Appeal No. 1997-0918
Application 08/160,301
the principal brief on appeal that these claims require that
the same source, namely, a result of the logical OR operation
controls both the source selection for the subtraction
operation and the generation of the quotient bit. On the
other hand, we recognize as did appellant argue that Yamaoka
fails to show this. Appellant notes that Figure 3 of Yamaoka
shows the operative carry detector 4 controlling the selection
of the selector 6, which has already been previously argued by
appellant to be functionally equivalent to the status bit
operation. The relationship of this to a logical OR operation
has been previously established by our analysis with respect
to claims 32 and 35. Again, we make reference to the earlier
noted portions of Zaidi which indicate that the output of the
XNOR circuit 20 serves as a quotient bit indication as recited
at the end of dependent claims 33 and 36 on appeal.
Finally, we turn our attention to the subject matter of
dependent claim 34 on appeal which is argued by appellant at
page 8 of the principal brief on appeal. As noted by
appellant there, the examiner has apparently made no attempt
to correlate the features of Yamaoka and Zaidi to the features
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