# File lib/image_formats/JvcDsk.rb, line 68
def get_sector(track,sector)  
  start_byte=track*@sectors_per_track*@sector_length+(sector-@first_sector_id)*@sector_length
  start_byte += @header_size
  
  #puts "Track: #{track}, sector: #{sector}, start_byte: #{start_byte}"
  @file_bytes[start_byte,@sector_length]
end