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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Adapting an Ada compiler to generate 8051 code (Again?! ;-)
Date: Wed, 31 Mar 2021 18:08:54 -0500
Organization: JSA Research & Innovation
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:s3v3us$dfc$1@gioia.aioe.org...
> On 2021-03-30 13:27, mockturtle wrote:
>
>> Well, old ZX Spectrum with its 48K RAM extension (I and my brother said 
>> when we extended the RAM: "What are we going to do with all this memory?" 
>> :-D ) used just 64K and you could do nice stuff.  The first release of 
>> Turbo Pascal (editor and compiler integrated) was a .COM, limited by 
>> design to 64K.
>
> I remember the glorious time when 1K weighted 1kg (:-))
>
> When I started, I and my pal worked together on a 256K machine in two time 
> sharing terminal sessions. That was RSX-11M. These days almost every 
> executable begins at 5-10M.

You need to use a compiler (at least some of the time) that cares about size 
(i.e. Janus/Ada). Even Claw GUI programs usually don't exceed 0.5MB (and 
command line programs can be many times smaller). Smaller programs are often 
faster as well -- paging pressure is a real thing.

                                   Randy.