From mboxrd@z Thu Jan 1 00:00:00 1970 From: cym224 at gmail.com (Nemo) Date: Mon, 6 Aug 2018 11:25:03 -0400 Subject: [COFF] [TUHS] In Memoriam: Per Brinch Hansen In-Reply-To: <20180806024814.GA79584@server.rulingia.com> References: <201808021244.w72CiuU4025022@tahoe.cs.Dartmouth.EDU> <20180806024814.GA79584@server.rulingia.com> Message-ID: On 05/08/2018, Peter Jeremy wrote: > The book "A Programming Language" by Kenneth Iverson included a formal > description of the IBM 7090 in Iverson Notation (now APL). I believe that > is the first formal description of any computer. The success of that led > IBM to include a formal description of the System/360 architecture in the > IBM Systems Journal issue introducing the S/360. Blaauw & Brooks wrote a massive tome describing all manners of machines in APL ("Computer Architecture: Concepts and Evolution", A-W). I am not familiar with it. Is anyone on the list familiar with it? > I've been told that IBM has since regretted that decision since it opened > the way for other manufacturers to clone the S/360. Interesting! N.