| 摘要 |
<p>PURPOSE:To provide the display controller which scrolls a desired display line on a display screen, pixel by pixel, to the right and left. CONSTITUTION:A CPU 1 writes the code of a character to be displayed in a display RAM 4 corresponding to the liquid crystal display position and then an optional character is read out of a character generator ROM 5 and displayed. This controller is provided with a scroll display line specification register 15 which specifies an optional display line to be scrolled and a scroll dot quantity register 16 which specifies a scroll quantity in pixel units; and a scroll shift register 11 delays character data of the specified display line by a specified number of dots and supplies the character data to a segment-side shift register 12.</p> |
