Appeal No. 95-4736
Application 08/084,801
portion of the MSP memory allocated for replacement to be disabled from changing the contents
of memory locations in the processor or managed by the processor. The other voice programs in
the MSP memory are not affected by the NOP controller, and the MSP module continues to
execute those voice programs. Claim 1 requires a controller to disable the processor from
changing data in response to instructions from a particular subset of the set of memory locations
which stores the segment of locations to be replaced.
With respect to claims 14 and 28, we agree with appellants that neither reference teaches
replacing stored instructions with new instructions in the particular group of addresses the stored
instructions are located in. Littleton teaches replacing a stored or obsolete instruction with an
interrupt trap. The new instruction, however, is located at a different address indicated by a trap
number. Column 5, lines 42-48. The new instruction is not disclosed as stored in the particular
address the stored instruction is located in. Otherwise, it has not been established that the claimed
subject matter would have been an obvious modification of Littleton and Dube. The examiner has
set forth no reason or suggestion why one of ordinary skill in the art would have made such a
modification.
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