diff --git a/hash/cpc_flop.xml b/hash/cpc_flop.xml
index 1e8b6a4d9e8..c58d5b02d26 100644
--- a/hash/cpc_flop.xml
+++ b/hash/cpc_flop.xml
@@ -203350,18 +203350,6 @@ stick to CPC-Power disks, when available)
 		</part>
 	</software>
 
-	<!-- Identifying LASTMIV2w (nongoodcpc).dsk... --> <!-- NonGoodCPC -->
-	<software name="lastmiv2" supported="no">
-		<description>LASTMIV2w</description>
-		<year>19??</year>
-		<publisher>&lt;unknown&gt;</publisher>
-		<part name="flop1" interface="floppy_3">
-			<dataarea name="flop" size="368640">
-				<rom name="lastmiv2w (nongoodcpc).dsk" size="368640" crc="f8e14556" sha1="c80a8ba28f232ff0727aea0e2c103490f33d7bc0"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<!-- Identifying Last_Duel__MCSPE__Side_A (nongoodcpc).dsk... --> <!-- NonGoodCPC -->
 	<software name="lastduel07" cloneof="lastduel" supported="no">
 		<description>Last_Duel__MCSPE__Side_A</description>
@@ -204226,18 +204214,6 @@ stick to CPC-Power disks, when available)
 		</part>
 	</software>
 
-	<!-- Identifying Livingv2 (nongoodcpc).dsk... --> <!-- NonGoodCPC -->
-	<software name="livingv2" supported="no">
-		<description>Livingv2</description>
-		<year>19??</year>
-		<publisher>&lt;unknown&gt;</publisher>
-		<part name="flop1" interface="floppy_3">
-			<dataarea name="flop" size="368640">
-				<rom name="livingv2 (nongoodcpc).dsk" size="368640" crc="8f80e3b7" sha1="429605bb0ec6285aaaeecc762c31fe234b9e269b"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<!-- Identifying Locksmith (nongoodcpc).dsk... --> <!-- NonGoodCPC -->
 	<software name="locksmit03" cloneof="locksmit" supported="no">
 		<description>Locksmith</description>
diff --git a/hash/msx1_cart.xml b/hash/msx1_cart.xml
index 0f36d12acc8..405314f8501 100644
--- a/hash/msx1_cart.xml
+++ b/hash/msx1_cart.xml
@@ -4138,6 +4138,7 @@ kept for now until finding out what those bytes affect...
 		</part>
 	</software>
 
+	<!-- The rom image works on both MSX and SMS. -->
 	<software name="cyborgz">
 		<description>Cyborg Z (Korea)</description>
 		<year>1991</year>
@@ -11524,6 +11525,7 @@ kept for now until finding out what those bytes affect...
 		</part>
 	</software>
 
+	<!-- The rom image works on both MSX and SMS. -->
 	<software name="sboy3">
 		<description>Super Boy 3 (Korea)</description>
 		<year>1991</year>
@@ -12800,6 +12802,7 @@ kept for now until finding out what those bytes affect...
 		</part>
 	</software>
 
+	<!-- The rom image works on both MSX and SMS. -->
 	<software name="wonsiin">
 		<description>Wonsiin (Korea)</description>
 		<year>1991</year>
@@ -18261,7 +18264,7 @@ legacy FM implementations cannot find it.
 		<part name="cart" interface="msx_cart">
 			<feature name="start_page" value="0"/>
 			<dataarea name="rom" size="0xc000">
-				<rom name="zero and the castle of infinite sadness - dioniso (2014) [msxdev2014].rom" size="0xc000" crc="7b6f90ef" sha1="b61b66e14574b683f75807a6aa18b7868cd628d8"/>
+				<rom name="zero and the castle of infinite sadness - dioniso (2014) [matra].rom" size="0xc000" crc="7b6f90ef" sha1="b61b66e14574b683f75807a6aa18b7868cd628d8"/>
 			</dataarea>
 		</part>
 	</software>
diff --git a/hash/msx2_flop.xml b/hash/msx2_flop.xml
index 2805e6ab4d2..158a808605e 100644
--- a/hash/msx2_flop.xml
+++ b/hash/msx2_flop.xml
@@ -16104,11 +16104,14 @@ HOMEBREW
 		</part>
 	</software>
 
-	<software name="battlebo">
+	<!-- The readme mentions that the game should autoboot but this dump is missing an AUTOEXEC.BAT file. -->
+	<!-- GFX9000 is not supported yet. -->
+	<software name="battlebo" supported="no">
 		<description>Battle Bomber (UK?)</description>
 		<year>1996</year>
 		<publisher>&lt;homebrew&gt;</publisher>
 		<info name="developer" value="BitBoyz" />
+		<info name="usage" value="Requires a system with at least 128KB memory mapper, MSX-DOS2, Moonsound, and a GFX9000 graphics card. Once in MSX-DOS2 type 'batlbomb' to start the software."/>
 		<part name="flop1" interface="floppy_3_5">
 			<dataarea name="flop" size="737280">
 				<rom name="battle bomber.dsk" size="737280" crc="a318cfcd" sha1="75e6a558ac1f0346f951d9c6667e0b9ecb8557e8"/>
@@ -17419,18 +17422,6 @@ HOMEBREW
 		</part>
 	</software>
 
-	<software name="mobiusd">
-		<description>Mobius Debugger 2 - Eternal Striker (Japan, demo)</description>
-		<year>1995</year>
-		<publisher>&lt;doujin&gt;</publisher>
-		<info name="developer" value="Sequence" />
-		<part name="flop1" interface="floppy_3_5">
-			<dataarea name="flop" size="737280">
-				<rom name="eternaldemo.dsk" size="737280" crc="19a45f75" sha1="20cbe1beaa164f2fc80a49caeadf320848881a74"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<software name="moonland">
 		<description>Moon Landing (Japan)</description>
 		<year>1998</year>
@@ -18354,18 +18345,6 @@ HOMEBREW
 		</part>
 	</software>
 
-	<software name="shlblade">
-		<description>Shoulder Blade (Japan, bad dump?)</description>
-		<year>1997</year>
-		<publisher>&lt;doujin&gt;</publisher>
-		<info name="developer" value="GW's Workshop" />
-		<part name="flop1" interface="floppy_3_5">
-			<dataarea name="flop" size="737280">
-				<rom name="blade (1997)(gw's workshop)[b].dsk" size="737280" crc="3dab74d6" sha1="8c0b7b32ec22840ce1dabd38863e1876232d3b9d"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<software name="enigma">
 		<description>Shrines of Enigma (Netherlands)</description>
 		<year>1994</year>
@@ -18744,17 +18723,6 @@ HOMEBREW
 		</part>
 	</software>
 
-	<software name="witchiz">
-		<description>The Witch 'Iz' (Japan)</description>
-		<year>1994</year>
-		<publisher>&lt;doujin&gt;</publisher>
-		<part name="flop1" interface="floppy_3_5">
-			<dataarea name="flop" size="737280">
-				<rom name="the witch iz.dsk" size="737280" crc="9eef4495" sha1="d096b1ef10c9d7b3ddffda0ec14b841c2c14cada"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<software name="witchrev">
 		<description>The Witchs Revenge (Netherlands)</description>
 		<year>1993</year>
diff --git a/hash/msx2p_flop.xml b/hash/msx2p_flop.xml
index bc3f0a580ae..c684fec6854 100644
--- a/hash/msx2p_flop.xml
+++ b/hash/msx2p_flop.xml
@@ -581,19 +581,6 @@ Known undumped:
 
 <!-- Homebrew / Doujin -->
 
-	<software name="btlbombr">
-		<description>Battle Bomber</description>
-		<year>1996</year>
-		<publisher>&lt;homebrew&gt;</publisher>
-		<info name="developer" value="Bitboyz" />
-
-		<part name="flop1" interface="floppy_3_5">
-			<dataarea name="flop" size="737280">
-				<rom name="battle bomber.dsk" size="737280" crc="a318cfcd" sha1="75e6a558ac1f0346f951d9c6667e0b9ecb8557e8"/>
-			</dataarea>
-		</part>
-	</software>
-
 	<software name="gladius">
 		<description>Gladius (Germany)</description>
 		<year>1992</year>
diff --git a/hash/msxr_flop.xml b/hash/msxr_flop.xml
index 8ae1b201981..74facbeed26 100644
--- a/hash/msxr_flop.xml
+++ b/hash/msxr_flop.xml
@@ -923,6 +923,7 @@ Known undumped:
 		<year>1997</year>
 		<publisher>&lt;doujin&gt;</publisher>
 		<info name="developer" value="GW's Workshop" />
+		<info name="usage" value="Requires MSX-DOS2"/>
 
 		<part name="flop1" interface="floppy_3_5">
 			<dataarea name="flop" size="737280">