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Subject: 
Re: Perl rules!
Newsgroups: 
lugnet.off-topic.geek
Date: 
Wed, 21 Jul 1999 16:42:00 GMT
Viewed: 
1253 times
  
On Tue, 20 Jul 1999 21:14:40 GMT, "Don Heyse"
<donnell_heyse@adc.spam.go.away.com> wrote:

Yeah, whoever decided to do the segmented memory thing should have been
shot.  What a horrible idea.  At least, it was enough to scare me off of
learning 80x86 assembler.

Wait a minute.  Feel free to correct me if I'm wrong, but the segmented
memory architecture allowed you to create absolutely *tiny* programs that
did wonderful things.  And you could fit tons of these programs on an
affordable *floppy* disk.

How did the segmented architecture enable the creation of tiny programs?

Yeah, but what does that have to do with LDraw not supporting modes with
more than 4-bit color?

Isn't 4 bit color the lowest common denominator between VGA and EGA?

So?  This is SVGA, and most video cards seem to not offer 4-bit color modes
in resolutions above 800x600.  So LDraw will happily work in modes that
most video cards can't deal with, and LDraw won't do modes that video cards
will.

I *hope* it's linux.  If you can hide the "knowledge requirement" behind
an interface suitable for the masses, and keep the power for the others,
then I think it has a chance.

Unfortunately, many developers underestimate the need for the level of
encapsulation required.  But it would be cool to have a truly powerful
engine driving a beautiful GUI, and I only have to turn the key to make it
go.

By the way, is anybody actively building or porting any L-CAD utilities
to linux these days?  I've seen hints, but that's all.

I don't think so.  The last I heard, Gyugyi had cross-platform plans for
LDLite, but he later made statements alluding to the seduction of MS
putting powerful calls into the Win32 API, making it harder to port LDLite
across.

There's some EMACS stuff for editing, you could search lugnet.cad.dev for
references.

Has anyone built code/object libraries for Linux which emulate some of the
Win32 API?  Have they worked?  Did MS sue the authors/publishers?

Steve



Message has 1 Reply:
  Re: Perl rules!
 
(...) Relative pointers in the same segment take up half as much space as a 32 bit pointer. Depending on what you're doing, the savings here can be considerable. .COM programs used nothing but relative pointers and fit in less than 1 64K segment. (...) (25 years ago, 21-Jul-99, to lugnet.off-topic.geek)

Message is in Reply To:
  Re: Perl rules!
 
(...) Wait a minute. Feel free to correct me if I'm wrong, but the segmented memory architecture allowed you to create absolutely *tiny* programs that did wonderful things. And you could fit tons of these programs on an affordable *floppy* disk. I (...) (25 years ago, 20-Jul-99, to lugnet.off-topic.geek)

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