| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce value storage limits to the maximum value limits or less. <P>SOLUTION: In this portable medium (1) having a storage means for storing one or more kinds of values and a data processing control means (11) for preparing a new kind of value storage area from an instruction from the outside, the maximum value storage limits (12) set for each value classification is stored in the storage means. When a new kind of value storage area (13) is prepared based on an instruction from the outside, the maximum value storage limits are referred to and compared with the value storage limits of instruction data, and the value storage area is prepared so that the value storage limits of the instruction data can be set as the maximum value storage limits or less. <P>COPYRIGHT: (C)2004,JPO |
