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Gary Weinhold Senior Application Architect DATAKINETICS | Data Performance & Optimization Phone:+1.613.523.5500 x216 Email: [email protected] Visit us online at www.DKL.com E-mail Notification: The information contained in this email and any attachments is confidential and may be subject to copyright or other intellectual property protection. If you are not the intended recipient, you are not authorized to use or disclose this information, and we request that you notify us by reply mail or telephone and delete the original message from your mail system. From: [email protected] Sent: September 4, 2020 09:32 To: [email protected] Reply to: [email protected] Subject: Re: Deep cuts On 2020-09-04, at 07:23:49, Gary Weinhold wrote: > > Even if they'd had the foresight to use a different way to indicate the > end of a parameter list, I don't think they were consciously seeing not > changing the extenal architecture of the hardware for 40 years. > Terminatingthe argument list with a null pointer would have allowed extension to 32 or 64 bits and supported an empty argument list, not possible with CALL -VL. But storage was too expensive a half century ago to add 4 bytes to each CALL. What does JCL generate for an EXEC with no PARM? -- gil
