protected boolean initEmulator(File fileELF) {
/* Hack: Try to figure out what type of Mspsim-node we should be used by checking file extension */
String filename = fileELF.getName();
if (filename.endsWith(".exp1101")) {
exp5438Node = new Exp1101Node();
desc = "Exp5438+CC1101";
} else if (filename.endsWith(".exp1120")) {
exp5438Node = new Exp1120Node();
desc = "Exp5438+CC1120";
} else if (filename.endsWith(".trxeb2520")) {