Patent ID: 6921336

Claim:
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 discrete display device, a method of operating said game system comprising the steps of: (a) executing a first game program in said first processor to generate first non-sprite polygon data that represents a shape of at least a portion of a first 3-dimensional player-controlled character moving in a first simulated 3-dimensional game world; (b) mapping texture onto said first polygon data to represent a textured portion of said first player-controlled character for display on a first display device; (c) digitally transferring game data from said first processor through a data transmission link to said second processor; (d) executing a second game program in said second processor in accordance with said transferred game data to generate second non-sprite polygon data that represents a shape of at least a portion of a second 3-dimensional player-controlled character moving in a second simulated 3-dimensional game world; and (e) mapping texture onto said second polygon data in said portable game system to represent a textured portion of said second player-controlled character for display on said discrete display device in said portable game system.