Paul,
As for the 277 scanlines, I had a rogue LDA PF0Data,X on or around line 1198
that was sending the bottom 14/15 lines into 2 lines so that accounts for
the overage to 277, now my code is running in the 264/5 I originally thought
it was. I'll bring that more into line with 262 for when I next post the
code. Thanks for pointing that out, I'd have probably not noticed it for
quite a while.
Now I'll work on my road generation code to get some smooth curves going on!
Cheers,
Adam
----- Original Message -----
From: "2600Prog-AP" <2600@xxxxxxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Wednesday, February 12, 2003 6:59 PM
Subject: Re: [stella] Missile Graphic only on for one line
>
> ----- Original Message -----
> From: "Paul Slocum" <paul-stella@xxxxxxxxxxxxxx>
> >
> > >I was toying with the idea of using the missile sprites to do the left
> and
> > >right kerbs of the road so I can HMOVE it into a curve and modify the
> width
> > >as I go down the screen until the lower portion of the screen where I'd
> > >switch to something possibly like the playfield for the left and right
> kerbs
> > >and a wide player sprite for the car.
> >
> > I don't really understand what you're doing with the RESP0 and RESMP0
but
> > my guess is that it's moving it off screen.
>
> Aha, that would be an issue. Thanks, I'd spent too much time tweaking the
> code and looking at the problem to see what's really going on.
>
> > Also, you're drawing 277 scanlines (you want 262 for NTSC) and it's not
> > really a good idea to modify vcs.h.
>
> I didn't realise I was running over 262 quite so far, I thought I was
closer
> to 264/5 most of the time, looks like I've got my timing really badly
wrong.
> I don't think I've modified vcs.h, but I'll check that out and fix it
before
> I repost my progress.
>
> >
> > -Paul
>
> Thanks again,
>
> Adam
> >
>
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