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non-DOS (yet): an interesting project for x86-64 (Miscellaneous)

posted by tkchia Homepage, 24.01.2021, 06:26

Hello glennmcc,

> Also never said anything about a 32bit nor 64bit DOS which could
> run existing 16bit or 32bit DOS programs. ;-)

OK, so what exactly is the point of calling an OS "a 64-bit MS-DOS" when it cannot actually run any existing MS-DOS programs at any level whatsoever?

OK, suppose someone creates a 64-bit OS and calls it "a 64-bit MS-DOS". How does one make existing MS-DOS software (or the source code thereof) run on this new "64-bit MS-DOS"? How exactly will the porting process be different from porting some existing MS-DOS program to, say, Solaris? Or to Windows? What exactly is it that will make this new OS "a 64-bit MS-DOS", and Solaris or Windows "definitely not a 64-bit MS-DOS"?

The distinction you make between "a 64-bit MS-DOS" and "definitely not a 64-bit MS-DOS" sounds like a distinction without a difference. Words need to have some connection with reality in order to be meaningful.

---
https://gitlab.com/tkchia · https://codeberg.org/tkchia · 😴 "MOV AX,0D500H+CMOS_REG_D+NMI"

 

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