Browse Prior Art Database

Effective Address Calculation Control Word

IP.com Disclosure Number: IPCOM000056268D
Original Publication Date: 1980-Nov-01
Included in the Prior Art Database: 2005-Feb-14

Publishing Venue

IBM

Related People

Authors:
Berglund, NC Crowley, RD Kempke, WG Richardson, WC [+details]

Abstract

It is important in computer systems which have many storage-type instructions to make the storage operand address resolution path as fast as possible and yet at a cost which is compatible with the cost performance objectives of the computer system. Many computer systems have branch instructions requiring calculation of the branch to address which has to be calculated, resolved and checked for validity. Because of the high usage of branch instructions it is important that the branch path taken path be as fast as possible and yet within cost objectives.