Here you can read the source code of first edition unix:
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1
Where can we learn the PDP assembly to be able to understand these historical source code?
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1
Where can we learn the PDP assembly to be able to understand these historical source code?
https://pdos.csail.mit.edu/6.828/2005/readings/pdp11-40.pdf
The PDP-11 instruction set is small and elegant.
> The PDP-11/40 was designed to fit a broad range of applications, from small stand alone situations ... to large multi-user, multi-task applications requiring up to 124K of addressable memory space.
I'm young, and it's crazy to look back and see how far we've come.
There wasn't much available for a "home computer" at the time, but the Kenbak-1 might be a good example for comparison of what one would have cost. It was $750, or $4400 inflation adjusted. It had 256 bytes of memory.
Scared PDP-endianess sounds...
and linked from that page
http://bitsavers.trailing-edge.com/pdf/dec/pdp11/rsx11/RSX11...
There are probably better references, but that's what I found in a quick look.