Nec Corporation

Yuko Ohde

Hideo Tanaka

Ichiro Kuroda

A program control circuit which comprises a register for holding the repetition number of a program operation to be repeated. The control circuit further comprises a counter for receiving the content of the register and adapted to be decremented in response to each execution of the program operation to be repeated. A memory stores a sequence of instructions. A controller transfers an instruction read from the memory without modification in a normal condition and modifies the instruction read from the memory into a no-operation instruction when the contents of the counter reaches a predetermined contents.

Program control circuit determining the designated number of times a

A 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.

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Tokyo, Japan

Yuko Ohde