26) Type < D 550E > and cursor-down a few bytes. You should see a 
          dongle-check routine that looks like:
      
       550E  LDA $01
             AND #$30
             ORA #$8C
             STA $3A4E
      
       The byte we changed using the DISK DOCTOR on track 20, sector 1
       changed the "AND #$30" instruction to "AND #$20". This
       permanently masks out the dongle-bit to a "0" value, so the
       computer "thinks" that the dongle is actually in place.
      
      27) Type < D 575D > and cursor-down a few bytes. You should see:
      
       575D  LDA $01
             LSR
             STA $A01F
             AND #$0F
             STA $A027
      
          The byte we changed on track 20, sector 2 changed the "AND
          #$0F" instruction to "AND #$07". This also masks out the dongle
          bit from location $01 to appear to be on (0 bit).
      
      28) After all changes have been made, your Tenth Frame disk is
          completely broken and the dongle is no longer necessary.
      
      < < < RAPIDLOK PROTECTION REVEALED > > >
      
      Most Commodore users are aware of the standard format that the 
      1541/71 disk drives read. We can load and save programs, directory 
      the disk, and perform a variety of other commands. The program
      code that knows how to execute all these functions is stored within
      the ROM's of the disk drive. Most Disk-Drive Operating Systems are
      called "DOS". RapidLok is a recent protection scheme that has 
      appeared on the disks of some recent big-name producers (Accolade, 
      Avalon Hill, Microprose...), and uses its own "DOS" system to load 
      files. RapidLok disks will usually have only track 18 standard 
      formatted, the rest of the tracks being formatted in the RapidLok 
      manner. The RapidLok DOS resides in an encoded format on track 18, 
      sectors 18, 15, 12, 9, 6, and 3. Each time a file is loaded through 
      RapidLok, a short machine-language auto-boot file loads the 
      RapidLok DOS from track 18 and stores it in the disk-drive memory 
      from $0300-07FF. Currently, we know of 6 different versions of 
      RapidLok DOS. Each relies on the same basic track formatting, but
      
            K.J. REVEALED TRILOGY    PAGE [87]     (C)1990 K.J.P.B.