[Simh] Looking for a RIM10B paper-tape image

Lars Brinkhoff lars at nocrew.org
Mon Jan 23 06:23:53 EST 2017


Timothe Litt wrote:
> There seems to be some confusion here.
> * RIM10 is used by hardware READIN mode this is the simple IOWD n,
>   addr, data, where the last data word is XCT'd. 

To add to the confusion, MIDAS calls one of its output formats RIM10.
It starts with a PTR loader very much like the one in RIM10B.

> The PDP-10 PTR/PTP has two modes: The bootstrap uses binary mode.  In
> binary mode, channel 8 must be punched, channel 7 is ignored, and
> channels 6-1 are data. 6 frames are read (MS first) to form a 36-bit
> word.

It's this binary mode that SIMH's LOAD command expects when RIM mode
is specified.


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