GRAPHIC DISPLAY DEVICE

GRAPHIC DISPLAY DEVICE

PURPOSE: To quickly switch a window by making a higher-order processor indicate a window to be plotted to a lower-order processor at the time of window switching and using a display attribute stored in a pertinent storage area to perform the plotting processing. CONSTITUTION: When a window is switch...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAIBARA TOORU, AKATSU MASAMITSU, NISHIDA TAKEHIKO
Format: Patent
Sprache:eng
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Beschreibung
Zusammenfassung:PURPOSE: To quickly switch a window by making a higher-order processor indicate a window to be plotted to a lower-order processor at the time of window switching and using a display attribute stored in a pertinent storage area to perform the plotting processing. CONSTITUTION: When a window is switched, a higher-order processor 61 sends the occurrence of window switching and information of a new window to a lower-order processor 62, and this processor uses the display attribute storage area of the new window to perform the plotting processing. when the window is switched back to the original window, the display attribute storage area where the latest attribute information is stored is used by the indication of the higher-order processor to perform the plotting processing without especially performing the restoration processing of the display attribute. Thus, window switching takes no time.