Byte sizes (was Re: 2.8M 3.5' floppy - test-drb@ccmp.vtda.org

14 Mar 2005

On Mar 14 2005, 12:19, woodelf wrote:
...
  der Mouse wrote:

 >By the "byte = addressing unit" definition?  It's been a while since
I
...
  >had a PDP-8 (I had an -8/f but I long ago gave it
to a collector much
...
  >more serious than I), but I'm fairly sure the
addressing unit was the
...
  12-bit word.

 Addressing unit is WORDS... How ever text can and often was packed in 6
...
  bit nibbles?
 The real gotya on the old machines... UPPER CASE ASCII ONLY. 
Who told you that?  It's true of Teletype ASR33s, but not of the
machines themselves.  I've happily done things in mixed-case ASCII on
my PDP-8/E.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York