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Merge Bob Supnik's code base as of 3/1/2020

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Mark Pizzolato 2020-03-01 18:29:52 -08:00
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Notes For V3.10
3.10 is mostly an attempt to get aligned with the current head of the
GitHub 4.0 sources. While the core libraries and SCP have diverged too
far for real forward and backward compatibility, enough 4.0 workalikes
have been added to allow much closer convergence of the two streams.
3.10 will provide the basis for my future simulation work.
1. New Features
1.1 SCP and libraries
- -n added in ATTACH, meaning "force empty file".
1.2 1401
- Option to read cards from the console terminal window.
- Option to print line printer output in the console terminal window.
1.3 1620
- Tab stop support added to console terminal.
- Deferred IO added for console terminal and paper-tape reader/punch.
1.4 PDP-8
- LOAD command now supports multi-segment binary tapes.
1.5 PDP11
- Added RS03/RS04 Massbus fixed head disk support.
1.6 PDP10
- LOAD command now supports ITS RIM format.
1.7 PDP15
- Added DR15/UC15 support for PDP15/76.
1.8 UC15
- New simulator, variant on standard PDP11, for PDP15/76 configuration.
1.7 HP3000
- New simulator (from Dave Bryan).
1.8 HP2100
- Complete overhaul; essentially a new simulator (from Dave Bryan).
1.9 AltairZ80, IBM 1130, SWTP 6800
- Removed. These sources have moved on to the 4.0 base. The versions
I had were too far removed from current source to be useful.
1.10 Sigma
- New simulator (moved out of beta).
2. Bugs Fixed
Please see the revision history on http://simh.trailing-edge.com or
in the source module sim_rev.h.
3. Status Report
The main branch of SimH is maintained in a public repository
https://github.com/simh/simh
under the general editorship of Mark Pizzolato. The 3.10 branch provides
a simpler environment for debugging, for my taste.
Because of divergences between 3.X and 4.0, certain features in 4.0
cannot work in 3.X and are not present:
PDP11/VAX/PDP10 - DUP11 and DMC11 synchronous network interfaces
PDP10 - front-end keep-alive timer
H316 - IMP network interface
In addition, the PDP11 DZ, VH, XQ, and XU implementations are significantly
"down rev" compared to 4.0, due to differences in supporting libraries.

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1.7 HP3000
- New release (from Dave Bryan).
- New release (from Dave Bryan). Moved to its own subsite.
1.8 HP2100
- New release (from Dave Bryan).
- New release (from Dave Bryan). Move to its own subsite.
1.9 AltairZ80, IBM 1130, SWTP 6800