Small improvement to early TAGES detection to eliminate small handful of false positives. Also threw in a note about alpharom

Author: HeroponRikiBestest

BinaryObjectScanner/FileType/ISO9660.cs

@@ -107,6 +107,11 @@ public static bool NoteworthyApplicationUse(PrimaryVolumeDescriptor pvd)
                 // character. If these are found to be causing issues they can be added.
             }
 
+            offset = 1;
+            potentialAppUseString = applicationUse.ReadNullTerminatedAnsiString(ref offset);
+            if (potentialAppUseString == "FS")
+                return false;
+            
             offset = 141;
             potentialAppUseString = applicationUse.ReadNullTerminatedAnsiString(ref offset);
             if (potentialAppUseString == "CD-XA001")

BinaryObjectScanner/Protection/AlphaROM.cs

@@ -70,6 +70,7 @@ public class AlphaROM : IDiskImageCheck<ISO9660>, IExecutableCheck<PortableExecu
             // Alpharom disc check #2: disc has publisher identifier filled with varying amount of data (26-50 bytes
             // have been observed) followed by spaces. There's a decent chance this is just a Japanese text string, but
             // UTF, Shift-JIS, and EUC-JP all fail to display anything but garbage.
+            // TODO: This fails on some discs like Redump ID 127450, where publisher identifier is all 0x00.
 
             var publisherIdentifier = pvd.PublisherIdentifier;
             int firstSpace = Array.FindIndex(publisherIdentifier, b => b == 0x20);

BinaryObjectScanner/Protection/Tages.cs

@@ -43,9 +43,12 @@ public class TAGES : IDiskImageCheck<ISO9660>, IExecutableCheck<PortableExecutab
             // Early tages has a 4-byte value at the beginning of the AU data and nothing else.
             // Redump ID  8776, 21321, 35932
             offset = 0;
-            uint earlyTagesBytes = applicationUse.ReadUInt32LittleEndian(ref offset);
+            var earlyTagesBytes = applicationUse.ReadBytes(ref offset, 4);
             var zeroBytes = applicationUse.ReadBytes(ref offset, 508);
-            if (Array.TrueForAll(zeroBytes, b => b == 0x00) && earlyTagesBytes != 0)
+            
+            // Check on earlyTagesBytes needed because Redump ID 56899 begins with "FUN" and is then all 0x00.
+            // 0x70 value is probably just by chance of where early TAGES checks, but it seems to be consistent.
+            if (Array.TrueForAll(zeroBytes, b => b == 0x00) && !Array.TrueForAll(earlyTagesBytes, b => b == 0x00) && earlyTagesBytes[3] == 0x70)
                 return "TAGES (Early)";
 
             // The original releases of Moto Racer 3 (31578, 34669) are so early they have seemingly nothing identifiable.