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Article #394

Immediate Commands and Beeps

#394
From: "Ken Hornstein 862-7007", 814
Date: Wed, 29 Aug 1990 05:01
18 lines
1398 bytes
Two questions:

I am trying to write some assembler programs that can be executed as immediate
commands.  I know all interrupts are masked, but does the program receive
control under normal Standar Linkage Conventions (ie - R14 has return address)
or is the return PSW stored somewhere?  And if the return PSW is stored
somewhere, then where is stored (I assume it's in NUCON)?

On a different note, I am trying to get a console beep WITHOUT that funky
"RRRIII....IIINNN....NNNGGGG" message generated by CP (or "BEEEEEEEPPP" if
you are on a XA system).  I am using SIO with a CCW control code of X'0B' to
generate a console printer ring ... is there a better/easier/harder way that
doesn't generate that message by CP?

---
Hypocrisy is the Vaseline of social intercourse.

Ken Hornstein       kxh105@psuvm.psu.edu      Phone: 814/862-7007
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From: KXH105@PSUVM.BITNET ("Ken Hornstein  862-7007", 814)
Newsgroups: comp.lang.asm370
Subject: Immediate Commands and Beeps
Message-ID: <9008290501.AA23516@ucbvax.Berkeley.EDU>
Date: 29 Aug 90 05:01:00 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: IBM 370 Assembly Programming Discussion List
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