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:
May. 02, 1995

Filed:

Oct. 08, 1993
Applicant:
Inventors:

Vlad Bril, Campbell, CA (US);

Paul W Heller, San Jose, CA (US);

Assignee:

Cirrus Logic, Inc., Fremont, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395500 ; 3642323 ; 3642372 ; 3642643 ; 364D / ; 364247 ;
Abstract

A method and apparatus for executing any one of a plurality of computer programs for operation of a single output device in a computer system through the control of parameters loaded in registers in the system, the computer system having program compatibility requirements for programs to be executed, includes commencing execution of each of the programs as if it were compatible with said system program compatibility requirements, and modifying the results of any attempts by the program being executed to directly load the register parameters controlling the output device if the loading attempts are non-compatible with the system program compatibility requirements, the modification making the results of the loading attempts system compatible.


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