[Info-vax] clock problems with OpenVMS x86 on VirtualBox

Johnny Billquist bqt at softjar.se
Wed May 10 11:56:13 EDT 2023


On 2023-05-10 00:56, Arne Vajhøj wrote:
> On 5/9/2023 12:44 PM, Johnny Billquist wrote:
>> On 2023-05-09 17:52, Dave Froble wrote:
>>> I can guess that perhaps the biggest technical reason is the lack of 
>>> old VAX hardware to test against.  A few edits and firing up the 
>>> build procedure might be possible.  But on what HW do you run the 
>>> build procedure?
>>
>> simh would be perfectly reasonable.
> 
> What about build time?

Probably a fraction of what it took 20 years ago. Assuming it can be 
done without having every model of a VAX available for building.
simh only simulates a subset of existing VAXen. But it moves on very 
fast compared to any VAX of old... Hardware have just become so much 
faster...

   Johnny




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