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Re: AI-Based Coding Taking Over

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On Sun, 26 Oct 2025 11:00:10 +0000, The Natural Philosopher wrote:

> Having programmed on both, they were.
> CP/M was very short of RAM and the typical machine had no standard
> expansion slot.

https://en.wikipedia.org/wiki/S-100_bus

Many didn't allow for expansion but it wasn't a limiting factor in most 
cases. For S-100 there were prototype boards that plugged into the back 
plane so you could roll your own. 

http://www.s100computers.com/Cards%20For%20Sale.htm

 
> 8088 was a good step up. 386 was the next big one

The 8088 could only address 64K. You could point CS, SS, DS, and ES to 
different 64K blocks. CP/m 3.0 could use external logic bank switching to 
accomplish much the same. Intel formalized it in a processor that was 
supposed to be a temporary fix before the iAPX 432 arrived.

The original PC ran at 4.77 MHz. Odd speed, right? The CGA adaptor needed 
3.579545 for the color burst. (I don't know about the European market). 4 
times 3.57945 is 14.31818. Divide that by 3 and you get 4.77277. Couple of 
dividers and you save the cost of a 8284 or an extra crystal. 

https://en.wikipedia.org/wiki/Intel_8284

The 8088 also used the cheap 8bit peripherals from the 8080, 8085, and Z80 
designs. Of course that meant limiting yourself to a 8bit data bus but 
money is money.

https://vintagecomputer.com/osborne-occ-2-executive.html

I'll go with the article rather than my memory but I remember the 
Executive as using the Z80B, which was a 6 MHz part. I had an Osborne 1 
but bought two Executives from the Boston Globe when they were moving to 
PCs.

For all practical purposes the original PC was not faster than a CP/M 
system and had a hell of a lot less available software. Much of that had 
been ported from CP/M and was less than efficient. Part of that was the 
memory models.

https://digitalmars.com/ctg/ctgMemoryModel.html

Building an executable was fun since there were 5 sets of libraries for 
the 5 models.

Don't forget the 5150 (IBM Personal Computer) came with 16 KB of RAM. 
Usually you needed more slots than it had since the mobo was limited.

The 5160 (XT) at least kicked the base memory up to 128 KB. It had more 
slots but good luck getting some of the cards into them. You might want to 
toss the cover and point a fan at the thing.

The 5170 (AT) was starting to get real with wider buses and a 6 MHz 
processor. Let's forget the PS/2. You couldn't tell the horses apart 
without a program on that mess. I think they built them from spare parts 
and, arguably, were just about out of the PC business.

So, yeah, given a CP/M 3.0 system versus a bog stock 5150 I'll take the 
CP/M box. 

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Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-25 19:43 +0000
  Re: AI-Based Coding Taking Over "Carlos E.R." <robin_listas@es.invalid> - 2025-10-25 22:23 +0200
    Re: AI-Based Coding Taking Over c186282 <c186282@nnada.net> - 2025-10-25 20:51 -0400
      Re: AI-Based Coding Taking Over "Carlos E.R." <robin_listas@es.invalid> - 2025-10-26 19:58 +0100
  Re: AI-Based Coding Taking Over The Natural Philosopher <tnp@invalid.invalid> - 2025-10-26 11:00 +0000
    Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-26 18:40 +0000
      Re: AI-Based Coding Taking Over The Natural Philosopher <tnp@invalid.invalid> - 2025-10-26 22:19 +0000
        Re: AI-Based Coding Taking Over "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 00:48 +0100
          Re: AI-Based Coding Taking Over c186282 <c186282@nnada.net> - 2025-10-27 03:12 -0400
            Re: AI-Based Coding Taking Over "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 10:15 +0100
          Re: AI-Based Coding Taking Over The Natural Philosopher <tnp@invalid.invalid> - 2025-10-27 08:20 +0000
        Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-27 02:54 +0000
          Re: AI-Based Coding Taking Over The Natural Philosopher <tnp@invalid.invalid> - 2025-10-27 08:23 +0000
      Re: AI-Based Coding Taking Over c186282 <c186282@nnada.net> - 2025-10-26 22:45 -0400
      Re: AI-Based Coding Taking Over Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-10-27 03:07 +0000
        Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-27 14:26 +0000
          Re: AI-Based Coding Taking Over The Natural Philosopher <tnp@invalid.invalid> - 2025-10-27 14:31 +0000
            Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-27 20:41 +0000
              Re: AI-Based Coding Taking Over Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-10-27 14:17 -0700
                Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-28 05:40 +0000
                Re: AI-Based Coding Taking Over Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-10-28 07:45 +0000
                Re: AI-Based Coding Taking Over Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-10-28 06:18 -0400
                Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-28 19:19 +0000
                Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-28 19:08 +0000
              Re: AI-Based Coding Taking Over c186282 <c186282@nnada.net> - 2025-10-27 22:30 -0400
                Re: AI-Based Coding Taking Over Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-10-28 07:45 +0000
                Re: AI-Based Coding Taking Over Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-10-28 11:25 -0700
              The Good Ol' Days of Computing? Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-10-28 06:15 -0400
                Re: The Good Ol' Days of Computing? c186282 <c186282@nnada.net> - 2025-10-29 02:12 -0400
                Re: The Good Ol' Days of Computing? John Ames <commodorejohn@gmail.com> - 2025-10-29 08:43 -0700
                Re: The Good Ol' Days of Computing? c186282 <c186282@nnada.net> - 2025-10-29 21:30 -0400
                Re: The Good Ol' Days of Computing? rbowman <bowman@montana.com> - 2025-10-30 03:07 +0000
                Re: The Good Ol' Days of Computing? c186282 <c186282@nnada.net> - 2025-10-30 00:49 -0400
                Re: The Good Ol' Days of Computing? rbowman <bowman@montana.com> - 2025-10-30 06:29 +0000
                Re: The Good Ol' Days of Computing? The Natural Philosopher <tnp@invalid.invalid> - 2025-10-30 07:00 +0000
                Re: The Good Ol' Days of Computing? c186282 <c186282@nnada.net> - 2025-10-30 11:32 -0400
                Re: The Good Ol' Days of Computing? The Natural Philosopher <tnp@invalid.invalid> - 2025-10-30 16:39 +0000
                Re: The Good Ol' Days of Computing? c186282 <c186282@nnada.net> - 2025-10-30 11:29 -0400
                Re: The Good Ol' Days of Computing? The Natural Philosopher <tnp@invalid.invalid> - 2025-10-30 16:37 +0000
                Re: The Good Ol' Days of Computing? rbowman <bowman@montana.com> - 2025-10-30 20:21 +0000
                Re: The Good Ol' Days of Computing? rbowman <bowman@montana.com> - 2025-10-31 04:01 +0000
          Personal computer (was Re: AI-Based Coding Taking Over) John Ames <commodorejohn@gmail.com> - 2025-10-27 09:21 -0700
            Re: Personal computer (was Re: AI-Based Coding Taking Over) The Natural Philosopher <tnp@invalid.invalid> - 2025-10-27 16:53 +0000
            Re: Personal computer (was Re: AI-Based Coding Taking Over) Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-10-27 13:48 -0400
              Re: Personal computer (was Re: AI-Based Coding Taking Over) rbowman <bowman@montana.com> - 2025-10-27 20:53 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) John Ames <commodorejohn@gmail.com> - 2025-10-27 13:56 -0700
                Re: Personal computer (was Re: AI-Based Coding Taking Over) Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-10-28 06:30 -0400
                Re: Personal computer (was Re: AI-Based Coding Taking Over) John Ames <commodorejohn@gmail.com> - 2025-10-28 08:15 -0700
                Re: Personal computer (was Re: AI-Based Coding Taking Over) ram@zedat.fu-berlin.de (Stefan Ram) - 2025-10-28 15:43 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) rbowman <bowman@montana.com> - 2025-10-28 19:44 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) John Ames <commodorejohn@gmail.com> - 2025-10-28 12:51 -0700
                Re: Personal computer (was Re: AI-Based Coding Taking Over) ram@zedat.fu-berlin.de (Stefan Ram) - 2025-10-28 20:04 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) John Ames <commodorejohn@gmail.com> - 2025-10-28 15:39 -0700
                Re: Personal computer (was Re: AI-Based Coding Taking Over) rbowman <bowman@montana.com> - 2025-10-29 02:14 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) rbowman <bowman@montana.com> - 2025-10-29 01:52 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) rbowman <bowman@montana.com> - 2025-10-28 19:37 +0000
                Re: Personal computer (was Re: AI-Based Coding Taking Over) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-10-28 07:45 +0000
          Re: AI-Based Coding Taking Over Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-10-27 10:18 -0700
          Re: AI-Based Coding Taking Over Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-10-27 13:42 -0400
            Re: AI-Based Coding Taking Over rbowman <bowman@montana.com> - 2025-10-27 21:18 +0000
              Re: AI-Based Coding Taking Over Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-10-28 07:45 +0000
          Re: AI-Based Coding Taking Over "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 19:28 +0100

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