[Info-vax] CRTL and RMS vs SSIO

[Simon Clubley]

On 2021-10-12, Lawrence D?Oliveiro <lawrencedo99 at gmail.com> wrote:
> On Wednesday, October 13, 2021 at 6:57:05 AM UTC+13, Simon Clubley wrote:
>> No other operating system needs 
>> to support assembly language as an application programming language.
>
> I don?t think support for assembly language is the issue -- assembly language can still be useful and relevant in app code today, for example in video encoding. Here?s what I think the issue is about: ?control blocks?.
>

The difference is the other operating systems don't need to support
calling system services (for example) from assembly language and if you
try it you are on your own. On VMS it does and it's supported as such.

Unfortunately.

(And yes, it's a product of the time VMS was designed in along with
the heritage that VMS inherited.)

Simon.

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