| 摘要 |
PROBLEM TO BE SOLVED: To provide a memory device and an access method for it easily realizing addition of functions, protection of compatibility with a conventional device, and sharing of firmware between different types of machines by a simple sharable versatile function configuration using no conditional sentence. SOLUTION: This memory device constructed of a starting area for arranging a vector table and a program area for describing a program to be executed is provided with a function execution means, which is generated in the program area and accessed according to address information of the vector table, and a table which is generated in the program area, holds head address information of the program, and is referred by the function execution means. The function execution means executes the program based on the address information acquired by referring to the table. COPYRIGHT: (C)2005,JPO&NCIPI
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