diff -r 991849dfbcb1 -r 8c7ccdebcb89 progs/compile2.scala
--- a/progs/compile2.scala	Sun Nov 17 09:18:47 2019 +0000
+++ b/progs/compile2.scala	Sun Nov 17 16:12:16 2019 +0000
@@ -481,26 +481,27 @@
   "\n" ++
   //"new field[30000];\n" ++
   "ptr := 15000;" ++
-  instrs2(prog) ++
+  instrs(prog) ++
   "skip"
 }
 
 def bf_run(prog: String, name: String) = {
   println("BF processing start")
   val bf_string = bf_str(prog).replaceAll("\\s", "")
+  
   println(s"BF parsing start (string length ${bf_string.length})")
   val bf_prog = Stmts.parse_all(bf_string).toList.head
-  println("BF Compile start")
+  println(s"BF Compile start ${bf_string.toList.length} characters")
   compile_run(Array("field", 30000) :: bf_prog, name)
 }
 
 // a benchmark program (counts down from 'Z' to 'A')
-val b0 = """>++[<+++++++++++++>-]<[[>+>+<<-]>[<+>-]++++++++
+val bf0 = """>++[<+++++++++++++>-]<[[>+>+<<-]>[<+>-]++++++++
             [>++++++++<-]>.[-]<<>++++++++++[>++++++++++[>++
             ++++++++[>++++++++++[>++++++++++[>++++++++++[>+
             +++++++++[-]<-]<-]<-]<-]<-]<-]<-]++++++++++."""
 
-bf_run(b0, "bench")
+bf_run(bf0, "bench")
 
 
 
@@ -513,7 +514,11 @@
 bf_run("""++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++
        ..+++.>>.<-.<.+++.------.--------.>>+.>++.""", "hello")
 
-bf_run("""+++++++++++
+println("BF SIER Prog")
+println(bf_str(bf1).replaceAll("\\s", "").split(";").toList.length)
+
+
+val bf2 = """+++++++++++
       >+>>>>++++++++++++++++++++++++++++++++++++++++++++
       >++++++++++++++++++++++++++++++++<<<<<<[>[>>>>>>+>
       +<<<<<<<-]>>>>>>>[<<<<<<<+>>>>>>>-]<[>++++++++++[-
@@ -523,7 +528,12 @@
       +++++++++++++++++++++++.[-]]++++++++++<[->-<]>++++
       ++++++++++++++++++++++++++++++++++++++++++++.[-]<<
       <<<<<<<<<<[>>>+>+<<<<-]>>>>[<<<<+>>>>-]<-[>>.>.<<<
-      [-]]<<[>>+>+<<<-]>>>[<<<+>>>-]<<[<+>-]>[<+>-]<<<-]""", "fibs")
+      [-]]<<[>>+>+<<<-]>>>[<<<+>>>-]<<[<+>-]>[<+>-]<<<-]"""
+
+bf_run(bf2, "fibs")
+
+println("BF FIB Prog")
+println(bf_str(bf2).replaceAll("\\s", "").split(";").toList.length)
 
 /*