Subject: Re: [stella] MultiSpriteDemo update (source+binary)|
From: Piero Cavina <p.cavina@xxxxxxxxxxxxx>
Date: Mon, 7 Apr 1997 12:07:44 +0200 (METDST)
At 21.35 05/04/97 GMT, Erik Mooney wrote: >>; Straight from "Air sea battle", here's the routine >>; to convert from standard X positions to FC positions. >>; Could a good man explain me how it works? > >It's tricky, but I think I've figured it out. (...) Thanks... do you think it is faster or slower than the more common, SBC-based routine? >Obviously, the whole thing would be 12 cycles faster as a macro instead of >as a subroutine if you can spare the space and only use it a few times. Not really needed if it's called during VBLANK, when there are cycles to lose... Ciao, P. -- Archives available at http://www.biglist.com/lists/stella/archives/ E-mail UNSUBSCRIBE in the body to stella-request@xxxxxxxxxxx to be removed.