# File lib/DSK.rb, line 236
        def disassemble_sector(track,sector)
                require 'D65'
                sector_data=get_sector(track,sector)
                if (track==0) && (sector==0) then
                        return D65.disassemble(sector_data[1..255],0x801)
                else
                        return D65.disassemble(sector_data)
                end
        end