Concealment of external array accesses in a hardware...

Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Software program

Reexamination Certificate

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C711S150000, C711S151000, C711S158000

Reexamination Certificate

active

07877249

ABSTRACT:
A circuit arrangement and method detect external requests to access a memory array in a hardware simulation accelerator during performance of a simulation on a simulation model and access the memory array without halting the simulation in response to detecting the external request. Such functionality may be provided, for example, by detecting such external requests in response to processing a predetermined instruction in an instruction stream associated with the simulation model, where the predetermined instruction is configured to ensure a predetermined period of inactivity for the memory array. By doing so, the memory array can be accessed from outside of the hardware simulation accelerator during the processing of a simulation, and without requiring that the simulation be halted, thus reducing overhead and improving simulation efficiency.

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MacKenzie, I. Scott. “The 6800 Microprocessor”, 1995, Prentice Hall, 7 pages.

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