> -----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. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
