[ih] Octal vs Hex Re: Dotted decimal notation
Kenneth Porter
shiva at sewingwitch.com
Tue Dec 29 14:14:36 PST 2020
--On Tuesday, December 29, 2020 4:57 PM -0500 Bill Ricker via
Internet-history <internet-history at elists.isoc.org> wrote:
> Since the PDP-11 was from DEC, Octal was the official binary
> representation *despite* the 16-bit wordsize; the frontpanel address/data
> load toggles were tinted in alternating triples same as on their 18- and
> 36-bit systems. (VAX11/780 dropped the frontpanel.)
Didn't the 11, like the 10, also have some 3-bit fields in the instruction
set? I recall that octal made it really easy to see field values in the
10's instructions.
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