diff -r df455e0a9f98 -r 10d4d20c4e4b scala/ex_jvm.scala
--- a/scala/ex_jvm.scala	Thu Mar 14 19:03:05 2013 +0000
+++ b/scala/ex_jvm.scala	Thu Mar 14 19:18:39 2013 +0000
@@ -74,19 +74,18 @@
 
 
 def compile(f: Rec, ns: List[Int]) : Unit = {
-  val class_name = "Prog"
+  val class_name = "Prog"  // name of the class and program
   val (aprog, res, max) = compile_rec(f)
 
-  val init_code = init_regs(ns.padTo(max, 0))
+  val init_code = init_regs(ns.padTo(max, 0))  // initialising registers with input data
   val main_code = compile_aprog(aprog.p) 
-  val fin_code = print_result(aprog.p.length, res, class_name)
-  val code = init_code.mkString + main_code.mkString + fin_code
+  val end_code = print_result(aprog.p.length, res, class_name)
+  val code = beginning(class_name) + init_code + main_code + end_code + ending
   
-  val assembly = beginning(class_name) ++ code ++ ending
+  val fw = new java.io.FileWriter(class_name + ".j") // temporary file
+  fw.write(code) 
+  fw.close()
 
-  val fw = new java.io.FileWriter(class_name + ".j") 
-  fw.write(assembly) 
-  fw.close()
   val _ = ("java -jar jvm/jasmin-2.4/jasmin.jar " + class_name + ".j").!!
   val start = System.nanoTime()
   val result = ("java " + class_name + "/" + class_name).!!
@@ -101,7 +100,7 @@
 
 println("FACTORIAL")
 
-for (i <- 5 to 9) {
+for (i <- 7 to 14) {
   println("Input:  " + i)
   compile(Fact, List(i))
 }