public static void makeUMDSFO(
String filename,
String discID,
String discVersion,
String systemVersion,
String title,
int parentalLevel)
throws IOException {
ByteBuffer buffer = ByteBuffer.allocate(0x10000);
PSF psf = new PSF();
psf.put("BOOTABLE", 1);
psf.put("CATEGORY", "UG");
psf.put("DISC_ID", discID, 16);
psf.put("DISC_NUMBER", 1);
psf.put("DISC_TOTAL", 1);
psf.put("DISC_VERSION", discVersion);
psf.put("PARENTAL_LEVEL", parentalLevel);
psf.put("PSP_SYSTEM_VER", systemVersion);
psf.put("REGION", 32768);
psf.put("TITLE", title, 128);
psf.write(buffer);
byte[] data = new byte[psf.size()];
buffer.position(0);
buffer.get(data);
FileOutputStream fos = new FileOutputStream(filename);
fos.write(data);
fos.close();
}
