| 摘要 |
<p>PURPOSE:To ensure the service to the virtual screen ant to simplify the process for the display by providing the screen format tabel to store the description information concerning the virtual screen and the screen control block to store the control information concerning the frame to be displayed. CONSTITUTION:Display unit 1 containing the function keys is provided, along with display control block 6 to store the real picture control information concerning the display screen displayed on real screen 2 of unit 1. In such display unit, plural numbers of virtual screen 4 are assumed corresponding to the screens to be displayed regardless of the size of screen 2, and at the same time screen format table 7 is installed to store the description informationconcerning the frame corresponding to screen 4. In addition, screen control block 8 is provided to main memory 5 to store the control information concerning the frame to be displayed in relation to screen 4, along with frame control block 9 to store the data to displayed relating the frame of screen 4.</p> |
