Path: ...!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Terje Mathisen <terje.mathisen@tmsw.no>
Newsgroups: comp.arch
Subject: Re: ALTER, ASSIGN and labels-as-values
Date: Tue, 4 Jun 2024 11:22:45 +0200
Organization: A noiseless patient Spider
Lines: 42
Message-ID: <v3mmd5$c63k$3@dont-email.me>
References: <v1ns43$2260p$1@dont-email.me> <v33250$89l2$1@dont-email.me>
 <vaka5jpbad271mal8vtj7hb04mhvgsmlc5@4ax.com> <v33l8i$envo$1@dont-email.me>
 <v34t59$1on4$1@gal.iecc.com> <v3528c$mcei$1@dont-email.me>
 <0uo5O.16554$Qgge.15708@fx12.iad> <v354ib$mprj$1@dont-email.me>
 <v3573k$n821$1@dont-email.me> <v357nq$nblg$1@dont-email.me>
 <v39cjq$1jtgk$2@dont-email.me> <v3jttf$3qduu$7@dont-email.me>
 <v3jv4s$3qn65$1@dont-email.me> <v3lrbj$48om$7@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: quoted-printable
Injection-Date: Tue, 04 Jun 2024 11:22:45 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="e45d74333c127ce2b4dec02c1d921f24";
	logging-data="399476"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18A8XBERCCFCWCHKx6qQyaoCa0vjk18/7kcjD0JVEFnJQ=="
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
 Firefox/91.0 SeaMonkey/2.53.18.2
Cancel-Lock: sha1:0XUpErxaSPCqciGW9FxPO7/gsCs=
In-Reply-To: <v3lrbj$48om$7@dont-email.me>
Bytes: 2957

Lawrence D'Oliveiro wrote:
> On Mon, 3 Jun 2024 10:33:32 +0200, Terje Mathisen wrote:
>=20
>> Lawrence D'Oliveiro wrote:
>>
>>> On Thu, 30 May 2024 10:15:54 +0200, Terje Mathisen wrote:
>>>
>>>> This was using hand-punched cards, writing FORTRAN 2 code with the
>>>> Hollerith text constants so you had to count very carefully:
>>>>
>>>>       FORMAT 27HTHIS IS A VERY LONG TEXT STRING...
>>>
>>> Hey, did you not notice the columns were numbered? So all you had to =
do
>>> to determine the length of the string was subtract column numbers?
>>>
>> Hey, did you not read what I wrote about this being hand-punched cards=
?
>> By the time I got to the end of the string it was too late to go back
>> and update the 27H count.
>=20
> Card-punch machines had an option for that too, didn=C3=A2=E2=82=AC=E2=84=
=A2t they? Certainly the
> IBM 129 that I used could do that: copy the card to a new card, up to b=
ut
> not including the incorrect part, then enter the correction, then copy =
the
> rest of the card.

I did use that mechanism to fix smaller programming mistakes, but for=20
the basic Hollerith counting I pretty much had to get it right the first =

time, otherwise I had a 4-hour latency before getting the printout back=20
so it could tell me I had a counting error.

Terje


--=20
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"