67 lines
2.3 KiB
Java
Executable File
67 lines
2.3 KiB
Java
Executable File
package com.bytezone.diskbrowser.prodos;
|
|
|
|
import com.bytezone.diskbrowser.disk.AbstractSector;
|
|
import com.bytezone.diskbrowser.disk.Disk;
|
|
import com.bytezone.diskbrowser.disk.DiskAddress;
|
|
|
|
// see Prodos 8 Tech note #25
|
|
// -----------------------------------------------------------------------------------//
|
|
class ProdosExtendedKeySector extends AbstractSector
|
|
// -----------------------------------------------------------------------------------//
|
|
{
|
|
// ---------------------------------------------------------------------------------//
|
|
ProdosExtendedKeySector (Disk disk, byte[] buffer, DiskAddress diskAddress)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
super (disk, buffer, diskAddress);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
@Override
|
|
public String createText ()
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
StringBuilder text = getHeader ("Prodos Extended Key Block");
|
|
|
|
for (int i = 0; i < 512; i += 256)
|
|
{
|
|
String type = i == 0 ? "Data" : "Resource";
|
|
addText (text, buffer, i, 1,
|
|
type + " fork storage type (" + getType (buffer[i]) + ")");
|
|
addTextAndDecimal (text, buffer, i + 1, 2, "Key block");
|
|
addTextAndDecimal (text, buffer, i + 3, 2, "Blocks used");
|
|
addTextAndDecimal (text, buffer, i + 5, 3, "EOF");
|
|
text.append ("\n");
|
|
|
|
// check for Finder Info records
|
|
if (i == 0 && buffer[8] != 0)
|
|
{
|
|
for (int j = 0; j <= 18; j += 18)
|
|
{
|
|
addTextAndDecimal (text, buffer, j + 8, 1, "Size");
|
|
addTextAndDecimal (text, buffer, j + 9, 1, "Type");
|
|
addTextAndDecimal (text, buffer, j + 10, 16, "Finder info");
|
|
}
|
|
}
|
|
}
|
|
|
|
return text.toString ();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
private String getType (byte flag)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
switch ((flag & 0x0F))
|
|
{
|
|
case ProdosConstants.SEEDLING:
|
|
return "Seedling";
|
|
case ProdosConstants.SAPLING:
|
|
return "Sapling";
|
|
case ProdosConstants.TREE:
|
|
return "Tree";
|
|
default:
|
|
return "???";
|
|
}
|
|
}
|
|
} |