diff --git a/src/mame/fidelity/csc.cpp b/src/mame/fidelity/csc.cpp
index 4f9018d5dc7..c2fd0f2fd1b 100644
--- a/src/mame/fidelity/csc.cpp
+++ b/src/mame/fidelity/csc.cpp
@@ -148,7 +148,7 @@ LED display:
 -----
 88:88
 
-The LED display is four 7 segment digits.  normal ABCDEFG lettering is used for segments.
+The LED display is four 7 segment digits. Normal ABCDEFG lettering is used for segments.
 
 The upper dot is connected to digit 3 common
 The lower dot is connected to digit 4 common
diff --git a/src/mame/handheld/hh_cop400.cpp b/src/mame/handheld/hh_cop400.cpp
index 498cf2f05b7..4e69bb7633d 100644
--- a/src/mame/handheld/hh_cop400.cpp
+++ b/src/mame/handheld/hh_cop400.cpp
@@ -1673,15 +1673,15 @@ u8 plus1_state::read_l()
 static INPUT_PORTS_START( plus1 )
 	PORT_START("IN.0") // port G
 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
-	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Green Sensor Position")
-	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Red Sensor Position")
+	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Sensor Position Green")
+	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Sensor Position Red")
 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
 
 	PORT_START("IN.1") // port L
-	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Blue Sensor Position")
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Sensor Position Blue")
 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
-	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Yellow Sensor Position")
+	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Sensor Position Yellow")
 	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
 INPUT_PORTS_END
 
diff --git a/src/mame/layout/mchess.lay b/src/mame/layout/mchess.lay
index e74999f9626..031da14ea77 100644
--- a/src/mame/layout/mchess.lay
+++ b/src/mame/layout/mchess.lay
@@ -17,7 +17,7 @@ license:CC0-1.0
 
 	<element name="redd">
 		<rect><color red="0.5" green="0.1" blue="0.15" /></rect>
-		<text string="&#x2206;"><color red="0.4" green="0.08" blue="0.1" /></text>
+		<text string="Δ"><color red="0.4" green="0.08" blue="0.1" /></text>
 	</element>
 
 	<element name="hl" defstate="0">
diff --git a/src/mame/layout/novag_scorpio68k.lay b/src/mame/layout/novag_scorpio68k.lay
index 719ed6eb7ab..e13c21bf13d 100644
--- a/src/mame/layout/novag_scorpio68k.lay
+++ b/src/mame/layout/novag_scorpio68k.lay
@@ -64,17 +64,17 @@ license:CC0-1.0
 	<element name="text_l8b"><text string=" "><color red="0.51" green="0.5" blue="0.49" /></text></element>
 
 	<element name="text_m1a"><text string="Player/Player"><color red="0.51" green="0.5" blue="0.49" /></text></element>
-	<element name="text_m1b"><text string="Gambit Book"><color red="0.51" green="0.5" blue="0.49" /></text></element>
+	<element name="text_m1b"><text string="Gambit Book" align="1"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m2a"><text string="Solve Mate"><color red="0.51" green="0.5" blue="0.49" /></text></element>
-	<element name="text_m2b"><text string="Infinite"><color red="0.51" green="0.5" blue="0.49" /></text></element>
+	<element name="text_m2b"><text string="Infinite" align="1"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m3a"><text string="Sound"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m3b"><text string="Info"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m4a"><text string="Best Move/Random"><color red="0.51" green="0.5" blue="0.49" /></text></element>
-	<element name="text_m4b"><text string="Review"><color red="0.51" green="0.5" blue="0.49" /></text></element>
+	<element name="text_m4b"><text string="Review" align="1"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m5a"><text string="Pro-op"><color red="0.51" green="0.5" blue="0.49" /></text></element>
-	<element name="text_m5b"><text string="Restore Game"><color red="0.51" green="0.5" blue="0.49" /></text></element>
+	<element name="text_m5b"><text string="Restore Game" align="1"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m6a"><text string="Priority"><color red="0.51" green="0.5" blue="0.49" /></text></element>
-	<element name="text_m6b"><text string="Tourn. Book"><color red="0.51" green="0.5" blue="0.49" /></text></element>
+	<element name="text_m6b"><text string="Tourn. Book" align="1"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m7a"><text string="Flip Display"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m7b"><text string="Time Control"><color red="0.51" green="0.5" blue="0.49" /></text></element>
 	<element name="text_m8a"><text string="Take Back"><color red="0.51" green="0.5" blue="0.49" /></text></element>
@@ -508,7 +508,7 @@ license:CC0-1.0
 		<element ref="text_l2a"><bounds x="82" y="20.06" width="14" height="1.4" /></element>
 		<element ref="text_l2b"><bounds x="82" y="25.91" width="14" height="1.4" /></element>
 		<element ref="text_l3a"><bounds x="82" y="27.78" width="14" height="1.4" /></element>
-		<element ref="text_l3b"><bounds x="82" y="33.63" width="14" height="1.4" /></element>
+		<element ref="text_l3b"><bounds x="82.2" y="33.63" width="14" height="1.4" /></element>
 		<element ref="text_l4a"><bounds x="82" y="35.49" width="14" height="1.4" /></element>
 		<element ref="text_l4b"><bounds x="82" y="41.34" width="14" height="1.4" /></element>
 		<element ref="text_l5a"><bounds x="82" y="43.21" width="14" height="1.4" /></element>
@@ -521,17 +521,17 @@ license:CC0-1.0
 		<element ref="text_l8b"><bounds x="82" y="72.20" width="14" height="1.4" /></element>
 
 		<element ref="text_m1a"><bounds x="91.63" y="12.35" width="14" height="1.4" /></element>
-		<element ref="text_m1b"><bounds x="93.63" y="18.20" width="14" height="1.4" /></element>
+		<element ref="text_m1b"><bounds x="97.3" y="18.20" width="14" height="1.4" /></element>
 		<element ref="text_m2a"><bounds x="91.63" y="20.06" width="14" height="1.4" /></element>
-		<element ref="text_m2b"><bounds x="92.63" y="25.91" width="14" height="1.4" /></element>
+		<element ref="text_m2b"><bounds x="97.3" y="25.91" width="14" height="1.4" /></element>
 		<element ref="text_m3a"><bounds x="91.63" y="27.78" width="14" height="1.4" /></element>
 		<element ref="text_m3b"><bounds x="91.63" y="33.63" width="14" height="1.4" /></element>
 		<element ref="text_m4a"><bounds x="91.63" y="35.49" width="14" height="1.4" /></element>
-		<element ref="text_m4b"><bounds x="92.63" y="41.34" width="14" height="1.4" /></element>
+		<element ref="text_m4b"><bounds x="97.3" y="41.34" width="14" height="1.4" /></element>
 		<element ref="text_m5a"><bounds x="91.63" y="43.21" width="14" height="1.4" /></element>
-		<element ref="text_m5b"><bounds x="94.13" y="49.06" width="14" height="1.4" /></element>
+		<element ref="text_m5b"><bounds x="97.3" y="49.06" width="14" height="1.4" /></element>
 		<element ref="text_m6a"><bounds x="91.63" y="50.92" width="14" height="1.4" /></element>
-		<element ref="text_m6b"><bounds x="93.63" y="56.77" width="14" height="1.4" /></element>
+		<element ref="text_m6b"><bounds x="97.3" y="56.77" width="14" height="1.4" /></element>
 		<element ref="text_m7a"><bounds x="91.63" y="58.64" width="14" height="1.4" /></element>
 		<element ref="text_m7b"><bounds x="91.63" y="64.49" width="14" height="1.4" /></element>
 		<element ref="text_m8a"><bounds x="91.63" y="66.35" width="14" height="1.4" /></element>
@@ -540,7 +540,7 @@ license:CC0-1.0
 		<element ref="text_r1a"><bounds x="101.25" y="12.35" width="14" height="1.4" /></element>
 		<element ref="text_r1b"><bounds x="101.25" y="18.20" width="14" height="1.4" /></element>
 		<element ref="text_r2a"><bounds x="101.25" y="20.06" width="14" height="1.4" /></element>
-		<element ref="text_r2b"><bounds x="101.25" y="25.91" width="14" height="1.4" /></element>
+		<element ref="text_r2b"><bounds x="101.35" y="25.91" width="14" height="1.4" /></element>
 		<element ref="text_r3a"><bounds x="101.25" y="27.78" width="14" height="1.4" /></element>
 		<element ref="text_r3b"><bounds x="101.25" y="33.63" width="14" height="1.4" /></element>
 		<element ref="text_r4a"><bounds x="101.25" y="35.49" width="14" height="1.4" /></element>
diff --git a/src/mame/layout/novag_snova.lay b/src/mame/layout/novag_snova.lay
index 372075b6825..cb3b2b5b04f 100644
--- a/src/mame/layout/novag_snova.lay
+++ b/src/mame/layout/novag_snova.lay
@@ -381,14 +381,14 @@ license:CC0-1.0
 
 		<repeat count="8">
 			<param name="x" start="9.75" increment="10" />
-			<element ref="cyan"><bounds x="~x~" y="9" width="0.5" height="10" /></element>
+			<element ref="cyan"><bounds x="~x~" y="9" width="0.5" height="11.3" /></element>
 		</repeat>
 
 		<repeat count="6">
 			<param name="i" start="6" increment="-1" />
-			<param name="x" start="13" increment="10" />
+			<param name="x" start="12.5" increment="10" />
 
-			<element ref="text_p~i~"><bounds x="~x~" y="12" width="4" height="4" /><color alpha="0.85" /></element>
+			<element ref="text_p~i~"><bounds x="~x~" y="12" width="5" height="5" /><color alpha="0.85" /></element>
 		</repeat>
 
 		<repeat count="8">
@@ -396,9 +396,9 @@ license:CC0-1.0
 			<param name="x" start="8" increment="10" />
 
 			<element ref="text_c0~i~"><bounds x="~x~" y="10" width="14" height="2.15" /></element>
-			<element ref="text_g0~i~"><bounds x="~x~" y="16" width="14" height="2.15" /></element>
-			<element ref="text_c1~i~"><bounds x="~x~" y="19.7" width="14" height="2.15" /></element>
-			<element ref="text_g1~i~"><bounds x="~x~" y="26.5" width="14" height="2.15" /></element>
+			<element ref="text_g0~i~"><bounds x="~x~" y="17" width="14" height="2.15" /></element>
+			<element ref="text_c1~i~"><bounds x="~x~" y="21.0" width="14" height="2.15" /></element>
+			<element ref="text_g1~i~"><bounds x="~x~" y="27.8" width="14" height="2.15" /></element>
 		</repeat>
 		<element ref="text_c06a"><bounds x="68" y="12" width="14" height="2.15" /></element>
 		<element ref="text_c07a"><bounds x="78" y="12" width="14" height="2.15" /></element>
@@ -407,24 +407,24 @@ license:CC0-1.0
 			<param name="x" start="10" increment="10" />
 			<param name="mask" start="0x80" rshift="1" />
 
-			<element ref="hl" inputtag="IN.0" inputmask="~mask~"><bounds x="~x~" y="9" width="10" height="10" /><color alpha="0.25" /></element>
+			<element ref="hl" inputtag="IN.0" inputmask="~mask~"><bounds x="~x~" y="9.65" width="10" height="10" /><color alpha="0.25" /></element>
 		</repeat>
 
 		<repeat count="6">
 			<param name="x" start="23.25" increment="10" />
 			<param name="mask" start="0x40" rshift="1" />
 
-			<element ref="butb" inputtag="IN.1" inputmask="~mask~"><bounds x="~x~" y="22.5" width="3.5" height="3.5" /></element>
+			<element ref="butb" inputtag="IN.1" inputmask="~mask~"><bounds x="~x~" y="23.8" width="3.5" height="3.5" /></element>
 		</repeat>
-		<element ref="buty" inputtag="IN.1" inputmask="0x80"><bounds x="13.25" y="22.5" width="3.5" height="3.5" /></element>
-		<element ref="buty" inputtag="IN.1" inputmask="0x01"><bounds x="83.25" y="22.5" width="3.5" height="3.5" /></element>
+		<element ref="buty" inputtag="IN.1" inputmask="0x80"><bounds x="13.25" y="23.8" width="3.5" height="3.5" /></element>
+		<element ref="buty" inputtag="IN.1" inputmask="0x01"><bounds x="83.25" y="23.8" width="3.5" height="3.5" /></element>
 	</group>
 
 
 <!-- build screen -->
 
 	<view name="Internal Layout">
-		<bounds left="-12" right="87" top="0" bottom="102.5" />
+		<bounds left="-12" right="87" top="0" bottom="103.5" />
 
 		<element ref="cyan"><bounds x="3.675" y="2.675" width="80.65" height="80.65" /></element>
 		<group ref="sb_board"><bounds x="4" y="3" width="80" height="80" /></group>
@@ -469,11 +469,11 @@ license:CC0-1.0
 		<element name="1.7" ref="led"><bounds x="78.25" y="84" width="1.5" height="1.5" /></element>
 
 		<!-- bottom side -->
-		<screen index="0"><bounds x="3.675" y="89" width="26" height="8" /></screen>
-		<element ref="lcdm" blend="multiply"><bounds x="3" y="88" width="28" height="10" /></element>
+		<screen index="0"><bounds x="4" yc="91.8375" width="20" height="6.156" /></screen>
+		<element ref="lcdm" blend="multiply"><bounds x="3" y="88" width="30" height="10" /></element>
 
 		<element ref="cyan"><bounds x="3.675" y="88.05" width="80.65" height="0.325" /></element>
-		<element ref="cyan"><bounds x="31.975" y="94.5" width="52.35" height="0.325" /></element>
+		<element ref="cyan"><bounds x="3.675" y="95.3" width="80.65" height="0.325" /></element>
 		<group ref="buttons"><bounds x="27.5" y="82.3" width="65" height="19.5" /></group>
 
 	</view>
diff --git a/src/mame/layout/novag_supremo.lay b/src/mame/layout/novag_supremo.lay
index b690f71f89e..d754f14c4ce 100644
--- a/src/mame/layout/novag_supremo.lay
+++ b/src/mame/layout/novag_supremo.lay
@@ -362,7 +362,7 @@ license:CC0-1.0
 <!-- build screen -->
 
 	<view name="Internal Layout">
-		<bounds left="-12.5" right="108.5" top="0.5" bottom="99" />
+		<bounds left="-12.5" right="108.5" top="0.5" bottom="97.25" />
 
 		<element ref="static_red"><bounds x="4" y="2.5" width="102.5" height="81" /></element>
 		<element ref="blackb"><bounds x="85" y="3" width="21" height="80" /></element>
@@ -502,8 +502,8 @@ license:CC0-1.0
 		<element ref="static_gray"><bounds x="86" y="62.75" width="19" height="0.5" /></element>
 		<element ref="static_gray"><bounds x="86" y="72.75" width="19" height="0.5" /></element>
 
-		<screen index="0"><bounds x="80.5" y="89" width="26" height="8" /></screen>
-		<element ref="lcdm" blend="multiply"><bounds x="80" y="88.5" width="27" height="9" /></element>
+		<screen index="0"><bounds x="84.5" y="88.5" width="22" height="6.77" /></screen>
+		<element ref="lcdm" blend="multiply"><bounds x="82" y="88" width="30" height="10" /></element>
 	</view>
 
 </mamelayout>
diff --git a/src/mame/novag/cforte.cpp b/src/mame/novag/cforte.cpp
index 3e102a80948..e188f77f45a 100644
--- a/src/mame/novag/cforte.cpp
+++ b/src/mame/novag/cforte.cpp
@@ -227,8 +227,8 @@ static INPUT_PORTS_START( cforte )
 	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("Set Level")
 
 	PORT_START("IN.7")
-	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("Go / ->")
-	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("Take Back / Restore / <-")
+	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("Go / Right")
+	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("Take Back / Restore / Left")
 INPUT_PORTS_END
 
 
diff --git a/src/mame/novag/const.cpp b/src/mame/novag/const.cpp
index 4fcefd825f3..61f3757d174 100644
--- a/src/mame/novag/const.cpp
+++ b/src/mame/novag/const.cpp
@@ -46,11 +46,12 @@ Super Sensor IV:
 Known Super Sensor IV expansion ROMs:
 - Quartz Chess Clock (came with the clock accessory)
 
-Sensor Dynamic's ROM is identical to Super Sensor IV "1I", the hardware is
-basically a low-budget version of it with peripheral ports removed.
 Super Sensor IV triggers an NMI on power-off (or power-failure). If this isn't
 done, NVRAM fails at next power-on.
 
+Sensor Dynamic's ROM is identical to Super Sensor IV "1I", the hardware is
+basically a low-budget version of it with peripheral ports removed.
+
 Super Constellation:
 - UMC UM6502C @ 4 MHz (8MHz XTAL)
 - 4KB battery-backed RAM (2*TC5516APL-2)
diff --git a/src/mame/novag/diablo.cpp b/src/mame/novag/diablo.cpp
index 4e641d3d89b..32326189569 100644
--- a/src/mame/novag/diablo.cpp
+++ b/src/mame/novag/diablo.cpp
@@ -228,12 +228,12 @@ static INPUT_PORTS_START( diablo68k )
 	PORT_START("IN.0")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("Go")
 	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("Take Back / Analyze Games")
-	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("->")
+	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("Right")
 
 	PORT_START("IN.1")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Set Level")
 	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) PORT_NAME("Flip Display / Time Control")
-	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("<-")
+	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("Left")
 
 	PORT_START("IN.2")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D) PORT_NAME("Hint / Next Best")
diff --git a/src/mame/novag/sexpert.cpp b/src/mame/novag/sexpert.cpp
index b795f690611..17a32c7634f 100644
--- a/src/mame/novag/sexpert.cpp
+++ b/src/mame/novag/sexpert.cpp
@@ -359,12 +359,12 @@ static INPUT_PORTS_START( sexpert )
 	PORT_START("IN.0")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("Go")
 	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("Take Back / Analyze Games")
-	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("->")
+	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("Right")
 
 	PORT_START("IN.1")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Set Level")
 	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) PORT_NAME("Flip Display / Time Control")
-	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("<-")
+	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("Left")
 
 	PORT_START("IN.2")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D) PORT_NAME("Hint / Next Best")
diff --git a/src/mame/novag/snova.cpp b/src/mame/novag/snova.cpp
index d51c7758527..1e73c7e9920 100644
--- a/src/mame/novag/snova.cpp
+++ b/src/mame/novag/snova.cpp
@@ -12,6 +12,7 @@ TODO:
 - beeps are glitchy, as if interrupted for too long
 - nsnova serial port isn't working, MCU emulation problem?
 - nsnova unmapped reads from 0x33/0x34
+- is "Aquamarine / Super Nova" the same rom as nsnova and just a redesign?
 - is the 1st version of supremo(black plastic) the same ROM?
 
 ===============================================================================
diff --git a/src/mame/tiger/k28m2.cpp b/src/mame/tiger/k28m2.cpp
index 3b009fb3bf7..999efde6204 100644
--- a/src/mame/tiger/k28m2.cpp
+++ b/src/mame/tiger/k28m2.cpp
@@ -251,7 +251,7 @@ INPUT_PORTS_END
 
 void k28m2_state::k28m2(machine_config &config)
 {
-	static constexpr u32 MASTER_CLOCK = 640'000; // approximation
+	constexpr u32 MASTER_CLOCK = 640'000; // approximation
 
 	// basic machine hardware
 	TMS1400(config, m_maincpu, MASTER_CLOCK/2);