Antonelli, Terry, Stout & Kraus, LLP
Microprocessor, and graphics processing apparatus and method using the same
A microprocessor suitable for processing a large quantity of graphics data. Graphics processing apparatus and method using the microprocessor are also disclosed.The microprocessor independent of a CPU has two ports, and performs an instruction fetch and a data access or a memory access simultaneously to two memories mounted on separate buses.In the graphics processing apparatus in which this microprocessor is employed, the graphics transfer between a system memory and a frame memory can be performed at higher speed.
Hitachi, Ltd.
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Syoji Shigeru Takashi Tooru Hiromichi Tadashi
Yoshida Matsuo Miyamoto Komagawa Yamada Fukushima