Patent ID: 7327371

Claim:
A display control device comprising: an image data generating unit for generating image data for a plurality of display layers according to a series of command; an image data storage unit for storing generated image data respectively in storage areas of a memory unit, the storage areas corresponding to the display layers; and a display processing unit for reading image data of the plurality of display layers stored in the memory unit to superimpose the image data, converting the image data into display output signals, and setting a display switching information in accordance with enable information included in a first command in the series of commands, wherein the display switching information indicates whether or not the storage area from which the image data is read is switched, wherein the display processing unit reads the image data of one or more display layers selected by the display switching information, the one or more display layers to be superimposed on a display screen of a display device, in response to the display control device receiving a display vertical synchronous signal of the display device, and wherein the first command is for indicating termination of generation of image data for one display layer.