Shmuel, I'm curious! Do you actually remember all this stuff, or do you still have the manuals and look it up?
Eric Bielefeld Sr. Systems Programmer P&H Mining Equipment 414-671-7849 Milwaukee, Wisconsin ----- Original Message ----- From: "Shmuel Metz (Seymour J.)" <[EMAIL PROTECTED]> Date: Thursday, February 23, 2006 3:06 pm Subject: Re: MVCY > In <[EMAIL PROTECTED]>, on 02/21/2006 > at 12:55 PM, Ed Finnell <[EMAIL PROTECTED]> said: > > >http://www.cs.clemson.edu/~mark/stretch.html > > Missing a few key points: > > 1. Unlike the S/360 et al, Stretch did not have 8-bit bytes; it had > bytes of the size specified by the programmer, and as I recall > they could start at an arbitrary bit position and could straddle > word boundaries. > > 2. The 7909 data channel on the 709x, and similar channels on the > 1410, 7010, 704x, 707x and 7080, were spinoff's of the 7030's > exchange and were the inspiration for the I/O architecture of > the S/360. > > 3. Some peripheral equipment originally designed for Stretch became > common on other boxen, in modified form. > > -- > Shmuel (Seymour J.) Metz, SysProg and JOAT > ISO position; see > <http://patriot.net/~shmuel/resume/brief.html> > We don't care. We don't have to care, we're Congress. > (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- 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