| 摘要 |
PROBLEM TO BE SOLVED: To reduce a processing load in an image display.SOLUTION: A display area of an image display device 5 is configured by disposing a plurality of display elements in a matrix shape. A performance control CPU 120 and a VDP of a display control part 123 that executes image processing according to a command of the performance control CPU 120 display a composed image formed by superimposing a background image, an information image disposed on a front face of the background image, and a grating image that is disposed on a front face of the information image and formed with transmission areas corresponding to the display elements, into the matrix shape, and execute a pseudo scroll display performance in which the information image is moved laterally without changing display modes of the background image and the grating image. |
