Display control device and method

A display control device which controls display of a display device responding to display processing from a plurality of processing units, comprising:

• a processor connected to the display device;
• and
• a memory connected to the processor where a display control program is stored, wherein when an acquisition request for a display area on the display device is received from each processing unit, said display control program instructs said processor to execute control to decide whether use of the requested display area is to be allowed.

A recording medium recording a display control program for a computer having a display device to control display by a plurality of processing units, whereby the computer executes control for deciding whether use of the requested display area is allowed when an acquisition request for a display area on the display device is received.

A device having a display device which selects a plurality of predetermined display areas according to the processing content and executes display on at least one display area, wherein said device having a display device has a total display area which uses the entire screen of the display device and partial display areas which use divided parts of the screen of the display device as said display areas, where there are a plurality of display areas which are used simultaneously, and a plurality of display areas which are not used simultaneously.

A display control method for controlling display on a display device by each processing unit when display instructions are received from a plurality of processing units, comprising steps of defining a plurality of display areas on the display device, and deciding whether the requested display area can allow use when a display area acquisition request is received from each processing unit, so that only the processing unit for which use is allowed can display on said display area.