Patent ID: 6101572
Filing Date: 2000-08-08
Classification: G06F

Abstract:
A data transfer system comprising:memory means having a plurality of memory positions for storing image data;first address means for generating a first address for designating a first one of said memory positions in a first area in said memory means;second address means for generating a second address for designating a second one of said memory positions in a second area in said memory means;reading means for reading image data from the first area designated by the first address means;writing means for writing the read image data to the second area designated by the second address means;checking means for checking whether or not the first address of the first area and the second address of the second area have a portion in common; andcontrol means for controlling said first address means to firstly generate the first address of the common portion of the first address when the first address and the second address have the common portion and to firstly generate a start address of the first area when the first address and the second address do not have the common portion.