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From: hack@watson.ibm.com (hack)
Subject: Re: S/390 (was Market pressures for more reliable software)
Date: 29 Jun 2001 19:25:33 GMT
Date: 2001-06-29T19:25:33+00:00	[thread overview]
Message-ID: <9hiknd$b0g$1@news.btv.ibm.com> (raw)
In-Reply-To: 9hght3$c3s$1@hermes.nz.eds.com

In article <9hght3$c3s$1@hermes.nz.eds.com>,
John Homes <John.Homes@eds.com> wrote:
>
>"Roedy Green" <roedy@mindprod.com> wrote in message
>news:fcgnjt4ft33trc0qvudsii54todsmt2e9u@4ax.com...
>> On Thu, 28 Jun 2001 23:17:43 GMT, robin <robin_v@bigpond.nospam.com>
>> wrote or quoted :
>>
>> >But when the second address is zero, it does not branch, and
>> >the address of the next instruction is placed in the nominated
>> >register.  (e.g., BALR 3,0)
>>
>>
>> It is quite amazing that people can still remember this stuff.  I have
>> not used it since the 70s.
>>
>
>Some of us are still using it..
>
>    John Homes.

Some of us may even "abuse" it, e.g.

    BALR 3,0   (Head of do-it-twice loop)
    ....       whatever (that leaves R3 alone)
    BALR 3,3   Go back once

Michel





  parent reply	other threads:[~2001-06-29 19:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-28 23:17 S/390 (was Market pressures for more reliable software) robin
2001-06-28 23:46 ` Roedy Green
2001-06-29  0:27   ` John Homes
2001-06-29  6:41     ` Randy Hudson
2001-06-29 19:25     ` hack [this message]
2001-06-29  0:52   ` Gary Labowitz
2001-06-29  8:21   ` Clem Clarke
2001-06-29 12:20   ` Shmuel (Seymour J.) Metz
2001-06-29 12:19 ` Shmuel (Seymour J.) Metz
2001-06-30  6:13   ` Randy Hudson
2001-07-02  0:18     ` Shmuel (Seymour J.) Metz
  -- strict thread matches above, loose matches on Subject: below --
2001-06-28 11:44 robin
2001-06-28 13:04 ` Gary Labowitz
2001-06-28 21:49 ` Roedy Green
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