| 摘要 |
PURPOSE:To shorten the processing time, by setting designated information first and by setting up information, which is set automatically each time when one block is processed, after that. CONSTITUTION:The control circuit sets designated information to register A. Then, the control part reads the header part in the same position as designated information and inputs its contents to lines of signals 19-26. When they are input, comparing circuit B compares them with contents of information 11-18 set first; and if they coincide with each other, signal 27 is started to execute read-in/write-out to the position. If this operation is completed normally, signal 28 is started, and count- up circuit C is operated, and information set first is counted up automatically by signal 29, and next plural pieces of information 11-18 are output, and circuit C is held. The control circuit reads the header of the next cylinder sector and inputs its contents to lines of signals 19-26. The same operation is repeated after that. |
