Re: COBOL and tricks

From	The Natural Philosopher <tnp@invalid.invalid>
Newsgroups	alt.folklore.computers, comp.os.linux.misc
Subject	Re: COBOL and tricks
Date	2022-10-28 11:30 +0100
Organization	A little, after lunch
Message-ID	<tjgb0q$31q0r$8@dont-email.me> (permalink)
References	(10 earlier) <3sydnWzlja2l2nr_nZ2dnUU7-dHNnZ2d@earthlink.com> <mkpfehh567l23vhdllkah09n0neuea7f28@4ax.com> <tc8p7c$t51g$2@dont-email.me> <QiVFK.78558$iR.18929@fx44.iad> <tjg4q8$30r9q$9@dont-email.me>

Cross-posted to 2 groups.

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On 28/10/2022 09:44, Charles Richmond wrote:
> On 8/1/2022 1:53 PM, Charlie Gibbs wrote:
>> On 2022-08-01, Lew Pitcher <lew.pitcher@digitalfreehold.ca> wrote:
>>
>>> On Mon, 01 Aug 2022 09:45:53 -0500, D.J. wrote:
>>>
>>>> I've never seen an 8" floppy drive anywhere.
>>>
>>> They are rarer than hen's teeth, these days.
>>>
>>> My first encounter with an 8" floppy disk drive was in loading
>>> the microcode into a S/370-30 mainframe. Later, when I acquired
>>> my first home computer (a Cromemco Z2) I loaded CP/M from 8"
>>> disks on my dual-drive Persci voice-coil floppy disk drive.
>>
>> I still have my IMSAI with its two 8-inch floppy drives.
>> Unfortunately, although it powers up and the CPU appears
>> OK, it won't boot.  I suspect that the boot ROM has suffered
>> bit rot.  I'll need to find the listing of the ROM's contents
>> and a 2708 programmer...
>>
> 
> If the boot ROM is socketed, you might pull it out/push it in the socket 
> a few times.  Sometimes the "legs" are a bit corroded. ISTM I read 
> somewhere that applying power to the chip for a while *might* allow the 
> memory cells to re-generate... something like an electrolytic capacitor 
> can do. YMMV.
> 
I occasionally watch 'Adrians digital basement' on you tube for idle 
nostalgic amusement, he restores old 8 /16 bit machines and drives.

It appears there are archive sites for old ROM code, donated by people 
who still care.

And various hacks exist to make old rom emulators using new(er) Eproms, 
EAROMS and even probably SD cards


-- 
"I guess a rattlesnake ain't risponsible fer bein' a rattlesnake, but ah 
puts mah heel on um jess the same if'n I catches him around mah chillun".

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Re: COBOL and tricks The Natural Philosopher <tnp@invalid.invalid> - 2022-07-29 13:03 +0100
  Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-07-29 15:23 -0700
    Re: COBOL and tricks "25B.Z959" <25B.Z959@nada.net> - 2022-07-31 23:23 -0400
      Re: COBOL and tricks D.J. <chucktheouch@gmail.com> - 2022-08-01 09:45 -0500
        Re: COBOL and tricks Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2022-08-01 14:50 +0000
          Re: COBOL and tricks Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2022-08-01 14:51 +0000
            Re: COBOL and tricks Dan Espen <dan1espen@gmail.com> - 2022-08-01 14:18 -0400
              Re: COBOL and tricks Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2022-08-01 18:38 +0000
                Re: COBOL and tricks John Levine <johnl@taugh.com> - 2022-08-01 20:55 +0000
            Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
              Re: COBOL and tricks "25B.Z959" <25B.Z959@nada.net> - 2022-08-02 01:21 -0400
          Re: COBOL and tricks scott@slp53.sl.home (Scott Lurndal) - 2022-08-01 15:40 +0000
            Re: COBOL and tricks Rich Alderson <news@alderson.users.panix.com> - 2022-08-01 16:07 -0400
          Re: COBOL and tricks Dan Espen <dan1espen@gmail.com> - 2022-08-01 14:15 -0400
            Re: COBOL and tricks "Kerr-Mudd, John" <admin@127.0.0.1> - 2022-08-01 19:47 +0100
              Re: COBOL and tricks Dan Espen <dan1espen@gmail.com> - 2022-08-01 15:58 -0400
          Re: COBOL and tricks Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2022-08-01 18:53 +0000
            Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 20:41 +0100
            Re: COBOL and tricks Charles Richmond <codescott@aquaporin4.com> - 2022-10-28 03:44 -0500
              Re: COBOL and tricks The Natural Philosopher <tnp@invalid.invalid> - 2022-10-28 11:30 +0100
                Re: COBOL and tricks D.J. <chucktheouch@gmnol.com> - 2022-10-28 13:52 -0500
          Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
        Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
          Re: COBOL and tricks D.J. <chucktheouch@gmail.com> - 2022-08-02 11:05 -0500
        Re: COBOL and tricks "25B.Z959" <25B.Z959@nada.net> - 2022-08-02 01:05 -0400
          Re: COBOL and tricks D.J. <chucktheouch@gmail.com> - 2022-08-02 11:12 -0500
            Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-02 09:29 -0700
              Re: COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-03 00:42 -0400
            Re: COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-02 23:47 -0400
          Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-02 09:23 -0700
            Re: COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-03 00:51 -0400
      Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
        Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 20:48 +0100
          Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 19:11 -0700
        Re: COBOL and tricks "25B.Z959" <25B.Z959@nada.net> - 2022-08-02 01:54 -0400
          Re: COBOL and tricks Charles Richmond <codescott@aquaporin4.com> - 2022-10-29 07:46 -0500
            Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-10-29 15:49 +0100
            Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-10-29 15:43 -0700
              Re: COBOL and tricks Robert Riches <spamtrap42@jacob21819.net> - 2022-10-30 03:35 +0000
            Re: COBOL and tricks Bob Eager <news0009@eager.cx> - 2022-10-30 09:41 +0000

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