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https://github.com/softwarejanitor/DOS33.git
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Added proread.pl
This commit is contained in:
Leeland Heins
GitHub
parent
6443627cd3
commit
dfe7a42c9a
191
ProDOS.pm
191
ProDOS.pm
@ -560,7 +560,7 @@ sub parse_key_vol_dir_blk {
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my ($prv_vol_dir_blk, $nxt_vol_dir_blk, $storage_type_name_length, $volume_name, $creation_ymd, $creation_hm, $version, $min_version, $access, $entry_length, $entries_per_block, $file_count, $bit_map_pointer, $total_blocks, $dir_ents) = unpack $key_vol_dir_blk_tmpl, $buf;
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my $storage_type = $storage_type_name_length & 0xf0;
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my $storage_type = ($storage_type_name_length & 0xf0) >> 4;
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my $name_length = $storage_type_name_length & 0x0f;
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my $volname = substr($volume_name, 0, $name_length);
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@ -570,7 +570,7 @@ sub parse_key_vol_dir_blk {
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my @files = ();
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for (my $i = 0; $i < 12; $i++) {
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my $storage_type_name_length = shift @flds;
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my $storage_type = $storage_type_name_length & 0xf0;
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my $storage_type = ($storage_type_name_length & 0xf0) >> 4;
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my $name_length = $storage_type_name_length & 0x0f;
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my $file_name = shift @flds;
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my $fname = substr($file_name, 0, $name_length);
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@ -598,7 +598,7 @@ sub parse_key_vol_dir_blk {
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if ($storage_type != 0) {
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my $f_type = $ftype{$file_type};
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$f_type = sprintf("\$%02x", $file_type) unless defined $f_type;
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer };
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer, 'storage_type' => $storage_type };
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}
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}
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@ -636,9 +636,9 @@ sub parse_vol_dir_blk {
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my @files = ();
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for (my $i = 0; $i < 12; $i++) {
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my $storage_type_name_length = shift @flds;
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my $file_name = shift @flds;
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my $storage_type = $storage_type_name_length & 0xf0;
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my $storage_type = ($storage_type_name_length & 0xf0) >> 4;
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my $name_length = $storage_type_name_length & 0x0f;
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my $file_name = shift @flds;
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my $fname = substr($file_name, 0, $name_length);
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my $file_type = shift @flds;
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my $key_pointer = shift @flds;
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@ -664,7 +664,7 @@ sub parse_vol_dir_blk {
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if ($storage_type != 0) {
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my $f_type = $ftype{$file_type};
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$f_type = sprintf("\$%02x", $file_type) unless defined $f_type;
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer };
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer, 'storage_type' => $storage_type };
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}
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}
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@ -697,7 +697,7 @@ sub parse_subdir_hdr_blk {
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my ($prv_vol_dir_blk, $nxt_vol_dir_blk, $storage_type_name_length, $subdir_name, $foo, $creation_ymd, $creation_hm, $version, $min_version, $access, $entry_length, $entries_per_block, $file_count, $parent_pointer, $parent_entry, $parent_entry_length, $dir_ents) = unpack $subdir_hdr_blk_tmpl, $buf;
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my $storage_type = $storage_type_name_length & 0xf0;
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my $storage_type = ($storage_type_name_length & 0xf0) >> 4;
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my $name_length = $storage_type_name_length & 0x0f;
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my $subdir_nm = substr($subdir_name, 0, $name_length);
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@ -707,9 +707,9 @@ sub parse_subdir_hdr_blk {
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my @files = ();
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for (my $i = 0; $i < 12; $i++) {
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my $storage_type_name_length = shift @flds;
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print sprintf("storage_type_name_length=%02x\n", $storage_type_name_length) if $debug;
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my $storage_type = $storage_type_name_length & 0xf0;
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print sprintf("storage_type=%02x\n", $storage_type) if $debug;
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my $storage_type = ($storage_type_name_length & 0xf0) >> 4;
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print sprintf("storage_type_name_length=%02x\n", $storage_type_name_length);
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print sprintf("storage_type=%02x\n", $storage_type);
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my $name_length = $storage_type_name_length & 0x0f;
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print sprintf("name_length=%02x\n", $name_length) if $debug;
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my $file_name = shift @flds;
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@ -740,7 +740,7 @@ sub parse_subdir_hdr_blk {
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if ($storage_type != 0) {
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my $f_type = $ftype{$file_type};
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$f_type = sprintf("\$%02x", $file_type) unless defined $f_type;
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer };
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push @files, { 'filename' => $fname, 'ftype' => $f_type, 'used' => $blocks_used, 'mdate' => $mdate, 'cdate' => $cdate, 'atype' => $aux_type, 'atype' => $atype, 'access' => $access, 'eof' => $endfile, 'keyptr' => $key_pointer, 'storage_type' => $storage_type };
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}
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}
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@ -838,22 +838,179 @@ sub cat {
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}
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}
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# Parse master index block (tree file)
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sub parse_master_ind_blk {
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my ($buf, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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}
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# Get master index block (tree file)
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sub get_master_ind_blk {
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my ($pofile, $blk, $dbg) = @_;
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my ($pofile, $master_ind_blk, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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print "pofile=$pofile master_ind_blk=$master_ind_blk\n";
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my $buf;
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my @blocks = ();
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if (read_blk($pofile, $master_ind_blk, \$buf)) {
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dump_blk($buf) if $debug;
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}
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return @blocks;
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}
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# Parse index block (sapling file)
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sub parse_ind_blk {
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my ($buf, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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}
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# Get index block (sapling file)
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sub get_ind_blk {
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my ($pofile, $blk, $dbg) = @_;
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my ($pofile, $ind_blk, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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print "pofile=$pofile ind_blk=$ind_blk\n";
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my $buf;
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my @blocks = ();
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if (read_blk($pofile, $ind_blk, \$buf)) {
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dump_blk($buf) if $debug;
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my (@lo) = unpack "C256", $buf;
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#foreach my $byte (@lo) {
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# print sprintf("%02x ", $byte);
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#}
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#print "\n";
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my (@hi) = unpack "x256C256", $buf;
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#foreach my $byte (@hi) {
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# print sprintf("%02x ", $byte);
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#}
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#print "\n";
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for (my $b = 0; $b < 256; $b++) {
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#print sprintf("lo=%02x hi=%02x\n", $lo[$b], $hi[$b]);
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my $blk = ($hi[$b] << 8) | $lo[$b];
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#print sprintf("blk=%04x\n", $blk);
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push @blocks, $blk;
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}
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}
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return @blocks;
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}
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#
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# Find a file
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#
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sub find_file {
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my ($pofile, $filename, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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print "pofile=$pofile filename=$filename\n";
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my $storage_type = 0;
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my $file_type = 0x00;
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my $key_pointer = 0x00;
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my $blocks_used = 0x00;
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my ($prv_vol_dir_blk, $nxt_vol_dir_blk, $storage_type_name_length, $volume_name, $creation_ymd, $creation_hm, $version, $min_version, $access, $entry_length, $entries_per_block, $file_count, $bit_map_pointer, $total_blocks, @files) = get_key_vol_dir_blk($pofile, $debug);
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my $found_it = 0;
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foreach my $file (@files) {
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#print "file=$file->{'filename'}\n";
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if ($file->{'filename'} eq $filename) {
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#print "FOUND IT!\n";
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$found_it = 1;
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$storage_type = $file->{'storage_type'};
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$file_type = $file->{'ftype'};
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$key_pointer = $file->{'keyptr'};
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$blocks_used = $file->{'used'};
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last;
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}
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}
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if (! $found_it) {
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my $vol_dir_blk = $nxt_vol_dir_blk;
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while ($vol_dir_blk) {
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my ($prv_vol_dir_blk, $nxt_vol_dir_blk, @files) = get_vol_dir_blk($pofile, $vol_dir_blk, $debug);
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foreach my $file (@files) {
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#print "file=$file->{'filename'}\n";
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if ($file->{'filename'} eq $filename) {
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#print "FOUND IT!\n";
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$found_it = 1;
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$storage_type = $file->{'storage_type'};
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$file_type = $file->{'ftype'};
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$key_pointer = $file->{'keyptr'};
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$blocks_used = $file->{'used'};
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last;
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}
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}
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$vol_dir_blk = $nxt_vol_dir_blk;
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last if $found_it;
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}
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}
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return $storage_type, $file_type, $key_pointer, $blocks_used;
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}
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#
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# Read a file
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#
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sub read_file {
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my ($pofile, $filename, $dbg) = @_;
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my ($pofile, $filename, $mode, $conv, $dbg) = @_;
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$debug = 1 if defined $dbg && $dbg;
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print "pofile=$pofile filename=$filename mode=$mode conv=$conv\n";
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my ($storage_type, $file_type, $key_pointer, $blocks_used) = find_file($pofile, $filename, $debug);
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my $buf;
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print "storage_type=$storage_type file_type=$file_type key_pointer=$key_pointer blocks_used=$blocks_used\n";
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# Seedling file, only 1 block
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if ($storage_type == 1) {
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if (read_blk($pofile, $key_pointer, \$buf)) {
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#dump_blk($buf) if $debug;
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dump_blk($buf);
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}
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# Sapling file, 2-256 blocks
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} elsif ($storage_type == 2) {
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my @blks = get_ind_blk($pofile, $key_pointer, $debug);
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my $buf2;
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my $blkno = 1;
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foreach my $blk (@blks) {
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#print "blkno=$blkno blk=$blk\n";
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if (read_blk($pofile, $blk, \$buf2)) {
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#dump_blk($buf2) if $debug;
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dump_blk($buf2);
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}
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last if $blkno++ == $blocks_used - 1;
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}
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# Tree file, 257+ blocks
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} elsif ($storage_type == 3) {
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my @blks = get_master_ind_blk($pofile, $key_pointer, $debug);
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##FIXME -- need to handle Tree files here.
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} else {
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print "Not a regular file!\n";
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}
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}
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#
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# Parse volume bit map
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#
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sub parse_vol_bit_map {
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my ($buf, $dbg) = @_;
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@ -871,6 +1028,9 @@ sub parse_vol_bit_map {
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return @blocks;
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}
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#
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# Get volume bit map
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#
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sub get_vol_bit_map {
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my ($pofile, $dbg) = @_;
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@ -910,6 +1070,9 @@ sub get_vol_bit_map {
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return @blocks;
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}
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#
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# Display blocks free map
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#
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sub freemap {
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my ($pofile, $dbg) = @_;
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64
proread.pl
Normal file
64
proread.pl
Normal file
@ -0,0 +1,64 @@
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#!/usr/bin/perl -w
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#
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# proread.pl:
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#
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# Utility to read a file out of an Apple II ProDOS .po disk image.
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#
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# 20190116 LSH
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#
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use strict;
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use ProDOS;
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my $mode = 'T';
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my $conv = 1;
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my $debug = 0;
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while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
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# Mode
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if ($ARGV[0] eq '-m' && defined $ARGV[1] && $ARGV[1] ne '') {
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# Text
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if ($ARGV[1] eq 'T') {
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$mode = 'T';
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$conv = 1;
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# Integer BASIC
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} elsif ($ARGV[1] eq 'I') {
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$mode = 'I';
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$conv = 0;
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# Applesoft
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} elsif ($ARGV[1] eq 'A') {
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$mode = 'A';
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$conv = 0;
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# Binary
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} elsif ($ARGV[1] eq 'B') {
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$mode = 'B';
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$conv = 0;
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# S
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} elsif ($ARGV[1] eq 'S') {
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$mode = 'S';
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$conv = 0;
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} else {
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die "Unknown mode for -m, must be T, I, A, B or S\n";
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}
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shift;
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shift;
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# Convert (carriage return to linefeed)
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} elsif ($ARGV[0] eq '-c') {
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$conv = 0;
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shift;
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# Debug
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} elsif ($ARGV[0] eq '-d') {
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$debug = 1;
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shift;
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}
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}
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my $pofile = shift or die "Must supply filename\n";
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my $filename = shift or die "Must supply filename\n";
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read_file($pofile, $filename, $mode, $conv, $debug);
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1;
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