JPS6461785A - Display device - Google Patents

Abstract

PURPOSE: To improve operability by splitting the screen of a display part and enlarging and displaying then on respective windows by one screen splitting instruction input. CONSTITUTION: When an input part 6a instructs the area and size of the each window displayed on a CRT 8, a display position and an priority order for laying over, the windows (a) and (b) or the like of display data are read out from a memory 5 and are stored in a frame memory 7, and are displayed on the CRT 8, and are stored in a window state information memory 9. When an operator instructs screen split display through a mouse 12, the information of the memory 9 is saved in a window state saving memory 10, and is given to a window state calculating part 11, so that a calculations for displaying on the left half of the screen of the CRT 8 is performed and its information is given to the storage controlling part 6 of the memory 9. The screens of the windows (a) and (b) are split and enlarged left and right so as to be displayed. It is completed by one instruction, so that the operability is made excellent.