applesoft alignment bug

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

@@ -59,18 +59,18 @@ class Alignment implements ApplesoftConstants
     int targetLength = subline.endPosition - equalsPosition;
 
     // insert spaces before '=' until it lines up with the other assignment lines
-    while (alignEqualsPos-- > equalsPosition)
+    while (alignEqualsPos-- > subline.equalsPosition)
-      line.insert (equalsPosition, ' ');
+      line.insert (subline.equalsPosition, ' ');
 
     if (line.charAt (line.length () - 1) == ':')
-      while (targetLength++ <= targetLength)
+      while (targetLength++ <= this.targetLength)
         line.append (" ");
 
     return line.toString ();
   }
 
   // ---------------------------------------------------------------------------------//
-  private StringBuilder toStringBuilder (SubLine subline)
+  static StringBuilder toStringBuilder (SubLine subline)
   // ---------------------------------------------------------------------------------//
   {
     StringBuilder line = new StringBuilder ();
@@ -103,4 +103,21 @@ class Alignment implements ApplesoftConstants
 
     return line;
   }
+
+  // ---------------------------------------------------------------------------------//
+  @Override
+  public String toString ()
+  // ---------------------------------------------------------------------------------//
+  {
+    StringBuilder text = new StringBuilder ();
+
+    text.append (String.format ("Equals position ..... %d%n", equalsPosition));
+    text.append (String.format ("Target length ....... %d%n", targetLength));
+    text.append (
+        String.format ("First subline ....... %s%n", toStringBuilder (firstSubLine)));
+    text.append (
+        String.format ("Last subline ........ %s", toStringBuilder (lastSubLine)));
+
+    return text.toString ();
+  }
 }

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

@@ -465,7 +465,8 @@ public class SubLine implements ApplesoftConstants
     while (++p < max)
       if (buffer[p] == TOKEN_EQUALS)
       {
-        String expandedLine = toString ();
+        //        String expandedLine = toString ();
+        String expandedLine = Alignment.toStringBuilder (this).toString ();
         equalsPosition = expandedLine.indexOf ('=');
         endPosition = expandedLine.length ();
         if (expandedLine.endsWith (":"))

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

@@ -258,6 +258,7 @@ public class UserBasicFormatter extends BasicFormatter
         .size (); i++)
     {
       boolean precededByIf = false;
+
       for (SubLine subline : sourceLines.get (i).sublines)
       {
         if (started)

src/com/bytezone/diskbrowser/disk/Prefix2mg.java

@@ -24,6 +24,9 @@ public class Prefix2mg
   int creatorOffset;
   int creatorLength;
 
+  boolean flagsLocked;
+  int flagsVolume;
+
   // ---------------------------------------------------------------------------------//
   public Prefix2mg (byte[] buffer)
   // ---------------------------------------------------------------------------------//
@@ -42,6 +45,12 @@ public class Prefix2mg
     creatorOffset = Utility.getLong (buffer, 0x28);
     creatorLength = Utility.getLong (buffer, 0x2C);
 
+    flagsLocked = (flags & 0x80000000) != 0;
+    if ((flags & 0x0100) != 0)
+      flagsVolume = flags & 0xFF;
+    if (format == 0 && flagsVolume == 0)
+      flagsVolume = 254;
+
     // see /Asimov disks/images/gs/os/prodos16/ProDOS 16v1_3.2mg
     System.out.println (this);
   }
@@ -59,6 +68,8 @@ public class Prefix2mg
     text.append (String.format ("Version        : %d%n", version));
     text.append (String.format ("Format         : %02X%n", format));
     text.append (String.format ("Flags          : %,d%n", flags));
+    text.append (String.format ("Locked         : %s%n", flagsLocked));
+    text.append (String.format ("DOS Volume     : %,d%n", flagsVolume));
     text.append (String.format ("Blocks         : %,d%n", blocks));
     text.append (String.format ("Offset         : %,d%n", offset));
     text.append (String.format ("Length         : %08X (%<,d)%n", length));

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

@@ -151,20 +151,7 @@ public class ProdosDisk
     }
 
     // search for each subdirectory, create any that don't exist
-    int catalogBlockNo = 2;
+    int catalogBlockNo = createPath (subdirectories);
-
-    FileEntry fileEntry = null;
-    for (int i = 0; i < subdirectories.length; i++)
-    {
-      Optional<FileEntry> fileEntryOpt =
-          searchDirectory (catalogBlockNo, subdirectories[i]);
-      if (fileEntryOpt.isEmpty ())
-        fileEntry = createSubdirectory (catalogBlockNo, subdirectories[i]);
-      else
-        fileEntry = fileEntryOpt.get ();
-
-      catalogBlockNo = fileEntry.keyPointer;
-    }
 
     // check that the file doesn't already exist
     Optional<FileEntry> fileEntryOpt = searchDirectory (catalogBlockNo, fileName);
@@ -176,7 +163,7 @@ public class ProdosDisk
     }
 
     // create a file entry in the current catalog block
-    fileEntry = findFreeSlot (catalogBlockNo);
+    FileEntry fileEntry = findFreeSlot (catalogBlockNo);
 
     if (fileEntry != null)
     {
@@ -204,6 +191,30 @@ public class ProdosDisk
     return fileEntry;
   }
 
+  // ---------------------------------------------------------------------------------//
+  private int createPath (String[] subdirectories)
+      throws DiskFullException, VolumeCatalogFullException
+  // ---------------------------------------------------------------------------------//
+  {
+    // search for each subdirectory, create any that don't exist
+    int catalogBlockNo = 2;
+
+    FileEntry fileEntry = null;
+    for (int i = 0; i < subdirectories.length; i++)
+    {
+      Optional<FileEntry> fileEntryOpt =
+          searchDirectory (catalogBlockNo, subdirectories[i]);
+      if (fileEntryOpt.isEmpty ())
+        fileEntry = createSubdirectory (catalogBlockNo, subdirectories[i]);
+      else
+        fileEntry = fileEntryOpt.get ();
+
+      catalogBlockNo = fileEntry.keyPointer;
+    }
+
+    return catalogBlockNo;
+  }
+
   // ---------------------------------------------------------------------------------//
   public void addResourceFork (FileEntry fileEntry, byte[] fileBuffer, int eof)
       throws DiskFullException

src/com/bytezone/diskbrowser/utilities/MasterHeader.java

@@ -29,13 +29,13 @@ class MasterHeader
     {
       if (Utility.isMagic (buffer, ptr, NuFile))
         break;
-      if (Utility.isMagic (buffer, 0x2000, NuFile))
+      //      if (Utility.isMagic (buffer, 0x2000, NuFile))
-      {
+      //      {
-        System.out.println ("found it");
+      //        System.out.println ("found it");
-        ptr = 0x2000;
+      //        ptr = 0x2000;
-        bin2 = true;
+      //        bin2 = true;
-        break;
+      //        break;
-      }
+      //      }
 
       if (isBin2 (buffer, ptr))
       {

src/com/bytezone/diskbrowser/utilities/Utility.java

@@ -453,6 +453,9 @@ public class Utility
   static boolean isMagic (byte[] buffer, int ptr, byte[] magic)
   // ---------------------------------------------------------------------------------//
   {
+    if (ptr + magic.length >= buffer.length)
+      return false;
+
     for (int i = 0; i < magic.length; i++)
       if (buffer[ptr + i] != magic[i])
         return false;