13 Dec
2021
13 Dec
'21
1:30 a.m.
On 2021-12-13 01:23, Paul Koning wrote:
Interesting. So the CRC is indeed incorrect. I wonder what generated the
CRC then, or how it got corrupted. Because the DDCMP header for sure
looked perfectly correct. I did decode that much.
Which would suggest that it's just a badly generated CRC on the sender side.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
On Dec 12, 2021, at 6:49 PM, Johnny Billquist
<bqt at softjar.se> wrote:
By the way. The logs that were included early on complained about checksum errors, but
looked like they understood things pretty fine otherwise.
Could there be some error in the CRC calculation in simh compared to what DEC is doing? I
didn't fancy computing the CRC to verify if it was correct, but I guess someone could
do that?
I did, the error message is correct. I have a CRC (in PyDECnet) that's been tested
against the software DDCMP in RSTS, which in turn has been tested against a DMC.