The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 1990
Filed:
Mar. 21, 1989
Hitachi, Ltd., Tokyo, JP;
Abstract
An instruction processor effecting operations for register operands and for processing branch instructions to perform address calculations for branch destination instructions, comprising general-purpose registers storing data including results of operations of said instruction processor, address adders calculating the address of branch destination instructions by using data read out from the general-purpose register and an ALU performing arithmetical or logical operations on the data read out from the general-purpose register in the decode cycle of the instructions. The result of the arithmetical or logical operation is inputted into the address adder but not from the general-purpose register, in the case where the result of the arithmetical or logical operation is utilized for address calculation in the execution of a succeeding instruction.