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z/VM: CP Commands and Utilities Reference - z/VM - IBM

z/VM: CP Commands and Utilities Reference - z/VM - IBM

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SET NOPDATA<br />

►►<br />

Set<br />

Authorization<br />

Purpose<br />

NOPDATA<br />

Oper<strong>and</strong>s<br />

Usage Notes<br />

Messages<br />

ON<br />

OFF<br />

Privilege Class: G<br />

H<strong>CP</strong>002E Invalid oper<strong>and</strong> - oper<strong>and</strong><br />

H<strong>CP</strong>026E Oper<strong>and</strong> missing or invalid<br />

Use SET NOPDATA to control the simulation of NOP CCWs in your virtual printer<br />

<strong>and</strong> punch channel programs.<br />

ON<br />

OFF<br />

controls the simulation of NOP CCWs. If you specify ON <strong>and</strong> if you specify<br />

more than one byte of data, <strong>CP</strong> attempts to transfer the data addressed by a<br />

NOP CCW to the spool file. If you specify OFF, <strong>CP</strong> simulates the NOP the<br />

same way a real device <strong>and</strong> channel would. The initial setting for a virtual<br />

machine is OFF.<br />

1. This comm<strong>and</strong> allows programs that need to embed control information in <strong>CP</strong><br />

spool files (such as RSCS) to operate under z/<strong>VM</strong>.<br />

2. Do not use data chaining with NOP CCWs.<br />

H<strong>CP</strong>263E Too many oper<strong>and</strong>s were supplied for<br />

this comm<strong>and</strong>.<br />

SET NOPDATA<br />

►◄<br />

Chapter 2. <strong>CP</strong> <strong>Comm<strong>and</strong>s</strong> 1303

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