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https://github.com/softwarejanitor/ProDOS.git
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Initial import, split off from DOS33
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415c09540b
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169
PO.pm
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169
PO.pm
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#!/usr/bin/perl -w
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package PO;
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#
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# PO.pm:
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#
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# Module for low level access to Apple II .PO disk images (ProDOS Order)
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#
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# 20190115 LSH
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#
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use strict;
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use Exporter::Auto;
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my $debug = 0;
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my $min_blk = 0; # Minimum block number
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my $max_blk = 280; # Maximum block number
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my $blk_size = 512; # Block size
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#
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# Read entire .po image.
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#
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sub read_po {
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my ($pofile) = @_;
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my %po = ();
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my $dfh;
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if (open($dfh, "<$pofile")) {
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for (my $blk = 0; $blk <= $max_blk; $blk++) {
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my $bytes_read = read($dfh, $po{$blk}, $blk_size);
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if (defined $bytes_read && $bytes_read == $blk_size) {
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print '.';
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} else {
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print "\nError reading $blk\n";
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}
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}
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print "\n";
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} else {
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print "Unable to open $pofile\n";
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}
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return %po;
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}
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#
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# Calculate position in .po file based on block.
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#
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sub calc_pos {
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my ($blk) = @_;
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my $pos = $blk * $blk_size;
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#print "pos=$pos\n";
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return $pos;
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}
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#
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# Hex dump of block
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#
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sub dump_blk {
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my ($buf) = @_;
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my @bytes = unpack "C$blk_size", $buf;
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print " ";
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for (my $c = 0; $c < 16; $c++) {
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print sprintf(" %1x ", $c);
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}
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print "\n";
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print " +------------------------------------------------\n";
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for (my $r = 0; $r < 32; $r++) {
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print sprintf("%02x| ", $r);
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for (my $c = 0; $c < 16; $c++) {
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print sprintf("%02x ", $bytes[($r * 16) + $c]);
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}
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print "\n";
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print " |";
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for (my $c = 0; $c < 16; $c++) {
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my $a = $bytes[($r * 16) + $c] & 0x7f;
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if (($a > 32) && ($a < 127)) {
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print sprintf(" %c ", $a);
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} else {
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print " ";
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}
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}
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print "\n";
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}
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print "\n";
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}
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#
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# Read block
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#
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sub read_blk {
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my ($pofile, $blk, $buf) = @_;
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#print "blk=$blk\n";
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my $dfh;
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my $pos = calc_pos($blk);
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if (open($dfh, "<$pofile")) {
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binmode $dfh;
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seek($dfh, $pos, 0);
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my $bytes_read = read($dfh, $$buf, $blk_size);
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close $dfh;
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if (defined $bytes_read && $bytes_read == $blk_size) {
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#print "bytes_read=$bytes_read\n";
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return 1;
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} else {
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print "Error reading $blk\n";
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}
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} else {
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print "Unable to open $pofile\n";
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}
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return 0;
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}
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sub clear_buf {
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my ($buf) = @_;
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$$buf = pack "C*", 0x00 x 512;
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}
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#
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# Write Track/Sector
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#
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sub write_blk {
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my ($pofile, $blk, $buf) = @_;
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#print "blk=$blk\n";
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my $dfh;
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my $pos = calc_pos($blk);
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if (open($dfh, "+<$pofile")) {
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binmode $dfh;
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seek($dfh, $pos, 0);
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print $dfh $buf;
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close $dfh;
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return 1;
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} else {
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print "Unable to write $pofile\n";
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}
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return 0;
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}
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1;
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11
README
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11
README
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TODO:
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prozap.pl -- partially working
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procat.pl -- partially working
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profree.pl -- partially working
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proread.pl -- partially working
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prowrite.pl
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prorename.pl
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prodelete.pl
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procopy.pl
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37
procat.pl
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37
procat.pl
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#!/usr/bin/perl -w
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#
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# procat.pl:
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#
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# Utility to get a 'catalog' (directory listing) of an Apple II ProDOS volume.
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#
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# 20190115 LSH
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#
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use strict;
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use ProDOS;
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my $debug = 0;
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my $blk = 0x0;
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while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
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if ($ARGV[0] eq '-d') {
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$debug = 1;
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shift;
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} elsif ($ARGV[0] eq '-b' && defined $ARGV[1] && $ARGV[1] =~ /^\d+$/) {
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$blk = $ARGV[1];
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shift;
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shift;
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} else {
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die "Unknown command line argument $ARGV[0]\n";
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}
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}
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my $pofile = shift or die "Must supply .po filename\n";
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cat($pofile, $debug);
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1;
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31
profree.pl
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31
profree.pl
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#!/usr/bin/perl -w
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#
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# profree.pl:
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#
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# Utility to get a free sector map of an Apple II ProDOS volume.
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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 $debug = 0;
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while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
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if ($ARGV[0] eq '-d') {
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$debug = 1;
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shift;
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} else {
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die "Unknown command line argument $ARGV[0]\n";
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}
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}
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my $pofile = shift or die "Must supply .po filename\n";
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freemap($pofile, $debug);
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1;
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66
proread.pl
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66
proread.pl
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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'; # T=Text
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my $conv = 1; # Convert \r to \n
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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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} else {
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die "Unknown command line argument $ARGV[0]\n";
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}
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}
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my $pofile = shift or die "Must supply .po filename\n";
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my $filename = shift or die "Must supply filename (on disk image)\n";
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read_file($pofile, $filename, $mode, $conv, $debug);
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1;
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119
prozap.pl
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119
prozap.pl
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#!/usr/bin/perl -w
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#
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# prozap.pl:
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#
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# Utility to edit a ProDOS block (.PO image).
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#
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# 20190115 LSH
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#
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use strict;
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use PO;
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my $debug = 0;
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my $blk = -1;
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my $dst_blk = -1;
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my $write = 0;
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my @mods = ();
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while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
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# Debug
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if ($ARGV[0] eq '-d') {
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$debug = 1;
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shift;
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# Block to read
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} elsif ($ARGV[0] eq '-b' && defined $ARGV[1] && $ARGV[1] =~ /^\d+$/) {
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$blk = $ARGV[1];
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shift;
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shift;
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# Destination block
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} elsif ($ARGV[0] eq '-db' && defined $ARGV[1] && $ARGV[1] =~ /^\d+$/) {
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$dst_blk = $ARGV[1];
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shift;
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shift;
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# Allow modifying data.
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} elsif ($ARGV[0] =~ /^-m([ahA])/ && defined $ARGV[1] && $ARGV[1] ne '') {
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my $typ = $1;
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print "$ARGV[1] typ=$typ\n" if $debug;
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if ($ARGV[1] =~ /^([0-9a-fA-F]+):\s*(.+)$/) {
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print "1=$1 2=$2\n" if $debug;
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push @mods, { 'typ' => $typ, 'addr' => $1, 'vals' => $2 };
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}
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shift;
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shift;
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} elsif ($ARGV[0] eq "-w") {
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$write = 1;
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shift;
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} else {
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die "Unknown command line argument $ARGV[0]\n";
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}
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}
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my $pofile = shift or die "Must supply .po filename\n";
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die "Must supply block number 0-280\n" unless $blk >= 0 && $blk <= 280;
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$dst_blk = $blk unless $dst_blk >= 0;
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my $buf;
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# Read the block
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if (read_blk($pofile, $blk, \$buf)) {
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# Display the data in the block.
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dump_blk($buf);
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# Allow modifying the data.
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if ($write) {
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print "WRITING $dst_blk\n" if $debug;
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# Unpack the data in the block
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my @bytes = unpack "C512", $buf;
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# Process each modification.
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foreach my $mod (@mods) {
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my @mbytes = ();
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if ($mod->{'typ'} eq 'a') {
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print "ASCII vals=$mod->{'vals'}\n" if $debug;
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# Normal ASCII
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@mbytes = map { pack('C', ord($_)) } ($mod->{'vals'} =~ /(.)/g);
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} elsif ($mod->{'typ'} eq 'A') {
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print "HEX vals=$mod->{'vals'}\n" if $debug;
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# Apple II ASCII
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@mbytes = map { pack('C', ord($_) | 0x80) } ($mod->{'vals'} =~ /(.)/g);
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} elsif ($mod->{'typ'} eq 'h') {
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print "A2 ASCII vals=$mod->{'vals'}\n" if $debug;
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# HEX
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@mbytes = map { pack('C', hex(lc($_))) } ($mod->{'vals'} =~ /(..)/g);
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}
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my $addr = hex($mod->{'addr'});
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print "addr=$addr\n" if $debug;
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foreach my $byte (@mbytes) {
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print sprintf("byte=%02x\n", ord($byte)) if $debug;
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$bytes[$addr++] = ord($byte);
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}
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}
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# Re-pack the data in the block
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$buf = pack "C*", @bytes;
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# Write the destination block (default to block read).
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if (write_blk($pofile, $dst_blk, $buf)) {
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# Read the block back in.
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if (read_blk($pofile, $dst_blk, \$buf)) {
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# Display the data in the modified block.
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dump_blk($buf);
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} else {
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print "Failed final read!\n";
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}
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} else {
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print "Failed write!\n";
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}
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}
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} else {
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print "Failed initial read!\n";
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}
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1;
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