Re: [stella] Crazy Scan Line Jumping Sprite!!!

Subject: Re: [stella] Crazy Scan Line Jumping Sprite!!!
From: Ruffin Bailey <rufbo@xxxxxxxxxxxxx>
Date: Thu, 27 Aug 98 21:14:42 -0000
Eckhard,

Thanks for the help.  I'm printing it out now to digest.  I actually had 
already thought of two of the things you suggested!  Well, I've impressed 
myself anyhow.  I already implemented splitting up the PF data into two 
places so that I didn't have to increment the pointer twice and it hit me 
yesterday that moving the checks to the end of the scan would help 
tremendously.

I had not thought of the non-indirect y-indexing.  Honestly, I don't know 
what it is, and will have to read up.  Neither had it hit me to just 
check for the player every other line since I'm moving it two scans each 
frame the joystick points up or down.  Thanks much!  This will free up a 
ton of space that I was wondering how to coax out of my code.

>P.S. Some days ago I sent you a modyfied version of the DASM source
>code, which I thought might work with your C-compiler on the MAC. Did
>you get it or did the internet eat it?

Ha!  ;^)  Nope, the internet didn't eat it, but it did eat your email 
address!

>   ----- The following addresses had permanent fatal errors -----
><Eckhard_Stolberg@xxxxxxxxxxxxxxxxxx and then .de but I don't want you 
getting spam from this Stella post being posted on the internet, so I'm 
putting in this crap>

Is this your address?  Thanks for the code.  Let me paste in some of my 
reply...

>My only regret is that I don't have all the compilation 
>tools for MPW right now.  My computer went though some really weird 
>crashes about a month back, and I ended up initializing the HD in a "fit 
>of rage".  ;)  Anyway, one of the things I didn't back-up first was my 
>MPW directory.  I was lucky I'd put up the web page on "How to make 2600 
>games on your Mac" or it woulda taken me a loooong time to start making 
>games again!
>
>But enough blabbering.  I'll start downloading the tools again at my 
>first opportunity.  Sadly it will be a couple of days before I know if it 
>works instead of a few minutes.  I apologize, but will post when I get 
>the results!

Thanks again; I've got lots of work to do!

================================================================
Ruffin Bailey           |  Write Atari 2600 games on your Mac!  
rufbo at bellsouth.net  |  http://members.aol.com/~mactari
================================================================


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