On 01/09/2017 03:33 PM, Jules Richardson wrote: > It seems unlikely that a simple system would resort to something > like frequency analysis of characters when encoding filenames, > though, particularly given the size of the data (the overhead would > probably not make it worthwhile) - so I'm guessing we should be > looking at "plain text", just with some unusual character size or > distribution. > > I did hack some quick code to alter the character size (6, 7 and 8 > bits), spacing between characters (0, 1 and 2 bits) and offset from > the start of the stream, then 'slide' the resulting data through the > ASCII table and search for the "LTER" name that you mentioned > previously, but without any luck. That does make the assumption that > values for A-Z are contiguous, which seems likely but not certain.
Given the simple 8080 architecture, we may be looking at "rotated" bits also; I don't know. But rest assured, every block after the first (directory) block contains text. There are no "hidden" file names. --Chuck
