Re: A86: _textShadow help


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Re: A86: _textShadow help




DGSLord@aol.com wrote:

> Hey wow I can answer one!
>
> I believe that the text shadow is the area where the calculator stores what
> is currently displayed on the Home Screen.  Since we write directly to the
> video ram in ASM, we don't need the Text Shadow so we can use it for other
> things like storing data.
>

168 bytes I believe.
make sure you clear it out with _clrScrn when you leave your prog, else you
might get garbage on the screen.

>
> You could also use another area  called _plotSScreen which has the same
> number of bytes (1048)

1024 bytes actually.

> as the video ram.  This is where the calculator stores
> what is displayed on the graph screen if you don't happen to be looking at it
> at the moment.  If you use grayscale, this is your second viewing plane., but
> if not, you can use it to store data.



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