External memory system having programmable graphics processor for use in a video game system or the like

摘要

A video game system for use with a television type display. The system comprises a game microprocessor for executing instructions of a video game program, and a picture processing unit coupled to said game microprocessor for performing picture processing tasks under the control of said game microprocessor. The system further comprises a program memory for storing the video game program and a programmable graphics processor coupled to the program memory and connected in use to said game microprocessor for executing at least some of said video game program instructions.