simple tests passed

@@ -9,3 +9,4 @@ __pycache__
 #*
 cctlib/parser.out
 cct-test
+/ttclib

@@ -194,6 +194,13 @@ class CodeGenVisitor (Visitor) :
                 outfile.write("\n#\n# string literals from file %r\n#\n\n"
                               % c.path)
                 outfile.write(s)
+        outfile.write("\n#\n"
+                      "# call main\n"
+                      "#\n\n"
+                      "IRQ0:\n"
+                      "  set  R9 @main\n"
+                      "  call R9\n"
+                      "  halt\n")
 
     def _calc_function_var_addrs(self, symtab, last_fp_loc):
         self._calc_function_arg_addrs(symtab)
@@ -201,7 +208,7 @@ class CodeGenVisitor (Visitor) :
 
     def _calc_function_arg_addrs(self, symtab):
         for symbol in symtab.entries.values():
-            symbol.compile_loc = 2 + symbol.param_num
+            symbol.compile_loc = 3 + symbol.param_num
             if not symbol.is_used:
                 self.warning("function argument '%s' is never used." % symbol.name)
 
@@ -401,7 +408,7 @@ class CodeGenVisitor (Visitor) :
             call = node.arglist.nodes[0].get_str()
             expect = self.test[call]
             ret = self._accept_and_pop(node.arglist.nodes[1])
-            self.o("  ### %s == %s # == %s" % (ret, expect, call))
+            self.o("  ### %s == %s # == %s\n" % (ret, expect, call))
             self.stack.done()
             return
         self.c("FUNCTION CALL to %s() - begin" %