# File lib/DSK.rb, line 225
        def dump_sector(track,sector)
    require 'DumpUtilities'
                start_byte=track.to_i*16*256+sector.to_i*256
                s=hline
                s<<sprintf("TRACK: $%02X SECTOR $%02X\ OFFSET $%04X\n",track,sector,start_byte)
                sector_data=get_sector(track,sector)
                s<< DumpUtilities.hex_dump(sector_data)
                s
        end