larsbrinkhoff

joined 1 year ago
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pdp10
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Display hack in c/[email protected]
[–] [email protected] 1 points 1 year ago

Explanation. The program starts at GO and attempts to use the .IOTLSR system call to enable the job to use I/O instructions. Running under ITS, this succeeds and goes on to the CONO instruction which resets the display.

Out of timesharing, there is no operating system UUO handler for the .IOTLSR call, so the program will jump to the UUO handler at location 41 which just jumps back to the main program.

4
Display hack (lemmy.sdf.org)
 

A good way to start a display hack. It will run both on ITS and out of timesharing equally well.

9
Lisp-related xkcd the other day (lemmy.sdf.org)
 
15
TX-0 in Verilog, with console panel (youtu.be)
 

This is a project by Angelo Papenhoff.

2
Installing Essex BCPL and MUD (www.quentin.org.uk)
1
Angelo Papenhoff overview of the 36bit DEC PDP-6 computer (youtu.be)
1
Happy birthmonth, ITS! (lemmy.sdf.org)
 

According to Project MAC Progress Report IV, ITS first become operational July 1967.

2
You really ought to know why most of the PDP-10's on the ARPA network are running TENEX. (lemmy.sdf.org)
 
A proper smartwatch in c/[email protected]
[–] [email protected] 0 points 1 year ago (2 children)

The size of that floppy does seem a decent match to a microSD card.

2
A proper smartwatch (lemmy.sdf.org)
 
1
Focus on computing stability (lemmy.sdf.org)
 
1
I.T.S. for LUSERS (lemmy.sdf.org)
 
1
The best way to accelerate a VAX (lemmy.sdf.org)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
0 comments fedilink
 
1
First demo of PiDP-10 at VCF SW, Dallas (groups.google.com)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
0 comments fedilink
 

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