Method and system for displaying visual information on a screen by line-by-line scanning and point by point of frames video

摘要

This process and this system of the to interpret the contents of the fields of addresses and of the fields of data supplied by a unit of the central traitement1 which regit the management of the display. The fields of addresses are selectively interpreters to allow a direct access by the unit has a memory generale5 of the system or to constitute the instructions of a processor video2. In this case, the address can control a cycle of operation in the first priority for the control of the processor or the embodiment of a series of operations with a low priority, whereby the processeur2 can be treated, the image information without the intervention of the central unit. / p & & p & application to the systems of teletext, video and the like.