Re: A86: scrolling
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Re: A86: scrolling
have a buffer that's 8 pixels higher than the screen & draw your level
into that with one extra row
(or move the screen & use that as the buffer)
every time you want to scroll by one pixel, move the buffer 16 bytes (one
row of pixels)
when you've scrolled 8 lines, redraw the buffer (or just the extra last
row)
-josh
On Mon, 1 May 2000 22:42:34 EDT Cybeross@aol.com writes:
>
> I'm making a program that uses a Grid sprite routine. It has
> levels that
> can be scrolled down, (it is a skiing game).
> I can scroll the levels, but only one row at a time. one row is 8
> pixels, so
> how can I scroll only one pixel at a time? If it's at all possible,
> I don't
> want to have to use a regular PutSprite routine.
> -thanks
>
>
> -Ross Palmer (TCPA)
>
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