> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On
> Behalf Of Gary Weinhold
> Sent: Monday, July 22, 2019 7:50 AM
> To: [email protected]
> 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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