private void btExport_Click(object sender, EventArgs e)
{
var f = new SelectFile();
f.Filename = "exportedConfigScript.videoNes.bin";
f.ShowDialog();
if (!f.Result)
return;
var fn = f.Filename;
byte videoPageId = (byte)(curActiveVideo + 0x90);
var data = ConfigScript.getVideoChunk(videoPageId);
Utils.saveDataToFile(fn, data);
}