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. 20, 2001
Filed:
Jun. 19, 1998
Robert Grieb, Medford, NJ (US);
David M. McWherter, Jr., Mt. Holly, NJ (US);
Franklin Electronic Publishers Incorporated, Burlington, NJ (US);
Abstract
The number of opcode functions exceeds the number of opcodes available by virtue of a technique employing dual function opcodes wherein the second function is executed when a particular resolving flag is put into a set state and otherwise the first function is executed. Furthermore, a generic push opcode and a generic pop opcode are employed without any register pointer designations so that a series of push operations can be performed using a single opcode and a series of pop operations can be performed using a single opcode. The utility of the processor is further enhanced by incorporating a series of handler opcodes that permits simulating on the instruction set of the processor a program designed for a different instruction set. A special simulator opcode called a jump vector opcode is employed to control the operation of reading in the target opcode, applying an algorithm that provides the host processor address for corresponding handler opcodes and jumping to those addresses.