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some CPM

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This commit is contained in:
Denis Molony 2016-02-24 20:48:09 +11:00
parent ec1472d13e
commit 71e94c61ba
3 changed files with 58 additions and 7 deletions
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10
src/com/bytezone/diskbrowser/cpm/CPMDisk.java
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@ -3,7 +3,6 @@ package com.bytezone.diskbrowser.cpm;
import java.awt.Color;
import java.util.List;
import com.bytezone.diskbrowser.HexFormatter;
import com.bytezone.diskbrowser.applefile.BootSector;
import com.bytezone.diskbrowser.disk.AbstractFormattedDisk;
import com.bytezone.diskbrowser.disk.AppleDisk;
@ -53,10 +52,11 @@ public class CPMDisk extends AbstractFormattedDisk
return false;
if (buffer[i] == 0)
{
String filename = HexFormatter.getString (buffer, i + 1, 8);
String filetype = HexFormatter.getString (buffer, i + 9, 3);
String bytes = HexFormatter.getHexString (buffer, i + 12, 20);
System.out.println (filename + " " + filetype + " " + bytes);
// String filename = HexFormatter.getString (buffer, i + 1, 8);
// String filetype = HexFormatter.getString (buffer, i + 9, 3);
// String bytes = HexFormatter.getHexString (buffer, i + 12, 20);
// System.out.println (filename + " " + filetype + " " + bytes);
System.out.println (new DirectoryEntry (buffer, i));
}
}
}

48
src/com/bytezone/diskbrowser/cpm/DirectoryEntry.java Normal file
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@ -0,0 +1,48 @@
package com.bytezone.diskbrowser.cpm;
import com.bytezone.diskbrowser.HexFormatter;
public class DirectoryEntry
{
private final int userNumber;
private final String name;
private final String type;
private final int ex;
private final int s1;
private final int s2;
private final int rc;
private final byte[] blockList = new byte[16];
public DirectoryEntry (byte[] buffer, int offset)
{
userNumber = buffer[offset] & 0xFF;
name = new String (buffer, offset + 1, 8).trim ();
type = new String (buffer, offset + 9, 3).trim ();
ex = buffer[offset + 12] & 0xFF;
s2 = buffer[offset + 13] & 0xFF;
s1 = buffer[offset + 14] & 0xFF;
rc = buffer[offset + 15] & 0xFF;
System.arraycopy (buffer, offset + 16, blockList, 0, 16);
}
@Override
public String toString ()
{
StringBuilder text = new StringBuilder ();
text.append (String.format ("User number .... %d%n", userNumber));
text.append (String.format ("File name ...... %s%n", name + "." + type));
// text.append (String.format ("File type ...... %s%n", type));
text.append (String.format ("Extents lo ..... %d%n", ex));
text.append (String.format ("Extents hi ..... %d%n", s2));
text.append (String.format ("Reserved ....... %d%n", s1));
int blocks = ((rc & 0xF0) >> 3) + (((rc & 0x0F) + 7) / 8);
text.append (String.format ("Records ........ %02X (%d)%n", rc, blocks));
text.append (String
.format ("Allocation ..... %s%n",
HexFormatter.formatNoHeader (blockList, 0, 16).subSequence (8, 55)));
return text.toString ();
}
}

7
src/com/bytezone/diskbrowser/disk/DiskFactory.java
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@ -20,7 +20,7 @@ import com.bytezone.diskbrowser.wizardry.WizardryScenarioDisk;
public class DiskFactory
{
private static boolean debug = false;
private static boolean debug = true;
private DiskFactory ()
{
@ -178,9 +178,12 @@ public class DiskFactory
else if (checksum == 3028642627L || checksum == 2070151659L)
disk = checkInfocomDisk (file);
else if (checksum == 1212926910L || checksum == 1365043894L)
else if (checksum == 1212926910L || checksum == 1365043894L
|| checksum == 2128073918L)
disk = checkCPMDisk (file);
// System.out.println (checksum);
if (disk != null)
{
if (compressed)