less cluttered display of data

diff --git a/openocd-jtag-boundary-scan.pl b/openocd-jtag-boundary-scan.pl
index aa4ea26..1b58b0d 100755 (executable)
--- a/openocd-jtag-boundary-scan.pl
+++ b/openocd-jtag-boundary-scan.pl
@@ -9,6 +9,7 @@ use Storable;
 
 my $openocd_remote = shift @ARGV || 'picam:4444';
 my $bsdl_file = $ENV{BSDL} || '_3128at100.bsd';
+$bsdl_file = '3064at44.bsd'; # XXX 
 my $BOUNDARY_LENGTH = 288;
 my $entity;
 
@@ -76,6 +77,15 @@ my @sort = sort {
        $aa <=> $bb } keys %$io2bit;
 warn "# sort = ",dump(@sort);
 
+sub bits {
+       my $bits = shift;
+       $bits =~ s/0/ /;
+       $bits =~ s/^(.)0/$1 /;
+       $bits =~ s/^1/I/;
+       $bits =~ s/^(.)1/$1./;
+       return $bits;
+}
+
 my $last_bits = '';
 sub print_io {
        my $bits = shift;
@@ -92,7 +102,7 @@ sub print_io {
                        if ( defined $o ) {
                                my $l = $b = substr($bits, $o, 3);
                                $l = substr($last_bits,$o,3) if $last_bits;
-                               printf "%-3d %-3d %-5s %3s %3s | ", $pin, $o, $io, $b, $b ne $l ? $l : ''
+                               printf "%-3d %-3d %-5s %3s %3s | ", $pin, $o, $io, bits($b), bits($b ne $l ? $l : '')
                        } else {
                                printf "%-3d ... %-5s %3s %3s | ", $pin, $io, '', '';
                        }