Importance

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Abstract

A system for viewing and monitoring the operation of an embedded processor in which a single computer program, e.g., a Microsoft C/C++3 program, is used to test the scan chain, check the link to the target device, set up the target devices on the scan chain, load the program into the device, run the program, and display the results of the program. The present invention monitors the target processor activity, such as data flow in and out of the target processor, tracking of routines running on the target processor, and the like. Instead of relying on fixed breakpoints, the present invention utilizes breakpoints embedded in the program, enabling the user to use as many breakpoints as desired and to place them and move them wherever they are needed. The breakpoints are defined and set up in the target code (e.g. a diagnostic program) and not by the host. This allows runtime flexibility because the number and location of the breakpoints can be changed easily.

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First Claim