66 lines
1.9 KiB
Java
66 lines
1.9 KiB
Java
package com.bytezone.diskbrowser.cpm;
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import java.awt.Color;
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import java.util.List;
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import com.bytezone.diskbrowser.HexFormatter;
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import com.bytezone.diskbrowser.applefile.BootSector;
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import com.bytezone.diskbrowser.disk.AbstractFormattedDisk;
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import com.bytezone.diskbrowser.disk.AppleDisk;
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import com.bytezone.diskbrowser.disk.Disk;
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import com.bytezone.diskbrowser.disk.DiskAddress;
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import com.bytezone.diskbrowser.disk.SectorType;
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public class CPMDisk extends AbstractFormattedDisk
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{
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private final Color green = new Color (0, 200, 0);
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public final SectorType catalogSector = new SectorType ("Catalog", green);
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public final SectorType cpmSector = new SectorType ("CPM", Color.lightGray);
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public CPMDisk (Disk disk)
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{
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super (disk);
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sectorTypesList.add (catalogSector);
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sectorTypesList.add (cpmSector);
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byte[] sectorBuffer = disk.readSector (0, 0); // Boot sector
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bootSector = new BootSector (disk, sectorBuffer, "CPM");
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sectorTypes[0] = cpmSector;
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for (int sector = 0; sector < 8; sector++)
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{
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DiskAddress da = disk.getDiskAddress (3, sector);
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sectorTypes[da.getBlock ()] = catalogSector;
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}
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}
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@Override
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public List<DiskAddress> getFileSectors (int fileNo)
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{
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return null;
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}
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public static boolean isCorrectFormat (AppleDisk disk)
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{
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disk.setInterleave (3);
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for (int sector = 0; sector < 8; sector++)
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{
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byte[] buffer = disk.readSector (3, sector);
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for (int i = 0; i < buffer.length; i += 32)
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{
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if (buffer[i] != 0 && buffer[i] != (byte) 0xE5)
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return false;
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if (buffer[i] == 0)
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{
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String filename = HexFormatter.getString (buffer, i + 1, 8);
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String filetype = HexFormatter.getString (buffer, i + 9, 3);
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String bytes = HexFormatter.getHexString (buffer, i + 12, 20);
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System.out.println (filename + " " + filetype + " " + bytes);
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}
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}
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}
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return true;
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}
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} |