Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.sys.acorn.programmer > #6080

Re: Subtracting times

From David Higton <dave@davehigton.me.uk>
Newsgroups comp.sys.acorn.programmer
Subject Re: Subtracting times
Date 2020-04-24 15:24 +0100
Organization Home
Message-ID <14c6416658.DaveMeUK@BeagleBoard-xM> (permalink)
References (11 earlier) <dccbb754-a167-43b8-ad2f-f6d82fbbd68b@googlegroups.com> <5865cc4b9aNews03@avisoft.f9.co.uk> <5865ccc40fUCEbin@tiscali.co.uk> <6667d647-6873-488d-8a39-ed15086e185a@googlegroups.com> <5865ded017News03@avisoft.f9.co.uk>

Show all headers | View raw


In message <5865ded017News03@avisoft.f9.co.uk>
          Martin <News03@avisoft.f9.co.uk> wrote:

> On 23 Apr in article
> <6667d647-6873-488d-8a39-ed15086e185a@googlegroups.com>,
>   <jeffrey.a.doggett@gmail.com> wrote:
> > > Indeed. But what happens when the 5-byte hex times are...
> > >     start time =  58 00 00 04 00
> > >     end time   =  57 00 00 05 00 gives x100 ... when it should be
> > > flagged as negative and duff!
> 
> > That would require the judge on the finish line to press his button  35
> > weeks before the starter presses his button. Cannot happen.
> 
> Unfortunately the OP in his first post said...
> > I need to reliably detect negative results, which can occur if a spurious
> > finish time pulse arrives before a start time.

Still OK; it won't go wrong unless the spurious pulse arrives between
(roughly) 17 weeks and 35 weeks before the start time.

David

Back to comp.sys.acorn.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-18 11:55 +0000
  Re: Subtracting times Jean-Michel <jmc.bruck@orange.fr> - 2020-02-18 19:11 +0100
    Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-21 03:28 -0800
      Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-21 12:45 +0000
      Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-21 15:17 +0000
        Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-22 10:37 +0000
          Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-25 16:05 +0000
            Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-25 16:35 +0000
              Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-27 17:10 +0000
                Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-27 10:06 -0800
                Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-28 11:21 +0000
                Re: Subtracting times jeffrey.a.doggett@gmail.com - 2020-04-22 12:00 -0700
                Re: Subtracting times Martin <News03@avisoft.f9.co.uk> - 2020-04-23 00:07 +0100
                Re: Subtracting times jeffrey.a.doggett@gmail.com - 2020-04-23 03:13 -0700
                Re: Subtracting times Martin <News03@avisoft.f9.co.uk> - 2020-04-23 18:01 +0100
                Re: Subtracting times "John Williams (News)" <UCEbin@tiscali.co.uk> - 2020-04-23 18:06 +0100
                Re: Subtracting times jeffrey.a.doggett@gmail.com - 2020-04-23 11:18 -0700
                Re: Subtracting times Martin <News03@avisoft.f9.co.uk> - 2020-04-23 21:23 +0100
                Re: Subtracting times David Higton <dave@davehigton.me.uk> - 2020-04-24 15:24 +0100
                Re: Subtracting times David Higton <dave@davehigton.me.uk> - 2020-04-23 20:57 +0100
        Re: Subtracting times jgh@mdfs.net - 2020-02-23 17:39 -0800
          Re: Subtracting times Steve Drain <steve@kappa.me.uk> - 2020-02-24 10:23 +0000
            Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-24 11:12 +0000
              Re: Subtracting times Martin <News03@avisoft.f9.co.uk> - 2020-02-24 13:05 +0000
  Re: Subtracting times Matthew Phillips <spam2011m@yahoo.co.uk> - 2020-02-19 08:35 +0000
    Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-19 10:03 +0000
      Re: Subtracting times Sebastian Barthel <naitsabes@freenet.de> - 2020-02-19 13:04 +0000
        Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-19 16:41 +0000
          Re: Subtracting times jgh@mdfs.net - 2020-02-19 12:01 -0800
      Re: Subtracting times Matthew Phillips <spam2011m@yahoo.co.uk> - 2020-02-23 20:46 +0000
  Re: Subtracting times Martin <News03@avisoft.f9.co.uk> - 2020-02-19 23:54 +0000
    Re: Subtracting times Alan Adams <alan@adamshome.org.uk> - 2020-02-20 11:18 +0000

csiph-web