On Wed, 19 Dec 2007 21:01:18 -0500, Doug Fuerst wrote: >... IBM also kept the >existence of the diagnose instruction hidden in obscure places for >many years before innocently admitting that it existed and was pretty powerful.
While its function was (and still is, AFIAK) undocumented, the existence of DIAGNOSE is not a secret. If you go to bitsavers, you can find A22-6821-0, the first edition of ther Systen 360 Principles of Operation. Diagnose is on page 74. http://bitsavers.trailing-edge.com/pdf/ibm/360/poo/A22-6821- 0_360PrincOps.pdf -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
