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Re: Return of the Overlays!

From Don Y <blockedofcourse@foo.invalid>
Newsgroups comp.arch.embedded
Subject Re: Return of the Overlays!
Date 2026-01-25 02:10 -0700
Organization A noiseless patient Spider
Message-ID <10l4mlr$1gi10$2@dont-email.me> (permalink)
References <10k6mhf$3hfn8$1@dont-email.me> <10l4l9a$1gi10$1@dont-email.me>

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On 1/25/2026 1:46 AM, Don Y wrote:
> On 1/13/2026 5:03 PM, Don Y wrote:
>> Does anyone still develop with overlays (where the overlay has to
>> replace the existing overlay at run time)?  Besides personal
>> familiarity with the codebase, how do you select code portions
>> to place in each overlay?
> 
> This actually wasn't as difficult as I thought it would be.
> It's (unfortunately!) more of a "mindset" issue than anything else.
> 
> We had an offsite, this past week that let me poke at their code and
> demo my prototypes.

I prepared this FGA as a gentle tickler.  The analogies are strained but
it serves to readily refresh the underlying issues (once understood)!

<https://mega.nz/file/cjJSGJyD#dktL5vQ19tCXIXWtY4Tuetb4WMFzo6P7SV0NDVz0NoY>

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Thread

Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-13 17:03 -0700
  Re: Return of the Overlays! George Neuner <gneuner2@comcast.net> - 2026-01-14 01:11 -0500
    Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-14 13:39 -0700
      Re: Return of the Overlays! George Neuner <gneuner2@comcast.net> - 2026-01-15 03:06 -0500
        Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-15 03:25 -0700
          Re: Return of the Overlays! George Neuner <gneuner2@comcast.net> - 2026-01-17 01:23 -0500
  Re: Return of the Overlays! John Levine <johnl@taugh.com> - 2026-01-14 20:39 +0000
    Re: Return of the Overlays! Grant Edwards <invalid@invalid.invalid> - 2026-01-14 21:00 +0000
      Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-14 18:55 -0700
    Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-14 18:48 -0700
  Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-25 01:46 -0700
    Re: Return of the Overlays! Don Y <blockedofcourse@foo.invalid> - 2026-01-25 02:10 -0700

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