On Jan 29, 2008, at 11:54 AM, scheefj at
netscape.net wrote:
So to the original question -- the three requirements
will limit the
program to "true compatibles", meaning a hardware clone. The most
incompatible MS-DOS machine ever, the Seattle Gazelle, uses a serial
terminal so the only "sound" available would be the terminal bell.
You could look at it from another perspective.
Given that's what Tim Paterson coded DOS on in the first place, the
argument could be made that everybody else is who's incompatible.