Computer branch command

Claim 1

IN A STORED PROGRAM DIGITAL COMPUTER, COMPRISING: (A) MEMORY MEANS FOR STORING A COMPUTER PROGRAM INCLUDING A BRANCH INSTRUCTION HAVING AT LEAST A MODIFIER PORTION, AND THE ADDRESSES CORRESPONDING TO A RETURN FROM BRANCH INSTRUCTION; (B) MEANS FOR NORMALLY AND SEQUENTIALLY FORMING ADDRESSES CORRESPONDING TO INSTRUCTIONS AND FOR READING SUCH INSTRUCTIONS OUT OF THE MEMORY MEANS; (C) MEANS FOR SELECTIVELY COMBINING THE MODIFIER PORTION OF A BRANCH INSTRUCTION READ OUT OF THE MEMORY MEANS WITH AN ADDRESS FORMED BY THE ADDRESS FORMING MEANS FOR FORMING A RETURN FROM BRANCH ADDRESS; AND (D) MEANS FOR WRITING THE RETURN FROM BRANCH ADDRESS INTO THE MOMORY MEANS LOCATION IDENTIFIED BY THE RETURN FROM BRANCH INSTRUCTION ADDRESS CONTAINED IN THE STORED BRANCH INSTRUCTION FOR THEREBY FORMING AN INSTRUCTION FOR RETURNING THE COMPUTER TO A PREDETERMINED INSTRUCTION IN THE PROGRAM AFTER THE BRANCH.