Appeal No. 96-1539
Application No. 08/128,456
instructions and address space. Thus, contend appellants,
Blackard’s simulator
thereby does not emulate a first system on a second
system, but instead transforms a first system user
program into a second system user program by
translating the instructions and addresses of the
first system user program into instructions and
addresses of the second system [principal brief-page
12].
We are not persuaded by appellants’ argument that the
instant claimed system is an emulator whereas Blackard shows a
simulator. Whereas an emulator is defined as “[h]ardware
built into a computing system, which makes the system appear
and behave to certain software, such as programs and routines,
as if it were another system,” a simulator is “[a] device or a
program that represents the behavior of another device or
program.” Accordingly, broadly speaking, a simulator can be3
an emulator.
With regard to appellants’ argument that the instant
system operates in “real time” which is not possible with
Blackard because Blackard’s system operates “in parallel,”
[principal brief-page 13], we find no such limitations or
3Martin H. Weik, Standard Dictionary of Computers and
Information Processing, Hayden Book Company, Inc., New York,
1970, pages 123, 265.
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