| 摘要 |
PURPOSE:To prevent failure in which a plotted graphic is destroyed by other job by providing means for saving input/output instruction data, for requesting restart & stop of job operation and for saving & recovering storage area data for graphic display. CONSTITUTION:First, the job operation exclusive to the original picture is requested to temporarily stop by the means for requesting stop of job operation. Three display regions, red, blue and green, are specified respectively and saved, plain by plain. After data restoration is completed, the plain specified by the job exclusive to a new picture is restored. Then, the operation of the job exclusive to the new picture is restarted by the means for requesting restart of job operation, with the number of the job exclusive to the new picture as task number. Thus, the graphic data of each job at the time of plural job operation are protected and failure in which the plotted graphic of the job displaying a graphic is destroyed by other job is prevented. |
