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26 lines
677 B
Ruby
26 lines
677 B
Ruby
#
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# Vice will treat a cartridge bin file that is of an even length as if the first 2 bytes in the file are a load address to be skipped over
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# so we want to make sure the bin file is an odd length - specifically 8193 bytes
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#
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PAD_BYTE=0xff.chr
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filename=ARGV[0]
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if filename.nil? then
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puts "no filename specified"
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exit
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end
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if ARGV[1].nil? then
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puts "no padding length specified"
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exit
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end
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file_length=ARGV[1].to_i
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infile=File.open(filename,"rb").read
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puts "fixing length of #{filename} from #{infile.length} to #{file_length} bytes"
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outfile=File.open(filename,"wb")
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outfile<<infile
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outfile<<PAD_BYTE*(file_length-infile.length)
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outfile.close |