Apple-2-Tools/dmolony-DiskBrowser
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c string reader

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This commit is contained in:
Denis Molony 2019-11-04 18:30:13 +10:00
parent ca44da4c94
commit 93186f2b6d
3 changed files with 24 additions and 10 deletions
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9
src/com/bytezone/diskbrowser/applefile/CharacterRom.java
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@ -4,6 +4,8 @@ import java.awt.image.DataBuffer;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import com.bytezone.diskbrowser.utilities.HexFormatter;
// see graffidisk.v1.0.2mg // see graffidisk.v1.0.2mg
// -----------------------------------------------------------------------------------// // -----------------------------------------------------------------------------------//
public class CharacterRom extends CharacterList public class CharacterRom extends CharacterList
@ -22,7 +24,7 @@ public class CharacterRom extends CharacterList
{ {
super (name, buffer, charsX, charsY, HEADER_LENGTH); super (name, buffer, charsX, charsY, HEADER_LENGTH);
description = new String (buffer, 16, 16); description = HexFormatter.getCString (buffer, 16);
assert sizeX == (buffer[5] & 0xFF); assert sizeX == (buffer[5] & 0xFF);
assert sizeY == (buffer[6] & 0xFF); assert sizeY == (buffer[6] & 0xFF);
@ -35,10 +37,11 @@ public class CharacterRom extends CharacterList
if (buffer.length != 0x400) if (buffer.length != 0x400)
return false; return false;
// no idea what these mean // see CHARROM.S on graffidisk
// BD 41 53 10 A0 07 08 // BD 41 53 10 A0 07 08
return buffer[0] == (byte) 0xBD && buffer[1] == (byte) 0x41 return buffer[0] == (byte) 0xBD && buffer[1] == (byte) 0x41
&& buffer[2] == (byte) 0x53 && buffer[3] == (byte) 0x10; && buffer[2] == (byte) 0x53 && buffer[4] == (byte) 0xA0
&& buffer[5] == (byte) 0x07 && buffer[6] == (byte) 0x08;
} }
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//

14
src/com/bytezone/diskbrowser/gui/DiskBrowser.java
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@ -18,11 +18,11 @@ import com.bytezone.diskbrowser.duplicates.RootFolderData;
public class DiskBrowser extends JFrame implements DiskSelectionListener, QuitListener public class DiskBrowser extends JFrame implements DiskSelectionListener, QuitListener
// -----------------------------------------------------------------------------------// // -----------------------------------------------------------------------------------//
{ {
static long start; // static long start;
static // static
{ // {
start = System.currentTimeMillis (); // start = System.currentTimeMillis ();
} // }
private static String[] args; private static String[] args;
private static final String windowTitle = "Apple ][ Disk Browser"; private static final String windowTitle = "Apple ][ Disk Browser";
private final Preferences prefs = Preferences.userNodeForPackage (this.getClass ()); private final Preferences prefs = Preferences.userNodeForPackage (this.getClass ());
@ -38,7 +38,7 @@ public class DiskBrowser extends JFrame implements DiskSelectionListener, QuitLi
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
{ {
super (windowTitle); super (windowTitle);
System.out.printf ("Start Init: %,5d%n", System.currentTimeMillis () - start); // System.out.printf ("Start Init: %,5d%n", System.currentTimeMillis () - start);
if (args.length > 0 && "-reset".equals (args[0])) if (args.length > 0 && "-reset".equals (args[0]))
new WindowState (prefs).clear (); new WindowState (prefs).clear ();
@ -185,7 +185,7 @@ public class DiskBrowser extends JFrame implements DiskSelectionListener, QuitLi
// activate the highest panel now that the listeners are ready // activate the highest panel now that the listeners are ready
catalogPanel.activate (); catalogPanel.activate ();
System.out.printf ("End Init : %,5d%n", System.currentTimeMillis () - start); // System.out.printf ("End Init : %,5d%n", System.currentTimeMillis () - start);
} }
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//

11
src/com/bytezone/diskbrowser/utilities/HexFormatter.java
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@ -528,4 +528,15 @@ public class HexFormatter
int length = buffer[offset] & 0xFF; int length = buffer[offset] & 0xFF;
return HexFormatter.getString (buffer, offset + 1, length); return HexFormatter.getString (buffer, offset + 1, length);
} }
// ---------------------------------------------------------------------------------//
public static String getCString (byte[] buffer, int offset)
// ---------------------------------------------------------------------------------//
{
int end = offset;
while (buffer[end] != 0)
end++;
return HexFormatter.getString (buffer, offset, end - offset);
}
} }