dmolony-DiskBrowser/src/com/bytezone/diskbrowser/applefile/PascalCode.java
Denis Molony c18806a0d5 tidying
2020-05-19 18:22:10 +10:00

93 lines
3.4 KiB
Java
Executable File

package com.bytezone.diskbrowser.applefile;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.bytezone.diskbrowser.utilities.FileFormatException;
import com.bytezone.diskbrowser.utilities.HexFormatter;
// ---------------------------------------------------------------------------------//
public class PascalCode extends AbstractFile
implements PascalConstants, Iterable<PascalSegment>
// ---------------------------------------------------------------------------------//
{
private final List<PascalSegment> segments = new ArrayList<> (16);
private final String comment;
// private final int blockOffset;
// private final Relocator relocator;
// ---------------------------------------------------------------------------------//
public static void print ()
// ---------------------------------------------------------------------------------//
{
for (int i = 0; i < 216; i++)
System.out.printf ("%3d %d %3s %s%n", i + 128, PascalConstants.mnemonicSize[i],
PascalConstants.mnemonics[i], PascalConstants.descriptions[i]);
}
// ---------------------------------------------------------------------------------//
public PascalCode (String name, byte[] buffer, int blockOffset)
// ---------------------------------------------------------------------------------//
{
super (name, buffer);
SegmentDictionary segmentDictionary = new SegmentDictionary (name, buffer);
if (!segmentDictionary.isValid ())
throw new FileFormatException ("Error in PascalSegment");
// this.blockOffset = blockOffset;
// this.relocator = relocator;
// if (relocator != null)
// relocator.getMultiDiskAddress ("SEG-DIC", blockOffset, 1);
int nonameCounter = 0;
// Create segment list (up to 16 segments)
for (int i = 0; i < 16; i++)
{
String codeName = HexFormatter.getString (buffer, 0x40 + i * 8, 8).trim ();
int size = HexFormatter.intValue (buffer[i * 4 + 2], buffer[i * 4 + 3]);
if (codeName.length () == 0 && size > 0)
codeName = "<NULL" + ++nonameCounter + ">";
if (size > 0)
{
// this could throw an exception
PascalSegment pascalSegment =
new PascalSegment (codeName, buffer, i, blockOffset);
segments.add (pascalSegment);
}
}
comment = HexFormatter.getPascalString (buffer, 0x1B0);
}
// ---------------------------------------------------------------------------------//
@Override
public String getText ()
// ---------------------------------------------------------------------------------//
{
StringBuilder text = new StringBuilder (getHeader ());
text.append ("Segment Dictionary\n==================\n\n");
text.append ("Slot Addr Blks Byte Name Kind"
+ " Txt Seg Mch Ver I/S I/S Disk:Block\n");
text.append ("---- ---- ---- ---- -------- ---------------"
+ " --- --- --- --- --- --- ---------------------\n");
for (PascalSegment segment : segments)
text.append (segment.toText () + "\n");
text.append ("\nComment : " + comment);
return text.toString ();
}
// ---------------------------------------------------------------------------------//
@Override
public Iterator<PascalSegment> iterator ()
// ---------------------------------------------------------------------------------//
{
return segments.iterator ();
}
}