[HECnet] TOPS-10 D-Day, DECnet failure on November 9th is less than six days away

[Thomas DeBellis]

I have been working with Bob recently to bring the fix up on VENTI:: to 
prevent the imminent COM911 BUGHLT. We've both been hampered by some 
domestic duties and what I refuse to call "forgetfulness" in the 
particulars of generating a Tops-10 monitor.  Neither one of us has done 
it in ...'awhile'...

It turns out that a MONGEN is unnecessary because the system 
configuration doesn't need to change.  You do need to rebuild 
TOPS10.REL, however.  Fortunately, with a small hack, the fix can be 
directly patched the monitor with FILDDT. You want to modify two 
instructions at NMXTIM+13 from:

    NMXTIM+12/   IDIV T3,TICSEC
    *NMXTIM+13/   SKIPL T2**
    **NMXTIM+14/   TDNE T1,COMCAW+10*
    NMXTIM+15/   XCT COM911

  To:

    NMXTIM+12/   IDIV T3,TICSEC *NMXTIM+13/   MOVMS T2****NMXTIM+14/  
    TDZA T1,COMCAW+10* NMXTIM+15/   XCT COM911

So doing that will keep you from crashing.  You can probably even 
deposit them right into the running monitor, if you're careful enough 
(one hesitates to say, 'toggle'...)
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