[Info-vax] VAX vs. MV/8000 [was Re: Hard links on VMS ODS5 disks]

[Simon Clubley]

On 2023-08-29, Johnny Billquist <bqt at softjar.se> wrote:
>
> Oh, I agree that we're splitting hairs. But I do think DG went a bit 
> further than AMD did, with the goal of being able to basically just move 
> the binaries over and run them. Hence the two stacks, and all that ugliness.
> Yes, the OS might still need to set some things up, but I don't think 
> it's completely comparable what DG did with what AMD did, just as it 
> isn't the same as what DEC did.
>
> And with all that said, I do think DG made a bad choice. AMD basically 
> did a good choice (or better, at least - anything involving the x86 is 
> inherently bad... ;-) ).
>

And none of that compares to the extreme compatibility that IBM maintains
with its mainframe architecture. It's reported that you can _still_ run
S/360 application programs unchanged on modern mainframes...

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.