Conditionally operating electronic data processing system

Claim 1

IN AN ELECTRONICALLY OPERATING DATA PROCESSING SYSTEM, OPERABLE IN VARIOUS OF STEPS OF OPERATIONS, AT LEAST ONE PROCESSING UNIT, DATA STROAGE MEANS COMPRISING A NUMBER OF LOCATIONS FOR STORING DATA, PROGRAM STORAGE MEANS WITH A NUMBER OF LOCATIONS, EACH FOR STORING A FIXED INSTRUCTION WORD CAPABLE OF CONTROLLING ONE STEP OF OPERATION OF THE SYSTEM, MEANS REACTING TO CERTAIN BITS IN CERTAIN POSITIONS OF AN INSTRUCTION WORD BY SELECTING LOCATIONS IN THE DATA STORAGE MEANS, MEANS REACTING TO CERTAIN BITS IN CERTAIN POSITIONS OF AN INSTRUCTION WORD BY SETTING SAID PROCESSING UNIT SO AS TO EFFECT CERTAIN OPERATIONS WITH DATA STORED IN THE SELECTERD LOCATIONS OF THE DATA STORAGE MEANS, MEANS REACTING TO OTHER BITS OF AN INSTRUCTION WORD CONSTITUTING AN INSTRUCTION WORD BY SELECTING THE LOCATION IN THE PROGRAM STORAGE MEANS STORING THE INSTRUCTION WORD WHICH IS TO CONTROL THE NEXT STEP OF OPERATIONS, AT LEAST ONE DECISION ESTABLISHING MEANS RECEIVING RESULTS OBTAINED IN THE PROCESSING UNIT FOR DECIDING WHETHER SAID RESULT FULFILLS A CERTAIN CONDITION, OUTPUT CIRCUIT MEANS FOR SAID DECISION ESTABLISING MEANS, TO WHICH THE DECISION ESTABLISHING MEAANS, DEPENDING UPON THE DECISION TAKEN, APPLY DIFFERENT POTENTIALS A PLURALITY OF DECISION REGISTERS COMPRISING STORAGE MEANS INCLUDING INPUT CIRCUITS FOR CONTROLLING THE SETTLING OF THE SAID STORAGE MEANS AND OUTPUT CIRCUIT MEANS FOR READING THE SETTLING OF THE SAID STORAGE MEANS, AN INPUT SELECTOR, A CHANNEL BETWEEN SAID INPUT SELECTOR AND THE OUTPUT CIRCUIT MEANS OF THE DECISION ESTABLISHING MEANS, CONTROL MEANS FOR SAID INPUT SELECTOR CONTROLLED BY CERTAIN BITS IN CERTAIN POSITIONS OF AN INSTRUCTION WORD FOR CONTROLLING SAID INPUT SELECTOR TO ESTABLISH A CONTROL CONNECTION BETWEEN SAID CHANNEL AND INPUT CIRCUITS OF THE STORAGE MEANS IN A DECISION REGISTOR IDENTIGIED BY THE SAID BITS, OVER WHICH CONTROL CONNECTION THE STORAGE MEANS ARE SET IN ACCORDANCE WITH THE POTENTIAL SUPPLIED OVER SAID CHANNEL, MODIFYING MEANS FOR MODIFYING THE INSTRUCTION WORD ADDRESS, AS SUPPLIED BY A LOCATION IN THE PROGRAM STORAGE MEANS, BEFORE IT EFFECTS THE SELECTION OF THE NEXT LOCATION IN THE PROGRAM STORAGE MEANS, AND AN OUTPUT SELECTOR CONTROLLED BY CERTAIN BITS IN CERTAIN POSITIONS OF AN INSTRUCTION WORD TO ESTABLISH A CONNECTION BETWEEN SAID MODIFYING MEANS AND THE OUTPUT CIRCUIT MEANS OF THE STORAGE MEANS COMPRISED IN A DECISION REGISTER IDENTIFIED BY SAID BITS, SAID MODIFYING MEANS BEING CONTROLLED OVER THIS CONNECTION BY THE STORAGE MEANS, DEPENDING UPON THE SETTING OF SAID STORAGE MEANS, EITHER TO MODIFY THE INSTRUCTION WORD ADDRESS AS SUPPLIED BY THE PROGRAM STORAGE MEANS OR TO LEAVE THE SAID ADDRESS UNCHANGED.