| 摘要 |
PURPOSE:To select only the required part of a CRT display scope and to copy it by providing a memory in common use of display/copy storing picture data and a display exclusive/copy selection memory and using a switch to select the output of each memory. CONSTITUTION:A CRT controller 12 is connected to an arithmetic processor 11 via an input/output controller 11A, controls a CRT scope display device 13 by the command of the processor 11 so as to display a graphic and semigraphic picture on the device 13. The display/copy common use memory 17 grouping the memory into copy object and not and storing scope data and the display exclusive/copy selection memory 16 are connected to the controller 12, the output of each memory is selected by a memory selection switch 18 and fed to a scope copy device 14. Thus, only the required part of the picture displayed on the device 13 is selected and applied to the device 14 for copying.
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