Re: Software for MS-DOS 1.25

From: Mia Magnusson <mia_at_plea.se>
Date: Fri, 13 Oct 2017 03:22:55 +0200
Message-ID: <20171013032255.00001352@plea.se>
Den Mon, 09 Oct 2017 14:51:38 +0200 skrev Michał Pleban
<lists@michau.name>:
> smf wrote:
> > I doubt there is a C compiler that targets DOS 1.25 out of the box. 
> 
> I haven't found anything like that either. So far I made Microsoft
> BASIC compiler 1.0 to work on the machine, by hacking a crude INT 10h
> and INT 16h implementation :-)

Nice :)
 
> > But
> > I also doubt it would be that hard to hack together a runtime
> > library that would allow you to run cbmbasic at least in
> > interactive mode (without access to files). Which will at least
> > give you an idea whether it's worth finishing.
> 
> But then, how about using something like Turbo C? If the I/O library
> is using only INT 21h to handle console input/output, then it could be
> possible to make it work. Accessing files would of course not be
> possible.

Turbo C might be too new if you want to use the standard libraries, but
Turbo Pascal might be old enough.

However I don't know if any version of Turbo Pascal 1.x for DOS is
available on the net. Version 2.0 is from 1984 while DOS 2.0 came out
early 1983.

https://winworldpc.com/product/turbo-pascal/2x


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Received on 2017-10-13 02:03:29

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