diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index f2c700e6..33043d95 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -10,8 +10,9 @@
 <!-- --------------------------------------------------------------------- -->
 ---
 ## HEAD <a name="head"></a>
-- `PS` initialized now with `000000` (see [ECO-028](ECO-028-ps_init.md))
+### Summary
 - `CPUERR` cleared with cpu reset (see [ECO-029](ECO-029-cpuerr_creset.md))
+- `PS` initialized now with `000000` (see [ECO-028](ECO-028-ps_init.md))
 
 <!-- --------------------------------------------------------------------- -->
 ---
diff --git a/tools/bin/asm-11 b/tools/bin/asm-11
index 8896907f..198c18c2 100755
--- a/tools/bin/asm-11
+++ b/tools/bin/asm-11
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: asm-11 831 2016-12-27 16:51:12Z mueller $
+# $Id: asm-11 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2013-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -24,7 +24,7 @@
 # 2013-03-07   496   0.1    First draft
 #
 
-use 5.10.0;                                 # require Perl 5.10 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/asm-11_expect b/tools/bin/asm-11_expect
index d735d4fb..6cb23d3f 100755
--- a/tools/bin/asm-11_expect
+++ b/tools/bin/asm-11_expect
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: asm-11_expect 501 2013-03-30 13:53:39Z mueller $
+# $Id: asm-11_expect 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -18,7 +18,7 @@
 # 2013-03-24   499   0.1    First draft
 #
 
-use 5.10.0;                                 # require Perl 5.10 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/config_wrapper b/tools/bin/config_wrapper
index 6e339372..9265b5f8 100755
--- a/tools/bin/config_wrapper
+++ b/tools/bin/config_wrapper
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: config_wrapper 534 2013-09-22 21:37:24Z mueller $
+# $Id: config_wrapper 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2010-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -30,7 +30,7 @@
 # 2010-04-24   281   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/console_starter b/tools/bin/console_starter
index 475e9b65..3099a913 100755
--- a/tools/bin/console_starter
+++ b/tools/bin/console_starter
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: console_starter 581 2014-08-10 21:48:46Z mueller $
+# $Id: console_starter 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2009-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -21,7 +21,7 @@
 # 2009-11-07   247   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 use Getopt::Long;
diff --git a/tools/bin/create_disk b/tools/bin/create_disk
index 1d3362f7..92c663e4 100755
--- a/tools/bin/create_disk
+++ b/tools/bin/create_disk
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: create_disk 692 2015-06-21 11:53:24Z mueller $
+# $Id: create_disk 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2013-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -20,7 +20,7 @@
 # 2013-05-20   521   1.0    First draft
 #
 
-use 5.10.0;                                 # require Perl 5.10 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 use Getopt::Long;
diff --git a/tools/bin/fx2load_wrapper b/tools/bin/fx2load_wrapper
index a07ddeed..8bb1129d 100755
--- a/tools/bin/fx2load_wrapper
+++ b/tools/bin/fx2load_wrapper
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: fx2load_wrapper 604 2014-11-16 22:33:09Z mueller $
+# $Id: fx2load_wrapper 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2011-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -19,7 +19,7 @@
 # 2011-12-29   446   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 use Time::HiRes qw(usleep);
diff --git a/tools/bin/tbw b/tools/bin/tbw
index 7b9fcdb5..90a7874e 100755
--- a/tools/bin/tbw
+++ b/tools/bin/tbw
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: tbw 808 2016-09-17 13:02:46Z mueller $
+# $Id: tbw 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2007-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -45,7 +45,7 @@
 #  <tb_code>_stim_dat to refer to it. All args are passed along to <tb_code>
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use POSIX qw(mkfifo);
 use FileHandle;
diff --git a/tools/bin/telnet_wrapper b/tools/bin/telnet_wrapper
index afcd6650..b1d2b091 100755
--- a/tools/bin/telnet_wrapper
+++ b/tools/bin/telnet_wrapper
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: telnet_wrapper 547 2013-12-29 13:10:07Z mueller $
+# $Id: telnet_wrapper 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2009-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -17,7 +17,7 @@
 # 2009-11-07   246   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 if (scalar(@ARGV) != 2) {
diff --git a/tools/bin/ti_w11 b/tools/bin/ti_w11
index 7e441ae4..73da2c2e 100755
--- a/tools/bin/ti_w11
+++ b/tools/bin/ti_w11
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: ti_w11 830 2016-12-26 20:25:49Z mueller $
+# $Id: ti_w11 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2013-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 # License disclaimer see License.txt in $RETROBASE directory
@@ -20,7 +20,7 @@
 # 2013-04-26   510   1.0    Initial version (derived from dorri)
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/ticonv_pdpcp b/tools/bin/ticonv_pdpcp
index 872bbaca..50a4fb5a 100755
--- a/tools/bin/ticonv_pdpcp
+++ b/tools/bin/ticonv_pdpcp
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: ticonv_pdpcp 795 2016-08-09 12:45:58Z mueller $
+# $Id: ticonv_pdpcp 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2013-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -28,7 +28,7 @@
 # 2013-02-02   480   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 use Getopt::Long;
diff --git a/tools/bin/ticonv_rri b/tools/bin/ticonv_rri
index 87e61fb2..0021276f 100755
--- a/tools/bin/ticonv_rri
+++ b/tools/bin/ticonv_rri
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: ticonv_rri 795 2016-08-09 12:45:58Z mueller $
+# $Id: ticonv_rri 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2014-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -51,7 +51,7 @@
 #  init   <addr> g16 [s=g8]
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 use Getopt::Long;
diff --git a/tools/bin/tmuconv b/tools/bin/tmuconv
index 5dfcfe23..15b8c733 100755
--- a/tools/bin/tmuconv
+++ b/tools/bin/tmuconv
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: tmuconv 712 2015-11-01 22:53:45Z mueller $
+# $Id: tmuconv 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2008-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -74,7 +74,7 @@
 #   sy.chit:b
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/vbomconv b/tools/bin/vbomconv
index 1d4394de..cc491381 100755
--- a/tools/bin/vbomconv
+++ b/tools/bin/vbomconv
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: vbomconv 804 2016-08-28 17:33:50Z mueller $
+# $Id: vbomconv 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2007-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -65,7 +65,7 @@
 # 2007-07-08    65   1.1    add "tag : names"; inferral of _[ft]sim vboms
 # 2007-07-06    64   1.0    Initial version
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 use Cwd 'getcwd';
diff --git a/tools/bin/xise_msg_filter b/tools/bin/xise_msg_filter
index 9d2dad8c..be0a6a5f 100755
--- a/tools/bin/xise_msg_filter
+++ b/tools/bin/xise_msg_filter
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: xise_msg_filter 646 2015-02-15 12:04:55Z mueller $
+# $Id: xise_msg_filter 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2011-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -20,7 +20,7 @@
 # 2011-08-14   406   1.0    Initial version
 #
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 use FileHandle;
 
diff --git a/tools/bin/xst_count_bels b/tools/bin/xst_count_bels
index 65a6de91..b018ed91 100755
--- a/tools/bin/xst_count_bels
+++ b/tools/bin/xst_count_bels
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# $Id: xst_count_bels 314 2010-07-09 17:38:41Z mueller $
+# $Id: xst_count_bels 832 2016-12-28 09:49:47Z mueller $
 #
 # Copyright 2007-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
 #
@@ -19,7 +19,7 @@
 # 2007-06-30    62   1.1    fixed parser, now all bels counted
 # 2007-06-16    57   1.0    Initial version
 
-use 5.005;                                  # require Perl 5.005 or higher
+use 5.14.0;                                 # require Perl 5.14 or higher
 use strict;                                 # require strict checking
 
 use Getopt::Long;