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MSDOS 4.0 (Announce)

posted by kerravon E-mail, Sydney, Free World South, 27.04.2024, 09:02

> > if you can overcome the fact that the source files are all LF only,
> while
> > the good old MS-DOS tools from the 80ties stubbornly persist on CR/LF
> line
> > endings.
>
> Maybe it happened due to some github online conversion? Versioning SW
> sometimes do this fun stuff, depend how configured. But no problem to
> batch-convert back to CR+LF...
There were more problems than just that, but I have
overcome them (a lot of effort after I sent that
previous post - and I was unexpectedly out of
internet coverage) with my Windows 2000 system
and you can find:

http://pdos.org/dos4.zip

See \devel\dos4mods\readme.txt

There are still more issues found when I attempted to
redo the build on DOS 4.0 itself instead of Windows 2000.

The CRLF hit harder for some reason, so the files like
chdir.asm will choke with either a hang or spurious errors.

You need to add FILES= whatever to config.sys

Can't remember if I added the SHELL= - need to increase
the environment space.

I will fix those errors in due course and upload a new
version, but that's what I have at the moment.

I am at a bit of a quandry here.

I had to use edlin to make any changes. I finally got
"e" to exit with save as opposed to "q" to quit.

Using just this disk - ie just the raw DOS 4.0 files -
I could theoretically write a program to convert
LF to CRLF etc rather than just copying an unzip
program across. I already have a crlffix - I could
copy that across instead and likely compile it.

Not sure what a sensible goal here would be.

I am actually interested in having MSDOS 4.0 (modified)
competing against Freedos. MSDOS 4.0 has the more
liberal license. Basically no conditions (MIT).

BFN. Paul.

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