[Info-vax] Creating an open source version of VMS, was: Re: OpenVMS Hobbyist Notification

[Arne Vajhøj]

On 3/12/2020 4:39 PM, Dave Froble wrote:
> On 3/12/2020 3:28 PM, Simon Clubley wrote:
>> On 2020-03-12, VAXman-  @SendSpamHere.ORG <VAXman- at SendSpamHere.ORG> 
>> wrote:
>>> No different in your unix/C world or did the Eunuchs geniuses
>>> devise some way to stuff 64 bits into a byte... er, excuse me, char?
>>>
>>
>> The use of C in Unix meant it was far easier to convert the existing
>> 32-bit Unix code to run in a 64-bit environment and to do it in a way
>> that was compatible with existing 32-bit environments when the same
>> modified code was compiled once again in 32-bit mode.
> 
> Assuming people declared pointers instead of 32 bit words ....

Yes. But Unix was pretty early on being ported to multiple
platforms. So they probably mostly did it right.

VMS was written for VAX. So it was not written with portability
in mind.

Arne