Re: The DOS 3.3 SYS.COM Bug Hunt

From	Salvador Mirzo <smirzo@example.com>
Newsgroups	comp.misc
Subject	Re: The DOS 3.3 SYS.COM Bug Hunt
Date	2025-02-25 15:54 -0300
Organization	A noiseless patient Spider
Message-ID	<87cyf5q2hh.fsf@example.com> (permalink)
References	<vpgghn$o45q$1@dont-email.me> <20250224075243.abbf3892667a0cf1313d1441@127.0.0.1> <vpih89$1d236$2@dont-email.me> <8734g2voya.fsf@example.com> <vpkscf$22iuo$1@dont-email.me>

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Ben Collver <bencollver@tilde.pink> writes:

> On 2025-02-25, Salvador Mirzo <smirzo@example.com> wrote:
>> I never used DOS as a programmer, so it wasn't nostalgic to me, but I
>> enjoyed seeing how simpler things were back then and how programs like
>> debug could help you to see what was going on.  I was reading about 6502
>> assembly recently and I became very interested in getting closer to that
>> simplicity.  The booklet author remarked that modern x86 assembly isn't
>> really meant for programmers, but compilers.  I had never really thought
>> of that, but it made a lot of sense to me.  So maybe I should indeed
>> look into an older, simpler machine to enjoy the low level of things.
>
> To validate your post: I think some C=64 retro-enthusiasts who have
> never touched a real C=64, and the same can be said of other 8-bit
> platforms.  Once for fun i wrote a program for the ZX Spectrum, and i
> did not have access to the real hardware. Though i can remember
> tinkering with a Timex Sinclair 1000.
>
> For that matter, 8bitworkshop supports both C=64 and ZX Spectrum
> development in corporate web browsers.
>
> http://8bitworkshop.com/
>
> See also:
>
> https://x64.halb.it/

Very cool stuff!  But I'd believe I have a certain bug to expose
relative to 8bitworkshop.com.  The machine screen first appears with a
beautiful logo and then eventually it looks like an old buggy TV with
red lanes going up the screen:

  https://0x0.st/8AwL.png

This is Firefox 133.0.3 (amd64) on OpenBSD 7.6.

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The DOS 3.3 SYS.COM Bug Hunt Ben Collver <bencollver@tilde.pink> - 2025-02-24 01:03 +0000
  Re: The DOS 3.3 SYS.COM Bug Hunt "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-02-24 07:52 +0000
    Re: The DOS 3.3 SYS.COM Bug Hunt John McCue <jmccue@reddwf.jmcunx.com> - 2025-02-24 19:28 +0000
      Re: The DOS 3.3 SYS.COM Bug Hunt Salvador Mirzo <smirzo@example.com> - 2025-02-24 21:38 -0300
        Re: The DOS 3.3 SYS.COM Bug Hunt Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-02-25 02:19 -0400
          Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-25 07:54 +0000
            Re: The DOS 3.3 SYS.COM Bug Hunt Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-02-26 04:31 -0400
              Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-26 19:52 +0000
                Re: The DOS 3.3 SYS.COM Bug Hunt Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-02-26 17:24 -0400
                Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-26 21:46 +0000
              Re: The Lisa D Finnigan <dog_cow@macgui.com> - 2025-02-28 07:47 -0600
              Re: The Lisa mm0fmf <none@invalid.com> - 2025-02-28 14:48 +0000
                Re: The Lisa Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-28 21:47 +0000
              Re: The Lisa (was: The DOS 3.3 SYS.COM Bug Hunt) Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-02-28 16:38 -0400
              Re: The Lisa (was: The DOS 3.3 SYS.COM Bug Hunt) kludge@panix.com (Scott Dorsey) - 2025-02-28 16:07 -0500
                Re: The Lisa (was: The DOS 3.3 SYS.COM Bug Hunt) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-28 21:42 +0000
              Re: The Lisa (was: The DOS 3.3 SYS.COM Bug Hunt) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-28 21:46 +0000
                Re: The Lisa D Finnigan <dog_cow@macgui.com> - 2025-03-03 08:40 -0600
              Re: The Lisa (was: The DOS 3.3 SYS.COM Bug Hunt) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-28 22:24 +0000
        Re: The DOS 3.3 SYS.COM Bug Hunt "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-02-25 07:28 +0000
          Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-25 08:02 +0000
            Re: The DOS 3.3 SYS.COM Bug Hunt "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-02-25 08:57 +0000
              Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-25 20:36 +0000
                Re: The DOS 3.3 SYS.COM Bug Hunt "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-02-25 20:54 +0000
                Re: The DOS 3.3 SYS.COM Bug Hunt candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-02-25 22:00 +0000
                Re: The DOS 3.3 SYS.COM Bug Hunt Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-25 22:51 +0000
        Re: The DOS 3.3 SYS.COM Bug Hunt Ben Collver <bencollver@tilde.pink> - 2025-02-25 16:50 +0000
          Re: The DOS 3.3 SYS.COM Bug Hunt Salvador Mirzo <smirzo@example.com> - 2025-02-25 15:54 -0300
            Re: The DOS 3.3 SYS.COM Bug Hunt Ben Collver <bencollver@tilde.pink> - 2025-02-25 22:34 +0000

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