| 摘要 |
<p>A display control circuit system (10) is disclosed which, while maintaining the compatibility of software perfectly, can realize various specifications of the software, provided for a gradation display in an LCD display (20) to realize substantially the same level of access as in a CRT display (20), permits a configuration control, and, when one or more bits are expanded in the conventional software, can protect the function-expanded bit(s). The display control system (10) includes mode select means (71) to select either a mode for controlling the display of CRT or a mode for controlling the display of LCD, means to execute the CRT display control, and means to execute the LCD display control.</p> |
