Patent ID: 6342892
Filing Date: 2002-01-29
Classification: A63F,G06T

Abstract:
In a video game system including a microcomputer, a graphics and audio coprocessor, and a randomly accessible memory capable of at least in part operating as a frame buffer, said graphics and audio coprocessor comprising:a signal processor shared between graphics processing and audio processing, said signal processor including a scalar processing unit, a vector processing unit, an instruction memory and a data memory having a task list including both graphics tasks and audio tasks, the scalar processing unit and the vector processing unit executing instructions from the instruction memory to perform the graphics tasks and audio tasks from the task list to provide graphics and audio data; a display processor, coupled to said signal processor, the display processor including a rasterizer circuit, a texture unit and associated texture memory, a color combiner, a blender circuit for, in use, blending the color combiner output with contents of the frame buffer, and a memory interface circuit for, in use, being coupled to the random access memory; an input/output circuit for, in use, being coupled to the microcomputer, a video display, an audio reproducer, an external program memory, and at least one humanly manipulable input device; and a main bus and a private bus for connecting said signal processor and said display processor.