[Info-vax] RSTS/E and VMS connection

[Dave Froble]

On 4/12/2023 8:46 AM, bill wrote:
> On 4/12/2023 8:22 AM, Simon Clubley wrote:
>> On 2023-04-12, bill <bill.gunshannon at gmail.com> wrote:
>>> On 4/12/2023 8:14 AM, Simon Clubley wrote:
>>>> On 2023-04-12, Dave Froble <davef at tsoft-inc.com> wrote:
>>>>> On 4/11/2023 9:13 PM, Jonathan wrote:
>>>>>> On Friday, April 7, 2023 at 11:13:58?PM UTC-4, terry-... at glaver.org wrote:
>>>>>>>
>>>>>>> There was at least one 3rd-party product that was specifically designed
>>>>>>> to let RSTS users run their code pretty much unmodified on VMS. From:
>>>>>>> http://bitsavers.trailing-edge.com/magazines/RSTS_Professional/RSTS_Professional_V04_N03_198206.pdf
>>>>>>>
>>>>>>>
>>>>>>> "RSTS/E ON VAX
>>>>>>> ROSS/V
>>>>>>> (RSTS/E Operating System Simulator for VAX)
>>>>>>
>>>>>> Hmmm, we?re still at the same address? could probably dig up the sources
>>>>>> if someone wants to make a purchase. ;)
>>>>>>
>>>>>
>>>>> Hmmm ....
>>>>>
>>>>> John, where do we find CPUs providing PDP-11 compatibility mode?
>>>>>
>>>>> :-)
>>>>>
>>>>
>>>> SimH ? :-)
>>>
>>> Not even close.....  :-)
>>>
>>
>> The VAX-11/780 emulator in SimH is reported to have the full PDP-11
>> compatibility mode support, which addresses David's implied requirement
>> that this ROSS/V product requires it.
>>
>
> Sorry, I thought you were suggesting getting PDP-11 compatibility mode
> by running SimH on the VAX.  Of course, the fact that you can run SimH
> on a VAX kinda makes the need for ROSS/V go away, doesn't it?  :-)
>
> bill
>
>

No, not at all!  ROSS/V provided a RSTS environment on the early VAXs, and I 
don't remember, but it might have been possible to run executables copied from 
RSTS.  ROSS/V was an exceptional product.

-- 
David Froble                       Tel: 724-529-0450
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