On Mon, Feb 2, 2015 at 2:42 PM, Dell Setzer dset...@panix.com wrote:
Probably folks back then were used to octal from having worked on
minicomputers (like DG or DEC).
I've forgotten that MIT's had grouped the switches in threes on their panel
like the PDP-8 and PDP-10, and PDP-11. But you
I've never seen an ALTAIR (beyond the Popular Science cover!) or used the
emulated simh version, but I was reading code for edification and came across
this statement in altair_cpu.c:
3. Non-existent memory. On the 8080, reads to non-existent memory
return 0377, and writes are
On Mon, Feb 2, 2015 at 10:16 AM, Bailey, Scott scott.bai...@hp.com wrote:
Non-existent memory. On the 8080, reads to non-existent memory
return 0377, and writes are ignored.
That was definitely true and how the HW worked [although the comment
should have been 0xFF or actually $FF in
Hello!
Would the Octal reference for $FF be used because one of the authors
of emulator would be more familiar with those terms from working with
the one for the PDP-11?
I've seen the crowd courtesy the VCF and have a box here who's waiting
to be restored.
Oddly enough I came within a big
