Re: A86: re: moving sprites
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Re: A86: re: moving sprites
Mark Zimmerman wrote:
>
> so if I wanted to do that putsprite routine to start at 25 and end at about
> 50 I would do this:
> stuff:
>
> ld a,24
> ld e,something
> .
> .
> .
> call Putsprite
> ld a,b
> inc a
> cp 50
> jp z,somewhere
> jp stuff
>
> Is this right? I don't want to type it in and compile it if it ends up to
> be wrong.
>
> Jeff Zimmerman
> gramdon@mail2.theonramp.net
>
> ----------
> > From: TreyJazz <joemama@minot.com>
> > To: assembly-86@lists.ticalc.org
> > Subject: Re: A86: re: moving sprites
> > Date: Thursday, December 04, 1997 4:14 PM
> >
> > Mark Zimmerman wrote:
> > >
> > > When using the CP instruction, what is it comparing to?
> > > for example...
> > >
> > > cp 50
> > >
> > > what is it comparing 50 to, which register?
> >
> > to the accumulator, register a
yep thats how to do it, just remember to push and pop the values in and
out of bc to save the coords, also...remember you have to do a little
wait and then put the pic on at the same coords (if you dont use
clrScrn) if you want to erase the sprite
References: