C70:info-cpm (05/29/82)
>From RGF@Mit-Mc Fri May 28 21:51:04 1982
I have tested DCON and DDT and have found no such bug. I suspect
you may be mis-interpreting the status of the Z flag; when an operation
results in a logical "zero" condition, the Z flag is SET (ie, "1") --
if the result is non-zero, the Z flag is reset ("0"). In other words,
--Ron Fowler