Re: Timeing Question
- Posted by Mike Swayze <mswayze at TRUSWOOD.COM> Feb 09, 2001
- 467 views
are there any work arounds for this 'virtual' layer, or hooks? Swayze mswayze at truswood.com kswayze at bellsouth.net ----- Original Message ----- From: "Kat" <gertie at PELL.NET> To: "EUforum" <EUforum at topica.com> Sent: Thursday, February 08, 2001 4:08 PM Subject: Re: Timeing Question > On 8 Feb 2001, at 12:09, Mike Swayze wrote: > > > is this the reason for RS232 communications(timing critical) needing to be > > done in DOS? > > That and the windoze habit of "virtualizing" the ports by putting a software layer > between the hardware and the software, so the app doesn't see the real port or > interrupt. > > Kat > > > Swayze > > mswayze at truswood.com > > kswayze at bellsouth.net > > > > ----- Original Message ----- > > From: "Kat" <gertie at PELL.NET> > > To: <EUforum at topica.com> > > Sent: Thursday, February 08, 2001 3:05 PM > > Subject: Re: Timeing Question > > > > > > ........................... > > > > > > The OS determines how many ticks to use on each program. If one app has a > > higher > > > priority than your's, it will get available ticks before your app will. > > And it may interrupt > > > your program to do OS stuff, like swap disc space. > > > > > > Kat > > > > > > > > >