Method, apparatus and navigation apparatus for sharing display by plural operating systems

摘要

In a display apparatus where a plurality of operating systems (303, 304) are operated on a single processor , the plurality of operating systems (303, 304) share one and the same display (2) in different display environments one example of which is a color pallet. In order to implement this configuration, the display apparatus includes the following configuration components: The plurality of operating systems (303, 304), a display switching processing unit (311) for switching the displays of the plurality of operating systems (303, 304), graphics-drawing frames (321, 322) corresponding to the plurality of operating systems (303, 304), and a display environment changing processing unit (310) for changing, in correspondence with the display switching performed by the display switching processing unit (311), the display environments such as the color pallet, a color mode, and a frame address.