Program debugging device and process

Details Program debugging device and process Program debugging device and process

1994-01-18

1995-08-01

Canney, Vincent P.

Excavating

371 251, 395650, 395700, G06F 1100

Patent

active

054385741

ABSTRACT:
A process and apparatus for debugging a sequentially executed program, such as an SFC program having a plurality of blocks containing a plurality of steps, wherein a desired program route is registered in a normal route table, by block and step identifier, and used as a basis for comparison with the program as it is actually run by block and step, and recorded in a executed route table. Where a difference is identified, the program run may be either stopped and the current block and step displayed, or the program may continue its run and each identified difference recorded in a faulty route table, for later display.

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patent: 5056013 (1991-10-01), Yamamoto
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patent: 5265005 (1993-11-01), Schmidt et al.
patent: 5287548 (1994-02-01), Flood et al.
Structured Computer Organization by Andrew S. Tanenbaum, .COPYRGT.1990 by Prentice-Hall Inc. pp. 31-34 and 297-307.

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