Computer program system

Claim 1

AN ELECTRONIC DIGITAL COMPUTER IN WHICH AN ARITHMETALIC OPERATION IS PERFORMED ON A PREDETERMINED NUMBER OF DIGITS OF A FIRST OPERAND, SAID PREDETERMINED NUMBER OF DIGITS BEING SPECIFIED BY A FIELD CONTROL SECTION OF AN INSTRUCTION WORD, SAID COMPUTER COMPRISING A PLURALITY OF ADDRESSABLE STORAGE LOCATIONS, SAID FIRST OPERAND BEING STORED AT ONE OF SAID ADDRESSABLE STORAGE LOCATIONS, A SECOND OPERAND STORED IN A SECOND ONE OF SAID ADDRESSABLE STORAGE LOCATIONS, AN ARITHMETIC REGISTER HAVING A NUMBER OF POSITIONS AT LEAST EQUAL TO THE MAXIMUM NUMBER OF DIGITS IN SAID FIRST OPERAND, MEANS FOR TRANSFERRING SAID FIRST OPERAND TO SAID ARITHMETIC REGISTER UNDER CONTROL OF SAID INSTRUCTION WORD, AN AUXILIARY REGISTER, MEANS FOR TRANSFERRING SAID SECOND OPERATED TO SAID AUXILIARY REGISTER UNDER CONTROL OF SAID INSTRUCTION WORD, A FIELD REGISTER SAID FIELD CONTROL SECTION OF SAID INSTRUCTION WORD BEING STORED IN SAID FIELD REGISTER, A FIELD RING, SAID FIELD RING SEQUENTIALLY PRODUCING A PLURALITY OF CONTROL SIGNALS EACH OF WHICH READS A PARTICULAR DIGIT OF SAID FIRST OPERAND OUT OF THAT POSITION IN SAID ARITHMETIC REGISTER IN WHICH THE DIGIT IS STORED, A SWITCH MATRIX ASSOCIATED WITH SAID FIELD REGISTER, THE OUPTUT OF SAID SWITCH MATRIX BEING CONNECTED TO SAID FIELD RING, SAID SWITCH MATRIX PRODUCING A START SIGNAL FOR INITIATING SEQUENTIAL OPERATION OF SAID FIELD RING WITH THE CONTROL SIGNAL CAUSING READ-OUT OF THE LEAST SIGNIFICANT DIGIT OF SAID FIRST OPERAND SPECIFIED BY THE FIELD CONTROL SECTION OF SAID INSTRUCTION WORD, MEANS FOR READING SAID SECOND OPERAND OUT OF SAID AUXILIARY REGISTER SERIALLY, SAID SECOND OPERAND READING MEANS INCLUDING A PROGRAM RING, SAID PROGRAM RING SEQUENTIALLY PRODUCING A PLURALITY OF CONTROL SIGNALS EACH OF WHICH READ A PARTICULAR DIGIT OF SAID SECOND OPERAND OUT OF THAT POSITION IN THE AUXILIARY REGISTER IN WHICH THE DIGIT IS STORED, AN ARITHMETIC COMPUTING SECTION, MEANS TO SERIALLY TRANSFER SAID SECOND OPERAND TO SAID ARITHMETIC COMPUTING SECTION, MEANS FOR SERIALLY TRANSFERRING THE SELECTED PORTION OF