JP2764788B

PURPOSE:To display new display data so that the contents of display data originally displayed on a display screen can be recognized when displaying the new display data in an area at one part on the display screen. CONSTITUTION:The display data stored in a video RAM 26a for normal display are displayed through a CRT controller 25 onto a CRT 28. In this case, when a Chinese character (KANJI) input key is operated at a keyboard 27, a guidance display picture stored in a video RAM 26b for KANJI conversion is displayed on the CRT 28. At such a time, the display data to be read from the video RAM 26a for normal display are read out in the state of shifting the address.