Actually,it is.The program returns control to the operating system
(DOS),but it stays resident in computer memory (be it low,medium or
high).It can then be reactivated by a hardware or software interrupt
vector.For example,device drivers."CTMOUSE.EXE" is an example of a TSR
program.It is a driver that stays in an interrupt vector in the computers
memory.
On Wed, May 13, 2015 at 4:20 AM, Tom Ehlert <[email protected]> wrote:
>
> > TSR is more like a software interrupt?
> no.
>
> http://en.wikipedia.org/wiki/Terminate_and_stay_resident_program
>
> Tom
>
> > ----- Oorspronkelijk bericht -----
> > Van: "Tom Ehlert" <[email protected]>
> > Aan: "Technical discussion and questions for FreeDOS developers."
> > <[email protected]>
> > Verzonden: Dinsdag 12 mei 2015 23:19:48
> > Onderwerp: Re: [Freedos-devel] multiThreaded kernel
>
> >> Unfortunately not. However, terminate stay resident (tsr) was a
> >> pretty nifty way to fake it. And eat low mem. :)
>
> > don't mix multitasking (which TSR is some sort of) and multithreaded
> > which DOS definitively is not
>
> >> Sent from my BlackBerry 10 smartphone on the Verizon Wireless 4G LTE
> network.
> > wow. that's impressive
>
> > Tom
>
>
> >>
> >> From: [email protected]
> >> Sent: Tuesday, May 12, 2015 09:51
> >> To: [email protected]
> >> Reply To: Technical discussion and questions for FreeDOS developers.
> >> Subject: [Freedos-devel] multiThreaded kernel
> >>
> >>
> >>
> >>
> >> Is DOS a multi thread kernel?
>
> >>
>
> >>
>
> >>
> >> Kr,Jo
>
>
>
> > Mit freundlichen Grüßen/Kind regards
> > Tom Ehlert
> > +49-241-79886
>
>
> >
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>
>
> Mit freundlichen Grüßen/Kind regards
> Tom Ehlert
> +49-241-79886
>
>
>
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