fseek($handle, 59);
$contents = fread($handle, 1);
if (ord($contents) != 0x3) {
echo 'File Problem - Doesn\'t seem to be a Equation File<br>';
echo '<a href="index.php">Back to main menu</a>';
echo '<h2>Open a file</h2>';
echo '<form enctype="multipart/form-data" action="82y-txt-converter.php" method="post">';
echo '<input type="hidden" name="MAX_FILE_SIZE" value="5000000" />';
echo 'Open a TI Equation File (82y): <input name="userfile" type="file" /> <input type="submit" value="Open">';
echo '</form>';
include "bottom.php";
die;
}
fseek($handle, 11);
$contents = fread($handle, 40);
$TIComment = VireZeroTerminaux($contents);
fseek($handle, 61);
$contents = ord(fread($handle, 1));
if ($contents < 0x1a) {
$TIName = 'Y' . ($contents - 0xf == 0xa ? 0 : $contents - 0xf);
} else {
if ($contents < 0x2c) {
$TIName = ($contents - 0x1f & 1 == 1 ? 'X' : 'Y') . ($contents - 0x1f == 0xa ? 0 : ceil(($contents - 0x1f) / 2)) . 'T';
} else {
if ($contents < 0x45) {
$TIName = 'r' . ($contents - 0x3f == 0xa ? 0 : $contents - 0x3f);
} else {
if ($contents == 0x80) {
$TIName = "u";
} else {
if ($contents == 0x81) {
$contents = '';
$count = 0;
$contents = fread($handle, 8);
$TIHeader = '';
$TIHeader = $contents == '**TI89**' ? "89" : '';
$TIHeader = $contents == '**TI92**' ? "92" : '';
$TIHeader = $contents == '**TI92P*' ? "92P" : '';
fseek($handle, 10);
$contents = fread($handle, 8);
$TIFolder = VireZeroTerminaux($contents);
fseek($handle, 18);
$contents = fread($handle, 40);
$TIComment = VireZeroTerminaux($contents);
fseek($handle, 64);
$contents = fread($handle, 8);
$TIName = VireZeroTerminaux($contents);
fseek($handle, 73);
$contents = fread($handle, 1);
$TIStoreTypeN = ord($contents);
$StoreTypes = array("RAM", 'RAM Locked', 'Archive');
$TIStoreType = $StoreTypes[$TIStoreTypeN];
fseek($handle, 86);
$contents = fread($handle, 1);
$TempBin = ord($contents);
$contents = fread($handle, 1);
$TextLength = $TempBin * 256 + ord($contents);
fseek($handle, 90);
$contents = nl2br(htmlspecialchars(fread($handle, $TextLength - 3)));
$text = $contents;
/* for ($i=0; $i<strlen($contents); $i++)
{
