公开(公告)号：US3603936A

公开(公告)日：1971-09-07

申请号：US3603936D

申请日：1969-12-08

Applicant: IBM

Inventor： ATTWOOD DENNIS P ,  SYME DAVID M ,  TUFFILL HAROLD W

IPC: G06F9/22 ,  G06F11/267 ,  G06F11/04

CPC classification number: G06F11/2215 ,  G06F9/226 ,  G06F11/2236

Abstract: Apparatus for injecting simulated monitoring or control data into a microprogrammed data processing system for diagnostic purposes to initiate a particular system test or response. The data injection takes place at a preselected stage during the execution of a microprogram which stage is identified from microprogram addressing or clocking information.

公开(公告)号：CA865312A

公开(公告)日：1971-03-02

申请号：CA865312D

Applicant: IBM

Inventor： ATTWOOD DENNIS P ,  TUFFILL HAROLD W ,  SYME DAVID M