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:
Mar. 08, 1994
Filed:
Sep. 21, 1990
Applicant:
Inventor:
Eric H Jensen, Livermore, CA (US);
Assignee:
Sun Microsystems, Inc., Mountain View, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395375 ; 36423223 ; 3642624 ; 364263 ; 3642631 ; 364D / ;
Abstract
A processor for a SPARC based RISC computer including a central processing unit including a register file having a pair of read ports and a write port, an instruction register for holding an instruction including addresses of registers to be read and written to, a multiplexor, and apparatus for controlling the multiplexor to transfer the address from a write position of the instruction register to the register file such that the information stored in the addressed register is transferred out of the register file through one of the read ports on the clock cycle following a store instruction.