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toni32 |
####*****************************************************************************************
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####**
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####** Disclaimer: LIMITED WARRANTY AND DISCLAMER. These designs are
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####** provided to you "as is". Xilinx and its licensors make and you
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####** receive no warranties or conditions, express, implied, statutory
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####** or otherwise, and Xilinx specifically disclaims any implied
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####** warranties of merchantability, non-infringement, or fitness for a
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####** particular purpose. Xilinx does not warrant that the functions
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####** contained in these designs will meet your requirements, or that the
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####** operation of these designs will be uninterrupted or error free, or
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####** that defects in the Designs will be corrected. Furthermore, Xilinx
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####** does not warrant or make any representations regarding use or the
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####** results of the use of the designs in terms of correctness, accuracy,
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####** reliability, or otherwise.
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####**
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####** LIMITATION OF LIABILITY. In no event will Xilinx or its licensors be
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####** liable for any loss of data, lost profits, cost or procurement of
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####** substitute goods or services, or for any special, incidental,
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####** consequential, or indirect damages arising from the use or operation
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####** of the designs or accompanying documentation, however caused and on
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####** any theory of liability. This limitation will apply even if Xilinx
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####** has been advised of the possibility of such damage. This limitation
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####** shall apply not-withstanding the failure of the essential purpose of
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####** any limited remedies herein.
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####**
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####*****************************************************************************************
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print "**********************************\n";
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print "*\n";
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print "* Preliminary script v1.01\n";
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print "* Author: Stephan Neuhold\n";
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print "*\n";
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print "**********************************\n\n";
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#
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#
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#
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#
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################################
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################################
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#Default commandline switch settings
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%default = ( -f => mcs,
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-swap => off,
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-uf => user.txt,
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-pf => prom.mcs);
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#
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#
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#
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#
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################################
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################################
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#Define USAGE of script
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sub usage
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{
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if ($argument eq "-f")
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{
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print "You have not specified a PROM file format!\n"
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}
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elsif ($argument eq "-swap")
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{
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print "You have not specified if bits should be swapped or not!\n"
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}
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elsif ($argument eq "-uf")
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{
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print "You have not specified a file containing user data!\n"
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}
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elsif ($argument eq "-pf")
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{
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print "You have not specifed a PROM file!\n"
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}
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print "usage:\n
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pc.pl [-f : PROM file format {mcs|hex}] [-swap : bits should be swapped {on|off}] [-uf : user data file {<filename.ext>}] [-pf : PROM file {filename.ext}]\n
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-f = PROM file format used
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mcs => Intel file format
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hex => Simple hex file format\n
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-swap = Specify if bits are to be swapped
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on => swaps bits in every byte
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off => bits are not swapped\n
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-uf = File containing user data to be added to PROM file\n
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-pf = PROM file to which user data is to be added\n\n";
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}
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#
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#
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#
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#
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################################
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################################
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#Place command line arguments into hash
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%commandline_arguments = @ARGV;
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#
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#
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#
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#
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################################
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################################
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#Check if all necessary arguments have been given and store them seperately
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foreach $argument(keys (%default))
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{
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if (exists($commandline_arguments{$argument}))
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{
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if ($argument eq "-f")
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{
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$format = $commandline_arguments{$argument};
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}
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elsif ($argument eq "-swap")
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{
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$do_swap = $commandline_arguments{$argument};
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}
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elsif ($argument eq "-uf")
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{
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$user_file = $commandline_arguments{$argument};
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}
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elsif ($argument eq "-pf")
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{
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$prom_file = $commandline_arguments{$argument};
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}
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}
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else
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{
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print usage($argument);
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exit;
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}
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}
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#
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#
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#
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#
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################################
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################################
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#Initialise all variables
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$prom_line_number = 0;
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$user_line_number = 0;
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#
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#
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#
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#
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################################
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################################
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#Print settings used
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print "\n\n";
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print "Running script with following settings:\n";
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print " PROM file format ==> $format\n";
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print " Bit swapping ==> $do_swap\n";
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print " User data file ==> $user_file\n";
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print " Original PROM file ==> $prom_file\n\n\n";
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print "New PROM file is ==> new_$prom_file\n\n";
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#
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#
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#
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#
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################################
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################################
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#Open files and begin processing
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open (PROM_FILE, "<$prom_file") || die "Cannot open file $prom_file: $!";
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open (NEW_PROM_FILE, ">new_$prom_file") || die "Cannot open file new_$prom_file: $!";
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open (USER_DATA, "<$user_file") || die "Cannot open file $user_file: $!";
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while (<PROM_FILE>)
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{
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$current_prom_line = $_;
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#Process "mcs" file format
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if ($format eq "mcs")
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{
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print "Copying original PROM line number $prom_line_number... \r";
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$prom_line_number = $prom_line_number + 1;
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#Get the last information for record type "04"
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get_current_mcs_prom_line_data();
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#If the current PROM line is not the last line in the PROM
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#file then just print it into the new PROM file. If the line
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#is the last line in the PROM file then we take the previous
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#line and find its address, so we can add a new line, with
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#new data at the next address. Also, we calculate a checksum
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#for the new line in the PROM file and append that to the new
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#PROM line.
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if ($current_prom_line =~ /\:00000001FF$/)
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{
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print "\n";
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#New address offset starts at 0
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$new_address_offset = 0;
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#Add user data to PROM file
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while (<USER_DATA>)
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{
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chomp;
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if ($_ =~ /^\#/)
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{
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#Ignoring comments
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print "Ignoring comment\r";
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}
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elsif ($_ =~ /\#/g)
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{
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@split_user_line = split(/\#/, $_);
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$current_user_line = @split_user_line[0];
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print "Processing USER line $user_line_number... \r";
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$user_line_number = $user_line_number + 1;
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#Calculate the new address
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get_mcs_address();
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}
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else
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{
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$current_user_line = $_;
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print "Processing USER line $user_line_number... \r";
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$user_line_number = $user_line_number + 1;
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#Calculate the new address
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get_mcs_address();
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}
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}
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print NEW_PROM_FILE $current_prom_line;
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}
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else
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{
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#Print the line to the new PROM file unchanged
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print NEW_PROM_FILE $current_prom_line;
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#Store the current line for use in next iteration
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$previous_prom_line = $current_prom_line;
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}
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}
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elsif ($format eq "hex")
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{
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#Print the original PROM file contents to the new PROM file.
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if ($do_swap eq "on")
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{
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$current_prom_line = $_;
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print "Copying original PROM line number $prom_line_number...\r";
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$prom_line_number = $prom_line_number + 1;
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print NEW_PROM_FILE $current_prom_line;
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print "\n";
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while (<USER_DATA>)
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{
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if ($_ =~ /^\#/)
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{
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print "Ignoring comment\r";
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}
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elsif ($_ =~ /\#/g)
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{
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chomp;
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@split_user_line = split(/\#/, $_);
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$current_user_line = @split_user_line[0];
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print "Processing USER line $user_line_number... \r";
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$user_line_number = $user_line_number + 1;
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#Extract bytes from user data
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(@bytes_hex) = unpack("A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2", $current_user_line);
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foreach $byte_hex(@bytes_hex)
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{
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#Convert hex to decimal
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$byte_dec = hex($byte_hex);
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#Convert decimal to binary
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$byte_binary = decimal2binary($byte_dec);
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#Get the last eight bits
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$last_eight_bits = substr($byte_binary, -8);
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#Extract each bit
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(@last_eight_bits_not_swapped) = unpack("A1 A1 A1 A1 A1 A1 A1 A1", $last_eight_bits);
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#Bit swap each bit
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@last_eight_bits_swapped = reverse(@last_eight_bits_not_swapped);
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$byte_swapped_bin = 0;
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#Concatenate the bits to form a byte
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260 |
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foreach $bit(@last_eight_bits_swapped)
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{
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$byte_swapped_bin = $byte_swapped_bin.$bit;
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}
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#Convert binary to decimal
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$byte_swapped_dec = binary2decimal($byte_swapped_bin);
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#Convert decimal to hex
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$byte_swapped_hex = sprintf "%lx", $byte_swapped_dec;
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#Get the last byte
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$byte_hex = substr($byte_swapped_hex, -2);
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#If the value is less than 0x0F then concatenate a "0" to the front
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if ($byte_swapped_dec <= 15)
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{
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$byte_hex = "0$byte_hex";
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}
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275 |
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print NEW_PROM_FILE uc("$byte_hex");
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}
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277 |
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}
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else
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279 |
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{
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280 |
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chomp;
|
281 |
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$current_user_line = $_;
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282 |
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print "Processing USER line $user_line_number... \r";
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283 |
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$user_line_number = $user_line_number + 1;
|
284 |
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#Extract bytes from user data
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285 |
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(@bytes_hex) = unpack("A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2", $current_user_line);
|
286 |
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foreach $byte_hex(@bytes_hex)
|
287 |
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{
|
288 |
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#Convert hex to decimal
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289 |
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$byte_dec = hex($byte_hex);
|
290 |
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#Convert decimal to binary
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291 |
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$byte_binary = decimal2binary($byte_dec);
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292 |
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#Get the last eight bits
|
293 |
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$last_eight_bits = substr($byte_binary, -8);
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294 |
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#Extract each bit
|
295 |
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(@last_eight_bits_not_swapped) = unpack("A1 A1 A1 A1 A1 A1 A1 A1", $last_eight_bits);
|
296 |
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#Bit swap each bit
|
297 |
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@last_eight_bits_swapped = reverse(@last_eight_bits_not_swapped);
|
298 |
|
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$byte_swapped_bin = 0;
|
299 |
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#Concatenate the bits to form a byte
|
300 |
|
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foreach $bit(@last_eight_bits_swapped)
|
301 |
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{
|
302 |
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$byte_swapped_bin = $byte_swapped_bin.$bit;
|
303 |
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}
|
304 |
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#Convert binary to decimal
|
305 |
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$byte_swapped_dec = binary2decimal($byte_swapped_bin);
|
306 |
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#Convert decimal to hex
|
307 |
|
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$byte_swapped_hex = sprintf "%lx", $byte_swapped_dec;
|
308 |
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#Get the last byte
|
309 |
|
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$byte_hex = substr($byte_swapped_hex, -2);
|
310 |
|
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#If the value is less than 0x0F then concatenate a "0" to the front
|
311 |
|
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if ($byte_swapped_dec <= 15)
|
312 |
|
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{
|
313 |
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$byte_hex = "0$byte_hex";
|
314 |
|
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}
|
315 |
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print NEW_PROM_FILE uc("$byte_hex");
|
316 |
|
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}
|
317 |
|
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}
|
318 |
|
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}
|
319 |
|
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}
|
320 |
|
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#Simply print the original file and then the user data
|
321 |
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#into the new PROM file.
|
322 |
|
|
elsif ($do_swap eq "off")
|
323 |
|
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{
|
324 |
|
|
$current_prom_line = $_;
|
325 |
|
|
print "Copying original PROM line number $prom_line_number...\r";
|
326 |
|
|
$prom_line_number = $prom_line_number + 1;
|
327 |
|
|
print NEW_PROM_FILE $current_prom_line;
|
328 |
|
|
print "\n";
|
329 |
|
|
while (<USER_DATA>)
|
330 |
|
|
{
|
331 |
|
|
if ($_ =~ /^\#/)
|
332 |
|
|
{
|
333 |
|
|
print "Ignoring comment\r";
|
334 |
|
|
}
|
335 |
|
|
elsif ($_ =~ /\#/g)
|
336 |
|
|
{
|
337 |
|
|
chomp;
|
338 |
|
|
@split_user_line = split(/\#/, $_);
|
339 |
|
|
$current_user_line = @split_user_line[0];
|
340 |
|
|
print "Processing USER line $user_line_number... \r";
|
341 |
|
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$user_line_number = $user_line_number + 1;
|
342 |
|
|
print NEW_PROM_FILE uc("$current_user_line");
|
343 |
|
|
}
|
344 |
|
|
else
|
345 |
|
|
{
|
346 |
|
|
chomp;
|
347 |
|
|
print "Processing USER line $user_line_number... \r";
|
348 |
|
|
$user_line_number = $user_line_number + 1;
|
349 |
|
|
$current_user_line = $_;
|
350 |
|
|
print NEW_PROM_FILE uc("$current_user_line");
|
351 |
|
|
}
|
352 |
|
|
}
|
353 |
|
|
}
|
354 |
|
|
}
|
355 |
|
|
}
|
356 |
|
|
close (USER_DATA) || die "Cannot close file $user_file: $!";
|
357 |
|
|
close (PROM_FILE) || die "Cannot close file $prom_file: $!";
|
358 |
|
|
close (NEW_PROM_FILE) || die "Cannot close file new_$prom_file: $!";
|
359 |
|
|
print "\nDONE...\n";
|
360 |
|
|
#
|
361 |
|
|
#
|
362 |
|
|
#
|
363 |
|
|
#
|
364 |
|
|
################################
|
365 |
|
|
################################
|
366 |
|
|
#Get the data from the current prom line
|
367 |
|
|
sub get_current_mcs_prom_line_data
|
368 |
|
|
{
|
369 |
|
|
($start_character, $byte_count_hex) = unpack("A1 A2", $current_prom_line);
|
370 |
|
|
#Convert byte count from hex to decimal
|
371 |
|
|
$byte_count_dec = hex($byte_count_hex);
|
372 |
|
|
$byte_count_dec = $byte_count_dec * 2;
|
373 |
|
|
#Based on byte count get other fields from the PROM line
|
374 |
|
|
( $start_character,
|
375 |
|
|
$byte_count_hex,
|
376 |
|
|
$address_hex[0],
|
377 |
|
|
$address_hex[1],
|
378 |
|
|
$record_type_hex,
|
379 |
|
|
$all_data_hex,
|
380 |
|
|
$checksum_hex
|
381 |
|
|
) = unpack("A1 A2 A2 A2 A2 A$byte_count_dec A2", $current_prom_line);
|
382 |
|
|
#If this is a "04" record type then store its information
|
383 |
|
|
if ($record_type eq "04")
|
384 |
|
|
{
|
385 |
|
|
$last_04_record_data_hex = $all_data_hex;
|
386 |
|
|
}
|
387 |
|
|
}
|
388 |
|
|
#
|
389 |
|
|
#
|
390 |
|
|
#
|
391 |
|
|
#
|
392 |
|
|
################################
|
393 |
|
|
################################
|
394 |
|
|
#Calculate the new address to be used
|
395 |
|
|
sub get_mcs_address
|
396 |
|
|
{
|
397 |
|
|
#Get the address from the PROM file
|
398 |
|
|
($address_hex) = unpack("x3 A4", $previous_prom_line);
|
399 |
|
|
#Convert the hex address to decimal
|
400 |
|
|
$address_dec = hex($address_hex);
|
401 |
|
|
#Calculate new address value based on existing address value
|
402 |
|
|
if ($address_dec eq "65520")
|
403 |
|
|
{
|
404 |
|
|
#Store current user data temporarily
|
405 |
|
|
$temporary_current_user_line = $current_user_line;
|
406 |
|
|
#New address starts at zero
|
407 |
|
|
$new_address_dec = 0;
|
408 |
|
|
$new_address_hex = "0000";
|
409 |
|
|
($address_hex[0], $address_hex[1]) = unpack("A2 A2", $new_address_hex);
|
410 |
|
|
$address_dec[0] = hex($address_hex[0]);
|
411 |
|
|
$address_dec[1] = hex($address_hex[1]);
|
412 |
|
|
$new_address_offset = 0;
|
413 |
|
|
#Convert hex record data to decimal
|
414 |
|
|
$new_04_record_data_dec = hex($last_04_record_data_hex);
|
415 |
|
|
#Calculate new record "04" data
|
416 |
|
|
$new_04_record_data_dec = $new_04_record_data_dec + 1;
|
417 |
|
|
#Convert to hex
|
418 |
|
|
$new_04_record_data_hex = sprintf "%lx", $new_04_record_data_dec;
|
419 |
|
|
#Store for next use
|
420 |
|
|
$last_04_record_data_hex = $new_04_record_data_hex;
|
421 |
|
|
#Make data at least 4 characters long (i.e. 2 data bytes)
|
422 |
|
|
$length = length($new_04_record_data_hex);
|
423 |
|
|
if ($length > 4)
|
424 |
|
|
{
|
425 |
|
|
die "Record data is too large....Quitting: $!";
|
426 |
|
|
}
|
427 |
|
|
else
|
428 |
|
|
{
|
429 |
|
|
for ($i = 0; $i < 4 - $length; $i++)
|
430 |
|
|
{
|
431 |
|
|
$new_04_record_data_hex = "0$new_04_record_data_hex";
|
432 |
|
|
}
|
433 |
|
|
}
|
434 |
|
|
#Define new record data
|
435 |
|
|
$byte_count_hex = "02";
|
436 |
|
|
$byte_count_dec = hex($byte_count_hex);
|
437 |
|
|
$record_type_hex = "04";
|
438 |
|
|
$record_type_dec = hex($record_type_hex);
|
439 |
|
|
$current_user_line = $new_04_record_data_hex;
|
440 |
|
|
#Calculate checksum for new "04" record
|
441 |
|
|
calculate_mcs_checksum();
|
442 |
|
|
#Print new "04" record to new PROM file
|
443 |
|
|
print NEW_PROM_FILE uc(":$byte_count_hex$new_address_hex$record_type_hex$new_04_record_data_hex$checksum_hex\n");
|
444 |
|
|
$previous_prom_line = uc(":$byte_count_hex$new_address_hex$record_type_hex$new_04_record_data_hex$checksum_hex\n");
|
445 |
|
|
#Restore current user data from temporary storage
|
446 |
|
|
$current_user_line = $temporary_current_user_line;
|
447 |
|
|
}
|
448 |
|
|
else
|
449 |
|
|
{
|
450 |
|
|
#Calculate the offset for the next address to be used in the PROM file
|
451 |
|
|
$new_address_offset = 16;#$new_address_offset + 16;
|
452 |
|
|
#Calculate the new address
|
453 |
|
|
$new_address_dec = $address_dec + $new_address_offset;
|
454 |
|
|
}
|
455 |
|
|
#Convert new address to hex
|
456 |
|
|
$new_address_hex = sprintf "%lx", $new_address_dec;
|
457 |
|
|
#Make address at least 4 characters long (i.e. 2 address bytes)
|
458 |
|
|
$length = length($new_address_hex);
|
459 |
|
|
if ($length > 4)
|
460 |
|
|
{
|
461 |
|
|
die "Address is too large....Quitting: $!";
|
462 |
|
|
}
|
463 |
|
|
else
|
464 |
|
|
{
|
465 |
|
|
for ($i = 0; $i < 4 - $length; $i++)
|
466 |
|
|
{
|
467 |
|
|
$new_address_hex = "0$new_address_hex";
|
468 |
|
|
}
|
469 |
|
|
}
|
470 |
|
|
($address_hex[0], $address_hex[1]) = unpack("A2 A2", $new_address_hex);
|
471 |
|
|
$address_dec[0] = hex($address_hex[0]);
|
472 |
|
|
$address_dec[1] = hex($address_hex[1]);
|
473 |
|
|
$byte_count_dec = "16";
|
474 |
|
|
$byte_count_hex = "10";
|
475 |
|
|
$record_type_dec = "00";
|
476 |
|
|
$record_type_hex = "00";
|
477 |
|
|
#Calculate checksum for current user data
|
478 |
|
|
calculate_mcs_checksum();
|
479 |
|
|
#Print new data to new PROM file
|
480 |
|
|
print NEW_PROM_FILE uc(":$byte_count_hex$new_address_hex$record_type_hex$current_user_line$checksum_hex\n");
|
481 |
|
|
$previous_prom_line = uc(":$byte_count_hex$new_address_hex$record_type_hex$current_user_line$checksum_hex\n");
|
482 |
|
|
}
|
483 |
|
|
#
|
484 |
|
|
#
|
485 |
|
|
#
|
486 |
|
|
#
|
487 |
|
|
################################
|
488 |
|
|
################################
|
489 |
|
|
#Calculate the checksum for the new line
|
490 |
|
|
sub calculate_mcs_checksum
|
491 |
|
|
{
|
492 |
|
|
$skip = 0;
|
493 |
|
|
$data_sum_hex = 0;
|
494 |
|
|
$data_sum_dec = 0;
|
495 |
|
|
#Based on byte count get individual data bytes and their sum
|
496 |
|
|
for ($d = 0; $d < $byte_count_dec; $d++)
|
497 |
|
|
{
|
498 |
|
|
($data_hex[$d]) = unpack("x$skip A2", $current_user_line);
|
499 |
|
|
$skip = $skip + 2;
|
500 |
|
|
#Convert data byte to decimal format
|
501 |
|
|
$data_dec[$d] = hex($data_hex[$d]);
|
502 |
|
|
#Add all data bytes together
|
503 |
|
|
$data_sum_dec = $data_sum_dec + $data_dec[$d];
|
504 |
|
|
#convert decimal to hex format
|
505 |
|
|
$data_sum_hex = sprintf "%lx", $data_sum_dec;
|
506 |
|
|
}
|
507 |
|
|
#Add all fields together
|
508 |
|
|
$all_sum_dec = $data_sum_dec + $byte_count_dec + $address_dec[0] + $address_dec[1] + $record_type_dec;
|
509 |
|
|
#Convert the decimal sum to hex format
|
510 |
|
|
$all_sum_hex = sprintf "%lx", $all_sum_dec;
|
511 |
|
|
#Get the last two bytes of the hex sum
|
512 |
|
|
$last_two_bytes_of_sum_hex = substr($all_sum_hex, -2);
|
513 |
|
|
#Convert the last two bytes of the hex sum to decimal format
|
514 |
|
|
$last_two_bytes_of_sum_dec = hex($last_two_bytes_of_sum_hex);
|
515 |
|
|
#Invert the bits - 1's complement
|
516 |
|
|
$inverted_dec = $last_two_bytes_of_sum_dec ^ 255;
|
517 |
|
|
#Convert the 1's complement to hex format
|
518 |
|
|
$inverted_hex = sprintf "%lx", $inverted_dec;
|
519 |
|
|
#Get the last two bytes of 1's complement in hex format
|
520 |
|
|
$last_two_bytes_of_inverted_dec = hex($inverted_hex);
|
521 |
|
|
#Add 1 to last two bytes - 2's complement
|
522 |
|
|
$checksum_dec = $last_two_bytes_of_inverted_dec + 1;
|
523 |
|
|
#Convert 2's complement to hex format
|
524 |
|
|
$last_two_bytes_2s_hex = uc(sprintf "%lx", $checksum_dec);
|
525 |
|
|
#Get the last two bytes of hex 2's compliment
|
526 |
|
|
($checksum_he) = substr($last_two_bytes_2s_hex, -2);
|
527 |
|
|
#If value is less than two characters then add a '0'
|
528 |
|
|
if ($checksum_dec <= 15)
|
529 |
|
|
{
|
530 |
|
|
$checksum_hex = "0$checksum_he";
|
531 |
|
|
}
|
532 |
|
|
else
|
533 |
|
|
{
|
534 |
|
|
$checksum_hex = $checksum_he;
|
535 |
|
|
}
|
536 |
|
|
}
|
537 |
|
|
#
|
538 |
|
|
#
|
539 |
|
|
#
|
540 |
|
|
#
|
541 |
|
|
################################
|
542 |
|
|
################################
|
543 |
|
|
#Decimal to binary representation conversion
|
544 |
|
|
sub decimal2binary
|
545 |
|
|
{
|
546 |
|
|
my $bin_value = unpack("B32", pack("N", shift));
|
547 |
|
|
$bin_value =~ s/^0+(?=d)//;
|
548 |
|
|
return $bin_value;
|
549 |
|
|
}
|
550 |
|
|
#
|
551 |
|
|
#
|
552 |
|
|
#
|
553 |
|
|
#
|
554 |
|
|
################################
|
555 |
|
|
################################
|
556 |
|
|
#Binary to decimal representation conversion
|
557 |
|
|
sub binary2decimal
|
558 |
|
|
{
|
559 |
|
|
return unpack("N", pack("B32", substr("0" x 32 . shift, -32)));
|
560 |
|
|
}
|