Re: 1571/1581 Sources: Macro WDTEST inserting NOP before reading WD177x status register / writing command register

From: Jim Brain <brain_at_jbrain.com>
Date: Thu, 24 Mar 2022 19:37:40 -0500
Message-ID: <85cb2181-dbb5-23ac-f9f8-a017cff4bf0b_at_jbrain.com>
Not that my perspective matters much, but I do believe your theory 
matches the evidence the best.  And, that it is hard to understand why 
it's there no doubt lends itself to the reason it still exists int he 
1581, which has no need for such optional code.

I know you spent quite a bit of time sorting through this, and I very 
much appreciate your sharing the journey.  It's impressive to see the 
digital forensics you've employed.

Jim


-- 
Jim Brain
brain_at_jbrain.com
www.jbrain.com
Received on 2022-03-25 02:00:02

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