DATA PROCESSING SYSTEM HAVING SUB-SCREEN DISPLAY DEVICE

摘要

PURPOSE:To execute subordinate display processing in addition to a main display device by setting up one or plural sections for bit map data, segmenting each section and transferring the segmented section to a sub-screen display device. CONSTITUTION:A setting means 11 sets up one or plural sections for bit map data developed in a developing means 10 in response to a request from a user program e.g. and sets up copied position data indicating a position displaying the bit map data of each section on a sub-screen. A transfer means 12 segments the bit map data of each section set up by the means 11 from bit map data developed in the means 10 and then transfers the segmented bit map data to a sub-screen display device 3 correspondingly to the set copied position data. The device 3 displays the transferred bit map data on a sub-screen position indicated by the transferred copied position data.