The DECtape format as such, with all the headers and so on, is the
same on all tapes. A normal PDP-8 formatted tape will have 129
(12-bit) words, however, while a PDP-10 (or any other 18-bitter) would
have 128 18-bit words (if I remember right).
Pretty much right. 129 may be slightly
On 2013-03-19 14:03, Timothe Litt wrote:
The DECtape format as such, with all the headers and so on, is the
same on all tapes. A normal PDP-8 formatted tape will have 129
(12-bit) words, however, while a PDP-10 (or any other 18-bitter) would
have 128 18-bit words (if I remember right).
Pretty
To: simh@trailing-edge.com
Subject: Re: [Simh] PIP10 on PDP-8 SIM
The DECtape format as such, with all the headers and so on, is the same on all
tapes. A normal PDP-8 formatted tape will have 129 (12-bit) words, however,
while a PDP-10 (or any other 18-bitter) would have 128 18-bit words (if I
] *On Behalf Of *Timothe Litt
*Sent:* Tuesday, 19 March 2013 9:03 AM
*To:* simh@trailing-edge.com
*Subject:* Re: [Simh] PIP10 on PDP-8 SIM
The DECtape format as such, with all the headers and so on, is the
same on all tapes. A normal PDP-8 formatted tape will have 129
(12-bit) words, however
This communication may not represent my employer's views,
if any, on the matters discussed.
Consider a timesharing system, with 4 users each trying to transfer from
their own DTA. With a TC11, you serviced user 1, user, 3, user 4, user
2 sequentially. The controller was tied up for the
On 2013-03-19 14:56, Timothe Litt wrote:
This communication may not represent my employer's views,
if any, on the matters discussed.
Consider a timesharing system, with 4 users each trying to transfer from
their own DTA. With a TC11, you serviced user 1, user, 3, user 4, user
2 sequentially.
Well, there's
http://www.filewatcher.com/b/ftp/sunsite.unc.edu/pub/academic/computer-science/history/pdp-8/os8-0.html,
which has V3d (and sources)...
This communication may not represent my employer's views,
if any, on the matters discussed.
On 18-Mar-13 12:44, Bob Supnik wrote:
I was trying
On 2013-03-18 17:44, Bob Supnik wrote:
I was trying to get a debug setup for PIP10, per Ian King's mail, when I
discovered that none of my OS/8 images have PIP10 on them. This
certainly explains why the feature has never been tested before. I
suspect that ReadAll and WriteAll either are not
