diff --git a/hash/a7800.xml b/hash/a7800.xml
index 738a4bb7d0a..de25bdb1d76 100644
--- a/hash/a7800.xml
+++ b/hash/a7800.xml
@@ -256,7 +256,8 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		</part>
 	</software>
 
-	<software name="alienbrgu" cloneof="alienbrg">
+	<!-- Lacks lightgun emulation but playable with joystick -->
+	<software name="alienbrgu" cloneof="alienbrg" supported="partial">
 		<description>Alien Brigade (NTSC)</description>
 		<year>1989</year>
 		<publisher>Atari</publisher>
@@ -264,14 +265,15 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="NTSC"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg9" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="147456">
 				<rom name="alienbrg.bin" size="147456" crc="c8849d36" sha1="a8629fac962cc20b263a60bb2d2386d605713387"/>
 			</dataarea>
 		</part>
 	</software>
 
-	<software name="alienbrg">
+	<!-- Lacks lightgun emulation but playable with joystick -->
+	<software name="alienbrg" supported="partial">
 		<description>Alien Brigade (PAL)</description>
 		<year>1989</year>
 		<publisher>Atari</publisher>
@@ -279,6 +281,7 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="PAL"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg9" />
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="147456">
 				<rom name="alienbeu.bin" size="147456" crc="6a19f0fe" sha1="990711ae451d901a960af8ad9ae70813f16257b1"/>
 			</dataarea>
@@ -399,7 +402,7 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		</part>
 	</software>
 
-	<software name="barnblstu" cloneof="barnblst">
+	<software name="barnblstu" cloneof="barnblst" supported="no">
 		<description>Barnyard Blaster (NTSC)</description>
 		<!-- Final Release Proto - C300051-059A (Matches NTSC)
 		             10/5/88 (#1/U3 27256 SUM16=9676)
@@ -412,14 +415,14 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="NTSC"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="barnyard.bin" size="131072" crc="ed0a587d" sha1="cbcde3d85c8778dea402394568677884cd781de3"/>
 			</dataarea>
 		</part>
 	</software>
 
-	<software name="barnblst">
+	<software name="barnblst" supported="no">
 		<description>Barnyard Blaster (PAL)</description>
 		<year>1988</year>
 		<publisher>Atari</publisher>
@@ -427,6 +430,7 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="PAL"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="barnyaeu.bin" size="131072" crc="02764a86" sha1="a5797cf7e747bbd755c99fde6936caa15fbba6b1"/>
 			</dataarea>
@@ -658,7 +662,8 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		</part>
 	</software>
 
-	<software name="crossbowu" cloneof="crossbow">
+	<!-- Lacks lightgun emulation but playable with joystick -->
+	<software name="crossbowu" cloneof="crossbow" supported="partial">
 		<description>Crossbow (NTSC)</description>
 		<year>1988</year>
 		<publisher>Atari / Exidy</publisher>
@@ -666,14 +671,15 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="NTSC"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg9" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="147456">
 				<rom name="crossbow.bin" size="147456" crc="d2ea5686" sha1="d5e47da88e232cd9ea059e133e7c0f13d921a04c"/>
 			</dataarea>
 		</part>
 	</software>
 
-	<software name="crossbow">
+	<!-- Lacks lightgun emulation but playable with joystick -->
+	<software name="crossbow" supported="partial">
 		<description>Crossbow (PAL)</description>
 		<year>1988</year>
 		<publisher>Atari / Exidy</publisher>
@@ -681,7 +687,7 @@ type of rom dumps.  Effort will be made at a later date to split them and docume
 		<sharedfeat name="compatibility" value="PAL"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg9" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="147456">
 				<rom name="crossbeu.bin" size="147456" crc="e93d8894" sha1="f26d292210a91a714b4b87712ff53b8e49da611e"/>
 			</dataarea>
@@ -1547,7 +1553,7 @@ Saarna for debugging the problem)
 		</part>
 	</software>
 
-	<software name="meltdownu" cloneof="meltdown">
+	<software name="meltdownu" cloneof="meltdown" supported="no">
 		<description>Meltdown (NTSC)</description>
 		<year>1990</year>
 		<publisher>Atari</publisher>
@@ -1555,14 +1561,14 @@ Saarna for debugging the problem)
 		<sharedfeat name="compatibility" value="NTSC"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="meltdown.bin" size="131072" crc="4a8f2171" sha1="e601c45aaa1cc25f01493867664c8b9fefeca70e"/>
 			</dataarea>
 		</part>
 	</software>
 
-	<software name="meltdown">
+	<software name="meltdown" supported="no">
 		<description>Meltdown (PAL)</description>
 		<year>1990</year>
 		<publisher>Atari</publisher>
@@ -1570,7 +1576,7 @@ Saarna for debugging the problem)
 		<sharedfeat name="compatibility" value="PAL"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="meltdoeu.bin" size="131072" crc="177fc850" sha1="ac448f369c3c6334415095e4ff344fdd73b473be"/>
 			</dataarea>
@@ -2162,7 +2168,7 @@ almost nothing like the prototype.
 		</part>
 	</software>
 
-	<software name="sentinelu" cloneof="sentinel">
+	<software name="sentinelu" cloneof="sentinel" supported="no">
 		<description>Sentinel (NTSC, prototype)</description>
 		<year>1991</year>
 		<publisher>Atari</publisher>
@@ -2170,14 +2176,14 @@ almost nothing like the prototype.
 		<sharedfeat name="compatibility" value="NTSC"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="sentinel.bin" size="131072" crc="2fddad78" sha1="bd7de03a28b168c992bcaa96539c2310f3bfe30c"/>
 			</dataarea>
 		</part>
 	</software>
 
-	<software name="sentinel">
+	<software name="sentinel" supported="no">
 		<description>Sentinel (PAL)</description>
 		<year>1991</year>
 		<publisher>Atari</publisher>
@@ -2185,7 +2191,7 @@ almost nothing like the prototype.
 		<sharedfeat name="compatibility" value="PAL"/>
 		<part name="cart" interface="a7800_cart">
 			<feature name="slot" value="a78_sg" />
-			<feature name="peripheral" value="lightgun" /> <!-- Works with Lightgun -->
+			<feature name="peripheral" value="lightgun" />
 			<dataarea name="rom" size="131072">
 				<rom name="sentineu.bin" size="131072" crc="47340df9" sha1="6d85a73a56d2f02ff439736eace86691aa613444"/>
 			</dataarea>