Apparatus and method to set and reset a pipeline instruction exe

Details Apparatus and method to set and reset a pipeline instruction exe Apparatus and method to set and reset a pipeline instruction exe

1994-04-18

1995-04-04

Dixon, Joseph L.

Boots, shoes, and leggings

395425, 364DIG1, 3642473, G06F 938

Patent

active

054044669

ABSTRACT:
An execution control system for use in a pipeline instruction execution control type information processing device, wherein an instruction interval is executed sequentially after completion of a certain instruction used in, for example, a debugging process and before reading out a next instruction. The execution control system is part of an information processing device which has a pipeline instruction execution control portion. The instruction execution control system has a program status word holding unit for holding a program status word. The program status word includes information indicating whether or not an instruction interval is to be sequentially executed as well as information indicating execution status of a program. The instruction execution control system also has an instruction execution sequencing indicating unit which indicates to the instruction execution control portion whether or not the instructions in the instruction interval are to be sequentially executed.

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