x40">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:YM2149_IC19_A" inputmask="0x40">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:YM2149_IC19_A" inputmask="0x40">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:YM2149_IC19_A" inputmask="0x40">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/buggyboy.lay b/src/mame/layout/buggyboy.lay
index 3f2362d73e2..4004f737e56 100644
--- a/src/mame/layout/buggyboy.lay
+++ b/src/mame/layout/buggyboy.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -56,7 +54,7 @@ license:CC0-1.0
 		</disk>
 	</element>
 
-	<view name="Triple-Screen Shifter-R Overlay" showpointers="no">
+	<view name="Triple-Screen (Gapless) + Shifter-R Overlay" showpointers="no">
 		<screen index="0">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -74,8 +72,39 @@ license:CC0-1.0
 			<bounds x="1886" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="1886" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Triple-Screen Shifter-L Overlay" showpointers="no">
+
+	<view name="Triple-Screen (Gapless) + Shifter-R Off-Screen" showpointers="no">
+		<screen index="0">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+		<screen index="1">
+			<bounds x="640" y="0" width="640" height="480" />
+		</screen>
+		<screen index="2">
+			<bounds x="1280" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="1928" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+			<bounds x="1928" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="1928" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Triple-Screen (Gapless) + Shifter-L Overlay" showpointers="no">
 		<screen index="0">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -93,8 +122,39 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Single-Screen Shifter-R Overlay" showpointers="no">
+
+	<view name="Triple-Screen (Gapless) + Shifter-L Off-Screen" showpointers="no">
+		<screen index="0">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+		<screen index="1">
+			<bounds x="640" y="0" width="640" height="480" />
+		</screen>
+		<screen index="2">
+			<bounds x="1280" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="-40" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+			<bounds x="-40" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Single-Screen + Shifter-R Overlay" showpointers="no">
 		<screen index="1">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -106,8 +166,33 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Single-Screen Shifter-L Overlay" showpointers="no">
+
+	<view name="Single-Screen + Shifter-R Off-Screen" showpointers="no">
+		<screen index="1">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="648" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+			<bounds x="648" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Single-Screen + Shifter-L Overlay" showpointers="no">
 		<screen index="1">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -119,5 +204,30 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
+
+	<view name="Single-Screen + Shifter-L Off-Screen" showpointers="no">
+		<screen index="1">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="-40" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+			<bounds x="-40" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTA" inputmask="0x40">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
 </mamelayout>
diff --git a/src/mame/layout/buggychl.lay b/src/mame/layout/buggychl.lay
index 52bee73a891..cc8caad691a 100644
--- a/src/mame/layout/buggychl.lay
+++ b/src/mame/layout/buggychl.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x08">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x08">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x08">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x08">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/cbombers.lay b/src/mame/layout/cbombers.lay
index d0ad661da45..efa534d99ab 100644
--- a/src/mame/layout/cbombers.lay
+++ b/src/mame/layout/cbombers.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS0" inputmask="0x01">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS0" inputmask="0x01">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS0" inputmask="0x01">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS0" inputmask="0x01">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/changela.lay b/src/mame/layout/changela.lay
index 7eb7edd8183..a7deb2797cd 100644
--- a/src/mame/layout/changela.lay
+++ b/src/mame/layout/changela.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x01">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x01">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x01">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x01">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/chasehq.lay b/src/mame/layout/chasehq.lay
index c8c167da606..a89ca1de3e0 100644
--- a/src/mame/layout/chasehq.lay
+++ b/src/mame/layout/chasehq.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/chqflag.lay b/src/mame/layout/chqflag.lay
index 8c0f80e5b6d..f4f7fbad0ae 100644
--- a/src/mame/layout/chqflag.lay
+++ b/src/mame/layout/chqflag.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/cischeat.lay b/src/mame/layout/cischeat.lay
index 73f2d73d970..887581e9dee 100644
--- a/src/mame/layout/cischeat.lay
+++ b/src/mame/layout/cischeat.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/contcirc.lay b/src/mame/layout/contcirc.lay
index c2183a09d7b..52e4399faed 100644
--- a/src/mame/layout/contcirc.lay
+++ b/src/mame/layout/contcirc.lay
@@ -7,9 +7,7 @@ authors:hap
 
 <!-- define elements -->
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shutter" defstate="0">
 		<rect state="1"><color red="0" green="0" blue="0" /></rect>
@@ -77,6 +75,11 @@ authors:hap
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -89,6 +92,11 @@ authors:hap
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -101,6 +109,11 @@ authors:hap
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -113,6 +126,11 @@ authors:hap
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 
 	<!-- for the 3D Scope views, enable stereoscopic 3D DIP switch first (does not apply to Japanese version) -->
diff --git a/src/mame/layout/dblaxle.lay b/src/mame/layout/dblaxle.lay
index 641eb384b5e..4fe64fbb605 100644
--- a/src/mame/layout/dblaxle.lay
+++ b/src/mame/layout/dblaxle.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/destroyr.lay b/src/mame/layout/destroyr.lay
index 2188488bc57..42e6777f60c 100644
--- a/src/mame/layout/destroyr.lay
+++ b/src/mame/layout/destroyr.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/enforceja.lay b/src/mame/layout/enforceja.lay
index eb7acca1367..204419875be 100644
--- a/src/mame/layout/enforceja.lay
+++ b/src/mame/layout/enforceja.lay
@@ -7,9 +7,7 @@ authors:hap
 
 <!-- define elements -->
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shutter" defstate="0">
 		<rect state="1"><color red="0" green="0" blue="0" /></rect>
@@ -77,6 +75,11 @@ authors:hap
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -89,6 +92,11 @@ authors:hap
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -101,6 +109,11 @@ authors:hap
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -113,6 +126,11 @@ authors:hap
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x01">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 
 	<!-- for the 3D Scope views, enable stereoscopic 3D DIP switch first -->
diff --git a/src/mame/layout/f1gpstar.lay b/src/mame/layout/f1gpstar.lay
index 1de3aa65731..d10b41bd42e 100644
--- a/src/mame/layout/f1gpstar.lay
+++ b/src/mame/layout/f1gpstar.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x20">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x20">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN2" inputmask="0x20">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/f1superb.lay b/src/mame/layout/f1superb.lay
index 5140dc18979..6cc0a209356 100644
--- a/src/mame/layout/f1superb.lay
+++ b/src/mame/layout/f1superb.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/finalapr.lay b/src/mame/layout/finalapr.lay
index c8c167da606..a89ca1de3e0 100644
--- a/src/mame/layout/finalapr.lay
+++ b/src/mame/layout/finalapr.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/finallap.lay b/src/mame/layout/finallap.lay
index 887538820ac..9bf8e7dec8d 100644
--- a/src/mame/layout/finallap.lay
+++ b/src/mame/layout/finallap.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="MCUH" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="MCUH" inputmask="0x20">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="MCUH" inputmask="0x20">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="MCUH" inputmask="0x20">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/gorf.lay b/src/mame/layout/gorf.lay
index 0dec22b9c55..890dc48ae1e 100644
--- a/src/mame/layout/gorf.lay
+++ b/src/mame/layout/gorf.lay
@@ -57,7 +57,7 @@ authors:hap
 	</element>
 
 
-<!-- build screen -->
+<!-- side panel -->
 
 	<group name="lamps">
 		<element ref="white"><bounds x="0" y="-5" width="100" height="205" /></element>
@@ -123,8 +123,11 @@ authors:hap
 		<element name="lamp5" ref="lamp" blend="multiply"><bounds xc="75" yc="167" width="44" height="60" /></element>
 	</group>
 
+
+<!-- build screen -->
+
 	<view name="Lamps">
-		<collection name="Centre Display">
+		<collection name="Centre Display" visible="no">
 			<element ref="nothing"><bounds x="-96" y="0" width="492" height="400" /></element>
 		</collection>
 		<screen index="0"><bounds x="0" y="0" width="300" height="400" /></screen>
diff --git a/src/mame/layout/grchamp.lay b/src/mame/layout/grchamp.lay
index 990517ff097..d6a529afd8a 100644
--- a/src/mame/layout/grchamp.lay
+++ b/src/mame/layout/grchamp.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="TILT" inputmask="0x04">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="TILT" inputmask="0x04">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="TILT" inputmask="0x04">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="TILT" inputmask="0x04">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/konamigt.lay b/src/mame/layout/konamigt.lay
index c8c167da606..a89ca1de3e0 100644
--- a/src/mame/layout/konamigt.lay
+++ b/src/mame/layout/konamigt.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/lagunar.lay b/src/mame/layout/lagunar.lay
index a318fd5230c..4a66c8de70c 100644
--- a/src/mame/layout/lagunar.lay
+++ b/src/mame/layout/lagunar.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x10">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x10">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x10">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x10">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/outrun.lay b/src/mame/layout/outrun.lay
index 812224f2f39..bbc2fea8d34 100644
--- a/src/mame/layout/outrun.lay
+++ b/src/mame/layout/outrun.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="SERVICE" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="SERVICE" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="SERVICE" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="SERVICE" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/overdriv.lay b/src/mame/layout/overdriv.lay
index 3ebc6b600af..3abb9e83fac 100644
--- a/src/mame/layout/overdriv.lay
+++ b/src/mame/layout/overdriv.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="INPUTS" inputmask="0x01">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/pdrift.lay b/src/mame/layout/pdrift.lay
index 60f6e001693..e1f9e2c1c30 100644
--- a/src/mame/layout/pdrift.lay
+++ b/src/mame/layout/pdrift.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GENERAL" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GENERAL" inputmask="0x20">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GENERAL" inputmask="0x20">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GENERAL" inputmask="0x20">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/polepos.lay b/src/mame/layout/polepos.lay
index 673ce8b1ee6..7b218add678 100644
--- a/src/mame/layout/polepos.lay
+++ b/src/mame/layout/polepos.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/radr.lay b/src/mame/layout/radr.lay
index ad4626e7cc8..7ca606f8c13 100644
--- a/src/mame/layout/radr.lay
+++ b/src/mame/layout/radr.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="mainpcb:P1_A" inputmask="0x01">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="mainpcb:P1_A" inputmask="0x01">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="mainpcb:P1_A" inputmask="0x01">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="mainpcb:P1_A" inputmask="0x01">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/roundup5.lay b/src/mame/layout/roundup5.lay
index 87ce7c1869f..2a90f1e6607 100644
--- a/src/mame/layout/roundup5.lay
+++ b/src/mame/layout/roundup5.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x0008">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x0008">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x0008">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x0008">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/spdheat.lay b/src/mame/layout/spdheat.lay
index 75b086c4c21..b64dd15f36d 100644
--- a/src/mame/layout/spdheat.lay
+++ b/src/mame/layout/spdheat.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -78,6 +76,11 @@ license:CC0-1.0
 					<bounds x="3.7875" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="1P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0001" >
+						<bounds x="3.7875" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="2P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -87,6 +90,11 @@ license:CC0-1.0
 					<bounds x="8.0375" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="2P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0010">
+						<bounds x="8.0375" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="3P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -97,6 +105,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="3P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0001" >
+						<bounds x="0.0125" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="4P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -107,6 +121,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="4P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0010" >
+						<bounds x="4.2625" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 		</collection>
 	</view>
@@ -138,6 +158,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="1P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0001" >
+						<bounds x="4.2625" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="2P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -148,6 +174,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="2P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0010">
+						<bounds x="0.0125" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="3P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -157,6 +189,11 @@ license:CC0-1.0
 					<bounds x="8.0375" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="3P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0001" >
+						<bounds x="8.0375" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="4P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -166,6 +203,11 @@ license:CC0-1.0
 					<bounds x="3.7875" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="4P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0010" >
+						<bounds x="3.7875" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 		</collection>
 	</view>
@@ -192,6 +234,11 @@ license:CC0-1.0
 					<bounds x="-0.2125" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="1P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0001" >
+						<bounds x="-0.2125" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="2P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -201,6 +248,11 @@ license:CC0-1.0
 					<bounds x="8.2625" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="2P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0010">
+						<bounds x="8.2625" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="3P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -211,6 +263,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="3P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0001" >
+						<bounds x="-0.2125" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="4P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -221,6 +279,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="4P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0010" >
+						<bounds x="8.2625" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 		</collection>
 	</view>
@@ -252,6 +316,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="1P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0001" >
+						<bounds x="8.2625" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="2P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -262,6 +332,12 @@ license:CC0-1.0
 					<color alpha="0.6" />
 					<orientation rotate="180" />
 				</element>
+				<collection name="2P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN0" inputmask="0x0010">
+						<bounds x="-0.2125" y="0.0125" width="0.2" height="0.4" />
+						<orientation rotate="180" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="3P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -271,6 +347,11 @@ license:CC0-1.0
 					<bounds x="8.2625" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="3P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0001" >
+						<bounds x="8.2625" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 			<collection name="4P Shifter">
 				<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
@@ -280,6 +361,11 @@ license:CC0-1.0
 					<bounds x="-0.2125" y="5.8375" width="0.2" height="0.4" />
 					<color alpha="0.6" />
 				</element>
+				<collection name="4P Opaque Shifter" visible="no">
+					<element ref="shifter" inputtag="IN1" inputmask="0x0010" >
+						<bounds x="-0.2125" y="5.8375" width="0.2" height="0.4" />
+					</element>
+				</collection>
 			</collection>
 		</collection>
 	</view>
diff --git a/src/mame/layout/speedfrk.lay b/src/mame/layout/speedfrk.lay
index 25df04a7123..a1792051c86 100644
--- a/src/mame/layout/speedfrk.lay
+++ b/src/mame/layout/speedfrk.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -106,6 +104,11 @@ license:CC0-1.0
 			<bounds x="574" y="414" width="64" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x0f" inputraw="yes">
+				<bounds x="574" y="414" width="64" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -118,6 +121,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="64" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x0f" inputraw="yes">
+				<bounds x="648" y="414" width="64" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -130,6 +138,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="64" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x0f" inputraw="yes">
+				<bounds x="2" y="414" width="64" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -142,5 +155,10 @@ license:CC0-1.0
 			<bounds x="-72" y="414" width="64" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="GEAR" inputmask="0x0f" inputraw="yes">
+				<bounds x="-72" y="414" width="64" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/speedrs.lay b/src/mame/layout/speedrs.lay
index cc686b0d1f6..3eff7db5cb5 100644
--- a/src/mame/layout/speedrs.lay
+++ b/src/mame/layout/speedrs.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -73,6 +71,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN.2" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<bounds left="0" right="682" top="0" bottom="480" />
@@ -89,6 +92,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN.2" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<bounds left="0" right="640" top="0" bottom="480" />
@@ -105,6 +113,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN.2" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<bounds left="-42" right="640" top="0" bottom="480" />
@@ -121,5 +134,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN.2" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/speedup.lay b/src/mame/layout/speedup.lay
index 378e893b113..7c93db59b86 100644
--- a/src/mame/layout/speedup.lay
+++ b/src/mame/layout/speedup.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x40">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x40">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x40">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x40">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/spyhunt.lay b/src/mame/layout/spyhunt.lay
index 9db7adc068c..79950231498 100644
--- a/src/mame/layout/spyhunt.lay
+++ b/src/mame/layout/spyhunt.lay
@@ -7,9 +7,7 @@ authors:hap
 
 <!-- define elements -->
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="lamp_miss" defstate="0">
 		<text string="MISSILES" state="0">
@@ -267,6 +265,11 @@ authors:hap
 				<bounds x="446" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="446" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -289,6 +292,11 @@ authors:hap
 				<bounds x="488" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="488" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -311,6 +319,11 @@ authors:hap
 				<bounds x="2" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="2" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -333,6 +346,11 @@ authors:hap
 				<bounds x="-40" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="-40" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -355,6 +373,11 @@ authors:hap
 				<bounds x="488" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="488" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -377,6 +400,11 @@ authors:hap
 				<bounds x="-40" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+					<bounds x="-40" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/spyhunttec.lay b/src/mame/layout/spyhunttec.lay
index 9a127cdf42d..d66488047fb 100644
--- a/src/mame/layout/spyhunttec.lay
+++ b/src/mame/layout/spyhunttec.lay
@@ -7,9 +7,7 @@ authors:hap
 
 <!-- define elements -->
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="lamp_miss" defstate="0">
 		<text string="MISSILES" state="0">
@@ -267,6 +265,11 @@ authors:hap
 				<bounds x="446" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="446" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -289,6 +292,11 @@ authors:hap
 				<bounds x="488" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="488" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -311,6 +319,11 @@ authors:hap
 				<bounds x="2" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="2" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -333,6 +346,11 @@ authors:hap
 				<bounds x="-40" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="-40" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -355,6 +373,11 @@ authors:hap
 				<bounds x="488" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="488" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -377,6 +400,11 @@ authors:hap
 				<bounds x="-40" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x10">
+					<bounds x="-40" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/sspeedr.lay b/src/mame/layout/sspeedr.lay
index 0317cc7284f..03e2ba0a268 100644
--- a/src/mame/layout/sspeedr.lay
+++ b/src/mame/layout/sspeedr.lay
@@ -6,9 +6,7 @@ license:CC0-1.0
 
 <!-- define elements -->
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -202,6 +200,11 @@ license:CC0-1.0
 				<bounds x="256" y="326" width="24" height="48" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x04">
+					<bounds x="256" y="326" width="24" height="48" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -230,6 +233,11 @@ license:CC0-1.0
 				<bounds x="288" y="326" width="24" height="48" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x04">
+					<bounds x="288" y="326" width="24" height="48" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -258,6 +266,11 @@ license:CC0-1.0
 				<bounds x="2" y="326" width="24" height="48" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x04">
+					<bounds x="2" y="326" width="24" height="48" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -286,6 +299,11 @@ license:CC0-1.0
 				<bounds x="-30" y="326" width="24" height="48" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN2" inputmask="0x04">
+					<bounds x="-30" y="326" width="24" height="48" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/stocker.lay b/src/mame/layout/stocker.lay
index 6768c744c6e..7197a49ca42 100644
--- a/src/mame/layout/stocker.lay
+++ b/src/mame/layout/stocker.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x02">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/superchs.lay b/src/mame/layout/superchs.lay
index 3ab1d0d1407..8351f20da6d 100644
--- a/src/mame/layout/superchs.lay
+++ b/src/mame/layout/superchs.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -69,6 +67,11 @@ license:CC0-1.0
 				<bounds x="606" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="606" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Upright (4:3) + Shifter-R Off-Screen" showpointers="no">
@@ -83,6 +86,11 @@ license:CC0-1.0
 				<bounds x="648" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="648" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Upright (4:3) + Shifter-L Overlay" showpointers="no">
@@ -97,6 +105,11 @@ license:CC0-1.0
 				<bounds x="2" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="2" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Upright (4:3) + Shifter-L Off-Screen" showpointers="no">
@@ -111,6 +124,11 @@ license:CC0-1.0
 				<bounds x="-40" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="-40" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
@@ -129,6 +147,11 @@ license:CC0-1.0
 				<bounds x="819.333" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="819.333" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Deluxe (16:9) + Shifter-R Off-Screen" showpointers="no">
@@ -143,6 +166,11 @@ license:CC0-1.0
 				<bounds x="861.333" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="861.333" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Deluxe (16:9) + Shifter-L Overlay" showpointers="no">
@@ -157,6 +185,11 @@ license:CC0-1.0
 				<bounds x="2" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="2" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 	<view name="Deluxe (16:9) + Shifter-L Off-Screen" showpointers="no">
@@ -171,6 +204,11 @@ license:CC0-1.0
 				<bounds x="-40" y="414" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="SWITCHES" inputmask="0x20">
+					<bounds x="-40" y="414" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/topracer.lay b/src/mame/layout/topracer.lay
index 02c4a6e6f84..2e31b1279b9 100644
--- a/src/mame/layout/topracer.lay
+++ b/src/mame/layout/topracer.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/topspeed.lay b/src/mame/layout/topspeed.lay
index c8c167da606..a89ca1de3e0 100644
--- a/src/mame/layout/topspeed.lay
+++ b/src/mame/layout/topspeed.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN1" inputmask="0x10">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/turbo.lay b/src/mame/layout/turbo.lay
index 4fa7e21a133..e411b703ee5 100644
--- a/src/mame/layout/turbo.lay
+++ b/src/mame/layout/turbo.lay
@@ -30,9 +30,7 @@ authors:hap
 	<element name="text_rpm"><text string="RPM" align="1"><color red="0.9" green="0.9" blue="0.9" /></text></element>
 	<element name="text_speed"><text string="SPEED" align="1"><color red="0.9" green="0.9" blue="0.9" /></text></element>
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="digit" defstate="0">
 		<led7seg>
@@ -372,6 +370,9 @@ authors:hap
 	<view name="Side Panel + Shifter-R Overlay" showpointers="no">
 		<collection name="Side Panel">
 			<group ref="panel"><bounds x="-168" y="0" width="168" height="640" /></group>
+			<collection name="Centre Display" visible="no">
+				<element ref="nothing"><bounds x="480" y="0" width="168" height="640" /></element>
+			</collection>
 		</collection>
 
 		<screen index="0">
@@ -385,12 +386,20 @@ authors:hap
 				<bounds x="446" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x04">
+					<bounds x="446" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
 	<view name="Side Panel + Shifter-R Off-Screen" showpointers="no">
 		<collection name="Side Panel">
 			<group ref="panel"><bounds x="-168" y="0" width="168" height="640" /></group>
+			<collection name="Centre Display" visible="no">
+				<element ref="nothing"><bounds x="480" y="0" width="168" height="640" /></element>
+			</collection>
 		</collection>
 
 		<screen index="0">
@@ -404,12 +413,20 @@ authors:hap
 				<bounds x="488" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x04">
+					<bounds x="488" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
 	<view name="Side Panel + Shifter-L Overlay" showpointers="no">
 		<collection name="Side Panel">
 			<group ref="panel"><bounds x="-168" y="0" width="168" height="640" /></group>
+			<collection name="Centre Display" visible="no">
+				<element ref="nothing"><bounds x="480" y="0" width="168" height="640" /></element>
+			</collection>
 		</collection>
 
 		<screen index="0">
@@ -423,12 +440,20 @@ authors:hap
 				<bounds x="2" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x04">
+					<bounds x="2" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
 	<view name="Side Panel + Shifter-L Off-Screen" showpointers="no">
 		<collection name="Side Panel">
 			<group ref="panel"><bounds x="-168" y="0" width="168" height="640" /></group>
+			<collection name="Centre Display" visible="no">
+				<element ref="nothing"><bounds x="480" y="0" width="168" height="640" /></element>
+			</collection>
 		</collection>
 
 		<screen index="0">
@@ -442,6 +467,11 @@ authors:hap
 				<bounds x="-40" y="574" width="32" height="64" />
 				<color alpha="0.6" />
 			</element>
+			<collection name="Opaque Shifter" visible="no">
+				<element ref="shifter" inputtag="IN0" inputmask="0x04">
+					<bounds x="-40" y="574" width="32" height="64" />
+				</element>
+			</collection>
 		</collection>
 	</view>
 
diff --git a/src/mame/layout/turbotag.lay b/src/mame/layout/turbotag.lay
index 41e66a9650e..25579554fc3 100644
--- a/src/mame/layout/turbotag.lay
+++ b/src/mame/layout/turbotag.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="446" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+				<bounds x="446" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="488" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+				<bounds x="488" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+				<bounds x="2" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="574" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="ssio:IP0" inputmask="0x10">
+				<bounds x="-40" y="574" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>
diff --git a/src/mame/layout/tx1.lay b/src/mame/layout/tx1.lay
index 6ed46cf5c26..3f76015f06e 100644
--- a/src/mame/layout/tx1.lay
+++ b/src/mame/layout/tx1.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -56,7 +54,7 @@ license:CC0-1.0
 		</disk>
 	</element>
 
-	<view name="Triple-Screen Shifter-R Overlay" showpointers="no">
+	<view name="Triple-Screen (Gapless) + Shifter-R Overlay" showpointers="no">
 		<screen index="0">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -74,8 +72,39 @@ license:CC0-1.0
 			<bounds x="1886" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="1886" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Triple-Screen Shifter-L Overlay" showpointers="no">
+
+	<view name="Triple-Screen (Gapless) + Shifter-R Off-Screen" showpointers="no">
+		<screen index="0">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+		<screen index="1">
+			<bounds x="640" y="0" width="640" height="480" />
+		</screen>
+		<screen index="2">
+			<bounds x="1280" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="1928" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+			<bounds x="1928" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="1928" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Triple-Screen (Gapless) + Shifter-L Overlay" showpointers="no">
 		<screen index="0">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -93,8 +122,39 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Single-Screen Shifter-R Overlay" showpointers="no">
+
+	<view name="Triple-Screen (Gapless) + Shifter-L Off-Screen" showpointers="no">
+		<screen index="0">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+		<screen index="1">
+			<bounds x="640" y="0" width="640" height="480" />
+		</screen>
+		<screen index="2">
+			<bounds x="1280" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="-40" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+			<bounds x="-40" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Single-Screen + Shifter-R Overlay" showpointers="no">
 		<screen index="1">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -106,8 +166,33 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
-	<view name="Single-Screen Shifter-L Overlay" showpointers="no">
+
+	<view name="Single-Screen + Shifter-R Off-Screen" showpointers="no">
+		<screen index="1">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="648" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+			<bounds x="648" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
+	<view name="Single-Screen + Shifter-L Overlay" showpointers="no">
 		<screen index="1">
 			<bounds x="0" y="0" width="640" height="480" />
 		</screen>
@@ -119,5 +204,30 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
+
+	<view name="Single-Screen + Shifter-L Off-Screen" showpointers="no">
+		<screen index="1">
+			<bounds x="0" y="0" width="640" height="480" />
+		</screen>
+
+		<element ref="nothing" clickthrough="no"> <!-- block clickable input -->
+			<bounds x="-40" y="414" width="32" height="64" />
+		</element>
+		<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+			<bounds x="-40" y="414" width="32" height="64" />
+			<color alpha="0.6" />
+		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="soundbrd:PPI_PORTC" inputmask="0x08">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
+	</view>
+
 </mamelayout>
diff --git a/src/mame/layout/wecleman.lay b/src/mame/layout/wecleman.lay
index 61f841a6888..2500c3bca72 100644
--- a/src/mame/layout/wecleman.lay
+++ b/src/mame/layout/wecleman.lay
@@ -4,9 +4,7 @@ license:CC0-1.0
 -->
 <mamelayout version="2">
 
-	<element name="nothing" defstate="0">
-		<rect><color alpha="0" /></rect>
-	</element>
+	<element name="nothing"><rect><color alpha="0" /></rect></element>
 
 	<element name="shifter" defstate="0">
 		<rect>
@@ -67,6 +65,11 @@ license:CC0-1.0
 			<bounds x="606" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="606" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-R Off-Screen" showpointers="no">
 		<screen index="0">
@@ -79,6 +82,11 @@ license:CC0-1.0
 			<bounds x="648" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="648" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Overlay" showpointers="no">
 		<screen index="0">
@@ -91,6 +99,11 @@ license:CC0-1.0
 			<bounds x="2" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="2" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 	<view name="Shifter-L Off-Screen" showpointers="no">
 		<screen index="0">
@@ -103,5 +116,10 @@ license:CC0-1.0
 			<bounds x="-40" y="414" width="32" height="64" />
 			<color alpha="0.6" />
 		</element>
+		<collection name="Opaque Shifter" visible="no">
+			<element ref="shifter" inputtag="IN0" inputmask="0x20">
+				<bounds x="-40" y="414" width="32" height="64" />
+			</element>
+		</collection>
 	</view>
 </mamelayout>