Re: A83: Need a vertical clipping AND sprite routine

Re: A83: Need a vertical clipping AND sprite routine

• To: <assembly-83@lists.ticalc.org>
• Subject: Re: A83: Need a vertical clipping AND sprite routine
• From: "David Phillips" <david@acz.org>
• Date: Mon, 19 Feb 2001 14:56:09 -0700
• References: <F272tneqdGSyMp69YDq0000a8bc@hotmail.com>
• Reply-To: assembly-83@lists.ticalc.org

Maybe you could try inverting the screen at the end, as you're copying the
double buffer?

> Well, I needed an AND routine because I'm drawing white sprites onto a
black
> background, and XORing causes 2 sprites to become invisible if they take
the
> same space.  Drawing white sprites onto a dark backround allows a fast
> moving game on lower contrast (lower batteries).

• Re: A83: Need a vertical clipping AND sprite routine
• From: "D Weiss" <dwedit@hotmail.com>

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