[Simh] Announcement: back10

[Lars Brinkhoff]

Johnny Billquist wrote:
>> If we're casting votes, I'd put mine on ASCII-ANSI.  Because:
>>
>> - PDP-10 7-bit ASCII files are transformed into 8-bit ASCII files.
>> - It's simple.
>> - Words are always encoded into 5 octets.
>
> With one bit lost... (7*5 == 35)
> Maybe I'm missing the point here, but if you want to handle anything
> except 7bit text, then I think this format would fail...

The format I've seen called ANSI-ASCII does handle the last bit.  It
puts it at the top of the last octet.

So one 36-bit word AAAAAAABBBBBBBCCCCCCCDDDDDDDEEEEEEEF becomes the five
octets 0AAAAAAA 0BBBBBBB CCCCCCC 0DDDDDDD FEEEEEEE.