Subject: Re: [stella] Fortitude I Quadraside From: Christopher Tumber <christophertumber@xxxxxxxxxx> Date: Tue, 08 Jul 2003 17:53:34 -0400 |
>If you make sure that bit 0 of #wallcolour is always set >you can avoid lda #1. :-) Damn that's some good kung-fu! Particularly since the low bit of any colour register is meaningless... So now that you've eliminated 4 cycles for me (Both those LDA's can go) maybe I _can_ make a completely flexible playfield now. Well, the RAM concerns haven't gone away, but maybe I can do some squeezing.... Chris... ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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