[Coco] HPRINT question

[Wayne Campbell]

Robert,

In answer to your previous post, HSCREEN2, 16 colors.

Thanks for this. I will certainly try it.


On Wed, Apr 22, 2020, 2:10 PM Robert Gault <robert.gault at att.net> wrote:

> Wayne,
>
> I just tried a test with an HSCREEN1 which might work for you. I've not
> tried it with the 16 color mode.
>
> Before your HPRINT command insert a
> POKE &HF00C, &H4F
> to get back to normal, use
> POKE &HF00C, &H43
>
> Robert
>
> Robert Gault wrote:
> > Wayne,
> >
> > If you look at the Super Extended Basic code for HPRINT on graphic
> screens (B 47 & B 48) you will
> > see there is no option for non-transparent printing. Also you have not
> said how many colors are on
> > your 320x200 screen so the HSCREEN Mode is unknown.
> >
> > Robert
> >
> > Wayne Campbell wrote:
> >> I'm trying to figure out if there is a way to make HPRINT
> non-transparent.
> >> While having it transparent is handy in some cases, in others it just
> >> messes up the display. I'm working with a 320x200 hi-res graphics
> screen. I
> >> need to be able to erase what's already there before I print again.
> >> Currently I'm using a HBUFF of a blank area (it's a floor space in a
> game)
> >> and repeating it side-by-side to erase what was already there, but that
> >> takes too much time and slows the program down immensely. I tried using
> >> HLINE, but it takes just as much time as putting those HBUFFs there. I
> >> really need a way to make HPRINT non-transparent just to speed things
> up.
> >>
> >> Wayne
> >>
> >> The Structure of I-Code
> >> http://www.cocopedia.com/wiki/index.php/The_Structure_of_I-Code
> >>
> >
>
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