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.

Date of Patent:
Feb. 18, 1997

Filed:

Feb. 01, 1991
Applicant:
Inventor:

Michael A Denio, Sugerland, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395500 ; 395800 ; 3642393 ; 364D / ;
Abstract

A software product and method for operating a computer, so that a first program operating in a first operating mode having a first addressing format may call code located in a second program operating in a second operating mode having a second addressing format. An argument converter converts all arguments in a stack used in inter-process communication from the first addressing format to the second addressing format. A call gate converts the desired return address into the second addressing format. Thus the called second program properly recognizes the received data and upon completion generates the correct return address.


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