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Maintaining An Interface Between Assembler and A High-level Language During An Architecture Change

IP.com Disclosure Number: IPCOM000030957D
Original Publication Date: 2004-Sep-02
Included in the Prior Art Database: 2004-Sep-02

Publishing Venue

IBM

Abstract

A method is described for maintaining an interface between assembler and a high-level language during an architecture change while minimizing coding changes. By having the operating system selectively extend the sign bit on data returned through the assembler/high-level language interface, code changes can be minimized while upgrading the architecture.