Patent ID: 6966837

Claim:
A method for use in a game system having a first game apparatus containing a first processor, and a separately housed portable game system containing a second processor and a touch screen positioned on a first discrete display device, the method of operating said game system comprising the steps of: (a) executing a first game program in said first processor to generate first picture data that represents plural body parts of a first 3-dimensional player-controlled animated character moving in a first simulated 3-dimensional game world for display on a first display device; (b) digitally transferring game data from said first processor through a data transmission link to said second processor; (c) executing a second game program in said second processor to generate second picture data in accordance with said transferred game data in said portable game system, the second picture data representing plural body parts of a second 3-dimensional player-controlled animated character moving in a second simulated 3-dimensional game world for display on said first discrete display device in said portable game system; (d) electronically sensing a manually operated object positioned at successive locations on said touch screen; and (e) generating third picture data representing a simulated 3-dimensional object moving in said second simulated 3-dimensional game world in accordance with said successive locations on said touch screen for display on a second discrete display device in a portable game system.