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System for diagnosing graphic processing system

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专利汇可以提供System for diagnosing graphic processing system专利检索,专利查询,专利分析的服务。并且PURPOSE: To easily perform interface between hardware, to guarantee the result data of an internal test, and to detect a defective part by enabling a test pattern and the result of the internal test to be checked from the outside.
CONSTITUTION: An input part 5 and an output part 6 are connected to an exter nal transmission line, and the processings of coordinate transformation or clip ping, etc., are performed by firmware incorporated in a ROM4. The ROM4 also stores the test pattern, and an MPU1 passes input information to the output part 6 after outputting the test pattern in the case of setting a diagnostic mode indication signal at a diagnostic mode after resetting a graphic processing unit. The test pattern is checked by remarking a checking bit at the outside. When no diagnostic mode is set, a processing is performed according to the instruction of the input information.
COPYRIGHT: (C)1989,JPO&Japio,下面是System for diagnosing graphic processing system专利的具体信息内容。

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