Saving time when reading data variables stored in a memory...

Details Saving time when reading data variables stored in a memory... Saving time when reading data variables stored in a memory...

G - Physics

06

F

G06F 12/02 (2006.01) G06F 9/38 (2006.01)

Patent

CA 2081625

A B S T R A C T A data processing system (3) generates successive individual numbers and write and read orders respectively for transmitting data variables from the data processing system to a memory device (1), and vice versa, via a variable register (9) in which data variables are temporarily stored. A pointer device (2) connected to the memory device converts the individual numbers to memory pointer values, so as to provide access to storage locations (10) indicated thereby, these storage locations being assigned to in- dividuals identified by the individual numbers. For reading variables stored in the memory device, a time saving facility is obtained by providing the variable register with an activating input (18), and by including an intermediate register (13), a comparator (14), a control signal generator (15) and a stop circuit (7). A first individual number is temporarily stored in the intermediate register. The comparator compares the first in- dividual number with a second individual number obtained from the data processing system immediately after the first individual number. The control signal generator generates a control signal when the comparison shows equality and when the second individual number belongs to a read order. The stop circuit responds to the control signal, by stopping the calculation of the pointer value belonging to the second individual number. The activating input of the variable register responds to the control signal by activating transmission of the temporarily stored data variable to the data processing system.

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