[ih] NCP and TCP implementations

Leo Vegoda leo at vegoda.org
Tue Mar 10 10:19:37 PDT 2020

On Tue, Mar 10, 2020 at 9:02 AM Bob Hinden via Internet-history
<internet-history at elists.isoc.org> wrote:


> I later did a TCP implementation for the TAC in H-316 assembly language.
> Was lots of fun doing 32-bit segment calculations on a machine with 15-bit arithmetic.

Do you know why the designers of the TAC chose 15-bit arithmetic for it?



More information about the Internet-history mailing list