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Title:
METHOD AND DEVICE FOR EXECUTING SOURCE STEP
Document Type and Number:
Japanese Patent JP3098501
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To stop the execution of a source step in each repeat in the case of source- debugging a program to be inspected having repeat processing by executing the source step.
SOLUTION: The source step executing method includes a process for reading out an instruction of an address P from a program storing area, executing the read instruction, writing data indi-cating the execution of the instruction of the address P in an execution history storing area, and storing the address P' of an instruction to be executed after the execution of the instruction of the address P, a process for checking whether the address P' to be read out next is included within a range of the start address S and end address E of a row N or not, and when the address P' is included within the range, checking data in the execution history storing area of the address P', and when the data are not execpt-ed, repeating the execution and processing of an instruction again and a process for judging that the address P' leaves from the range of a program code in the row N when the address P' is the outside of the range, informing an output device of the execution completion of the source step, judging the execution of repeat processing in the range of the program code of the row N when the address P' has been executed and informing of the execution com-pletion.


Inventors:
Kunio Niwa
Application Number:
JP32363798A
Publication Date:
October 16, 2000
Filing Date:
November 13, 1998
Export Citation:
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Assignee:
NEC IC Microcomputer System Co., Ltd.
International Classes:
G06F11/28; (IPC1-7): G06F11/28
Domestic Patent References:
JP61180342A
JP62107345A
JP6392034A
JP57100544A
JP63223928A
JP63223931A
JP5852760A
JP61213935A
JP9319614A
JP353347A
Attorney, Agent or Firm:
Nobuyuki Kaneda (2 others)