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From: jwagner@phoenix.Princeton.EDU (John Wagner)
Newsgroups: comp.lang.asm370
Subject: Re: Immediate Commands and Beeps
Message-ID: <1990Sep4.090413@phoenix.Princeton.EDU>
Date: 4 Sep 90 13:04:13 GMT
References: <9008311950.AA28633@ucbvax.Berkeley.EDU>
Sender: news@idunno.Princeton.EDU
Reply-To: jwagner@phoenix.Princeton.EDU (John Wagner)
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In article <9008311950.AA28633@ucbvax.Berkeley.EDU>, JIM@AUVM.AUVM.EDU
(Jim McIntosh) writes:
|> In article <ASM370%90082908493406@OHSTVMA.BITNET>, Rick Troth
|> <TROTH@RICEVM1.RICE.EDU> says:
|> >        You're right that it's generated by CP.  I thought that by
doing
|> >SIO with command code X'0B' I'd be able to avoid the text,  but
NNOOOOO.
|> >Legend says that it's kind of an inside joke with the VM developers
in
|> >that one of the real consoles on some older model of 370 (who's
number
|> >escapes me) had an obnoxious fire alarm style bell.
|> 
|> The 360/40 console had an alarm bell that would wake the dead, but
that
|> would have been before VM (even as CP-67) was around.

Before VM, yes, but not before CP-40.  The original CP and CMS were
developed
on a modified 360/40.  The modification was for a DAT (dynamic address
translation) box.

  John Wagner