The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 20, 2001

Filed:

May. 02, 1997
Applicant:
Inventors:

Stephen (Hsiao Yi) Li, Garland, TX (US);

Jonathan Rowlands, Dallas, TX (US);

Frank L. Laczko, Sr., Allen, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/00 ;
U.S. Cl.
CPC ...
G06F 3/00 ;
Abstract

A data processing device uses a portion of a random access memory as an input buffer for holding a portion of a stream of data which is being processed by a processing unit within the processing device. Various break-point source tasks,determine discontinuities in the portion of data stored in the input buffer and a sorted list of the addresses of the discontinuities is maintained in breakpoint queue,. Since the buffer is managed in a FIFO manner, a single breakpoint register,is sufficient to monitor addresses as they are provided by an address register,for accessing the random access memory. When a breakpoint is detected, the breakpoint queue and the breakpoint register is updated by an update task


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