> On Nov 9, 2016, at 5:57 PM, Josh Dersch <dersc...@gmail.com> wrote: > > ... > A quick update -- I ran the ZTCD diagnostics and they do fail, despite my > recollection (this is what I get for not taking notes at the end of > yesterday, and yesterday seems so far away now...). The first test (a > forward WALL, followed by an RALL of a single block) fails with the > following spew (for example): > > BLKRQ 000310 DATA ERR WORD 00054. S/B 176376 WAS 104106 > > Based on a reading of the fiche listing (which is a slightly newer revision > of the binary I have) I believe S/B is the expected data and "WAS" is the > read-back data for a given word. Since one appears to be the obverse > complement of the other, it looks like the obverse complement logic is > running when it shouldn't be...
Yes, those two patterns are indeed obverse complement. Word 0054? That's odd, if it's doing this wrong for a word in the middle of the buffer. Can you have it halt on fail so you can examine the buffer? paul