| 摘要 |
PURPOSE:To read at a high speed, by reading a formation file from the first to the end, recording the first recording psition and the last recording position of each block, and executing a read work of a block, referring to its information. CONSTITUTION:A contact number of blocks 1-6 is recorded in a setting devie 36 in a designated range, records 1-15 are read, a data is written to a record position register device 33, and a block 1 is read. In this way, the first recording position number and the last recording position number relating to the respective blocks 1-6 are written in the record position register device 33, therefore, after that, the blocks 2-6 are read by referring to the record position register device 33. |
