Patent ID: 6492992
Filing Date: 2002-12-10
Classification: G06T,G09G

Abstract:
A data processing apparatus comprising:a system memory which holds a program or data; a data processor which executes said program to process said data, and generates a command or data to process graphic data; a graphic memory which holds a plurality of one-word graphic data, each said one-word graphic data being constituted by a plurality of pixel data arranged within a word which is a unit of data access to said graphic memory, and each said pixel data being constituted by plural bits; and a graphic processor which reads from said graphic memory graphic data specified by a memory address for specifying one-word graphic data in order to access said graphic data on a one-word basis according to a command or data from said data processor, specifies predetermined pixel data by a pixel address for specifying the predetermined pixel data in said one-word graphic data specified by said memory address, processes the pixel data thus specified according to said command, and writes one-word graphic data containing the pixel data thus processed in said graphic memory.