Re: A83: invert part of screen
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Re: A83: invert part of screen
Instead of xor $FF, use cpl, it's one byte smaller and does the same thing.
----- Original Message -----
From: "Daan {DreAdFaq} Schulpen" <DreAdFaq@gamestats.com>
To: <assembly-83@lists.ticalc.org>
Sent: Sunday, January 23, 2000 14:11
Subject: Re: A83: invert part of screen
Try taking Movax's sprite routines, but instead of XORing the sprite against
the byte in PLOTSCREEN, XOR the byte against $FF.
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DreAdFaq
DreAdFaq@gamestats.com
http://descent.telefragged.com
http://descent.gamestats.com
>Yes, yes I knew that. But I was thinking more of icons
>and the like. So I just have come coordinates that I all
>want to invert...
References: