Data access program instruction encoding

Details Data access program instruction encoding Data access program instruction encoding

2007-02-07

2008-11-04

Portka, Gary J (Department: 2188)

Electrical computers and digital processing systems: memory

Address formation

Combining two or more values to create address

C711S212000, C711S214000, C712S209000, C712S210000, C712S221000, C712S225000

Reexamination Certificate

active

07447871

ABSTRACT:
A data processing apparatus2is provided which is responsive to data access instructions to perform data access operations. These data access instructions have a first form utilizing a 12-bit offset field but with a fixed addressing mode and a second form utilizing a shorter 8-bit offset field but with an addressing mode specified within a manipulation mode control field of the data access instruction.

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IPER for PCT/GB03/05684, Oct. 10, 2005.

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