DOS ain't dead

masm without tiny (Announce)

posted by usotsuki, 29.01.2026, 22:06

> I have a boot sector (not MBR) written in assembler.
>
> It works with various assemblers, and you can see it here:
>
> https://sourceforge.net/p/pdos/gitcode/ci/master/tree/src/pbootsec.asm
>
> I want to use the freely-available MASM 5.1. But I found it doesn't have
> the "tiny" memory model.
>
> What are the implications for a bootloader if I am forced to use "small"?
> It didn't work at runtime when I used "small", although it did build. I was
> testing by booting from a floppy image using qemu.
>
> What changes would be advised for this code so that it can work with MASM
> 5.1 as well as the other assemblers that it already works with?
>
> Thanks. Paul.

Isn't it just small with the need to run "exe2bin", as far as masm is concerned?

Complete thread:

• masm without tiny - kerravon, 29.01.2026, 21:54 (Announce)
  • masm without tiny - usotsuki, 29.01.2026, 22:06
    • masm without tiny - kerravon, 29.01.2026, 23:33
      • masm without tiny - andrewbird, 29.01.2026, 23:52
        • masm without tiny - kerravon, 30.01.2026, 00:40