Re: Apple II weather display

[BLuRry <brendan.robert@gmail.com>]

On Apr 19, 3:46 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Osgeld wrote:
> > Thanks for the interest!
>
> > keep in mind I was just having fun with my apple and yea there are a
> > billion ways to do it better.
>
> > yes beagle compiler is used along with a memory driver and fast hplot.
> > I originally went with the compiler because I thought I was going to
> > do most of the XPM image decoding on the apple, though after seeing
> > transfer times while trying to not loose any characters in the buffer,
> > in basic,  it would not be practical in this implementation.
>
> > I wanted to use shape tables, I spent a while messing with hi writer
> > and font mechanic and I could not get either to play nice with beagle
> > compiler, though this was still back when I was trying to shovel as
> > much work as possible to the Apple and the compiler was required IMO
>
> I suppose you discovered that there is no good way of listening
> constantly for data transmissions at 115kbps while doing anything
> else.
>
> It is necessary to have the sender (the PC) wait to send until data
> is requested by the Apple II.  That way, all the data can be sent
> at once, and the end of transmission must be unambiguous, with no more
> data sent until the Apple next requests it.
>
> When the end of data is determined, the Apple II can then process the
> data before requesting more, without any compromises for quick response
> to a fast serial port.
>
> -michael
>
> NadaNet 3.1 for Apple II parallel computing!
> Home page:  http://home.comcast.net/~mjmahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."

I remember a popular expression from AppleLink (Notice I didn't say
AOL) for times like these: GMTA.  :-)

-B