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Asked: 2026-05-11T09:26:48+00:00

For my assembly language class, we’re writing DOS programs using DPMI. Unfortunately, I don’t

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For my assembly language class, we’re writing DOS programs using DPMI. Unfortunately, I don’t have access to a 32-bit windows machine all the time. I do have a Debian virtual machine installed on just about every computer I do use.

I’ve got both DOSBox and DOSEMU installed. Is there any way that I can assemble and compile the programs in Linux rather than DOS? I’m using nasm, so I don’t seem to have any problems getting it assembledin DOS format. However, I’m having trouble running it through the compiler with my C code and getting a DOS executable (using either gcc or MinGW).

Is there some way to do this or am I pretty much going to have to install all the tools under DOS?

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  1. I’m not even sure if you can compile DOS applications using GCC. A long time ago there was a gcc compiler-variant called DJGPP (or something like that). I never got it working though.

    The chances that you can cross-compile a GCC for DOS these days are almost zero.

    I suggest you give the old Watcom Compiler a try. It’s a native DOS compiler and it’s DPMI implementation also works like a charm under DosBox. Interfacing with NASM compiled object files is not a problem either (I did that a couple of years)

    Today the compiler has been made open source and called OpenWatcom.

    http://www.openwatcom.org/index.php/Main_Page

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