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:
Feb. 27, 2001
Filed:
Jul. 29, 1998
Taketo Heishi, Osaka, JP;
Nobuo Higaki, Osaka, JP;
Akira Tanaka, Yawata, JP;
Tetsuya Tanaka, Ibaraki, JP;
Shuichi Takayama, Takarazuka, JP;
Kensuke Odani, Kyoto, JP;
Shinya Miyaji, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka-Fu, JP;
Abstract
A processor for decoding and executing an instruction includes: an instruction register,for storing an instruction; a format decoder,for decoding a format code located in the P,field,of the instruction stored in the instruction register,; a constant storage unit including a storage region; a constant register control unit,which, when the format decoder,has referred to the format code and decoded that an operation field includes a constant to be stored in the constant register,, transfers the constant from the instruction register,to the constant storage unit,; and a constant register output unit,which, when the format decoder,has referred to the format code and decoded that an operation field includes an operation code showing an operation that should be executed and a piece of an operand that should be used for the operation, links the constant stored in the constant register,with the piece of the operand.