The SDS-940 time sharing system had a DDT, which was the dynamic debugging
tool. 4000;g started your program at 4000 octal. I believe both MIT and UC
Berkeley worked on the implementation, so maybe the 940's DDT has roots in the
MIT implementation for the PDP 1.
[off topic, but SIMH includes a
Googling “Process PTE …” shows this occurred before:
http://mailman.trailing-edge.com/pipermail/simh/2010-May/010760.html
The suggestion was to try turning off optimization when compiling simh…
—Howard
> On Feb 17, 2016, at 2:48 PM, Michael Huff wrote:
>
> I grabbed simh_master.zip from githu
SOAP was the assembler for the IBM 650.
—Howard
Sent from my iPhone
> On Jan 26, 2018, at 16:25, Larry Baker wrote:
>
> Was SOAP Knuth's assembler that optimized placement of the machine code on
> the drum memory to minimize access latency for the next instruction?
>
> Larry Baker
> US Geolo
