Zero means not posted but nobody waiting. The store is locked, and there are
no customers waiting outside the door.

Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf
Of Donald Likens
Sent: Thursday, December 15, 2011 12:00 AM
To: IBM-MAIN@bama.ua.edu
Subject: WAIT ECB WITH 00 First Byte

I know that an ECB's first byte is x'80' if waiting and x'40' if posted but
what does X'00' mean. When I zero out the ECB I zero out the whole word.
This ECB has a PRB in it.

Thank You for your help.

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