Abstract: An object group is selected from enemy groups a and b that are positioned within the current battle area. A reference point that corresponds to the representative point of the positions of all enemy NPCs that belong to the selected group is calculated A target angle of view at which all of the enemy NPCs included in the object group can be photographed when a photographing direction of a virtual camera aims at the reference point is calculated. The virtual camera is controlled so that the photographing direction aims at the reference point and the angle of view coincides with the target angle of view.

Abstract: The present invention provides a memory card (1) using a write-once memory IC (17), such as PROM. In this memory IC (17), an entity data recording area, where the entity data of a file is recorded, and a management data recording area, where management data for supervising the recorded files in accordance with a hierarchical director structure is recorded, are formed at the outset. In the management data recording area, a file entry specifying the files recorded in the memory card (1), a root entry specifying the uppermost order director in the hierarchical directory structure and a sub-entry specifying sub directories in the hierarchical directory structure, are recorded as management data in association with the files, root directory and the sub-directories generated, respectively.

Abstract: The present invention provides a memory card (1) using a write-once memory IC (17), such as PROM. In this memory IC (17), an entity data recording area, where the entity data of a file is recorded, and a management data recording area, where management data for supervising the recorded files in accordance with a hierarchical directory structure is recorded, are formed at the outset. In the management data recording area, a file entry specifying the files recorded in the memory card (1), a root entry specifying the uppermost order directory in the hierarchical directory structure and a sub-entry specifying sub-directories in the hierarchical directory structure, are recorded as management data in association with the files, root directory and the sub-directories generated, respectively.

Abstract: The present invention provides a memory card (1) using a write-once memory IC (17), such as PROM. In this memory IC (17), an entity data recording area, where the entity data of a file is recorded, and a management data recording area, where management data for supervising the recorded files in accordance with a hierarchical director structure is recorded, are formed at the outset. In the management data recording area, a file entry specifying the files recorded in the memory card (1), a root entry specifying the uppermost order director in the hierarchical directory structure and a sub-entry specifying sub directories in the hierarchical directory structure, are recorded as management data in association with the files, root directory and the sub-directories generated, respectively.

Abstract: A memory card uses a write-once type memory IC. A logical address is provided for each block as a predetermined data unit. Each block includes an area in which a data use status flag is recorded which indicates that data has been recorded in a block. Each block also includes an area in which a block status flag is recorded which indicates that data recorded in a block has been deleted.

Abstract: A memory device includes a recording medium in which data can be written only once into each memory cell. The recording medium includes a data recording area having a portion that is a reserve area in which management data associated with a file is recorded. The management data is recorded in the reserve area in a direction opposite to a direction in which data is recorded in a remaining portion of the data recording area. The management data includes a PBR, a file allocation table, a root directory entry, and a sub-directory entry each being in the MS-DOS format.

Abstract: The present invention is relative with a memory card (1) employing a write-once memory IC (17) capable of writing data only once on the bit basis, such as PROM. The memory IC (17) includes an entity data recording area in which to record entity data of a file and a reserve area in which to record management data for the file recorded and update data of the entity data. The management data is recorded in the reserve area in the direction opposite to the data recording direction in the entity data recording area.

Abstract: The present invention provides a memory card (1) using a write-once type memory IC (17), such as PROM. In the memory IC (17), data can be written only once on the bit basis. A logical address is provided for each block as a predetermined data unit. Each block has an area in which there is recorded a data use status flag indicating that data has been recorded in a block, and an area in which there is recorded a block status flag indicating that data recorded in a block has been deleted.

Abstract: The present invention provides a memory card (1) using a write-once memory IC (17), such as PROM. In this memory IC (17), an entity data recording area, where the entity data of a file is recorded, and a management data recording area, where management data for supervising the recorded files in accordance with a hierarchical directory structure is recorded, are formed at the outset. In the management data recording area, a file entry specifying the files recorded in the memory card (1), a root entry specifying the uppermost order directory in the hierarchical directory structure and a sub-entry specifying sub-directories in the hierarchical directory structure, are recorded as management data in association with the files, root directory and the sub-directories generated, respectively.