On Tue, 21 Jun 2016 19:36:19 -0500, Paul wrote:

<...>
>
>Speaking of PDP-11, I did assembler on it for 14 years then ported the 
>entire thing to Turbo Pascal (thankfully *no* octal any more):
>   http://brenemanlabs.com/MachOne5.htm
>For real-time video machine control in the PC folks before me had to use 
>complex intelligent serial port cards.  But the 16550 UARTS had come out 
>and I used them as the video tape machine commands all fit in the 16 
>byte FIFO.  So I had 50,000 lines of all pascal code (no assembler) with 
>a third of it running 30 times a second (frame rate) in an interrupt 
>routine with no interrupts on 16 serial ports.
>
>Some PDP-11s are still being used:
>http://www.theregister.co.uk/2013/06/19/nuke_plants_to_keep_pdp11_until_2050/
>

Wow! If it weren't for the fact I've retired, my resume would be in
the mail. Debugging with assembler listings and ODT used to be
interesting work! A little slow, maybe, but hey, you can't have
everything... :)

Brian. 

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