[Simh] VAX Tape Emulation?

Johnny Billquist bqt at softjar.se
Thu Jan 25 08:23:51 EST 2018


Hmm. None of the tools I wrote ever had that limit. They just process records and don't give a damn about absolute disk or tape position.

  Johnny 


Tim Shoppa <tshoppa at gmail.com> skrev: (25 januari 2018 00:53:34 CET)
>Many common tape image tools as of two decades use 32-bit integers to
>carry
>offsets around and will be limited to 4Gigabyte tape image sizes.
>
>I don't think this is a fundamental limit to the tape image formats
>used by
>SIMH, just a common limitation of the tape image tools you might find
>from
>20 years ago.
>
>Tim.
>
>On Wed, Jan 24, 2018 at 5:02 PM, Zane Healy <healyzh at avanthar.com>
>wrote:
>
>> What type/size of tapes does the VAX emulation support?  I was
>looking
>> through the doc’s and it wasn’t obvious to me.  Is there a size
>limit?
>>
>> Thanks,
>> Zane
>>
>>
>>
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