Instruction and operand processing

Claim 1

A DIGITAL COMPUTER INCLUDING: A MEMORY FOR STORING BINARY SIGNALS REPRESENTATIVE OF A PLURALITY OF OPERAND WORDS AND OF A PLURALITY OF DOUBLE-INSTRUCTION WORDS, EACH INSTRUCTION IN EACH OF SAID DOUBLE-INSTRUCTION WORDS HAVING AN ADDRESS PORTION INDICATING THE ADDRESS IN MEMORY OF RESPECTIVE ONES OF THE OPERAND WORDS, AND EACH INSTRUCTION HAVING AN ORDER PORTION INDICATING THE OPERATION TO BE PERFORMED ON EACH SUCH OPERAND WORD; A MEMORY DATA REGISTER INCLUDED IN SAID MEMORY FOR HOLDING THE OPERAND WORDS AND THE DOUBLE-INSTRUCTION WORDS SELECTED FROM SAID MEMORY; AND ADDRESS REGISTER; CIRCUITRY COUPLED TO SAID ADDRESS REGISTER AND TO SAID MEMORY FOR CONTROLLING THE SELECTION OF THE OPERAND WORDS AND OF THE DOUBLEINSTRUCTION WORDS FROM SAID MEMORY AND THE INTRODUCTION THEREOF TO SAID MEMORY DATA REGISTER IN ACCORDANCE WITH THE ADDRESS IN SAID ADDRESS REGISTER; INSTRUCTION COUNTER MEANS COUPLED TO SAID ADDRESS REGISTER FOR INSERTING IN SAID ADDRESS REGISTER THE ADDRESS OF THE NEXT DOUBLE-INSTRUCTION WORD TO BE EXECUTED AFTER EACH SUCH DOUBLE-INSTRUCTION WORD HAS BEEN EXECUTED; AN INSTRUCTION REGISTER FOR HOLDING THE INDIVIDUAL INSTRUCTIONS OF EACH DOUBLE-INSTRUCTION WORD IN SAID MEMORY DATA REGISTER; AN ORDER REGISTER FOR HOLDING THE ORDER PORTION OF EACH OF THE AFORESAID INSTRUCTIONS IN SAID INSTRUCTION REGISTER; LOGIC CIRCUITRY COUPLED TO SAID MEMORY DATA REGISTER AND TO SAID INSTRUCTION REGISTER FRO TRANSFERRING THE FIRST INSTURCTION OF THE DOUBLE-INSTRUCTION WORD IN SAID MEMORY DATA REGISTER TO SAID INSTRUCTION REGISTER AT A FIRST SELECTED TIME DURING A PARTICULAR OPERATIONAL PHASE OF THE COMPUTER, AND FOR TRANSFERRING THE ADDRESS PORTION OF SAID FIRST INSTRUCTION TO SAID ADDRESS REGISTER AND THE ORDER PORTION OF SAID FIRST INTRUCTION TO SAID ORDER REGISTER AND THE SECOND INSTRUCTION OF SAID DOUBLE-INSTRUCTION WORD TO SAID INSTRUCTION REGISTER AT A SECOND SELECTED TIME DURING SAID PARTICULAR OPERATIONAL PHASE; AB ADDER CIRCUIT COUPLED TO SAID INDEX MODIFING WORD; AN ADDER CIRCUIT COUPLED TO SAID INDEX REGISTER AND TO SAID INSTRUCTION REGISTER; AND FURTHER LOGIC CIRCUITRY COUPLED TO SAID INDEX REGISTER AND TO SAID INSTRUCTION REGISTER FOR SHIFTING DURING A TIME INTERVAL BETWEEN SAID FIRST AND SECOND SELECTED TIME THE ADDRESS PORTION OF THE INSTRUCTION IN SAID INSTRUCTION REGISTER AND THE WORD IN SAID INDEX REGISTER SERIALLY THROUGH SAID ADDER CIRCUIT AND INTO SAID INSTRUCTION REGISTER TO MODIFY SAID LAST-NAMED ADDRESS PORTION.