allow sectors to know their own address

src/com/bytezone/diskbrowser/applefile/BootSector.java

@@ -1,16 +1,26 @@
 package com.bytezone.diskbrowser.applefile;
 
+import java.util.List;
+
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 
 public class BootSector extends AbstractSector
 {
   AssemblerProgram assembler;
-  String name;      // DOS or Prodos
+  String name;                                        // DOS or Prodos
 
-  public BootSector (Disk disk, byte[] buffer, String name)
+  public BootSector (Disk disk, byte[] buffer, String name, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
+    this.name = name;
+  }
+
+  public BootSector (Disk disk, byte[] buffer, String name,
+      List<DiskAddress> diskAddressList)
+  {
+    super (disk, buffer, diskAddressList);
     this.name = name;
   }
 
@@ -22,9 +32,9 @@ public class BootSector extends AbstractSector
     if (assembler == null)
     {
       int flag = buffer[0] & 0xFF;
-      if (flag == 1)      // apple II
+      if (flag == 1)                                // apple II
         assembler = new AssemblerProgram (name + " Boot Loader", buffer, 0x00, 1);
-      else                // apple III (SOS)
+      else                                          // apple III (SOS)
       {
         byte[] newBuffer = new byte[buffer.length * 2];
         System.arraycopy (buffer, 0, newBuffer, 0, buffer.length);

src/com/bytezone/diskbrowser/cpm/CPMCatalogSector.java

@@ -2,14 +2,15 @@ package com.bytezone.diskbrowser.cpm;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 
 public class CPMCatalogSector extends AbstractSector
 {
   private static int CATALOG_ENTRY_SIZE = 32;
 
-  public CPMCatalogSector (Disk disk, byte[] buffer)
+  public CPMCatalogSector (Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
   }
 
   @Override

src/com/bytezone/diskbrowser/cpm/CPMDisk.java

@@ -130,7 +130,7 @@ public class CPMDisk extends AbstractFormattedDisk
     byte[] buffer = disk.readSector (da);
 
     if (type == catalogSector)
-      return new CPMCatalogSector (disk, buffer);
+      return new CPMCatalogSector (disk, buffer, da);
 
     return super.getFormattedSector (da);
   }

src/com/bytezone/diskbrowser/disk/AbstractFormattedDisk.java

@@ -306,14 +306,14 @@ public abstract class AbstractFormattedDisk implements FormattedDisk
     String address = String.format ("%02X %02X", da.getTrack (), da.getSector ());
 
     if (sectorType == emptySector)
-      return new DefaultSector ("Empty sector at " + address, disk, buffer);
+      return new DefaultSector ("Empty sector at " + address, disk, buffer, da);
     if (sectorType == usedSector)
-      return new DefaultSector ("Orphan sector at " + address, disk, buffer);
+      return new DefaultSector ("Orphan sector at " + address, disk, buffer, da);
 
     String name = getSectorFilename (da);
     if (!name.isEmpty ())
       name = " : " + name;
-    return new DefaultSector ("Data sector at " + address + name, disk, buffer);
+    return new DefaultSector ("Data sector at " + address + name, disk, buffer, da);
   }
 
   /*

src/com/bytezone/diskbrowser/disk/AbstractSector.java

@@ -1,6 +1,7 @@
 package com.bytezone.diskbrowser.disk;
 
 import java.awt.image.BufferedImage;
+import java.util.List;
 
 import javax.swing.JComponent;
 import javax.swing.JPanel;
@@ -16,14 +17,23 @@ public abstract class AbstractSector implements DataSource
 
   public byte[] buffer;
   protected Disk disk;
+  protected DiskAddress diskAddress;
+  protected List<DiskAddress> diskAddressList;
   AssemblerProgram assembler;
   String description;
 
-  // maybe this should just use a DiskAddress
+  public AbstractSector (Disk disk, byte[] buffer, DiskAddress diskAddress)
-  public AbstractSector (Disk disk, byte[] buffer)
   {
     this.buffer = buffer;
     this.disk = disk;
+    this.diskAddress = diskAddress;
+  }
+
+  public AbstractSector (Disk disk, byte[] buffer, List<DiskAddress> diskAddressList)
+  {
+    this.buffer = buffer;
+    this.disk = disk;
+    this.diskAddressList = diskAddressList;
   }
 
   @Override

src/com/bytezone/diskbrowser/disk/DefaultSector.java

@@ -6,9 +6,9 @@ public class DefaultSector extends AbstractSector
 {
   String name;
 
-  public DefaultSector (String name, Disk disk, byte[] buffer)
+  public DefaultSector (String name, Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
     this.name = name;
   }
 

src/com/bytezone/diskbrowser/dos/DosCatalogSector.java

@@ -2,6 +2,7 @@ package com.bytezone.diskbrowser.dos;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 import com.bytezone.diskbrowser.utilities.HexFormatter;
 
 class DosCatalogSector extends AbstractSector
@@ -11,9 +12,9 @@ class DosCatalogSector extends AbstractSector
         "SS file", "Relocatable file", "AA file", "BB file" };
   private static int CATALOG_ENTRY_SIZE = 35;
 
-  public DosCatalogSector (Disk disk, byte[] buffer)
+  public DosCatalogSector (Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
   }
 
   @Override

src/com/bytezone/diskbrowser/dos/DosDisk.java

@@ -47,11 +47,13 @@ public class DosDisk extends AbstractFormattedDisk
     sectorTypesList.add (tsListSector);
     sectorTypesList.add (dataSector);
 
-    byte[] sectorBuffer = disk.readSector (0, 0);               // Boot sector
+    DiskAddress da = disk.getDiskAddress (0, 0);
-    bootSector = new BootSector (disk, sectorBuffer, "DOS");
+    byte[] sectorBuffer = disk.readSector (da);               // Boot sector
+    bootSector = new BootSector (disk, sectorBuffer, "DOS", da);
 
-    sectorBuffer = disk.readSector (CATALOG_TRACK, 0);          // VTOC
+    da = disk.getDiskAddress (CATALOG_TRACK, 0);
-    dosVTOCSector = new DosVTOCSector (this, disk, sectorBuffer);
+    sectorBuffer = disk.readSector (da);          // VTOC
+    dosVTOCSector = new DosVTOCSector (this, disk, sectorBuffer, da);
 
     DiskAddress catalogStart = disk.getDiskAddress (sectorBuffer[1], sectorBuffer[2]);
 
@@ -77,7 +79,7 @@ public class DosDisk extends AbstractFormattedDisk
     rootNode.add (volumeNode);
 
     // flag the catalog sectors before any file mistakenly grabs them
-    DiskAddress da = disk.getDiskAddress (catalogStart.getBlock ());
+    da = disk.getDiskAddress (catalogStart.getBlock ());
     do
     {
       if (!disk.isValidAddress (da))
@@ -324,14 +326,14 @@ public class DosDisk extends AbstractFormattedDisk
     String address = String.format ("%02X %02X", da.getTrack (), da.getSector ());
 
     if (type == tsListSector)
-      return new DosTSListSector (getSectorFilename (da), disk, buffer);
+      return new DosTSListSector (getSectorFilename (da), disk, buffer, da);
     if (type == catalogSector)
-      return new DosCatalogSector (disk, buffer);
+      return new DosCatalogSector (disk, buffer, da);
     if (type == dataSector)
       return new DefaultSector (
-          "Data Sector at " + address + " : " + getSectorFilename (da), disk, buffer);
+          "Data Sector at " + address + " : " + getSectorFilename (da), disk, buffer, da);
     if (type == dosSector)
-      return new DefaultSector ("DOS sector at " + address, disk, buffer);
+      return new DefaultSector ("DOS sector at " + address, disk, buffer, da);
     return super.getFormattedSector (da);
   }
 

src/com/bytezone/diskbrowser/dos/DosTSListSector.java

@@ -9,9 +9,9 @@ class DosTSListSector extends AbstractSector
 {
   String name;
 
-  public DosTSListSector (String name, Disk disk, byte[] buffer)
+  public DosTSListSector (String name, Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
     this.name = name;
   }
 
@@ -52,10 +52,12 @@ class DosTSListSector extends AbstractSector
   @Override
   public String createText ()
   {
-    // should check whether the next sector address is this sector
+    DiskAddress da = disk.getDiskAddress (buffer[1], buffer[2]);
+    String msg = da.compareTo (diskAddress) == 0 ? " (circular reference)" : "";
+
     StringBuilder text = getHeader ("TS List Sector : " + name);
     addText (text, buffer, 0, 1, "Not used");
-    addText (text, buffer, 1, 2, "Next TS list track/sector");
+    addText (text, buffer, 1, 2, "Next TS list track/sector" + msg);
     addText (text, buffer, 3, 2, "Not used");
     addTextAndDecimal (text, buffer, 5, 2, "Sector base number");
     addText (text, buffer, 7, 4, "Not used");

src/com/bytezone/diskbrowser/dos/DosVTOCSector.java

@@ -2,6 +2,7 @@ package com.bytezone.diskbrowser.dos;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 import com.bytezone.diskbrowser.utilities.HexFormatter;
 
 class DosVTOCSector extends AbstractSector
@@ -18,9 +19,10 @@ class DosVTOCSector extends AbstractSector
   int maxSectors;
   int maxTracks;
 
-  public DosVTOCSector (DosDisk parentDisk, Disk disk, byte[] buffer)
+  public DosVTOCSector (DosDisk parentDisk, Disk disk, byte[] buffer,
+      DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
 
     this.parentDisk = parentDisk;
     DOSVersion = buffer[3];

src/com/bytezone/diskbrowser/pascal/PascalCatalogSector.java

@@ -2,9 +2,11 @@ package com.bytezone.diskbrowser.pascal;
 
 import java.text.DateFormat;
 import java.util.GregorianCalendar;
+import java.util.List;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 import com.bytezone.diskbrowser.utilities.HexFormatter;
 
 class PascalCatalogSector extends AbstractSector
@@ -13,9 +15,9 @@ class PascalCatalogSector extends AbstractSector
   private static String[] fileTypes =
       { "Volume", "Bad", "Code", "Text", "Info", "Data", "Graf", "Foto", "SecureDir" };
 
-  public PascalCatalogSector (Disk disk, byte[] buffer)
+  public PascalCatalogSector (Disk disk, byte[] buffer, List<DiskAddress> diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
   }
 
   @Override

src/com/bytezone/diskbrowser/pascal/PascalDisk.java

@@ -47,9 +47,10 @@ public class PascalDisk extends AbstractFormattedDisk
     sectorTypesList.add (grafSector);
     sectorTypesList.add (fotoSector);
 
+    //    DiskAddress da = disk.getDiskAddress (0);
     List<DiskAddress> blocks = disk.getDiskAddressList (0, 1);
     byte[] buffer = disk.readSectors (blocks);
-    this.bootSector = new BootSector (disk, buffer, "Pascal");
+    this.bootSector = new BootSector (disk, buffer, "Pascal", blocks);
 
     buffer = disk.readSector (2);
     byte[] data = new byte[CATALOG_ENTRY_SIZE];
@@ -78,7 +79,7 @@ public class PascalDisk extends AbstractFormattedDisk
     }
 
     buffer = disk.readSectors (sectors);
-    diskCatalogSector = new PascalCatalogSector (disk, buffer); // uses all 4 sectors
+    diskCatalogSector = new PascalCatalogSector (disk, buffer, sectors);
 
     DefaultMutableTreeNode root = getCatalogTreeRoot ();
     DefaultMutableTreeNode volumeNode = new DefaultMutableTreeNode (volume);
@@ -220,7 +221,7 @@ public class PascalDisk extends AbstractFormattedDisk
       return diskCatalogSector;
     String name = getSectorFilename (da);
     if (name != null)
-      return new DefaultSector (name, disk, disk.readSector (da));
+      return new DefaultSector (name, disk, disk.readSector (da), da);
     return super.getFormattedSector (da);
   }
 

src/com/bytezone/diskbrowser/prodos/ProdosBitMapSector.java

@@ -8,13 +8,13 @@ import com.bytezone.diskbrowser.disk.DiskAddress;
 
 class ProdosBitMapSector extends AbstractSector
 {
-  private final DiskAddress da;
+  //  private final DiskAddress da;
   private final ProdosDisk parent;
 
   ProdosBitMapSector (ProdosDisk parent, Disk disk, byte[] buffer, DiskAddress da)
   {
-    super (disk, buffer);
+    super (disk, buffer, da);
-    this.da = da;
+    //    this.da = da;
     this.parent = parent;
   }
 
@@ -25,7 +25,7 @@ class ProdosBitMapSector extends AbstractSector
 
     // check range of bits for current block - so far I don't have a disk that needs
     // more than a single block
-    int relativeBlock = da.getBlock () - parent.vdh.bitMapBlock;
+    int relativeBlock = diskAddress.getBlock () - parent.vdh.bitMapBlock;
     int startBit = relativeBlock * 4096;
     int endBit = startBit + 4096;
     if (startBit >= grid.width * grid.height)

src/com/bytezone/diskbrowser/prodos/ProdosCatalogSector.java

@@ -6,13 +6,14 @@ import java.util.GregorianCalendar;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 import com.bytezone.diskbrowser.utilities.HexFormatter;
 
 class ProdosCatalogSector extends AbstractSector
 {
-  ProdosCatalogSector (Disk disk, byte[] buffer)
+  ProdosCatalogSector (Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
   }
 
   @Override

src/com/bytezone/diskbrowser/prodos/ProdosDisk.java

@@ -51,8 +51,9 @@ public class ProdosDisk extends AbstractFormattedDisk
       if (!disk.isSectorEmpty (disk.getDiskAddress (block)))
         sectorTypes[block] = dosSector;
 
-    byte[] buffer = disk.readSector (0);
+    DiskAddress da = disk.getDiskAddress (0);
-    bootSector = new BootSector (disk, buffer, "Prodos");
+    byte[] buffer = disk.readSector (da);
+    bootSector = new BootSector (disk, buffer, "Prodos", da);
 
     DefaultMutableTreeNode root = getCatalogTreeRoot ();
     DefaultMutableTreeNode volumeNode = new DefaultMutableTreeNode ("empty volume node");
@@ -224,19 +225,19 @@ public class ProdosDisk extends AbstractFormattedDisk
     SectorType type = sectorTypes[da.getBlock ()];
 
     if (type == catalogSector || type == subcatalogSector)
-      return new ProdosCatalogSector (disk, buffer);
+      return new ProdosCatalogSector (disk, buffer, da);
     if (type == volumeMapSector)
       return new ProdosBitMapSector (this, disk, buffer, da);
     if (type == masterIndexSector || type == indexSector)
-      return new ProdosIndexSector (getSectorFilename (da), disk, buffer);
+      return new ProdosIndexSector (getSectorFilename (da), disk, buffer, da);
     if (type == extendedKeySector)
-      return new ProdosExtendedKeySector (disk, buffer);
+      return new ProdosExtendedKeySector (disk, buffer, da);
     if (type == dosSector)
-      return new DefaultSector ("Boot sector", disk, buffer);
+      return new DefaultSector ("Boot sector", disk, buffer, da);
 
     String name = getSectorFilename (da);
     if (name != null)
-      return new DefaultSector (name, disk, buffer);
+      return new DefaultSector (name, disk, buffer, da);
     return super.getFormattedSector (da);
   }
 

src/com/bytezone/diskbrowser/prodos/ProdosExtendedKeySector.java

@@ -2,12 +2,13 @@ package com.bytezone.diskbrowser.prodos;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 
 class ProdosExtendedKeySector extends AbstractSector
 {
-  public ProdosExtendedKeySector (Disk disk, byte[] buffer)
+  public ProdosExtendedKeySector (Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
   }
 
   @Override

src/com/bytezone/diskbrowser/prodos/ProdosIndexSector.java

@@ -2,15 +2,16 @@ package com.bytezone.diskbrowser.prodos;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
 import com.bytezone.diskbrowser.disk.Disk;
+import com.bytezone.diskbrowser.disk.DiskAddress;
 import com.bytezone.diskbrowser.utilities.HexFormatter;
 
 class ProdosIndexSector extends AbstractSector
 {
   private final String name;
 
-  ProdosIndexSector (String name, Disk disk, byte[] buffer)
+  ProdosIndexSector (String name, Disk disk, byte[] buffer, DiskAddress diskAddress)
   {
-    super (disk, buffer);
+    super (disk, buffer, diskAddress);
     this.name = name;
   }