Subject: Re: [stella] How to... From: Thomas Jentzsch <tjentzsch@xxxxxx> Date: Tue, 17 Jul 2001 23:43:22 +0200 |
Gonzalo Fernández wrote: > I wrote a code for an 8 scanlines res but it doesn't work > well, I know why but I can't fix it (the island starts jump every 4 frames I > think). The problem is, that the height of the first row of the island differs between 2 and 8, because it only depends on the current y-value, but not on the starting row of the island. If you use the result from the code where you decide, if you have to draw the island, the result is getting surprisingly simple: ... bcc NoPF ; very simply, isn't it :) lsr lsr tax lda island,x sta PF2 Continue2 ... Have fun! Thomas _______________________________________________________ Thomas Jentzsch | *** Every bit is sacred ! *** tjentzsch at web dot de | - Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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