Data processing system

Claim 1

IN A SYSTEM THE COMBINATION OF WHICH COMPRISES: (A) INPUT MEANS FOR PROVIDING A SERIES OF DIGITAL SIGNALS A CHARACTER AT A TIME; (B) AN ADDRESSABLE MEMORY UNIT INCLUDING BUFFER STORAGE LOCATIONS FOR STORING THE CHARACTERS FROM THE INPUT MEANS AND INCLUDING A PREDETERMINED STORAGE LOCATION FOR STORING THE ADDRESS OF A BUFFER STORAGE LOCATION IN WHICH A CHARACTER FROM THE INPUT MEANS IS TO BE STORED; (C) MEANS ADAPTED FOR SELECTIVELY READING THE BUFFER ADDRESS OUT OF THE PREDETERMINED STORAGE LOCATION OF THE MEMORY UNIT WHEN A CHARACTER FROM THE INPUT MEANS IS TO BE STORED; (D) REGISTER MEANS FOR STORING THE BUFFER ADDRESS READ OUT OF THE PREDETERMINED STORAGE LOCATION; (E) MEMORY ADDRESS REGISTER MEANS FOR STORING THE BUFFER ADDRESS STORED IN THE REGISTER MEANS; (F) MEANS COMPRISING ADDING MEANS CONNECTED FOR MODIFYING THE BUFFER ADDRESS STORED IN THE REGISTER MEANS AND FOR FORMING THE ADDRESS OF THE NEXT SEQUENTIALLY ADDRESSABLE BUFFER STORAGE LOCATION IN WHICH AN INPUT CHARACTER IS TO BE WRITTEN, SAID REGISTER MEANS FURTHER BEING ARRANGED FOR STORING THE MODIFIED BUFFER ADDRESS; (G) MEANS FOR WRITING THE MODIFIED BUFFER ADDRESS STORED IN THE REGISTER MEANS BACK INTO THE PREDETERMINED STORAGE LOCATION OF THE MEMORY UNIT, SAID REGISTER MEANS ADDITIONALLY BEING ARRANGED FOR STORING AN INPUT CHARACTER PROVIDED BY THE INPUT MEANS; AND (H) MEANS FOR WRITING THE INPUT CHARACTER STORED IN THE REGISTER MEANS INTO THE BUFFER STORAGE LOCATION SPECIFIED BY THE BUFFER ADDRESS STORED IN THE MEMORY ADDRESS REGISTER MEANS.