PURPOSE: To enable a data processing for data in recording media with different storage formats to be performed by executing a program code receiving from a processing procedure code managing function by a data processor.
CONSTITUTION: The processing procedure code function in a data access method transmits the program code which describes an access procedure from an arithmetic unit 2 to a data set corresponding to the storage format of the data in the recording medium 4 to the data processor 3. And the storage format judging part 31a of the data processor 3 performs the data processing even on the data in the recording medium with different storage format by receiving the program code. Thereby, since a program can transmit the program code of data computation corresponding to the storage format, flexibility for the change of the organization of the data to be processed can be obtained.
TSUCHIDA MASASHI
MUTO HIDEO
NAKANO YUKIO
HONMA TOSHIO
YADA KIYOSHI
KITAJIMA HIROYUKI
OSONE TADASHI
TANIGUCHI NOBUHIRO
HITACHI MICROCUMPUTER ENG
HITACHI SOFTWARE ENG
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