[Info-vax] VMS porting/rewrite, was: Re: [OT] Wirth style languages, was: Re: Obscure Ada compiler vendors?

[Johnny Billquist]

On 2013-04-11 18:41, Simon Clubley wrote:
> On 2013-04-11, Johnny Billquist <bqt at softjar.se> wrote:
>> On 2013-04-10 20:40, Simon Clubley wrote:
>>>
>>> I started out with VMS in the 5.x era; before that I was in the PDP-11
>>> world.
>>
>> If that was in RSX-land, then you should definitely have seen ACPs. All
>> basic file operations goes through the ACP, and the ACP could actually
>> use any kind of file system underneath, with the caveats I mentioned before.
>> (It is unfortunate that some details are transparent enough that higher
>> layers can go around parts of the ACP if they feel like it, and they do...)
>>
>
> My work place experience was with RSTS/E only, unfortunately.

Ah. Yeah, no ACPs in there. I've used RSTS/E a lot in the past, but 
never really looked much under the hood.

> For the other OS's, I do have the public documentation (from Bitsavers)
> and the publicly available kits released along with the hobbyist license.
> I have not done anything serious with them however, although I do remember
> finding the parts of the RSX design I read about and played with
> interesting.

Parts of RSX is really nice and cool. There are some warts here and 
there, but on the whole, I really love working on that OS.

> BTW, did your post Mentec hobbyist talks ever get anywhere ?

Mentec is long gone and out of the picture by now, which you might know.
However, any hobbyist issues are tied in with getting any kind of 
response from HP, which seems unlikely at this point.

	Johnny