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Groups > comp.sys.apple2.programmer > #4544

Re: Retrieve hires pixel value

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Zellyn wrote:
> Is there a generally accepted way of retrieving a hires pixel value
> (on/off) by x,y coordinates from BASIC? I assume someone posted a simple
> BASIC or poked-assembly routine to do it back in the day. I feel like I
> probably knew how to do it in the 80s :-)
> 

Beagle BASIC will give you an HSCRN command which I think will do what you
want.

-- 
]DF$
The New Apple II User's Guide:
https://macgui.com/newa2guide/

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Thread

Retrieve hires pixel value Zellyn <zellyn@gmail.com> - 2018-05-23 10:56 -0700
  Re: Retrieve hires pixel value D Finnigan <dog_cow@macgui.com> - 2018-05-23 18:41 +0000
  Re: Retrieve hires pixel value Michael J. Mahon <mjmahon@aol.com> - 2018-05-23 18:56 -0500
    Re: Retrieve hires pixel value Zellyn <zellyn@gmail.com> - 2018-05-23 20:52 -0700
    Re: Retrieve hires pixel value Michael Pohoreski <michael.pohoreski@gmail.com> - 2018-05-26 11:07 -0700
      Re: Retrieve hires pixel value Michael J. Mahon <mjmahon@aol.com> - 2018-05-26 16:53 -0500
        Re: Retrieve hires pixel value D Finnigan <dog_cow@macgui.com> - 2018-05-28 22:55 +0000
          Re: Retrieve hires pixel value Andy McFadden <thefadden@gmail.com> - 2018-05-29 07:59 -0700
            Re: Retrieve hires pixel value Antoine Vignau <antoine.vignau@laposte.net> - 2018-05-29 11:46 -0700
          Re: Retrieve hires pixel value Michael J. Mahon <mjmahon@aol.com> - 2018-05-29 10:47 -0500
          Re: Retrieve hires pixel value Antoine Vignau <antoine.vignau@laposte.net> - 2018-05-29 11:48 -0700
            Re: Retrieve hires pixel value D Finnigan <dog_cow@macgui.com> - 2018-05-29 19:46 +0000

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