Boots – shoes – and leggings
Patent
1984-08-15
1988-02-23
Eng, David Y.
Boots, shoes, and leggings
G06F 700
Patent
active
047274832
ABSTRACT:
A loop control system for digital processing apparatus. A dedicated storage register and associated counting register are provided for receiving a starting value representing a number of passes through a program loop. An iteration circuit is provided for receiving the value in the counting register, iterating it, and storing the new value in the same counting register with each successive pass through the loop. A detector is provided for comparing the output of the iteration circuit to a predetermined value and providing a completion signal when the new value and the ending value have a predetermined relative relationship. Control logic is provided for causing the value in the storage register to be transferred into the counting register upon the occurrence of an output signal from the detector circuit. A plurality of pairs of storage and counting registers may be provided for keeping track of the number of iterations of nested loops.
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Birdwell William A.
Eng David Y.
Noe George T.
Tektronix Inc.
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