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Re: SWI / BASIC command to read number of Pixels in a screen mode

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In article <HgDgq.1930$jz6.879@newsfe18.ams2>,
   Steve Drain <steve@kappa.me.uk> wrote:
> I think this also works with RO5 BASIC:
>
>   width%=VDU11+1<<VDU4
>   height%=VDU12+1<<VDU5
>
> but I do not have that to test.

That's correct and you've saved me typing it.

Note the operator precedence there; VDU11+1 is (VDU 11) and not VDU(11+1).

Still, I'd always use braces for clarity. E.g.

  width_os% = ((VDU 11) + 1) << VDU 4

Ta,

Steve

-- 
Steve Revill @ Home
Note: All opinions expressed herein are my own.

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Thread

SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-27 14:49 -0700
  Re: SWI / BASIC command to read number of Pixels in a screen mode Alex Macfarlane Smith <nospam@archifishal.co.uk> - 2011-09-27 22:51 +0100
    Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-27 15:02 -0700
      Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-27 15:18 -0700
        Re: SWI / BASIC command to read number of Pixels in a screen mode Martin Bazley <martin.bazley@blueyonder.co.uk> - 2011-09-27 23:36 +0100
      Re: SWI / BASIC command to read number of Pixels in a screen mode Martin Bazley <martin.bazley@blueyonder.co.uk> - 2011-09-27 23:34 +0100
        Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-27 16:10 -0700
    Re: SWI / BASIC command to read number of Pixels in a screen mode Martin Bazley <martin.bazley@blueyonder.co.uk> - 2011-09-27 23:19 +0100
      Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-27 16:14 -0700
        Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-28 11:33 +0100
          Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-09-28 17:27 +0200
          Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-28 18:57 -0700
        Re: SWI / BASIC command to read number of Pixels in a screen mode Gazza <usenet@garethlock.com> - 2011-10-18 16:12 -0700
          Re: SWI / BASIC command to read number of Pixels in a screen mode "Ste (news)" <steve@revi11.plus.com> - 2011-10-25 14:33 +0100
      Re: SWI / BASIC command to read number of Pixels in a screen mode Martin Wuerthner <spamtrap@mw-software.com> - 2011-09-28 10:47 +0200
        Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-28 12:02 +0100
          Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-28 12:09 +0100
            Re: SWI / BASIC command to read number of Pixels in a screen mode "Ste (news)" <steve@revi11.plus.com> - 2011-09-28 15:13 +0100
              Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-09-28 17:36 +0200
                Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-28 17:32 +0100
        Re: SWI / BASIC command to read number of Pixels in a screen mode Martin <News03@avisoft.f9.co.uk> - 2011-09-28 12:55 +0100
        Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-09-28 17:34 +0200
      Re: SWI / BASIC command to read number of Pixels in a screen mode Gazza <usenet@garethlock.com> - 2011-10-18 16:10 -0700
        Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-10-19 06:49 +0200
          Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-10-19 10:19 +0100
          Re: SWI / BASIC command to read number of Pixels in a screen mode Erik G <erikg@noname.invalid> - 2011-10-19 15:24 +0200
            Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-10-19 19:47 +0200
              Re: SWI / BASIC command to read number of Pixels in a screen mode druck <news@druck.org.uk> - 2011-10-19 20:36 +0100
                Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-10-20 17:40 +0200
                Re: SWI / BASIC command to read number of Pixels in a screen mode druck <news@druck.org.uk> - 2011-10-20 20:13 +0100
  Re: SWI / BASIC command to read number of Pixels in a screen mode Chris Johnson <chrisjohnson+news@spamcop.net> - 2011-09-27 23:21 +0100
  Re: SWI / BASIC command to read number of Pixels in a screen mode Bryan Hogan <spam@nowhere.invalid> - 2011-09-28 01:49 +0100
    Re: SWI / BASIC command to read number of Pixels in a screen mode Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-09-28 18:22 +0200
      Re: SWI / BASIC command to read number of Pixels in a screen mode Michael <michaelremerton@gmail.com> - 2011-09-28 19:12 -0700
        Re: SWI / BASIC command to read number of Pixels in a screen mode "Ste (news)" <steve@revi11.plus.com> - 2011-09-29 12:42 +0100
          Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-29 16:14 +0100
            Re: SWI / BASIC command to read number of Pixels in a screen mode "Ste (news)" <steve@revi11.plus.com> - 2011-09-30 00:12 +0100
              Re: SWI / BASIC command to read number of Pixels in a screen mode Steve Drain <steve@kappa.me.uk> - 2011-09-30 10:48 +0100

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