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Incompatible Timesharing System

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Attempting to build the pdp6 emulator on macOS Sonoma (14.5) fails with two errors. ``` joy.c:132:4: error: call to undeclared function 'close'; ISO C99 and later do not support implicit...

As per my understanding, to use the XGP, three things must be running: the system itself, the xgp11 interface, and the spooler which runs when user XGP is logged in....

The heading in the year field of the XGP output lists the year as 1925, versus 2025, even though the system time is correct. On June 5th I sent the...

bug
y2k

At least make an attempt at building in Mac OS.

enhancement
help wanted
host

Some build services use Docker images. Create image(s) with build dependencies installed. Maybe also the emulators, but make sure they are up to date. Also consider making Docker images with...

build process

Write a demo program which cycles through interesting ITS programs. The idea is for @PiDP to have something to display on retrocomputing type events.

* Fix `dependencies.sh` so it works in Ubuntu 24.04 * Generate a Docker image per emulator: `KLH10`, `SIMH`, `pdp10-ka`, `pdp10-kl` and `pdp10-ks`. * Increase timeout in `lisp.tcl` because half of...

Build produces this (likely minor) error message: touch: invalid date format '197403067415.11' The error is reasonable since 74 is not a reasonable number of hours in a day.

There is a PDP-11 Chaosnet router/terminal concentrator called NSWIT, or New Switch. It's similar to MINITS, but older. NSWIT may have started at MIT, but was later mainly in use...

pdp11
chaosnet