Browse Prior Art Database

Microprocessor Program Trace Control Utilizing I/O or Memory Mapped Trap Activation

IP.com Disclosure Number: IPCOM000051944D
Original Publication Date: 1981-Apr-01
Included in the Prior Art Database: 2005-Feb-11

Publishing Venue

IBM

Related People

Authors:
Farrell, WR Gorga, KJ [+details]

Abstract

A microprocessor (MPU) program trace control arrangement which utilizes I/O or memory mapped trap activation is described. Through appropriate hardware and software support, it enables monitoring software support activity by using instruction step and address compare.