[Simh] DECtape simulation for 36b tapes on PDP-8?

[Johnny Billquist]

On 2013-03-12 05:53, Ian King wrote:
> On 3/11/13 6:00 PM, "Ian King" <IanK at vulcan.com> wrote:
> 
>> Hi folks,
>>
>> I'm doing some work where I need to build some DECtapes for a PDP-10,
>> using a PDP-8 and PIP10.  Long story short, I decided to use SIMH to test
>> some ideas but I cannot access a PDP-10-formatted DECtape mounted on the
>> emulated TC08/TU56.  The emulator simply hangs.  I also tried just
>> creating a new 'tape' in 18/36b mode and looking at it with PIP10, again
>> resulting in a hang.
>>
>> Do you know of a way to hold one's mouth to get a PDP-10 DECtape to be
>> recognized on SIMH?  :-)  Thanks -- Ian
>>
>> I'm done with this two-bit town.  Show me a twelve-bit town ­ now we're
>> talking.
>>
>> Ian S. King, Sr. Vintage Systems Engineer
>> Living Computer Museum
>> A presentation of Vulcan, Inc.
>> http://www.livingcomputermuseum.org
>>
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>>
>>
> 
> To clarify: I'm trying to access PDP-10-formatted DECtape on the PDP-8
> emulation, using PIP10.  A couple of (thank you so much) replies made me
> realize my statement of the problem was ambiguous.  -- Ian

I understood you the first time. My big question would be if you are
sure the TC08 emulation is good enough. PIP10 uses its own code to
handle the drive, and uses it in ways no other PDP8 code likely do. It
definitely would test the emulation much harder than anything else I can
think of.

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol