Hitachi, Ltd.

Hitachi Chubu Software, Ltd.

Hitachi Software Engineering Company, Ltd.

Hitachisoftware Eng. Co., Ltd.

Seiji Oyama

Jun Kitahara

Tomohisa Kohiyama

Ichiro Ote

Sunao Hirata

Takumi Soen

A graphic display processing apparatus which includes a CPU, a VRAM and a display controller, a data operation unit, an access cycle generator, an address generator and a sequential transfer sequencer. The graphic display processing apparatus also includes a mask pattern generator, dot mask generator and data position transformer. In the graphic display process apparatus block transfer and character drawing are reformed at high speeds, thereby making a window system more practical and offering comfortable operational environment to the user.

Graphic display processing apparatus for improving speed and efficiency

A graphic display processing apparatus which includes having a CPU, a VRAM and a display controller, a data operation unit, an access cycle generator, an address generator and a sequential transfer sequencer. The graphic display processing apparatus also includes a mask pattern generator, dot mask generator and data position transformer. In the graphic display processing apparatus block transfer and character drawing are performed at high speeds, thereby making a window system more practical and offering comfortable operational environment to the user.

Graphic display processing apparatus and method for improving the speed

Growing community of inventors

Seto, Japan

Seiji Oyama