nes-proj/tools/6502/download.php

<?php

$cfg  = chr($_GET['addr-a']).chr($_GET['addr-b']).chr($_GET['addr-c']).chr($_GET['addr-d']);
$cfg .= chr($_GET['mask-a']).chr($_GET['mask-b']).chr($_GET['mask-c']).chr($_GET['mask-d']);
$cfg .= chr($_GET['dgw-a']). chr($_GET['dgw-b']). chr($_GET['dgw-c']). chr($_GET['dgw-d']);
$cfg .= chr($_GET['dns-a']). chr($_GET['dns-b']). chr($_GET['dns-c']). chr($_GET['dns-d']);

switch ($_GET['machine']) {
case "apple2":
    $hex = $_GET['apple2-addr'];
    $drv = $_GET['apple2-drv'];
    $ext = 'dsk';
    $ofs = 0x05B00;
    break;
case "c64":
    $hex = strtok($_GET['c64-addr-drv'],  '-');
    $drv = strtok('-');
    $ext = 'd64';
    $ofs = 0x15002;
    break;
case "c128":
    $hex = strtok($_GET['c128-addr-drv'], '-');
    $drv = strtok('-');
    $ext = 'd71';
    $ofs = 0x15002;
    break;
}

$addr = hexdec($hex);
$cfg .= chr($addr % 0x100).chr($addr / 0x100);
$cfg .= $drv;

if ($_GET['disk']) {
    $out = substr_replace(file_get_contents('contiki.' . $ext), $cfg, $ofs, strlen($cfg));
} else {
    $ext = 'cfg';
    $out = $cfg;
}

header('Content-Type: application/octetstream');
header('Content-Disposition: attachment; filename=contiki.' . $ext);
print($out);

?>