On 07/22/2019 12:07, retired mainframer wrote:
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Gary Weinhold
Sent: Monday, July 22, 2019 7:50 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Friday!
I almost remember how to do it on an IBM 1620
Simply the best machine ever for teaching programming.
IIRC, it was a Transmit Record instruction with the destination one byte beyond
the source. At the end of memory it would wrap back to zero and run forever.
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That is the machine I started on back in Jan 1971. Nice way to start,
machine language, then FORTRAN.
/Tom Kern
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