Program control system which simultaneously executes a program to be repeated and decrements repetition numbers
October 14, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3736567 Hardware control for repeating program loops in electronic computers Numerically controlled machine comprising a microprogrammable computer operable with microprograms for macroinstructions and for inherent functions of the machine CPU Employing micro programmable control for use in a data processing system Programmable logic controller Central processing unit Interruptable microprogram controller for microcomputer systems Method of processing an iterative program loop Microcode control mechanism utilizing programmable microcode repeat counter Counter circuit InventorsAssigneeApplicationNo. 258082 filed on 10/14/1988US Classes:712/241Loop executionExaminersPrimary: Williams, Archie E. Jr.Assistant: Mohamed, Ayni Attorney, Agent or FirmInternational ClassesG06F 009/06G06F 009/22 G06F 009/306 G06F 009/40 Foreign Application Priority Data1986-02-03 JPAbstractA for controlling a includes circuit a register for holding the repetition number of a program operation to be repeated, a counter receiving the content of the register and adapted to decrement in response with each execution of the program operation to be repeated, a memory for storing a sequence of instructions, and a controller for receiving an instruction read from the memory modification in a normal condition and to convert the received instruction into a no-operation instruction when the content of the counter becomes a predetermined content. | |
